3.4

.gitignore

@@ -13,4 +13,5 @@
 /.idea
 .idea
 /cache
-*.log
+*.log
+uml

Aria/build.gradle

@@ -16,6 +16,9 @@ android {
       proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
     }
   }
+  lintOptions {
+    abortOnError false
+  }
 }
 
 dependencies {
@@ -23,8 +26,8 @@ dependencies {
   testCompile 'junit:junit:4.12'
   compile 'com.android.support:appcompat-v7:23.1.1'
   compile project(':AriaAnnotations')
-//  compile 'com.arialyy.aria:aria-ftp-plug:1.0.3'
+  compile 'com.arialyy.aria:aria-ftp-plug:1.0.3'
 
-  compile project(':AriaFtpPlug')
+  //  compile project(':AriaFtpPlug')
 }
 apply from: 'bintray-release.gradle'

Aria/src/main/java/com/arialyy/aria/core/Aria.java

@@ -17,15 +17,8 @@
 package com.arialyy.aria.core;
 
 import android.annotation.TargetApi;
-import android.app.Activity;
-import android.app.Application;
-import android.app.Dialog;
-import android.app.DialogFragment;
-import android.app.Fragment;
-import android.app.Service;
 import android.content.Context;
 import android.os.Build;
-import android.widget.PopupWindow;
 import com.arialyy.aria.core.download.DownloadReceiver;
 import com.arialyy.aria.core.upload.UploadReceiver;
 
@@ -51,6 +44,24 @@ import com.arialyy.aria.core.upload.UploadReceiver;
  *        .start();
  *   </code>
  * </pre>
+ *
+ * 如果你需要在【Activity、Service、Application、DialogFragment、Fragment、PopupWindow、Dialog】
+ * 之外的java中使用Aria，那么你应该在Application或Activity初始化的时候调用{@link #init(Context)}对Aria进行初始化
+ * 然后才能使用{@link #download(Object)}、{@link #upload(Object)}
+ *
+ * <pre>
+ *   <code>
+ *       Aria.init(getContext());
+ *
+ *      Aria.download(this)
+ *       .load(URL)     //下载地址，必填
+ *       //文件保存路径，必填
+ *       .setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/test.apk")
+ *       .start();
+ *
+ *   </code>
+ *
+ * </pre>
  */
 @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) public class Aria {
 
@@ -60,52 +71,53 @@ import com.arialyy.aria.core.upload.UploadReceiver;
   /**
    * 初始化下载
    *
-   * @param obj 支持类型有【Activity、Service、Application、DialogFragment、Fragment、PopupWindow、Dialog】
+   * @param context 支持类型有【Activity、Service、Application、DialogFragment、Fragment、PopupWindow、Dialog】
    */
-  public static DownloadReceiver download(Object obj) {
-    return get(obj).download(obj);
+  public static DownloadReceiver download(Context context) {
+    return get(context).download(context);
   }
 
   /**
    * 初始化上传
    *
-   * @param obj 支持类型有【Activity、Service、Application、DialogFragment、Fragment、PopupWindow、Dialog】
+   * @param context 支持类型有【Activity、Service、Application、DialogFragment、Fragment、PopupWindow、Dialog】
+   */
+  public static UploadReceiver upload(Context context) {
+    return get(context).upload(context);
+  }
+
+  /**
+   * 在任意对象中初始化下载，前提是你需要在Application或Activity初始化的时候调用{@link #init(Context)}对Aria进行初始化
+   *
+   * @param obj 任意对象
+   */
+  public static DownloadReceiver download(Object obj) {
+    return AriaManager.getInstance().download(obj);
+  }
+
+  /**
+   * 在任意对象中初始化上传，前提是你需要在Application或Activity初始化的时候调用{@link #init(Context)}对Aria进行初始化
+   *
+   * @param obj 任意对象
    */
   public static UploadReceiver upload(Object obj) {
-    return get(obj).upload(obj);
+    return AriaManager.getInstance().upload(obj);
   }
 
   /**
    * 处理通用事件
-   *
-   * @param obj 支持类型有【Activity、Service、Application、DialogFragment、Fragment、PopupWindow、Dialog】
    */
-  public static AriaManager get(Object obj) {
-    if (obj instanceof Activity || obj instanceof Service || obj instanceof Application) {
-      return AriaManager.getInstance((Context) obj);
-    } else if (obj instanceof DialogFragment) {
-      DialogFragment dialog = (DialogFragment) obj;
-      return AriaManager.getInstance(
-          Build.VERSION.SDK_INT >= Build.VERSION_CODES.M ? dialog.getContext()
-              : dialog.getActivity());
-    } else if (obj instanceof android.support.v4.app.Fragment) {
-      android.support.v4.app.Fragment fragment = (android.support.v4.app.Fragment) obj;
-      return AriaManager.getInstance(
-          Build.VERSION.SDK_INT >= Build.VERSION_CODES.M ? fragment.getContext()
-              : fragment.getActivity());
-    } else if (obj instanceof Fragment) {
-      Fragment fragment = (Fragment) obj;
-      return AriaManager.getInstance(
-          Build.VERSION.SDK_INT >= Build.VERSION_CODES.M ? fragment.getContext()
-              : fragment.getActivity());
-    } else if (obj instanceof PopupWindow) {
-      PopupWindow popupWindow = (PopupWindow) obj;
-      return AriaManager.getInstance(popupWindow.getContentView().getContext());
-    } else if (obj instanceof Dialog) {
-      Dialog dialog = (Dialog) obj;
-      return AriaManager.getInstance(dialog.getContext());
-    } else {
-      throw new IllegalArgumentException("不支持的类型");
-    }
+  public static AriaManager get(Context context) {
+    return AriaManager.getInstance(context);
+  }
+
+  /**
+   * 初始化Aria，如果你需要在【Activity、Service、Application、DialogFragment、Fragment、PopupWindow、Dialog】
+   * 之外的java中使用Aria，那么你应该在Application或Activity初始化的时候调用本方法对Aria进行初始化
+   * 只需要初始化一次就可以
+   * {@link #download(Object)}、{@link #upload(Object)}
+   */
+  public static AriaManager init(Context context) {
+    return AriaManager.getInstance(context);
   }
 }

Aria/src/main/java/com/arialyy/aria/core/AriaManager.java

@@ -20,13 +20,11 @@ import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.Application;
 import android.app.Dialog;
-import android.app.Service;
 import android.content.Context;
 import android.os.Build;
 import android.os.Bundle;
 import android.support.v4.app.DialogFragment;
 import android.support.v4.app.Fragment;
-import android.text.TextUtils;
 import android.widget.PopupWindow;
 import com.arialyy.aria.core.command.ICmd;
 import com.arialyy.aria.core.common.QueueMod;
@@ -41,8 +39,9 @@ import com.arialyy.aria.core.upload.UploadEntity;
 import com.arialyy.aria.core.upload.UploadReceiver;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
 import com.arialyy.aria.orm.DbEntity;
-import com.arialyy.aria.orm.DbUtil;
+import com.arialyy.aria.orm.DelegateWrapper;
 import com.arialyy.aria.util.ALog;
+import com.arialyy.aria.util.AriaCrashHandler;
 import com.arialyy.aria.util.CommonUtil;
 import java.io.File;
 import java.io.IOException;
@@ -75,12 +74,14 @@ import org.xml.sax.SAXException;
   private List<ICmd> mCommands = new ArrayList<>();
   private Configuration.DownloadConfig mDConfig;
   private Configuration.UploadConfig mUConfig;
+  private Configuration.AppConfig mAConfig;
 
   private AriaManager(Context context) {
-    DbUtil.init(context.getApplicationContext());
+    DelegateWrapper.init(context.getApplicationContext());
     APP = context.getApplicationContext();
     regAppLifeCallback(context);
     initConfig();
+    initAria();
   }
 
   public static AriaManager getInstance(Context context) {
@@ -92,34 +93,53 @@ import org.xml.sax.SAXException;
     return INSTANCE;
   }
 
-  public Map<String, AbsReceiver> getReceiver() {
-    return mReceivers;
+  static AriaManager getInstance() {
+    if (INSTANCE == null) {
+      throw new NullPointerException("请在Application或Activity初始化时调用一次Aria.init(context)方法进行初始化操作");
+    }
+    return INSTANCE;
   }
 
-  /**
-   * 设置Aria 日志级别
-   *
-   * @param level {@link ALog#LOG_LEVEL_VERBOSE}
-   */
-  public void setLogLevel(int level) {
-    ALog.LOG_LEVEL = level;
+  private void initAria() {
+    if (mAConfig.getUseAriaCrashHandler()) {
+      Thread.setDefaultUncaughtExceptionHandler(new AriaCrashHandler());
+    }
+    mAConfig.setLogLevel(mAConfig.getLogLevel());
+  }
+
+  public Map<String, AbsReceiver> getReceiver() {
+    return mReceivers;
   }
 
   /**
-   * 设置上传任务的执行队列类型
+   * 设置上传任务的执行队列类型，后续版本会删除该api，请使用：
+   * <pre>
+   *   <code>
+   *     Aria.get(this).getUploadConfig().setQueueMod(mod.tag)
+   *   </code>
+   * </pre>
    *
    * @param mod {@link QueueMod}
+   * @deprecated 后续版本会删除该api
    */
+  @Deprecated
   public AriaManager setUploadQueueMod(QueueMod mod) {
     mUConfig.setQueueMod(mod.tag);
     return this;
   }
 
   /**
-   * 设置下载任务的执行队列类型
+   * 设置下载任务的执行队列类型，后续版本会删除该api，请使用：
+   * <pre>
+   *   <code>
+   *     Aria.get(this).getDownloadConfig().setQueueMod(mod.tag)
+   *   </code>
+   * </pre>
    *
    * @param mod {@link QueueMod}
+   * @deprecated 后续版本会删除该api
    */
+  @Deprecated
   public AriaManager setDownloadQueueMod(QueueMod mod) {
     mDConfig.setQueueMod(mod.tag);
     return this;
@@ -151,6 +171,13 @@ import org.xml.sax.SAXException;
     return mUConfig;
   }
 
+  /**
+   * 获取APP配置
+   */
+  public Configuration.AppConfig getAppConfig() {
+    return mAConfig;
+  }
+
   /**
    * 设置命令
    */
@@ -201,22 +228,6 @@ import org.xml.sax.SAXException;
     return (receiver instanceof UploadReceiver) ? (UploadReceiver) receiver : null;
   }
 
-  /**
-   * 获取Aria下载错误日志
-   *
-   * @return 如果错误日志不存在则返回空，否则返回错误日志列表
-   */
-  public List<ErrorEntity> getErrorLog() {
-    return DbEntity.findAllData(ErrorEntity.class);
-  }
-
-  /**
-   * 清楚错误日志
-   */
-  public void cleanLog() {
-    DbEntity.clean(ErrorEntity.class);
-  }
-
   /**
    * 删除任务记录
    *
@@ -244,6 +255,7 @@ import org.xml.sax.SAXException;
     final String key = getKey(isDownload, obj);
     IReceiver receiver = mReceivers.get(key);
     boolean needRmReceiver = false;
+    // 监控Dialog、fragment、popupWindow的生命周期
     final WidgetLiftManager widgetLiftManager = new WidgetLiftManager();
     if (obj instanceof Dialog) {
       needRmReceiver = widgetLiftManager.handleDialogLift((Dialog) obj);
@@ -270,7 +282,8 @@ import org.xml.sax.SAXException;
   /**
    * 不允许在"onDestroy"、"finish"、"onStop"这三个方法中添加注册器
    */
-  private AbsReceiver checkTarget(String key, AbsReceiver receiver, Object obj, boolean needRmReceiver) {
+  private AbsReceiver checkTarget(String key, AbsReceiver receiver, Object obj,
+      boolean needRmReceiver) {
     StackTraceElement[] stack = Thread.currentThread().getStackTrace();
     int i = 0;
     for (StackTraceElement e : stack) {
@@ -288,8 +301,8 @@ import org.xml.sax.SAXException;
             "onStop");
 
     if (isDestroyed) {
-      ALog.w(TAG,
-          "请不要在Activity或Fragment的onDestroy、finish、onStop等方法中调用Aria，Aria的unRegister会在Activity页面销毁时自动执行");
+      ALog.e(TAG,
+          "请不要在Activity或Fragment的onDestroy、finish、onStop等方法中注册Aria，Aria的unRegister会在Activity页面销毁时自动执行");
     }
 
     if (obj instanceof Activity && isDestroyed) {
@@ -309,45 +322,33 @@ import org.xml.sax.SAXException;
    */
   private String getKey(boolean isDownload, Object obj) {
     String clsName = obj.getClass().getName();
-    String key = "";
-    if (!(obj instanceof Activity)) {
-      if (obj instanceof DialogFragment) {
-        key = clsName + "_" + ((DialogFragment) obj).getActivity().getClass().getName();
-      } else if (obj instanceof android.app.DialogFragment) {
-        key = clsName + "_" + ((android.app.DialogFragment) obj).getActivity().getClass().getName();
-      } else if (obj instanceof android.support.v4.app.Fragment) {
-        key = clsName + "_" + ((Fragment) obj).getActivity().getClass().getName();
-      } else if (obj instanceof android.app.Fragment) {
-        key = clsName + "_" + ((android.app.Fragment) obj).getActivity().getClass().getName();
-      } else if (obj instanceof Dialog) {
-        Activity activity = ((Dialog) obj).getOwnerActivity();
-        if (activity != null) {
-          key = clsName + "_" + activity.getClass().getName();
-        } else {
-          key = clsName;
-        }
-      } else if (obj instanceof PopupWindow) {
-        Context context = ((PopupWindow) obj).getContentView().getContext();
-        if (context instanceof Activity) {
-          key = clsName + "_" + context.getClass().getName();
-        } else {
-          key = clsName;
-        }
-      } else if (obj instanceof Service) {
+    String key;
+    if (obj instanceof DialogFragment) {
+      key = clsName + "_" + ((DialogFragment) obj).getActivity().getClass().getName();
+    } else if (obj instanceof android.app.DialogFragment) {
+      key = clsName + "_" + ((android.app.DialogFragment) obj).getActivity().getClass().getName();
+    } else if (obj instanceof android.support.v4.app.Fragment) {
+      key = clsName + "_" + ((Fragment) obj).getActivity().getClass().getName();
+    } else if (obj instanceof android.app.Fragment) {
+      key = clsName + "_" + ((android.app.Fragment) obj).getActivity().getClass().getName();
+    } else if (obj instanceof Dialog) {
+      Activity activity = ((Dialog) obj).getOwnerActivity();
+      if (activity != null) {
+        key = clsName + "_" + activity.getClass().getName();
+      } else {
         key = clsName;
-      } else if (obj instanceof Application) {
+      }
+    } else if (obj instanceof PopupWindow) {
+      Context context = ((PopupWindow) obj).getContentView().getContext();
+      if (context instanceof Activity) {
+        key = clsName + "_" + context.getClass().getName();
+      } else {
         key = clsName;
       }
-    }
-    if (obj instanceof Activity || obj instanceof Service) {
-      key = clsName;
-    } else if (obj instanceof Application) {
+    } else {
       key = clsName;
     }
-    if (TextUtils.isEmpty(key)) {
-      throw new IllegalArgumentException("未知类型");
-    }
-    key += isDownload ? DOWNLOAD : UPLOAD;
+    key += (isDownload ? DOWNLOAD : UPLOAD) + obj.hashCode();
     return key;
   }
 
@@ -377,6 +378,7 @@ import org.xml.sax.SAXException;
     }
     mDConfig = Configuration.DownloadConfig.getInstance();
     mUConfig = Configuration.UploadConfig.getInstance();
+    mAConfig = Configuration.AppConfig.getInstance();
     if (tempDir.exists()) {
       File newDir = new File(APP.getFilesDir().getPath() + DOWNLOAD_TEMP_DIR);
       newDir.mkdirs();
@@ -406,8 +408,8 @@ import org.xml.sax.SAXException;
   private void regAppLifeCallback(Context context) {
     Context app = context.getApplicationContext();
     if (app instanceof Application) {
-      LifeCallback mLifeCallback = new LifeCallback();
-      ((Application) app).registerActivityLifecycleCallbacks(mLifeCallback);
+      LifeCallback lifeCallback = new LifeCallback();
+      ((Application) app).registerActivityLifecycleCallbacks(lifeCallback);
     }
   }
 
@@ -478,6 +480,7 @@ import org.xml.sax.SAXException;
 
     @Override public void onActivityDestroyed(Activity activity) {
       destroySchedulerListener(activity);
+      // TODO: 2018/4/11 维护一个activity堆栈，应用被kill，activity会回调onDestroy方法，需要考虑server后台情况
     }
   }
 }

Aria/src/main/java/com/arialyy/aria/core/ConfigHelper.java

@@ -28,9 +28,10 @@ import org.xml.sax.helpers.DefaultHandler;
 class ConfigHelper extends DefaultHandler {
   private final String TAG = "ConfigHelper";
 
-  private boolean isDownloadConfig = false, isUploadConfig;
+  private boolean isDownloadConfig = false, isUploadConfig = false, isAppConfig = false;
   private Configuration.DownloadConfig mDownloadConfig = Configuration.DownloadConfig.getInstance();
   private Configuration.UploadConfig mUploadConfig = Configuration.UploadConfig.getInstance();
+  private Configuration.AppConfig mAppConfig = Configuration.AppConfig.getInstance();
 
   @Override public void startDocument() throws SAXException {
     super.startDocument();
@@ -43,10 +44,17 @@ class ConfigHelper extends DefaultHandler {
     if (qName.equals("download")) {
       isDownloadConfig = true;
       isUploadConfig = false;
+      isAppConfig = false;
     } else if (qName.equals("upload")) {
       isUploadConfig = true;
       isDownloadConfig = false;
+      isAppConfig = false;
+    } else if (qName.equals("app")) {
+      isUploadConfig = false;
+      isDownloadConfig = false;
+      isAppConfig = true;
     }
+
     if (isDownloadConfig || isUploadConfig) {
 
       String value = attributes.getValue("value");
@@ -90,17 +98,46 @@ class ConfigHelper extends DefaultHandler {
           loadUpdateInterval(value);
           break;
       }
+    } else if (isAppConfig) {
+      String value = attributes.getValue("value");
+      switch (qName) {
+        case "useAriaCrashHandler":
+          loadUseAriaCrashHandler(value);
+          break;
+        case "logLevel":
+          loadLogLevel(value);
+          break;
+      }
     }
   }
 
-  private void loadUpdateInterval(String value) {
-    long temp = 1000;
-    if (!TextUtils.isEmpty(value)) {
-      temp = Long.parseLong(value);
-      if (temp <= 0) {
-        temp = 1000;
-      }
+  private void loadLogLevel(String value) {
+    int level;
+    try {
+      level = Integer.parseInt(value);
+    } catch (NumberFormatException e) {
+      e.printStackTrace();
+      level = ALog.LOG_LEVEL_VERBOSE;
+    }
+    if (level < ALog.LOG_LEVEL_VERBOSE || level > ALog.LOG_CLOSE) {
+      ALog.w(TAG, "level【" + level + "】错误");
+      mAppConfig.logLevel = ALog.LOG_LEVEL_VERBOSE;
+    } else {
+      mAppConfig.logLevel = level;
+    }
+  }
+
+  private void loadUseAriaCrashHandler(String value) {
+    if (checkBoolean(value)) {
+      mAppConfig.useAriaCrashHandler = Boolean.parseBoolean(value);
+    } else {
+      ALog.w(TAG, "useAriaCrashHandler【" + value + "】错误");
+      mAppConfig.useAriaCrashHandler = true;
     }
+  }
+
+  private void loadUpdateInterval(String value) {
+    long temp = checkLong(value) ? Long.parseLong(value) : 1000;
     if (isDownloadConfig) {
       mDownloadConfig.updateInterval = temp;
     }
@@ -124,17 +161,18 @@ class ConfigHelper extends DefaultHandler {
   }
 
   private void loadMaxSpeed(String value) {
-    double maxSpeed = 0.0;
-    if (!TextUtils.isEmpty(value)) {
-      maxSpeed = Double.parseDouble(value);
-    }
+    int maxSpeed = checkInt(value) ? Integer.parseInt(value) : 0;
     if (isDownloadConfig) {
-      mDownloadConfig.msxSpeed = maxSpeed;
+      mDownloadConfig.maxSpeed = maxSpeed;
     }
   }
 
   private void loadConvertSpeed(String value) {
-    boolean open = Boolean.parseBoolean(value);
+    boolean open = true;
+    if (checkBoolean(value)) {
+      open = Boolean.parseBoolean(value);
+    }
+
     if (isDownloadConfig) {
       mDownloadConfig.isConvertSpeed = open;
     }
@@ -144,10 +182,7 @@ class ConfigHelper extends DefaultHandler {
   }
 
   private void loadReTryInterval(String value) {
-    int time = 2 * 1000;
-    if (!TextUtils.isEmpty(value)) {
-      time = Integer.parseInt(value);
-    }
+    int time = checkInt(value) ? Integer.parseInt(value) : 2 * 1000;
 
     if (time < 2 * 1000) {
       time = 2 * 1000;
@@ -166,10 +201,7 @@ class ConfigHelper extends DefaultHandler {
   }
 
   private void loadBuffSize(String value) {
-    int buffSize = 8192;
-    if (!TextUtils.isEmpty(value)) {
-      buffSize = Integer.parseInt(value);
-    }
+    int buffSize = checkInt(value) ? Integer.parseInt(value) : 8192;
 
     if (buffSize < 2048) {
       buffSize = 2048;
@@ -181,10 +213,7 @@ class ConfigHelper extends DefaultHandler {
   }
 
   private void loadIOTimeout(String value) {
-    int time = 10 * 1000;
-    if (!TextUtils.isEmpty(value)) {
-      time = Integer.parseInt(value);
-    }
+    int time = checkInt(value) ? Integer.parseInt(value) : 10 * 1000;
 
     if (time < 10 * 1000) {
       time = 10 * 1000;
@@ -196,10 +225,7 @@ class ConfigHelper extends DefaultHandler {
   }
 
   private void loadConnectTime(String value) {
-    int time = 5 * 1000;
-    if (!TextUtils.isEmpty(value)) {
-      time = Integer.parseInt(value);
-    }
+    int time = checkInt(value) ? Integer.parseInt(value) : 5 * 1000;
 
     if (isDownloadConfig) {
       mDownloadConfig.connectTimeOut = time;
@@ -210,10 +236,7 @@ class ConfigHelper extends DefaultHandler {
   }
 
   private void loadReTry(String value) {
-    int num = 0;
-    if (!TextUtils.isEmpty(value)) {
-      num = Integer.parseInt(value);
-    }
+    int num = checkInt(value) ? Integer.parseInt(value) : 0;
 
     if (isDownloadConfig) {
       mDownloadConfig.reTryNum = num;
@@ -224,10 +247,7 @@ class ConfigHelper extends DefaultHandler {
   }
 
   private void loadMaxQueue(String value) {
-    int num = 2;
-    if (!TextUtils.isEmpty(value)) {
-      num = Integer.parseInt(value);
-    }
+    int num = checkInt(value) ? Integer.parseInt(value) : 2;
     if (num < 1) {
       ALog.w(TAG, "任务队列数不能小于 1");
       num = 2;
@@ -241,10 +261,7 @@ class ConfigHelper extends DefaultHandler {
   }
 
   private void loadThreadNum(String value) {
-    int num = 3;
-    if (!TextUtils.isEmpty(value)) {
-      num = Integer.parseInt(value);
-    }
+    int num = checkInt(value) ? Integer.parseInt(value) : 3;
     if (num < 1) {
       ALog.e(TAG, "下载线程数不能小于 1");
       num = 1;
@@ -254,6 +271,52 @@ class ConfigHelper extends DefaultHandler {
     }
   }
 
+  /**
+   * 检查是否int值是否合法
+   *
+   * @return {@code true} 合法
+   */
+  private boolean checkInt(String value) {
+    if (TextUtils.isEmpty(value)) {
+      return false;
+    }
+    try {
+      Integer l = Integer.parseInt(value);
+      return true;
+    } catch (NumberFormatException e) {
+      e.printStackTrace();
+      return false;
+    }
+  }
+
+  /**
+   * 检查是否long值是否合法
+   *
+   * @return {@code true} 合法
+   */
+  private boolean checkLong(String value) {
+    if (TextUtils.isEmpty(value)) {
+      return false;
+    }
+    try {
+      Long l = Long.parseLong(value);
+      return true;
+    } catch (NumberFormatException e) {
+      e.printStackTrace();
+      return false;
+    }
+  }
+
+  /**
+   * 检查boolean值是否合法
+   *
+   * @return {@code true} 合法
+   */
+  private boolean checkBoolean(String value) {
+    return !TextUtils.isEmpty(value) && (value.equalsIgnoreCase("true") || value.equalsIgnoreCase(
+        "false"));
+  }
+
   @Override public void characters(char[] ch, int start, int length) throws SAXException {
     super.characters(ch, start, length);
   }
@@ -266,5 +329,6 @@ class ConfigHelper extends DefaultHandler {
     super.endDocument();
     mDownloadConfig.saveAll();
     mUploadConfig.saveAll();
+    mAppConfig.saveAll();
   }
 }

Aria/src/main/java/com/arialyy/aria/core/ErrorEntity.java

@@ -1,77 +0,0 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.arialyy.aria.core;
-
-import com.arialyy.aria.orm.DbEntity;
-
-/**
- * Created by Aria.Lao on 2017/8/29.
- * 错误实体
- */
-public class ErrorEntity extends DbEntity {
-
-  /**
-   * 插入时间
-   */
-  public long insertTime;
-
-  /**
-   * 错误信息
-   */
-  public String err;
-
-  /**
-   * 任务名
-   */
-  public String taskName;
-
-  /**
-   *任务类型
-   */
-  public String taskType;
-
-  /**
-   * 提示
-   */
-  public String msg;
-
-  /**
-   * 任务key
-   */
-  public String key;
-
-  @Override public String toString() {
-    return "ErrorEntity{"
-        + "insertTime="
-        + insertTime
-        + ", err='"
-        + err
-        + '\''
-        + ", taskName='"
-        + taskName
-        + '\''
-        + ", taskType='"
-        + taskType
-        + '\''
-        + ", msg='"
-        + msg
-        + '\''
-        + ", key='"
-        + key
-        + '\''
-        + '}';
-  }
-}

Aria/src/main/java/com/arialyy/aria/core/FtpUrlEntity.java

@@ -24,7 +24,10 @@ import java.net.InetAddress;
  * ftp url 信息链接实体
  */
 public class FtpUrlEntity implements Cloneable {
-
+  /**
+   * 如：ftp://127.0.0.1:21/download/AriaPrj.zip
+   * remotePath便是：download/AriaPrj.zip
+   */
   public String remotePath;
 
   public String account;
@@ -35,12 +38,12 @@ public class FtpUrlEntity implements Cloneable {
   public String url;
 
   /**
-   * ftp协议
+   * ftp协议：ftp
    */
   public String protocol;
 
   /**
-   * 用户
+   * 登录的用户名
    */
   public String user;
   /**

Aria/src/main/java/com/arialyy/aria/core/command/normal/CancelAllCmd.java

@@ -16,13 +16,7 @@
 
 package com.arialyy.aria.core.command.normal;
 
-import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
-import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
-import com.arialyy.aria.core.upload.UploadTaskEntity;
-import com.arialyy.aria.orm.DbEntity;
-import com.arialyy.aria.util.CommonUtil;
-import java.util.List;
 
 /**
  * Created by AriaL on 2017/6/27.
@@ -44,46 +38,5 @@ public class CancelAllCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
 
   @Override public void executeCmd() {
     removeAll();
-    if (mTaskEntity instanceof DownloadTaskEntity
-        || mTaskEntity instanceof DownloadGroupTaskEntity) {
-      handleDownloadRemove();
-      handleDownloadGroupRemove();
-    } else if (mTaskEntity instanceof UploadTaskEntity) {
-      handleUploadRemove();
-      handleUploadRemove();
-    }
-  }
-
-  /**
-   * 处理下载任务组的删除操作
-   */
-  private void handleDownloadGroupRemove() {
-    List<DownloadGroupTaskEntity> allEntity = DbEntity.findAllData(DownloadGroupTaskEntity.class);
-    if (allEntity == null || allEntity.size() == 0) return;
-    for (DownloadGroupTaskEntity entity : allEntity) {
-      CommonUtil.delDownloadGroupTaskConfig(removeFile, entity);
-    }
-  }
-
-  /**
-   * 处理上传的删除
-   */
-  private void handleUploadRemove() {
-    List<UploadTaskEntity> allEntity = DbEntity.findAllData(UploadTaskEntity.class);
-    if (allEntity == null || allEntity.size() == 0) return;
-    for (UploadTaskEntity entity : allEntity) {
-      CommonUtil.delUploadTaskConfig(removeFile, entity);
-    }
-  }
-
-  /**
-   * 处理下载的删除
-   */
-  private void handleDownloadRemove() {
-    List<DownloadTaskEntity> allEntity = DbEntity.findAllData(DownloadTaskEntity.class);
-    if (allEntity == null || allEntity.size() == 0) return;
-    for (DownloadTaskEntity entity : allEntity) {
-      CommonUtil.delDownloadTaskConfig(removeFile, entity);
-    }
   }
 }

Aria/src/main/java/com/arialyy/aria/core/command/normal/CancelCmd.java

@@ -42,7 +42,7 @@ public class CancelCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
       task = createTask();
     }
     if (task != null) {
-      mTaskEntity.removeFile = removeFile;
+      mTaskEntity.setRemoveFile(removeFile);
       if (!TextUtils.isEmpty(mTargetName)) {
         task.setTargetName(mTargetName);
       }

Aria/src/main/java/com/arialyy/aria/core/command/normal/ResumeAllCmd.java

@@ -3,12 +3,15 @@ package com.arialyy.aria.core.command.normal;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.core.download.wrapper.DGTEWrapper;
+import com.arialyy.aria.core.download.wrapper.DTEWrapper;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.core.queue.DownloadGroupTaskQueue;
 import com.arialyy.aria.core.queue.DownloadTaskQueue;
 import com.arialyy.aria.core.queue.UploadTaskQueue;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
+import com.arialyy.aria.core.upload.wrapper.UTEWrapper;
 import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
@@ -53,29 +56,32 @@ final class ResumeAllCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
    * @param type {@code 1}单任务下载任务；{@code 2}任务组下载任务；{@code 3} 单任务上传任务
    */
   private List<AbsTaskEntity> findTaskData(int type) {
+    // TODO: 2018/4/20 需要测试
     List<AbsTaskEntity> tempList = new ArrayList<>();
-    switch (type) {
-      case 1:
-        List<DownloadTaskEntity> dTaskEntity =
-            DbEntity.findDatas(DownloadTaskEntity.class, "isGroupTask=?", "false");
-        if (dTaskEntity != null && !dTaskEntity.isEmpty()) {
-          tempList.addAll(dTaskEntity);
+    if (type == 1) {
+      List<DTEWrapper> wrappers = DbEntity.findRelationData(DTEWrapper.class,
+          "DownloadTaskEntity.isGroupTask=? and DownloadTaskEntity.state!=?", "false", "1");
+      if (wrappers != null && !wrappers.isEmpty()) {
+        for (DTEWrapper w : wrappers) {
+          tempList.add(w.taskEntity);
         }
-        break;
-      case 2:
-        List<DownloadGroupTaskEntity> groupTask =
-            DbEntity.findAllData(DownloadGroupTaskEntity.class);
-        if (groupTask != null && !groupTask.isEmpty()) {
-          tempList.addAll(groupTask);
+      }
+    } else if (type == 2) {
+      List<DGTEWrapper> wrappers =
+          DbEntity.findRelationData(DGTEWrapper.class, "DownloadGroupTaskEntity.state!=?", "1");
+      if (wrappers != null && !wrappers.isEmpty()) {
+        for (DGTEWrapper w : wrappers) {
+          tempList.add(w.taskEntity);
         }
-        break;
-      case 3:
-        List<UploadTaskEntity> uTaskEntity =
-            DbEntity.findDatas(UploadTaskEntity.class, "isGroupTask=?", "false");
-        if (uTaskEntity != null && !uTaskEntity.isEmpty()) {
-          tempList.addAll(uTaskEntity);
+      }
+    } else if (type == 3) {
+      List<UTEWrapper> wrappers =
+          DbEntity.findRelationData(UTEWrapper.class, "UploadTaskEntity.state!=?", "1");
+      if (wrappers != null && !wrappers.isEmpty()) {
+        for (UTEWrapper w : wrappers) {
+          tempList.add(w.taskEntity);
         }
-        break;
+      }
     }
     return tempList;
   }
@@ -123,8 +129,8 @@ final class ResumeAllCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
    */
   private void resumeEntity(AbsTaskEntity te) {
     if (te instanceof DownloadTaskEntity) {
-      if (te.requestType == AbsTaskEntity.D_FTP || te.requestType == AbsTaskEntity.U_FTP) {
-        te.urlEntity = CommonUtil.getFtpUrlInfo(te.getEntity().getKey());
+      if (te.getRequestType() == AbsTaskEntity.D_FTP || te.getRequestType() == AbsTaskEntity.U_FTP) {
+        te.setUrlEntity(CommonUtil.getFtpUrlInfo(te.getEntity().getKey()));
       }
       mQueue = DownloadTaskQueue.getInstance();
     } else if (te instanceof UploadTaskEntity) {

Aria/src/main/java/com/arialyy/aria/core/command/normal/StartCmd.java

@@ -21,6 +21,8 @@ import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.common.QueueMod;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.core.download.wrapper.DGTEWrapper;
+import com.arialyy.aria.core.download.wrapper.DTEWrapper;
 import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.inf.IEntity;
@@ -28,6 +30,7 @@ import com.arialyy.aria.core.queue.DownloadGroupTaskQueue;
 import com.arialyy.aria.core.queue.DownloadTaskQueue;
 import com.arialyy.aria.core.queue.UploadTaskQueue;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
+import com.arialyy.aria.core.upload.wrapper.UTEWrapper;
 import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
@@ -53,6 +56,7 @@ class StartCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
       return;
     }
     String mod;
+    // TODO: 2018/4/12 配置文件不存在，是否会出现wait获取不到 ？
     int maxTaskNum = mQueue.getMaxTaskNum();
     AriaManager manager = AriaManager.getInstance(AriaManager.APP);
     if (isDownloadCmd) {
@@ -77,7 +81,6 @@ class StartCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
             || task.getState() == IEntity.STATE_OTHER
             || task.getState() == IEntity.STATE_POST_PRE
             || task.getState() == IEntity.STATE_COMPLETE) {
-          //startTask();
           resumeTask();
         } else {
           sendWaitState();
@@ -85,7 +88,6 @@ class StartCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
       }
     } else {
       if (!task.isRunning()) {
-        //startTask();
         resumeTask();
       }
     }
@@ -113,29 +115,32 @@ class StartCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
     }
 
     private List<AbsTaskEntity> findWaitData(int type) {
+      // TODO: 2018/4/20 需要测试
       List<AbsTaskEntity> waitList = new ArrayList<>();
-      switch (type) {
-        case 1:
-          List<DownloadTaskEntity> dEntity =
-              DbEntity.findDatas(DownloadTaskEntity.class, "groupName=? and state=?", "", "3");
-          if (dEntity != null && !dEntity.isEmpty()) {
-            waitList.addAll(dEntity);
+      if (type == 1) {
+        List<DTEWrapper> wrappers = DbEntity.findRelationData(DTEWrapper.class,
+            "DownloadTaskEntity.isGroupTask=? and DownloadTaskEntity.state=?", "false", "3");
+        if (wrappers != null && !wrappers.isEmpty()) {
+          for (DTEWrapper w : wrappers) {
+            waitList.add(w.taskEntity);
           }
-          break;
-        case 2:
-          List<DownloadGroupTaskEntity> dgEntity =
-              DbEntity.findDatas(DownloadGroupTaskEntity.class, "state=?", "3");
-          if (dgEntity != null && !dgEntity.isEmpty()) {
-            waitList.addAll(dgEntity);
+        }
+      } else if (type == 2) {
+        List<DGTEWrapper> wrappers =
+            DbEntity.findRelationData(DGTEWrapper.class, "DownloadGroupTaskEntity.state=?", "3");
+        if (wrappers != null && !wrappers.isEmpty()) {
+          for (DGTEWrapper w : wrappers) {
+            waitList.add(w.taskEntity);
           }
-          break;
-        case 3:
-          List<UploadTaskEntity> uEntity =
-              DbEntity.findDatas(UploadTaskEntity.class, "state=?", "3");
-          if (uEntity != null && !uEntity.isEmpty()) {
-            waitList.addAll(uEntity);
+        }
+      } else if (type == 3) {
+        List<UTEWrapper> wrappers = DbEntity.findRelationData(UTEWrapper.class,
+            "UploadTaskEntity.state=?", "3");
+        if (wrappers != null && !wrappers.isEmpty()) {
+          for (UTEWrapper w : wrappers) {
+            waitList.add(w.taskEntity);
           }
-          break;
+        }
       }
       return waitList;
     }
@@ -146,8 +151,8 @@ class StartCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
         AbsTask task = getTask(te.getEntity());
         if (task != null) continue;
         if (te instanceof DownloadTaskEntity) {
-          if (te.requestType == AbsTaskEntity.D_FTP || te.requestType == AbsTaskEntity.U_FTP) {
-            te.urlEntity = CommonUtil.getFtpUrlInfo(te.getEntity().getKey());
+          if (te.getRequestType() == AbsTaskEntity.D_FTP || te.getRequestType() == AbsTaskEntity.U_FTP) {
+            te.setUrlEntity(CommonUtil.getFtpUrlInfo(te.getEntity().getKey()));
           }
           mQueue = DownloadTaskQueue.getInstance();
         } else if (te instanceof UploadTaskEntity) {

Aria/src/main/java/com/arialyy/aria/core/common/AbsFileer.java

@@ -18,11 +18,13 @@ package com.arialyy.aria.core.common;
 import android.content.Context;
 import android.util.SparseArray;
 import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.AbsNormalEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.inf.IDownloadListener;
 import com.arialyy.aria.core.inf.IEventListener;
+import com.arialyy.aria.core.upload.UploadEntity;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
@@ -36,12 +38,13 @@ import java.util.concurrent.Executors;
 
 /**
  * Created by AriaL on 2017/7/1.
- * 文件下载器
+ * 任务处理器
  */
 public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY extends AbsTaskEntity<ENTITY>>
     implements Runnable, IUtil {
   public static final String STATE = "_state_";
   public static final String RECORD = "_record_";
+  protected static final long SUB_LEN = 1024 * 1024;
 
   private final String TAG = "AbsFileer";
   protected IEventListener mListener;
@@ -49,7 +52,7 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
   protected ENTITY mEntity;
   protected File mConfigFile;//信息配置文件
   protected Context mContext;
-  protected File mTempFile; //下载的文件
+  protected File mTempFile; //文件
   protected boolean isNewTask = true;
   protected StateConstance mConstance;
   private ExecutorService mFixedThreadPool;
@@ -64,7 +67,6 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
   /**
    * 小于1m的文件不启用多线程
    */
-  private static final long SUB_LEN = 1024 * 1024;
   private Timer mTimer;
   private long mUpdateInterval = 1000;
 
@@ -77,7 +79,7 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
   }
 
   public void setNewTask(boolean newTask) {
-    mTaskEntity.isNewTask = newTask;
+    mTaskEntity.setNewTask(newTask);
   }
 
   @Override public void setMaxSpeed(double maxSpeed) {
@@ -89,10 +91,6 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
     }
   }
 
-  public StateConstance getConstance() {
-    return mConstance;
-  }
-
   @Override public void run() {
     if (mConstance.isRunning) {
       return;
@@ -101,7 +99,7 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
   }
 
   /**
-   * 开始下载流程
+   * 开始流程
    */
   private void startFlow() {
     mConstance.resetState();
@@ -109,13 +107,13 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
     if (mListener instanceof IDownloadListener) {
       ((IDownloadListener) mListener).onPostPre(mEntity.getFileSize());
     }
-    if (!mTaskEntity.isSupportBP) {
+    if (!mTaskEntity.isSupportBP()) {
       mTotalThreadNum = 1;
       mStartThreadNum = 1;
       mConstance.THREAD_NUM = mTotalThreadNum;
       handleNoSupportBP();
     } else {
-      mTotalThreadNum = isNewTask ? (getNewTaskThreadNum()) : mStartThreadNum;
+      mTotalThreadNum = isNewTask ? (mStartThreadNum = setNewTaskThreadNum()) : mStartThreadNum;
       mConstance.THREAD_NUM = mTotalThreadNum;
       handleBreakpoint();
     }
@@ -125,13 +123,7 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
   /**
    * 设置新任务的最大线程数
    */
-  protected int getNewTaskThreadNum() {
-    final int num =
-        mEntity.getFileSize() <= SUB_LEN || mTaskEntity.requestType == AbsTaskEntity.D_FTP_DIR ? 1
-            : AriaManager.getInstance(mContext).getDownloadConfig().getThreadNum();
-    mStartThreadNum = num;
-    return num;
-  }
+  protected abstract int setNewTaskThreadNum();
 
   /**
    * 启动进度获取定时器
@@ -165,13 +157,12 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
    *
    * @param interval 单位毫秒，不能小于0
    */
-  protected long setUpdateInterval(long interval) {
+  protected void setUpdateInterval(long interval) {
     if (interval < 0) {
       ALog.w(TAG, "更新间隔不能小于0，默认为1000毫秒");
-      return 1000;
+      return;
     }
     mUpdateInterval = interval;
-    return interval;
   }
 
   @Override public long getFileSize() {
@@ -203,9 +194,11 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
       }
     }
     if (mTaskEntity instanceof DownloadTaskEntity) {
-      CommonUtil.delDownloadTaskConfig(mTaskEntity.removeFile, (DownloadTaskEntity) mTaskEntity);
+      CommonUtil.delDownloadTaskConfig(mTaskEntity.isRemoveFile(),
+          (DownloadEntity) mTaskEntity.getEntity());
     } else if (mTaskEntity instanceof UploadTaskEntity) {
-      CommonUtil.delUploadTaskConfig(mTaskEntity.removeFile, (UploadTaskEntity) mTaskEntity);
+      CommonUtil.delUploadTaskConfig(mTaskEntity.isRemoveFile(),
+          (UploadEntity) mTaskEntity.getEntity());
     }
   }
 
@@ -236,13 +229,6 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
     start();
   }
 
-  /**
-   * 返回该下载器的
-   */
-  public IEventListener getListener() {
-    return mListener;
-  }
-
   /**
    * 检查任务是否是新任务，新任务条件：
    * 1、文件不存在
@@ -296,7 +282,7 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
   /**
    * 恢复记录地址
    *
-   * @return true 表示下载完成
+   * @return {@code true}任务已完成
    */
   private boolean resumeRecordLocation(int i, long startL, long endL) {
     mConstance.CURRENT_LOCATION += endL - startL;
@@ -332,7 +318,7 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
     config.START_LOCATION = startL;
     config.END_LOCATION = endL;
     config.CONFIG_FILE_PATH = mConfigFile.getPath();
-    config.SUPPORT_BP = mTaskEntity.isSupportBP;
+    config.SUPPORT_BP = mTaskEntity.isSupportBP();
     config.TASK_ENTITY = mTaskEntity;
     return selectThreadTask(config);
   }
@@ -349,8 +335,8 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
       recordL[i] = -1;
     }
     int rl = 0;
-    if (isNewTask) {
-      handleNewTask();
+    if (isNewTask && !handleNewTask()) {
+      return;
     }
     for (int i = 0; i < mTotalThreadNum; i++) {
       long startL = i * blockSize, endL = (i + 1) * blockSize;
@@ -404,13 +390,15 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
         mFixedThreadPool.execute(task);
       }
     }
-    mTaskEntity.isNewTask = false;
+    mTaskEntity.setNewTask(false);
   }
 
   /**
    * 处理新任务
+   *
+   * @return {@code true}创建新任务失败
    */
-  protected abstract void handleNewTask();
+  protected abstract boolean handleNewTask();
 
   /**
    * 处理不支持断点的下载
@@ -424,7 +412,7 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
     config.START_LOCATION = 0;
     config.END_LOCATION = config.FILE_SIZE;
     config.CONFIG_FILE_PATH = mConfigFile.getPath();
-    config.SUPPORT_BP = mTaskEntity.isSupportBP;
+    config.SUPPORT_BP = mTaskEntity.isSupportBP();
     config.TASK_ENTITY = mTaskEntity;
     AbsThreadTask task = selectThreadTask(config);
     if (task == null) return;

Aria/src/main/java/com/arialyy/aria/core/common/AbsFtpInfoThread.java

@@ -82,7 +82,7 @@ public abstract class AbsFtpInfoThread<ENTITY extends AbsEntity, TASK_ENTITY ext
       ALog.i(TAG, s);
       boolean isExist = files.length != 0;
       if (!isExist && !isUpload) {
-        failDownload("文件不存在，任务链接【" + mTaskEntity.urlEntity.url + "】，remotePath：" + remotePath,
+        failDownload("文件不存在，任务链接【" + mTaskEntity.getUrlEntity().url + "】，remotePath：" + remotePath,
             false);
         int i = remotePath.lastIndexOf(File.separator);
         FTPFile[] files1;
@@ -111,14 +111,14 @@ public abstract class AbsFtpInfoThread<ENTITY extends AbsEntity, TASK_ENTITY ext
       if (!FTPReply.isPositiveCompletion(reply)) {
         if (isUpload) {
           //服务器上没有该文件路径，表示该任务为新的上传任务
-          mTaskEntity.isNewTask = true;
+          mTaskEntity.setNewTask(true);
         } else {
           client.disconnect();
           failDownload("获取文件信息错误，错误码为：" + reply + "，msg:" + client.getReplyString(), true);
           return;
         }
       }
-      mTaskEntity.code = reply;
+      mTaskEntity.setCode(reply);
       if (mSize != 0 && !isUpload) {
         mEntity.setFileSize(mSize);
       }
@@ -164,15 +164,16 @@ public abstract class AbsFtpInfoThread<ENTITY extends AbsEntity, TASK_ENTITY ext
    */
   private FTPClient createFtpClient() {
     FTPClient client = null;
-    final FtpUrlEntity urlEntity = mTaskEntity.urlEntity;
+    final FtpUrlEntity urlEntity = mTaskEntity.getUrlEntity();
     try {
       Pattern p = Pattern.compile(Regular.REG_IP_V4);
       Matcher m = p.matcher(urlEntity.hostName);
       if (m.find() && m.groupCount() > 0) {
         client = new FTPClient();
         InetAddress ip = InetAddress.getByName(urlEntity.hostName);
+        client.setConnectTimeout(10000);  // 连接10s超时
         client.connect(ip, Integer.parseInt(urlEntity.port));
-        mTaskEntity.urlEntity.validAddr = ip;
+        mTaskEntity.getUrlEntity().validAddr = ip;
       } else {
         InetAddress[] ips = InetAddress.getAllByName(urlEntity.hostName);
         client = connect(new FTPClient(), ips, 0, Integer.parseInt(urlEntity.port));
@@ -211,10 +212,10 @@ public abstract class AbsFtpInfoThread<ENTITY extends AbsEntity, TASK_ENTITY ext
       // 开启服务器对UTF-8的支持，如果服务器支持就用UTF-8编码
       charSet = "UTF-8";
       reply = client.sendCommand("OPTS UTF8", "ON");
-      if (!TextUtils.isEmpty(mTaskEntity.charSet) || (!FTPReply.isPositiveCompletion(reply)
+      if (!TextUtils.isEmpty(mTaskEntity.getCharSet()) || (!FTPReply.isPositiveCompletion(reply)
           && reply != FTPReply.COMMAND_OK)) {
         ALog.i(TAG, "FTP 服务器不支持开启UTF8编码，尝试使用Aria手动设置的编码");
-        charSet = mTaskEntity.charSet;
+        charSet = mTaskEntity.getCharSet();
       }
       client.setControlEncoding(charSet);
       client.setDataTimeout(10 * 1000);
@@ -233,7 +234,7 @@ public abstract class AbsFtpInfoThread<ENTITY extends AbsEntity, TASK_ENTITY ext
   private FTPClient connect(FTPClient client, InetAddress[] ips, int index, int port) {
     try {
       client.connect(ips[index], port);
-      mTaskEntity.urlEntity.validAddr = ips[index];
+      mTaskEntity.getUrlEntity().validAddr = ips[index];
       return client;
     } catch (IOException e) {
       //e.printStackTrace();

Aria/src/main/java/com/arialyy/aria/core/common/AbsFtpThreadTask.java

@@ -51,7 +51,7 @@ public abstract class AbsFtpThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTI
    */
   protected FTPClient createClient() {
     FTPClient client = null;
-    final FtpUrlEntity urlEntity = mTaskEntity.urlEntity;
+    final FtpUrlEntity urlEntity = mTaskEntity.getUrlEntity();
     if (urlEntity.validAddr == null) {
       try {
         InetAddress[] ips = InetAddress.getAllByName(urlEntity.hostName);
@@ -93,9 +93,9 @@ public abstract class AbsFtpThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTI
       }
       // 开启服务器对UTF-8的支持，如果服务器支持就用UTF-8编码
       charSet = "UTF-8";
-      if (!TextUtils.isEmpty(mTaskEntity.charSet) || !FTPReply.isPositiveCompletion(
+      if (!TextUtils.isEmpty(mTaskEntity.getCharSet()) || !FTPReply.isPositiveCompletion(
           client.sendCommand("OPTS UTF8", "ON"))) {
-        charSet = mTaskEntity.charSet;
+        charSet = mTaskEntity.getCharSet();
       }
       client.setControlEncoding(charSet);
       client.setDataTimeout(10 * 1000);
@@ -114,7 +114,7 @@ public abstract class AbsFtpThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTI
   private FTPClient connect(FTPClient client, InetAddress[] ips, int index, int port) {
     try {
       client.connect(ips[index], port);
-      mTaskEntity.urlEntity.validAddr = ips[index];
+      mTaskEntity.getUrlEntity().validAddr = ips[index];
       return client;
     } catch (IOException e) {
       try {

Aria/src/main/java/com/arialyy/aria/core/common/AbsThreadTask.java

@@ -86,7 +86,7 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
     mEntity = mTaskEntity.getEntity();
     mConfigFPath = info.CONFIG_FILE_PATH;
     mBufSize = manager.getDownloadConfig().getBuffSize();
-    setMaxSpeed(AriaManager.getInstance(AriaManager.APP).getDownloadConfig().getMsxSpeed());
+    setMaxSpeed(AriaManager.getInstance(AriaManager.APP).getDownloadConfig().getMaxSpeed());
     mTaskType = getTaskType();
     mLastSaveTime = System.currentTimeMillis();
     mConfigThreadPool = Executors.newCachedThreadPool();
@@ -200,7 +200,7 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
     synchronized (AriaManager.LOCK) {
       try {
         if (ex != null) {
-          ALog.e(TAG, msg + "\n" + CommonUtil.getPrintException(ex));
+          ALog.e(TAG, msg + "\n" + ALog.getExceptionString(ex));
         } else {
           ALog.e(TAG, msg);
         }
@@ -210,7 +210,7 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
         } else {
           ALog.e(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】执行失败");
           mListener.onFail(true);
-          ErrorHelp.saveError(mTaskType, mEntity, "", CommonUtil.getPrintException(ex));
+          ErrorHelp.saveError(TAG, "", ALog.getExceptionString(ex));
         }
       } catch (IOException e) {
         e.printStackTrace();

Aria/src/main/java/com/arialyy/aria/core/common/CompleteInfo.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.common;
+
+/**
+ * Created by AriaL on 2018/3/3.
+ * 获取文件信息完成后 回调给下载线程的信息
+ */
+public class CompleteInfo {
+  /**
+   * 自定义的状态码
+   */
+  public int code;
+
+  public CompleteInfo(int code) {
+    this.code = code;
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/common/IUtil.java

@@ -18,7 +18,7 @@ package com.arialyy.aria.core.common;
 
 /**
  * Created by lyy on 2016/10/31.
- * 抽象的下载接口
+ * 任务功能接口
  */
 public interface IUtil {
 
@@ -28,39 +28,39 @@ public interface IUtil {
   long getFileSize();
 
   /**
-   * 获取当前下载位置
+   * 获取当前位置
    */
   long getCurrentLocation();
 
   /**
-   * 是否正在下载
+   * 任务是否正在执行
    *
-   * @return true, 正在下载
+   * @return {@code true} 任务正在执行
    */
   boolean isRunning();
 
   /**
-   * 取消下载
+   * 取消
    */
   void cancel();
 
   /**
-   * 停止下载
+   * 停止
    */
   void stop();
 
   /**
-   * 开始下载
+   * 开始
    */
   void start();
 
   /**
-   * 从上次断点恢复下载
+   * 从上次断点恢复
    */
   void resume();
 
   /**
-   * 设置最大下载速度
+   * 设置最大速度
    */
   void setMaxSpeed(double maxSpeed);
 }

Aria/src/main/java/com/arialyy/aria/core/common/OnFileInfoCallback.java

@@ -1,12 +1,27 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package com.arialyy.aria.core.common;
 
 public interface OnFileInfoCallback {
   /**
    * 处理完成
    *
-   * @param code 状态码
+   * @param info 一些回调的信息
    */
-  void onComplete(String url, int code);
+  void onComplete(String url, CompleteInfo info);
 
   /**
    * 请求失败

Aria/src/main/java/com/arialyy/aria/core/common/TaskRecord.java

@@ -13,22 +13,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.arialyy.aria.core;
+package com.arialyy.aria.core.common;
 
 import com.arialyy.aria.orm.DbEntity;
 
 /**
- * Created by lyy on 2017/10/17.
- * Url 映射表
+ * Created by laoyuyu on 2018/3/21.
+ * 任务上传或下载的记录
  */
-public class UrlMapping extends DbEntity {
+class TaskRecord extends DbEntity {
   /**
-   * 各实体对应的key
+   * 任务线程数
    */
-  public String key;
+  public int threadNum;
+
+  //public int re
 
-  /**
-   * 链接
-   */
-  public String url;
 }

Aria/src/main/java/com/arialyy/aria/core/delegate/FtpDelegate.java

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.delegate;
+
+import android.text.TextUtils;
+import com.arialyy.aria.core.inf.AbsEntity;
+import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.core.inf.IFtpTarget;
+import com.arialyy.aria.core.inf.ITarget;
+import com.arialyy.aria.util.ALog;
+
+/**
+ * Created by laoyuyu on 2018/3/9.
+ * ftp 委托
+ */
+public class FtpDelegate<TARGET extends ITarget, ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity<ENTITY>>
+    implements IFtpTarget<TARGET> {
+  private static final String TAG = "FtpDelegate";
+  private ENTITY mEntity;
+  private TASK_ENTITY mTaskEntity;
+  private TARGET mTarget;
+
+  public FtpDelegate(TARGET target, TASK_ENTITY taskEntity) {
+    mTarget = target;
+    mTaskEntity = taskEntity;
+    mEntity = mTaskEntity.getEntity();
+  }
+
+  @Override public TARGET charSet(String charSet) {
+    if (TextUtils.isEmpty(charSet)) return mTarget;
+    mTaskEntity.setCharSet(charSet);
+    return mTarget;
+  }
+
+  @Override public TARGET login(String userName, String password) {
+    return login(userName, password, null);
+  }
+
+  @Override public TARGET login(String userName, String password, String account) {
+    if (TextUtils.isEmpty(userName)) {
+      ALog.e(TAG, "用户名不能为null");
+      return mTarget;
+    } else if (TextUtils.isEmpty(password)) {
+      ALog.e(TAG, "密码不能为null");
+      return mTarget;
+    }
+    mTaskEntity.getUrlEntity().needLogin = true;
+    mTaskEntity.getUrlEntity().user = userName;
+    mTaskEntity.getUrlEntity().password = password;
+    mTaskEntity.getUrlEntity().account = account;
+    return mTarget;
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/delegate/HttpHeaderDelegate.java

@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.delegate;
+
+import android.support.annotation.NonNull;
+import android.text.TextUtils;
+import com.arialyy.aria.core.common.RequestEnum;
+import com.arialyy.aria.core.inf.AbsEntity;
+import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.core.inf.IHttpHeaderTarget;
+import com.arialyy.aria.core.inf.ITarget;
+import com.arialyy.aria.util.ALog;
+import java.util.Collection;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Created by laoyuyu on 2018/3/9.
+ * HTTP header参数设置委托类
+ */
+public class HttpHeaderDelegate<TARGET extends ITarget, ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity<ENTITY>>
+    implements IHttpHeaderTarget<TARGET> {
+  private static final String TAG = "HttpHeaderDelegate";
+  private ENTITY mEntity;
+  private TASK_ENTITY mTaskEntity;
+  private TARGET mTarget;
+
+  public HttpHeaderDelegate(TARGET target, TASK_ENTITY taskEntity) {
+    mTarget = target;
+    mTaskEntity = taskEntity;
+
+    mEntity = mTaskEntity.getEntity();
+  }
+
+  /**
+   * 给url请求添加Header数据
+   * 如果新的header数据和数据保存的不一致，则更新数据库中对应的header数据
+   *
+   * @param key header对应的key
+   * @param value header对应的value
+   */
+  @Override
+  public TARGET addHeader(@NonNull String key, @NonNull String value) {
+    if (TextUtils.isEmpty(key)) {
+      ALog.w(TAG, "设置header失败，header对应的key不能为null");
+      return mTarget;
+    } else if (TextUtils.isEmpty(value)) {
+      ALog.w(TAG, "设置header失败，header对应的value不能为null");
+      return mTarget;
+    }
+    if (mTaskEntity.getHeaders().get(key) == null) {
+      mTaskEntity.getHeaders().put(key, value);
+    } else if (!mTaskEntity.getHeaders().get(key).equals(value)) {
+      mTaskEntity.getHeaders().put(key, value);
+    }
+    return mTarget;
+  }
+
+  /**
+   * 给url请求添加一组header数据
+   * 如果新的header数据和数据保存的不一致，则更新数据库中对应的header数据
+   *
+   * @param headers 一组http header数据
+   */
+  @Override
+  public TARGET addHeaders(@NonNull Map<String, String> headers) {
+    if (headers.size() == 0) {
+      ALog.w(TAG, "设置header失败，map没有header数据");
+      return mTarget;
+    }
+    /*
+      两个map比较逻辑
+      1、比对key是否相同
+      2、如果key相同，比对value是否相同
+      3、只有当上面两个步骤中key 和 value都相同时才能任务两个map数据一致
+     */
+    boolean mapEquals = false;
+    if (mTaskEntity.getHeaders().size() == headers.size()) {
+      int i = 0;
+      Set<String> keys = mTaskEntity.getHeaders().keySet();
+      for (String key : keys) {
+        if (headers.containsKey(key)) {
+          i++;
+        } else {
+          break;
+        }
+      }
+      if (i == mTaskEntity.getHeaders().size()) {
+        int j = 0;
+        Collection<String> values = mTaskEntity.getHeaders().values();
+        for (String value : values) {
+          if (headers.containsValue(value)) {
+            j++;
+          } else {
+            break;
+          }
+        }
+        if (j == mTaskEntity.getHeaders().size()) {
+          mapEquals = true;
+        }
+      }
+    }
+
+    if (!mapEquals) {
+      mTaskEntity.getHeaders().clear();
+      Set<String> keys = headers.keySet();
+      for (String key : keys) {
+        mTaskEntity.getHeaders().put(key, headers.get(key));
+      }
+    }
+
+    return mTarget;
+  }
+
+  /**
+   * 设置请求类型，POST或GET，默认为在GET
+   * 只试用于HTTP请求
+   *
+   * @param requestEnum {@link RequestEnum}
+   */
+  @Override
+  public TARGET setRequestMode(RequestEnum requestEnum) {
+    mTaskEntity.setRequestEnum(requestEnum);
+    return mTarget;
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/download/AbsDownloadTarget.java

@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download;
+
+import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.command.normal.NormalCmdFactory;
+import com.arialyy.aria.core.inf.AbsEntity;
+import com.arialyy.aria.core.inf.AbsTarget;
+import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.util.CommonUtil;
+
+/**
+ * Created by lyy on 2017/2/28.
+ */
+abstract class AbsDownloadTarget<TARGET extends AbsTarget, ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity>
+    extends AbsTarget<TARGET, ENTITY, TASK_ENTITY> {
+
+  static final int HTTP = 1;
+  static final int FTP = 2;
+  //HTTP任务组
+  static final int GROUP_HTTP = 3;
+  //FTP文件夹
+  static final int GROUP_FTP_DIR = 4;
+
+  /**
+   * 设置的文件保存路径的临时变量
+   */
+  String mTempFilePath;
+
+  /**
+   * 将任务设置为最高优先级任务，最高优先级任务有以下特点：
+   * 1、在下载队列中，有且只有一个最高优先级任务
+   * 2、最高优先级任务会一直存在，直到用户手动暂停或任务完成
+   * 3、任务调度器不会暂停最高优先级任务
+   * 4、用户手动暂停或任务完成后，第二次重新执行该任务，该命令将失效
+   * 5、如果下载队列中已经满了，则会停止队尾的任务，当高优先级任务完成后，该队尾任务将自动执行
+   * 6、把任务设置为最高优先级任务后，将自动执行任务，不需要重新调用start()启动任务
+   */
+  protected void setHighestPriority() {
+    if (checkEntity()) {
+      AriaManager.getInstance(AriaManager.APP)
+          .setCmd(CommonUtil.createNormalCmd(mTargetName, mTaskEntity,
+              NormalCmdFactory.TASK_HIGHEST_PRIORITY, checkTaskType()))
+          .exe();
+    }
+  }
+
+  /**
+   * 添加任务
+   */
+  public void add() {
+    if (checkEntity()) {
+      AriaManager.getInstance(AriaManager.APP)
+          .setCmd(CommonUtil.createNormalCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_CREATE,
+              checkTaskType()))
+          .exe();
+    }
+  }
+
+  /**
+   * 获取任务文件大小
+   *
+   * @return 文件大小
+   */
+  public long getFileSize() {
+    return getSize();
+  }
+
+  /**
+   * 获取单位转换后的文件大小
+   *
+   * @return 文件大小{@code xxx mb}
+   */
+  public String getConvertFileSize() {
+    return getConvertSize();
+  }
+
+  /**
+   * 设置target类型
+   *
+   * @return {@link #HTTP}、{@link #FTP}、{@link #GROUP_HTTP}、{@link #GROUP_FTP_DIR}
+   */
+  protected abstract int getTargetType();
+}

Aria/src/main/java/com/arialyy/aria/core/download/BaseDListener.java

@@ -150,11 +150,11 @@ class BaseDListener<ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity<
   }
 
   private void saveData(int state, long location) {
-    mTaskEntity.state = state;
+    mTaskEntity.setState(state);
     mEntity.setState(state);
     mEntity.setComplete(state == IEntity.STATE_COMPLETE);
     if (state == IEntity.STATE_CANCEL) {
-      mTaskEntity.deleteData();
+      mEntity.deleteData();
       return;
     } else if (mEntity.isComplete()) {
       mEntity.setCompleteTime(System.currentTimeMillis());

Aria/src/main/java/com/arialyy/aria/core/download/BaseGroupTarget.java

@@ -16,32 +16,31 @@
 package com.arialyy.aria.core.download;
 
 import android.text.TextUtils;
-import com.arialyy.aria.core.inf.AbsDownloadTarget;
-import com.arialyy.aria.core.inf.AbsGroupTaskEntity;
-import com.arialyy.aria.core.inf.AbsTarget;
+import android.util.Log;
 import com.arialyy.aria.core.manager.SubTaskManager;
-import com.arialyy.aria.orm.DbEntity;
-import com.arialyy.aria.util.CommonUtil;
+import com.arialyy.aria.core.queue.DownloadGroupTaskQueue;
+import com.arialyy.aria.util.ALog;
 import java.io.File;
-import java.util.ArrayList;
 import java.util.List;
 
 /**
  * Created by Aria.Lao on 2017/7/26.
  */
-abstract class BaseGroupTarget<TARGET extends AbsTarget, TASK_ENTITY extends AbsGroupTaskEntity>
-    extends AbsDownloadTarget<TARGET, DownloadGroupEntity, TASK_ENTITY> {
+abstract class BaseGroupTarget<TARGET extends BaseGroupTarget>
+    extends AbsDownloadTarget<TARGET, DownloadGroupEntity, DownloadGroupTaskEntity> {
 
-  List<String> mUrls = new ArrayList<>();
+  /**
+   * 组任务名
+   */
   String mGroupName;
   /**
-   * 子任务文件名
+   * 文件夹临时路径
    */
-  private List<String> mSubTaskFileName = new ArrayList<>();
+  String mDirPathTemp;
   /**
-   * 是否已经设置了文件路径
+   * 是否需要修改路径
    */
-  private boolean isSetDirPathed = false;
+  boolean needModifyPath = false;
 
   private SubTaskManager mSubTaskManager;
 
@@ -63,10 +62,24 @@ abstract class BaseGroupTarget<TARGET extends AbsTarget, TASK_ENTITY extends Abs
   public TARGET setGroupAlias(String alias) {
     if (TextUtils.isEmpty(alias)) return (TARGET) this;
     mEntity.setAlias(alias);
-    mEntity.update();
     return (TARGET) this;
   }
 
+  @Override public boolean taskExists() {
+    return DownloadGroupTaskQueue.getInstance().getTask(mEntity.getGroupName()) != null;
+  }
+
+  /**
+   * 设置任务组的文件夹路径，该api后续会删除
+   *
+   * @param groupDirPath 任务组保存文件夹路径
+   * @deprecated {@link #setDirPath(String)} 请使用这个api
+   */
+  @Deprecated
+  public TARGET setDownloadDirPath(String groupDirPath) {
+    return setDirPath(groupDirPath);
+  }
+
   /**
    * 设置任务组的文件夹路径，在Aria中，任务组的所有子任务都会下载到以任务组组名的文件夹中。
    * 如：groupDirPath = "/mnt/sdcard/download/group_test"
@@ -84,130 +97,69 @@ abstract class BaseGroupTarget<TARGET extends AbsTarget, TASK_ENTITY extends Abs
    *   }
    * </pre>
    *
-   * @param groupDirPath 任务组保存文件夹路径
+   * @param dirPath 任务组保存文件夹路径
    */
-  public TARGET setDownloadDirPath(String groupDirPath) {
-    if (TextUtils.isEmpty(groupDirPath)) {
-      throw new NullPointerException("任务组文件夹保存路径不能为null");
-    }
-
-    isSetDirPathed = true;
-    if (mEntity.getDirPath().equals(groupDirPath)) return (TARGET) this;
-
-    File file = new File(groupDirPath);
-    if (file.exists() && file.isFile()) {
-      throw new IllegalArgumentException("路径不能为文件");
-    }
-    if (!file.exists()) {
-      file.mkdirs();
-    }
-
-    mEntity.setDirPath(groupDirPath);
-    if (!TextUtils.isEmpty(mEntity.getDirPath())) {
-      reChangeDirPath(groupDirPath);
-    } else {
-      mEntity.setSubTasks(createSubTask());
-    }
-    mEntity.update();
+  public TARGET setDirPath(String dirPath) {
+    mDirPathTemp = dirPath;
     return (TARGET) this;
   }
 
+  @Override public boolean isRunning() {
+    DownloadGroupTask task = DownloadGroupTaskQueue.getInstance().getTask(mEntity.getKey());
+    return task != null && task.isRunning();
+  }
+
   /**
    * 改变任务组文件夹路径，修改文件夹路径会将子任务所有路径更换
    *
    * @param newDirPath 新的文件夹路径
    */
-  private void reChangeDirPath(String newDirPath) {
-    List<DownloadEntity> subTask = mEntity.getSubTask();
-    if (subTask != null && !subTask.isEmpty()) {
-      for (DownloadEntity entity : subTask) {
-        String oldPath = entity.getDownloadPath();
-        String newPath = newDirPath + "/" + entity.getFileName();
+  void reChangeDirPath(String newDirPath) {
+    List<DownloadTaskEntity> subTasks = mTaskEntity.getSubTaskEntities();
+    if (subTasks != null && !subTasks.isEmpty()) {
+      for (DownloadTaskEntity dte : subTasks) {
+        DownloadEntity de = dte.getEntity();
+        String oldPath = de.getDownloadPath();
+        String newPath = newDirPath + "/" + de.getFileName();
         File file = new File(oldPath);
-        file.renameTo(new File(newPath));
-        DbEntity.exeSql("UPDATE DownloadEntity SET downloadPath='"
-            + newPath
-            + "' WHERE downloadPath='"
-            + oldPath
-            + "'");
-        DbEntity.exeSql(
-            "UPDATE DownloadTaskEntity SET key='" + newPath + "' WHERE key='" + oldPath + "'");
+        if (file.exists()) {
+          file.renameTo(new File(newPath));
+        }
+        de.setDownloadPath(newPath);
+        dte.setKey(newPath);
+        de.save();
+        dte.save();
       }
-    } else {
-      mEntity.setSubTasks(createSubTask());
     }
   }
 
   /**
-   * 设置子任务文件名，该方法必须在{@link #setDownloadDirPath(String)}之后调用，否则不生效
+   * 检查并设置文件夹路径
    *
-   * @see #setSubFileName(List)
-   */
-  @Deprecated public TARGET setSubTaskFileName(List<String> subTaskFileName) {
-
-    return setSubFileName(subTaskFileName);
-  }
-
-  /**
-   * 设置子任务文件名，该方法必须在{@link #setDownloadDirPath(String)}之后调用，否则不生效
+   * @return {@code true} 合法
    */
-  public TARGET setSubFileName(List<String> subTaskFileName) {
-    if (subTaskFileName == null || subTaskFileName.isEmpty()) return (TARGET) this;
-    mSubTaskFileName.addAll(subTaskFileName);
-    if (mUrls.size() != subTaskFileName.size()) {
-      throw new IllegalArgumentException("下载链接数必须要和保存路径的数量一致");
+  boolean checkDirPath() {
+    if (TextUtils.isEmpty(mDirPathTemp)) {
+      ALog.e(TAG, "文件夹路径不能为null");
+      return false;
+    } else if (!mDirPathTemp.startsWith("/")) {
+      ALog.e(TAG, "文件夹路径【" + mDirPathTemp + "】错误");
+      return false;
     }
-    if (isSetDirPathed) {
-      List<DownloadEntity> entities = mEntity.getSubTask();
-      int i = 0;
-      for (DownloadEntity entity : entities) {
-        if (i < mSubTaskFileName.size()) {
-          String newName = mSubTaskFileName.get(i);
-          updateSubFileName(entity, newName);
-        }
-        i++;
-      }
+    File file = new File(mDirPathTemp);
+    if (file.isFile()) {
+      ALog.e(TAG, "路径【" + mDirPathTemp + "】是文件，请设置文件夹路径");
+      return false;
     }
-    return (TARGET) this;
-  }
 
-  /**
-   * 更新子任务文件名
-   */
-  private void updateSubFileName(DownloadEntity entity, String newName) {
-    if (!newName.equals(entity.getFileName())) {
-      String oldPath = mEntity.getDirPath() + "/" + entity.getFileName();
-      String newPath = mEntity.getDirPath() + "/" + newName;
-      File oldFile = new File(oldPath);
-      if (oldFile.exists()) {
-        oldFile.renameTo(new File(newPath));
+    if (TextUtils.isEmpty(mEntity.getDirPath()) || !mEntity.getDirPath().equals(mDirPathTemp)) {
+      if (!file.exists()) {
+        file.mkdirs();
       }
-      CommonUtil.renameDownloadConfig(oldFile.getName(), newName);
-      DbEntity.exeSql(
-          "UPDATE DownloadTaskEntity SET key='" + newPath + "' WHERE key='" + oldPath + "'");
-      entity.setDownloadPath(newPath);
-      entity.setFileName(newName);
-      entity.update();
+      needModifyPath = true;
+      mEntity.setDirPath(mDirPathTemp);
     }
-  }
 
-  /**
-   * 创建子任务
-   */
-  private List<DownloadEntity> createSubTask() {
-    List<DownloadEntity> list = new ArrayList<>();
-    for (int i = 0, len = mUrls.size(); i < len; i++) {
-      DownloadEntity entity = new DownloadEntity();
-      entity.setUrl(mUrls.get(i));
-      String fileName =
-          mSubTaskFileName.isEmpty() ? createFileName(entity.getUrl()) : mSubTaskFileName.get(i);
-      entity.setDownloadPath(mEntity.getDirPath() + "/" + fileName);
-      entity.setGroupName(mGroupName);
-      entity.setGroupChild(true);
-      entity.setFileName(fileName);
-      entity.insert();
-      list.add(entity);
-    }
-    return list;
+    return true;
   }
 }

Aria/src/main/java/com/arialyy/aria/core/download/BaseNormalTarget.java

@@ -0,0 +1,183 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download;
+
+import android.text.TextUtils;
+import com.arialyy.aria.core.manager.TEManager;
+import com.arialyy.aria.core.queue.DownloadTaskQueue;
+import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.util.ALog;
+import com.arialyy.aria.util.CommonUtil;
+import java.io.File;
+
+/**
+ * Created by Aria.Lao on 2017/7/26.
+ */
+abstract class BaseNormalTarget<TARGET extends BaseNormalTarget>
+    extends AbsDownloadTarget<TARGET, DownloadEntity, DownloadTaskEntity> {
+
+  /**
+   * 资源地址
+   */
+  protected String url;
+
+  /**
+   * 通过地址初始化target
+   */
+  void initTarget(String url, String targetName, boolean refreshInfo) {
+    this.url = url;
+    mTargetName = targetName;
+    mTaskEntity = TEManager.getInstance().getTEntity(DownloadTaskEntity.class, url);
+    mEntity = mTaskEntity.getEntity();
+    mTaskEntity.setRefreshInfo(refreshInfo);
+    if (mEntity != null) {
+      mTempFilePath = mEntity.getDownloadPath();
+    }
+  }
+
+  /**
+   * 将任务设置为最高优先级任务，最高优先级任务有以下特点：
+   * 1、在下载队列中，有且只有一个最高优先级任务
+   * 2、最高优先级任务会一直存在，直到用户手动暂停或任务完成
+   * 3、任务调度器不会暂停最高优先级任务
+   * 4、用户手动暂停或任务完成后，第二次重新执行该任务，该命令将失效
+   * 5、如果下载队列中已经满了，则会停止队尾的任务，当高优先级任务完成后，该队尾任务将自动执行
+   * 6、把任务设置为最高优先级任务后，将自动执行任务，不需要重新调用start()启动任务
+   */
+  @Override public void setHighestPriority() {
+    super.setHighestPriority();
+  }
+
+  /**
+   * 下载任务是否存在
+   *
+   * @return {@code true}任务存在
+   */
+  @Override public boolean taskExists() {
+    return DownloadTaskQueue.getInstance().getTask(mEntity.getUrl()) != null;
+  }
+
+  /**
+   * 获取下载实体
+   */
+  public DownloadEntity getDownloadEntity() {
+    return mEntity;
+  }
+
+  /**
+   * 是否在下载，该api后续版本会删除
+   *
+   * @deprecated {@link #isRunning()}
+   */
+  @Deprecated public boolean isDownloading() {
+    return isRunning();
+  }
+
+  /**
+   * 是否在下载
+   *
+   * @return {@code true}任务正在下载
+   */
+  @Override public boolean isRunning() {
+    DownloadTask task = DownloadTaskQueue.getInstance().getTask(mEntity.getKey());
+    return task != null && task.isRunning();
+  }
+
+  /**
+   * 检查下载实体，判断实体是否合法
+   * 合法标准为：
+   * 1、下载路径不为null，并且下载路径是正常的http或ftp路径
+   * 2、保存路径不为null，并且保存路径是android文件系统路径
+   * 3、保存路径不能重复
+   *
+   * @return {@code true}合法
+   */
+  @Override protected boolean checkEntity() {
+    boolean b = getTargetType() < GROUP_HTTP && checkUrl() && checkFilePath();
+    if (b) {
+      mEntity.save();
+      mTaskEntity.save();
+    }
+    return b;
+  }
+
+  /**
+   * 检查并设置普通任务的文件保存路径
+   *
+   * @return {@code true}保存路径合法
+   */
+  private boolean checkFilePath() {
+    String filePath = mTempFilePath;
+    if (TextUtils.isEmpty(filePath)) {
+      ALog.e(TAG, "下载失败，文件保存路径为null");
+      return false;
+    } else if (!filePath.startsWith("/")) {
+      ALog.e(TAG, "下载失败，文件保存路径【" + filePath + "】错误");
+      return false;
+    }
+    File file = new File(filePath);
+    if (file.isDirectory()) {
+      if (getTargetType() == HTTP) {
+        ALog.e(TAG, "下载失败，保存路径【" + filePath + "】不能为文件夹，路径需要是完整的文件路径，如：/mnt/sdcard/game.zip");
+        return false;
+      } else if (getTargetType() == FTP) {
+        filePath += mEntity.getFileName();
+      }
+    }
+    mEntity.setFileName(file.getName());
+
+    //设置文件保存路径，如果新文件路径和就文件路径不同，则修改路径
+    if (!filePath.equals(mEntity.getDownloadPath())) {
+      if (DbEntity.checkDataExist(DownloadEntity.class, "downloadPath=?", filePath)) {
+        ALog.e(TAG, "下载失败，保存路径【" + filePath + "】已经被其它任务占用，请设置其它保存路径");
+        return false;
+      }
+      File oldFile = new File(mEntity.getDownloadPath());
+      File newFile = new File(filePath);
+      mEntity.setDownloadPath(filePath);
+      mEntity.setFileName(newFile.getName());
+      mTaskEntity.setKey(filePath);
+      //mTaskEntity.update();
+      if (oldFile.exists()) {
+        oldFile.renameTo(newFile);
+        CommonUtil.renameDownloadConfig(oldFile.getName(), newFile.getName());
+      }
+    }
+    return true;
+  }
+
+  /**
+   * 检查普通任务的下载地址
+   *
+   * @return {@code true}地址合法
+   */
+  private boolean checkUrl() {
+    final String url = mEntity.getUrl();
+    if (TextUtils.isEmpty(url)) {
+      ALog.e(TAG, "下载失败，url为null");
+      return false;
+    } else if (!url.startsWith("http") && !url.startsWith("ftp")) {
+      ALog.e(TAG, "下载失败，url【" + url + "】错误");
+      return false;
+    }
+    int index = url.indexOf("://");
+    if (index == -1) {
+      ALog.e(TAG, "下载失败，url【" + url + "】不合法");
+      return false;
+    }
+    return true;
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/download/DownloadEntity.java

@@ -21,8 +21,9 @@ import android.os.Parcelable;
 import android.text.TextUtils;
 import com.arialyy.aria.core.inf.AbsNormalEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
-import com.arialyy.aria.orm.Foreign;
-import com.arialyy.aria.orm.Primary;
+import com.arialyy.aria.orm.ActionPolicy;
+import com.arialyy.aria.orm.annotation.Foreign;
+import com.arialyy.aria.orm.annotation.Primary;
 import com.arialyy.aria.util.CommonUtil;
 
 /**
@@ -30,33 +31,30 @@ import com.arialyy.aria.util.CommonUtil;
  * 下载实体
  */
 public class DownloadEntity extends AbsNormalEntity implements Parcelable {
-  @Primary private String downloadPath = ""; //保存路径
+  @Primary private String downloadPath; //保存路径
 
   /**
    * 所属任务组
    */
-  @Foreign(table = DownloadGroupEntity.class, column = "groupName") private String groupName = "";
+  @Foreign(parent = DownloadGroupEntity.class, column = "groupName",
+      onUpdate = ActionPolicy.CASCADE, onDelete = ActionPolicy.CASCADE)
+  private String groupName;
 
   /**
-   * 下载任务实体的key
-   */
-  @Foreign(table = DownloadTaskEntity.class, column = "key") private String taskKey = "";
-
-  /**
-   * 通过{@link AbsTaskEntity#md5Key}从服务器的返回信息中获取的文件md5信息，如果服务器没有返回，则不会设置该信息
+   * 从服务器的返回信息中获取的文件md5信息，如果服务器没有返回，则不会设置该信息
    * 如果你已经设置了该任务的MD5信息，Aria也不会从服务器返回的信息中获取该信息
    */
-  private String md5Code = "";
+  private String md5Code;
 
   /**
-   * 通过{@link AbsTaskEntity#dispositionKey}从服务器的返回信息中获取的文件描述信息
+   * 从服务器的返回信息中获取的文件描述信息
    */
-  private String disposition = "";
+  private String disposition;
 
   /**
    * 从disposition获取到的文件名，如果可以获取到，则会赋值到这个字段
    */
-  private String serverFileName = "";
+  private String serverFileName;
 
   @Override public String getKey() {
     return getUrl();
@@ -101,13 +99,6 @@ public class DownloadEntity extends AbsNormalEntity implements Parcelable {
     this.groupName = groupName;
   }
 
-  /**
-   * {@link #getUrl()}
-   */
-  @Deprecated public String getDownloadUrl() {
-    return getUrl();
-  }
-
   public String getDownloadPath() {
     return downloadPath;
   }
@@ -117,8 +108,6 @@ public class DownloadEntity extends AbsNormalEntity implements Parcelable {
     return this;
   }
 
-
-
   @Override public DownloadEntity clone() throws CloneNotSupportedException {
     return (DownloadEntity) super.clone();
   }

Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupEntity.java

@@ -18,8 +18,7 @@ package com.arialyy.aria.core.download;
 import android.os.Parcel;
 import com.arialyy.aria.core.inf.AbsGroupEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
-import com.arialyy.aria.orm.OneToMany;
-import java.util.ArrayList;
+import com.arialyy.aria.orm.annotation.Ignore;
 import java.util.List;
 
 /**
@@ -28,22 +27,24 @@ import java.util.List;
  */
 public class DownloadGroupEntity extends AbsGroupEntity {
 
-  @OneToMany(table = DownloadEntity.class, key = "groupName") private List<DownloadEntity> subtask =
-      new ArrayList<>();
+  @Ignore private List<DownloadEntity> subEntities;
 
   /**
    * 任务组下载文件的文件夹地址
    *
-   * @see DownloadGroupTarget#setDownloadDirPath(String)
+   * @see DownloadGroupTarget#setDirPath(String)
    */
-  private String dirPath = "";
+  private String dirPath;
 
-  public List<DownloadEntity> getSubTask() {
-    return subtask;
+  /**
+   * 子任务实体列表
+   */
+  public List<DownloadEntity> getSubEntities() {
+    return subEntities;
   }
 
-  public void setSubTasks(List<DownloadEntity> subTasks) {
-    this.subtask = subTasks;
+  public void setSubEntities(List<DownloadEntity> subTasks) {
+    this.subEntities = subTasks;
   }
 
   public String getDirPath() {
@@ -71,13 +72,13 @@ public class DownloadGroupEntity extends AbsGroupEntity {
 
   @Override public void writeToParcel(Parcel dest, int flags) {
     super.writeToParcel(dest, flags);
-    dest.writeTypedList(this.subtask);
+    dest.writeTypedList(this.subEntities);
     dest.writeString(this.dirPath);
   }
 
   protected DownloadGroupEntity(Parcel in) {
     super(in);
-    this.subtask = in.createTypedArrayList(DownloadEntity.CREATOR);
+    this.subEntities = in.createTypedArrayList(DownloadEntity.CREATOR);
     this.dirPath = in.readString();
   }
 

Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupListener.java

@@ -86,7 +86,7 @@ class DownloadGroupListener
 
   private void saveCurrentLocation() {
     long location = 0;
-    for (DownloadEntity e : mEntity.getSubTask()) {
+    for (DownloadEntity e : mEntity.getSubEntities()) {
       location += e.getCurrentProgress();
     }
     mEntity.setCurrentProgress(location);

Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTarget.java

@@ -15,45 +15,53 @@
  */
 package com.arialyy.aria.core.download;
 
-import com.arialyy.aria.core.inf.IEntity;
+import android.text.TextUtils;
 import com.arialyy.aria.core.manager.TEManager;
-import com.arialyy.aria.core.queue.DownloadGroupTaskQueue;
 import com.arialyy.aria.util.ALog;
-import com.arialyy.aria.util.CheckUtil;
 import com.arialyy.aria.util.CommonUtil;
+import java.io.File;
+import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 
 /**
  * Created by AriaL on 2017/6/29.
  * 下载任务组
  */
-public class DownloadGroupTarget
-    extends BaseGroupTarget<DownloadGroupTarget, DownloadGroupTaskEntity> {
-  private final String TAG = "DownloadGroupTarget";
+public class DownloadGroupTarget extends BaseGroupTarget<DownloadGroupTarget> {
+  /**
+   * 子任务下载地址，
+   */
+  private List<String> mUrls = new ArrayList<>();
+
+  /**
+   * 子任务文件名
+   */
+  private List<String> mSubNameTemp = new ArrayList<>();
 
   DownloadGroupTarget(DownloadGroupEntity groupEntity, String targetName) {
     this.mTargetName = targetName;
     if (groupEntity.getUrls() != null && !groupEntity.getUrls().isEmpty()) {
       this.mUrls.addAll(groupEntity.getUrls());
     }
-    mGroupName = CommonUtil.getMd5Code(groupEntity.getUrls());
-    mTaskEntity = TEManager.getInstance().getTEntity(DownloadGroupTaskEntity.class, mGroupName);
-    if (mTaskEntity == null) {
-      mTaskEntity =
-          TEManager.getInstance().createTEntity(DownloadGroupTaskEntity.class, groupEntity);
-    }
-    mEntity = mTaskEntity.entity;
+    init();
   }
 
   DownloadGroupTarget(List<String> urls, String targetName) {
     this.mTargetName = targetName;
     this.mUrls = urls;
-    mGroupName = CommonUtil.getMd5Code(urls);
-    mTaskEntity = TEManager.getInstance().getTEntity(DownloadGroupTaskEntity.class, mGroupName);
-    if (mTaskEntity == null) {
-      mTaskEntity = TEManager.getInstance().createGTEntity(DownloadGroupTaskEntity.class, mUrls);
+    init();
+  }
+
+  private void init() {
+    mGroupName = CommonUtil.getMd5Code(mUrls);
+    mTaskEntity = TEManager.getInstance().getGTEntity(DownloadGroupTaskEntity.class, mUrls);
+    mEntity = mTaskEntity.getEntity();
+
+    if (mEntity != null) {
+      mDirPathTemp = mEntity.getDirPath();
     }
-    mEntity = mTaskEntity.entity;
   }
 
   /**
@@ -71,7 +79,6 @@ public class DownloadGroupTarget
     }
     if (mEntity.getFileSize() <= 1 || mEntity.getFileSize() != fileSize) {
       mEntity.setFileSize(fileSize);
-      mEntity.update();
     }
     return this;
   }
@@ -80,16 +87,165 @@ public class DownloadGroupTarget
    * 如果你是使用{@link DownloadReceiver#load(DownloadGroupEntity)}进行下载操作，那么你需要设置任务组的下载地址
    */
   public DownloadGroupTarget setGroupUrl(List<String> urls) {
-    CheckUtil.checkDownloadUrls(urls);
     mUrls.clear();
     mUrls.addAll(urls);
-    mEntity.setGroupName(CommonUtil.getMd5Code(urls));
-    mEntity.update();
     return this;
   }
 
-  @Override public boolean isRunning() {
-    DownloadGroupTask task = DownloadGroupTaskQueue.getInstance().getTask(mEntity.getKey());
-    return task != null && task.isRunning();
+  /**
+   * 设置子任务文件名，该方法必须在{@link #setDirPath(String)}之后调用，否则不生效
+   *
+   * @deprecated {@link #setSubFileName(List)} 请使用该api
+   */
+  @Deprecated public DownloadGroupTarget setSubTaskFileName(List<String> subTaskFileName) {
+    return setSubFileName(subTaskFileName);
+  }
+
+  /**
+   * 设置子任务文件名，该方法必须在{@link #setDirPath(String)}之后调用，否则不生效
+   */
+  public DownloadGroupTarget setSubFileName(List<String> subTaskFileName) {
+    if (subTaskFileName == null || subTaskFileName.isEmpty()) {
+      ALog.e(TAG, "修改子任务的文件名失败：列表为null");
+      return this;
+    }
+    if (subTaskFileName.size() != mTaskEntity.getSubTaskEntities().size()) {
+      ALog.e(TAG, "修改子任务的文件名失败：子任务文件名列表数量和子任务的数量不匹配");
+      return this;
+    }
+    mSubNameTemp.clear();
+    mSubNameTemp.addAll(subTaskFileName);
+    return this;
+  }
+
+  @Override protected int getTargetType() {
+    return GROUP_HTTP;
+  }
+
+  @Override protected boolean checkEntity() {
+    if (getTargetType() == GROUP_HTTP) {
+      if (!checkDirPath()) {
+        return false;
+      }
+
+      if (!checkSubName()) {
+        return false;
+      }
+
+      if (!checkUrls()) {
+        return false;
+      }
+
+      mEntity.save();
+      mTaskEntity.save();
+
+      if (needModifyPath) {
+        reChangeDirPath(mDirPathTemp);
+      }
+
+      if (!mSubNameTemp.isEmpty()) {
+        updateSingleSubFileName();
+      }
+      return true;
+    }
+    return false;
+  }
+
+  /**
+   * 更新所有改动的子任务文件名
+   */
+  private void updateSingleSubFileName() {
+    List<DownloadTaskEntity> entities = mTaskEntity.getSubTaskEntities();
+    int i = 0;
+    for (DownloadTaskEntity entity : entities) {
+      if (i < mSubNameTemp.size()) {
+        String newName = mSubNameTemp.get(i);
+        updateSingleSubFileName(entity, newName);
+      }
+      i++;
+    }
+  }
+
+  /**
+   * 检查urls是否合法，并删除不合法的子任务
+   *
+   * @return {@code true} 合法
+   */
+  private boolean checkUrls() {
+    if (mUrls.isEmpty()) {
+      ALog.e(TAG, "下载失败，子任务下载列表为null");
+      return false;
+    }
+    Set<Integer> delItem = new HashSet<>();
+
+    int i = 0;
+    for (String url : mUrls) {
+      if (TextUtils.isEmpty(url)) {
+        ALog.e(TAG, "子任务url为null，即将删除该子任务。");
+        delItem.add(i);
+        continue;
+      } else if (!url.startsWith("http")) {
+        //} else if (!url.startsWith("http") && !url.startsWith("ftp")) {
+        ALog.e(TAG, "子任务url【" + url + "】错误，即将删除该子任务。");
+        delItem.add(i);
+        continue;
+      }
+      int index = url.indexOf("://");
+      if (index == -1) {
+        ALog.e(TAG, "子任务url【" + url + "】不合法，即将删除该子任务。");
+        delItem.add(i);
+        continue;
+      }
+
+      i++;
+    }
+
+    for (int index : delItem) {
+      mUrls.remove(index);
+      if (mSubNameTemp != null && !mSubNameTemp.isEmpty()) {
+        mSubNameTemp.remove(index);
+      }
+    }
+
+    mEntity.setGroupName(CommonUtil.getMd5Code(mUrls));
+
+    return true;
+  }
+
+  /**
+   * 更新单个子任务文件名
+   */
+  private void updateSingleSubFileName(DownloadTaskEntity taskEntity, String newName) {
+    DownloadEntity entity = taskEntity.getEntity();
+    if (!newName.equals(entity.getFileName())) {
+      String oldPath = mEntity.getDirPath() + "/" + entity.getFileName();
+      String newPath = mEntity.getDirPath() + "/" + newName;
+      File oldFile = new File(oldPath);
+      if (oldFile.exists()) {
+        oldFile.renameTo(new File(newPath));
+      }
+      CommonUtil.renameDownloadConfig(oldFile.getName(), newName);
+      entity.setDownloadPath(newPath);
+      taskEntity.setKey(newPath);
+      entity.setFileName(newName);
+      entity.update();
+    }
+  }
+
+  /**
+   * 如果用户设置了子任务文件名，检查子任务文件名
+   *
+   * @return {@code true} 合法
+   */
+  private boolean checkSubName() {
+    if (mSubNameTemp == null || mSubNameTemp.isEmpty()) {
+      return true;
+    }
+    if (mUrls.size() != mSubNameTemp.size()) {
+      ALog.e(TAG, "子任务文件名必须和子任务数量一致");
+      return false;
+    }
+
+    return true;
   }
 }

Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTask.java

@@ -41,7 +41,7 @@ public class DownloadGroupTask extends AbsGroupTask<DownloadGroupTaskEntity> {
     mOutHandler = outHandler;
     mContext = AriaManager.APP;
     mListener = new DownloadGroupListener(this, mOutHandler);
-    switch (taskEntity.requestType) {
+    switch (taskEntity.getRequestType()) {
       case AbsTaskEntity.D_HTTP:
         mUtil = new DownloadGroupUtil(mListener, mTaskEntity);
         break;
@@ -71,15 +71,17 @@ public class DownloadGroupTask extends AbsGroupTask<DownloadGroupTaskEntity> {
   @Override public void stop() {
     if (!mUtil.isRunning()) {
       mListener.onStop(getCurrentProgress());
+    } else {
+      mUtil.stop();
     }
-    mUtil.stop();
   }
 
   @Override public void cancel() {
     if (!mUtil.isRunning()) {
       mListener.onCancel();
+    } else {
+      mUtil.cancel();
     }
-    mUtil.cancel();
   }
 
   @Override public String getTaskName() {
@@ -116,7 +118,6 @@ public class DownloadGroupTask extends AbsGroupTask<DownloadGroupTaskEntity> {
     public DownloadGroupTask build() {
       DownloadGroupTask task = new DownloadGroupTask(taskEntity, outHandler);
       task.setTargetName(targetName);
-      taskEntity.save();
       return task;
     }
   }

Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTaskEntity.java

@@ -16,24 +16,48 @@
 package com.arialyy.aria.core.download;
 
 import com.arialyy.aria.core.inf.AbsGroupTaskEntity;
-import com.arialyy.aria.orm.OneToOne;
+import com.arialyy.aria.orm.ActionPolicy;
+import com.arialyy.aria.orm.annotation.Foreign;
+import com.arialyy.aria.orm.annotation.Ignore;
+import com.arialyy.aria.orm.annotation.Primary;
+import java.util.List;
 
 /**
  * Created by AriaL on 2017/7/1.
+ * 任务组的任务实体
  */
 public class DownloadGroupTaskEntity extends AbsGroupTaskEntity<DownloadGroupEntity> {
 
-  @OneToOne(table = DownloadGroupEntity.class, key = "groupName") public DownloadGroupEntity entity;
+  @Ignore private DownloadGroupEntity entity;
+
+  @Ignore private List<DownloadTaskEntity> subTaskEntities;
+
+  @Primary
+  @Foreign(parent = DownloadGroupEntity.class, column = "groupName",
+      onUpdate = ActionPolicy.CASCADE, onDelete = ActionPolicy.CASCADE)
+  private String key;
 
   @Override public DownloadGroupEntity getEntity() {
     return entity;
   }
 
+  public void setEntity(DownloadGroupEntity entity) {
+    this.entity = entity;
+  }
+
+  public List<DownloadTaskEntity> getSubTaskEntities() {
+    return subTaskEntities;
+  }
+
+  public void setSubTaskEntities(List<DownloadTaskEntity> subTaskEntities) {
+    this.subTaskEntities = subTaskEntities;
+  }
+
+  @Override public String getKey() {
+    return key;
+  }
 
-  public void save(DownloadGroupEntity groupEntity){
-    key = groupEntity.getKey();
-    entity = groupEntity;
-    groupEntity.save();
-    save();
+  public void setKey(String key) {
+    this.key = key;
   }
 }

Aria/src/main/java/com/arialyy/aria/core/download/DownloadReceiver.java

@@ -22,13 +22,15 @@ import com.arialyy.aria.core.command.ICmd;
 import com.arialyy.aria.core.command.normal.CancelAllCmd;
 import com.arialyy.aria.core.command.normal.NormalCmdFactory;
 import com.arialyy.aria.core.common.ProxyHelper;
+import com.arialyy.aria.core.download.wrapper.DGEWrapper;
 import com.arialyy.aria.core.inf.AbsEntity;
 import com.arialyy.aria.core.inf.AbsReceiver;
 import com.arialyy.aria.core.inf.AbsTarget;
+import com.arialyy.aria.core.manager.TEManager;
 import com.arialyy.aria.core.scheduler.DownloadGroupSchedulers;
 import com.arialyy.aria.core.scheduler.DownloadSchedulers;
-import com.arialyy.aria.core.scheduler.ISchedulerListener;
 import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CheckUtil;
 import com.arialyy.aria.util.CommonUtil;
 import java.util.ArrayList;
@@ -41,7 +43,6 @@ import java.util.Set;
  */
 public class DownloadReceiver extends AbsReceiver {
   private final String TAG = "DownloadReceiver";
-  public ISchedulerListener<DownloadTask> listener;
 
   /**
    * 设置最大下载速度，单位：kb
@@ -49,8 +50,8 @@ public class DownloadReceiver extends AbsReceiver {
    *
    * @param maxSpeed 为0表示不限速
    */
-  @Deprecated public void setMaxSpeed(double maxSpeed) {
-    AriaManager.getInstance(AriaManager.APP).getDownloadConfig().setMsxSpeed(maxSpeed);
+  @Deprecated public void setMaxSpeed(int maxSpeed) {
+    AriaManager.getInstance(AriaManager.APP).getDownloadConfig().setMaxSpeed(maxSpeed);
   }
 
   /**
@@ -108,14 +109,25 @@ public class DownloadReceiver extends AbsReceiver {
    * </pre>
    */
   @Deprecated public DownloadTarget load(@NonNull String url, boolean refreshInfo) {
-    url = CheckUtil.checkUrl(url);
+    CheckUtil.checkUrlInvalidThrow(url);
     return new DownloadTarget(url, targetName, refreshInfo);
   }
 
   /**
    * 加载下载地址，如果任务组的中的下载地址改变了，则任务从新的一个任务组
+   *
+   * @param urls 任务组子任务下载地址列表
+   * @deprecated {@link #loadGroup(DownloadGroupEntity)}
    */
+  @Deprecated
   public DownloadGroupTarget load(List<String> urls) {
+    return loadGroup(urls);
+  }
+
+  /**
+   * 加载下载地址，如果任务组的中的下载地址改变了，则任务从新的一个任务组
+   */
+  public DownloadGroupTarget loadGroup(List<String> urls) {
     CheckUtil.checkDownloadUrls(urls);
     return new DownloadGroupTarget(urls, targetName);
   }
@@ -165,17 +177,29 @@ public class DownloadReceiver extends AbsReceiver {
    * @param refreshInfo 是否刷新下载信息
    */
   public FtpDownloadTarget loadFtp(@NonNull String url, boolean refreshInfo) {
-    url = CheckUtil.checkUrl(url);
+    CheckUtil.checkUrlInvalidThrow(url);
     return new FtpDownloadTarget(url, targetName, refreshInfo);
   }
 
   /**
-   * 使用任务组实体执行任务组的实体执行任务组的下载操作
+   * 使用任务组实体执行任务组的实体执行任务组的下载操作，后续版本会删除该api
    *
    * @param groupEntity 如果加载的任务实体没有子项的下载地址，
    * 那么你需要使用{@link DownloadGroupTarget#setGroupUrl(List)}设置子项的下载地址
+   * @deprecated 请使用 {@link #loadGroup(DownloadGroupEntity)}
    */
+  @Deprecated
   public DownloadGroupTarget load(DownloadGroupEntity groupEntity) {
+    return loadGroup(groupEntity);
+  }
+
+  /**
+   * 使用任务组实体执行任务组的实体执行任务组的下载操作
+   *
+   * @param groupEntity 如果加载的任务实体没有子项的下载地址，
+   * 那么你需要使用{@link DownloadGroupTarget#setGroupUrl(List)}设置子项的下载地址
+   */
+  public DownloadGroupTarget loadGroup(DownloadGroupEntity groupEntity) {
     return new DownloadGroupTarget(groupEntity, targetName);
   }
 
@@ -183,7 +207,7 @@ public class DownloadReceiver extends AbsReceiver {
    * 加载ftp文件夹下载地址
    */
   public FtpDirDownloadTarget loadFtpDir(@NonNull String dirUrl) {
-    dirUrl = CheckUtil.checkUrl(dirUrl);
+    CheckUtil.checkUrlInvalidThrow(dirUrl);
     return new FtpDirDownloadTarget(dirUrl, targetName);
   }
 
@@ -207,6 +231,7 @@ public class DownloadReceiver extends AbsReceiver {
 
   /**
    * 取消注册，如果是Activity或fragment，Aria会界面销毁时自动调用该方法。
+   * 如果在activity中一定要调用该方法，那么请在onDestroy()中调用
    * 如果是Dialog或popupwindow，需要你在撤销界面时调用该方法
    */
   @Override public void unRegister() {
@@ -232,44 +257,59 @@ public class DownloadReceiver extends AbsReceiver {
 
   @Override public void destroy() {
     targetName = null;
-    listener = null;
   }
 
   /**
    * 通过下载链接获取下载实体
+   *
+   * @return 如果url错误或查找不到数据，则返回null
    */
   public DownloadEntity getDownloadEntity(String downloadUrl) {
-    downloadUrl = CheckUtil.checkUrl(downloadUrl);
+    if (CheckUtil.checkUrl(downloadUrl)) {
+      return null;
+    }
     return DbEntity.findFirst(DownloadEntity.class, "url=? and isGroupChild='false'", downloadUrl);
   }
 
   /**
-   * 通过下载链接获取保存在数据库的下载任务实体
+   * 通过下载地址和文件保存路径获取下载任务实体
+   *
+   * @param downloadUrl 下载地址
+   * @return 如果url错误或查找不到数据，则返回null
    */
   public DownloadTaskEntity getDownloadTask(String downloadUrl) {
-    downloadUrl = CheckUtil.checkUrl(downloadUrl);
-    DownloadEntity entity = getDownloadEntity(downloadUrl);
-    if (entity == null || TextUtils.isEmpty(entity.getDownloadPath())) return null;
-    return DbEntity.findFirst(DownloadTaskEntity.class, "key=? and isGroupTask='false'",
-        entity.getDownloadPath());
+    if (CheckUtil.checkUrl(downloadUrl)) {
+      return null;
+    }
+    return TEManager.getInstance().getTEntity(DownloadTaskEntity.class, downloadUrl);
   }
 
   /**
    * 通过下载链接获取保存在数据库的下载任务组实体
+   *
+   * @param urls 任务组子任务下载地址列表
+   * @return 返回对应的任务组实体；如果查找不到对应的数据或子任务列表为null，返回null
    */
-  public DownloadGroupTaskEntity getDownloadGroupTask(List<String> urls) {
-    CheckUtil.checkDownloadUrls(urls);
-    String hashCode = CommonUtil.getMd5Code(urls);
-    return DbEntity.findFirst(DownloadGroupTaskEntity.class, "key=?", hashCode);
+  public DownloadGroupTaskEntity getGroupTask(List<String> urls) {
+    if (urls == null || urls.isEmpty()) {
+      ALog.e(TAG, "获取任务组实体失败：任务组子任务下载地址列表为null");
+      return null;
+    }
+    return TEManager.getInstance().getGTEntity(DownloadGroupTaskEntity.class, urls);
   }
 
   /**
-   * 通过任务组key，获取任务组实体
-   * 如果是http，key为所有子任务下载地址拼接后取md5
-   * 如果是ftp，key为ftp服务器的文件夹路径
+   * 获取FTP文件夹下载任务实体
+   *
+   * @param dirUrl FTP文件夹本地下载路径
+   * @return 返回对应的任务组实体；如果查找不到对应的数据或路径为null，返回null
    */
-  public DownloadGroupTaskEntity getDownloadGroupTask(String key) {
-    return DbEntity.findFirst(DownloadGroupTaskEntity.class, "key=?", key);
+  public DownloadGroupTaskEntity getFtpDirTask(String dirUrl) {
+    if (TextUtils.isEmpty(dirUrl)) {
+      ALog.e(TAG, "获取FTP文件夹实体失败：下载路径为null");
+      return null;
+    }
+    return TEManager.getInstance().getFDTEntity(DownloadGroupTaskEntity.class, dirUrl);
   }
 
   /**
@@ -307,15 +347,25 @@ public class DownloadReceiver extends AbsReceiver {
 
   /**
    * 获取任务组列表
+   *
+   * @return 如果没有任务组列表，则返回null
    */
   public List<DownloadGroupEntity> getGroupTaskList() {
-    return DownloadEntity.findAllData(DownloadGroupEntity.class);
+    List<DGEWrapper> wrappers = DbEntity.findRelationData(DGEWrapper.class);
+    if (wrappers == null || wrappers.isEmpty()) {
+      return null;
+    }
+    List<DownloadGroupEntity> entities = new ArrayList<>();
+    for (DGEWrapper wrapper : wrappers) {
+      entities.add(wrapper.groupEntity);
+    }
+    return entities;
   }
 
   /**
    * 获取普通任务和任务组的任务列表
    */
-  public List<AbsEntity> getTotleTaskList() {
+  public List<AbsEntity> getTotalTaskList() {
     List<AbsEntity> list = new ArrayList<>();
     List<DownloadEntity> simpleTask = getTaskList();
     List<DownloadGroupEntity> groupTask = getGroupTaskList();

Aria/src/main/java/com/arialyy/aria/core/download/DownloadTarget.java

@@ -16,35 +16,25 @@
 package com.arialyy.aria.core.download;
 
 import android.support.annotation.NonNull;
-import android.text.TextUtils;
-import com.arialyy.aria.core.inf.AbsDownloadTarget;
-import com.arialyy.aria.core.manager.TEManager;
-import com.arialyy.aria.core.queue.DownloadTaskQueue;
-import com.arialyy.aria.orm.DbEntity;
-import com.arialyy.aria.util.CommonUtil;
-import java.io.File;
+import com.arialyy.aria.core.common.RequestEnum;
+import com.arialyy.aria.core.delegate.HttpHeaderDelegate;
+import com.arialyy.aria.core.inf.IHttpHeaderTarget;
+import java.util.Map;
 
 /**
  * Created by lyy on 2016/12/5.
  * https://github.com/AriaLyy/Aria
  */
-public class DownloadTarget
-    extends AbsDownloadTarget<DownloadTarget, DownloadEntity, DownloadTaskEntity> {
-  protected String url;
+public class DownloadTarget extends BaseNormalTarget<DownloadTarget>
+    implements IHttpHeaderTarget<DownloadTarget> {
+  private HttpHeaderDelegate<DownloadTarget, DownloadEntity, DownloadTaskEntity> mDelegate;
 
   DownloadTarget(DownloadEntity entity, String targetName) {
     this(entity, targetName, false);
   }
 
   DownloadTarget(DownloadEntity entity, String targetName, boolean refreshInfo) {
-    this.url = entity.getUrl();
-    mTargetName = targetName;
-    mTaskEntity = TEManager.getInstance().getTEntity(DownloadTaskEntity.class, url);
-    if (mTaskEntity == null) {
-      mTaskEntity = TEManager.getInstance().createTEntity(DownloadTaskEntity.class, entity);
-    }
-    mEntity = mTaskEntity.entity;
-    mTaskEntity.refreshInfo = refreshInfo;
+    this(entity.getUrl(), targetName, refreshInfo);
   }
 
   DownloadTarget(String url, String targetName) {
@@ -52,14 +42,8 @@ public class DownloadTarget
   }
 
   DownloadTarget(String url, String targetName, boolean refreshInfo) {
-    this.url = url;
-    mTargetName = targetName;
-    mTaskEntity = TEManager.getInstance().getTEntity(DownloadTaskEntity.class, url);
-    if (mTaskEntity == null) {
-      mTaskEntity = TEManager.getInstance().createTEntity(DownloadTaskEntity.class, url);
-    }
-    mEntity = mTaskEntity.entity;
-    mTaskEntity.refreshInfo = refreshInfo;
+    initTarget(url, targetName, refreshInfo);
+    mDelegate = new HttpHeaderDelegate<>(this, mTaskEntity);
   }
 
   /**
@@ -69,31 +53,20 @@ public class DownloadTarget
    *
    * @param use {@code true} 使用
    */
-  @Deprecated public DownloadTarget useServerFileName(boolean use) {
-    mTaskEntity.useServerFileName = use;
+  public DownloadTarget useServerFileName(boolean use) {
+    mTaskEntity.setUseServerFileName(use);
     return this;
   }
 
   /**
-   * 将任务设置为最高优先级任务，最高优先级任务有以下特点：
-   * 1、在下载队列中，有且只有一个最高优先级任务
-   * 2、最高优先级任务会一直存在，直到用户手动暂停或任务完成
-   * 3、任务调度器不会暂停最高优先级任务
-   * 4、用户手动暂停或任务完成后，第二次重新执行该任务，该命令将失效
-   * 5、如果下载队列中已经满了，则会停止队尾的任务，当高优先级任务完成后，该队尾任务将自动执行
-   * 6、把任务设置为最高优先级任务后，将自动执行任务，不需要重新调用start()启动任务
-   */
-  @Override public void setHighestPriority() {
-    super.setHighestPriority();
-  }
-
-  /**
-   * 下载任务是否存在
+   * 设置文件存储路径
+   * 该api后续版本会删除
    *
-   * @return {@code true}任务存在
+   * @param downloadPath 文件保存路径
+   * @deprecated {@link #setFilePath(String)} 请使用这个api
    */
-  @Override public boolean taskExists() {
-    return DownloadTaskQueue.getInstance().getTask(mEntity.getUrl()) != null;
+  @Deprecated public DownloadTarget setDownloadPath(@NonNull String downloadPath) {
+    return setFilePath(downloadPath);
   }
 
   /**
@@ -101,38 +74,13 @@ public class DownloadTarget
    * 如：原文件路径 /mnt/sdcard/test.zip
    * 如果需要将test.zip改为game.zip，只需要重新设置文件路径为：/mnt/sdcard/game.zip
    *
-   * @param downloadPath 路径必须为文件路径，不能为文件夹路径
+   * @param filePath 路径必须为文件路径，不能为文件夹路径
    */
-  public DownloadTarget setDownloadPath(@NonNull String downloadPath) {
-    if (TextUtils.isEmpty(downloadPath)) {
-      throw new IllegalArgumentException("文件保持路径不能为null");
-    }
-    File file = new File(downloadPath);
-    if (file.isDirectory()) {
-      throw new IllegalArgumentException("保存路径不能为文件夹，路径需要是完整的文件路径，如：/mnt/sdcard/game.zip");
-    }
-    if (!downloadPath.equals(mEntity.getDownloadPath())) {
-      if (!mTaskEntity.refreshInfo && DbEntity.checkDataExist(DownloadEntity.class,
-          "downloadPath=?", downloadPath)) {
-        throw new IllegalArgumentException("保存路径【" + downloadPath + "】已经被其它任务占用，请设置其它保存路径");
-      }
-      File oldFile = new File(mEntity.getDownloadPath());
-      File newFile = new File(downloadPath);
-      if (TextUtils.isEmpty(mEntity.getDownloadPath()) || oldFile.renameTo(newFile)) {
-        mEntity.setDownloadPath(downloadPath);
-        mEntity.setFileName(newFile.getName());
-        mTaskEntity.key = downloadPath;
-        mTaskEntity.update();
-        CommonUtil.renameDownloadConfig(oldFile.getName(), newFile.getName());
-      }
-    }
+  public DownloadTarget setFilePath(@NonNull String filePath) {
+    mTempFilePath = filePath;
     return this;
   }
 
-  public DownloadEntity getDownloadEntity() {
-    return mEntity;
-  }
-
   /**
    * 从header中获取文件描述信息
    */
@@ -140,17 +88,19 @@ public class DownloadTarget
     return mEntity.getDisposition();
   }
 
-  /**
-   * 是否在下载
-   *
-   * @deprecated {@link #isRunning()}
-   */
-  public boolean isDownloading() {
-    return isRunning();
+  @Override protected int getTargetType() {
+    return HTTP;
+  }
+
+  @Override public DownloadTarget addHeader(@NonNull String key, @NonNull String value) {
+    return mDelegate.addHeader(key, value);
+  }
+
+  @Override public DownloadTarget addHeaders(Map<String, String> headers) {
+    return mDelegate.addHeaders(headers);
   }
 
-  @Override public boolean isRunning() {
-    DownloadTask task = DownloadTaskQueue.getInstance().getTask(mEntity.getKey());
-    return task != null && task.isRunning();
+  @Override public DownloadTarget setRequestMode(RequestEnum requestEnum) {
+    return mDelegate.setRequestMode(requestEnum);
   }
 }

Aria/src/main/java/com/arialyy/aria/core/download/DownloadTask.java

@@ -18,7 +18,6 @@ package com.arialyy.aria.core.download;
 
 import android.os.Handler;
 import android.os.Looper;
-import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.common.IUtil;
 import com.arialyy.aria.core.download.downloader.SimpleDownloadUtil;
@@ -78,16 +77,12 @@ public class DownloadTask extends AbsNormalTask<DownloadTaskEntity> {
   }
 
   /**
-   * 任务下载状态
+   * 是否真正下载
    *
-   * @see DownloadTask#isRunning()
+   * @return {@code true} 真正下载
    */
-  @Deprecated public boolean isDownloading() {
-    return mUtil.isRunning();
-  }
-
   @Override public boolean isRunning() {
-    return isDownloading();
+    return mUtil.isRunning();
   }
 
   public DownloadEntity getDownloadEntity() {

Aria/src/main/java/com/arialyy/aria/core/download/DownloadTaskEntity.java

@@ -16,31 +16,51 @@
 package com.arialyy.aria.core.download;
 
 import com.arialyy.aria.core.inf.AbsNormalTaskEntity;
-import com.arialyy.aria.orm.NoNull;
-import com.arialyy.aria.orm.OneToOne;
+import com.arialyy.aria.orm.ActionPolicy;
+import com.arialyy.aria.orm.annotation.Foreign;
+import com.arialyy.aria.orm.annotation.Ignore;
+import com.arialyy.aria.orm.annotation.NoNull;
+import com.arialyy.aria.orm.annotation.Primary;
 
 /**
  * Created by lyy on 2017/1/23.
- * 下载任务实体
+ * 下载任务实体和下载实体为一对一关系，下载实体删除，任务实体自动删除
  */
 public class DownloadTaskEntity extends AbsNormalTaskEntity<DownloadEntity> {
 
-  @OneToOne(table = DownloadEntity.class, key = "downloadPath") public DownloadEntity entity;
+  @Ignore private DownloadEntity entity;
 
   /**
    * 任务的url
    */
-  @NoNull public String url = "";
+  @NoNull private String url;
 
   /**
    * 所属的任务组组名，如果不属于任务组，则为null
    */
-  public String groupName = "";
+  @Foreign(parent = DownloadGroupTaskEntity.class, column = "key",
+      onUpdate = ActionPolicy.CASCADE, onDelete = ActionPolicy.CASCADE)
+  private String groupName;
+
+  /**
+   * 是否是chunk模式
+   */
+  private boolean isChunked = false;
 
   /**
    * 该任务是否属于任务组
    */
-  public boolean isGroupTask = false;
+  private boolean isGroupTask = false;
+
+  /**
+   * Task实体对应的key
+   */
+  @Primary
+  @Foreign(parent = DownloadEntity.class, column = "downloadPath",
+      onUpdate = ActionPolicy.CASCADE, onDelete = ActionPolicy.CASCADE)
+  private String key;
+
+
 
   public DownloadTaskEntity() {
   }
@@ -49,13 +69,47 @@ public class DownloadTaskEntity extends AbsNormalTaskEntity<DownloadEntity> {
     return entity;
   }
 
-  public void save(DownloadEntity entity) {
+  @Override public String getKey() {
+    return key;
+  }
+
+  public String getUrl() {
+    return url;
+  }
+
+  public String getGroupName() {
+    return groupName;
+  }
+
+  public boolean isChunked() {
+    return isChunked;
+  }
+
+  public boolean isGroupTask() {
+    return isGroupTask;
+  }
+
+  public void setEntity(DownloadEntity entity) {
     this.entity = entity;
-    if (entity != null) {
-      url = entity.getUrl();
-      key = entity.getDownloadPath();
-      entity.save();
-    }
-    save();
+  }
+
+  public void setUrl(String url) {
+    this.url = url;
+  }
+
+  public void setGroupName(String groupName) {
+    this.groupName = groupName;
+  }
+
+  public void setChunked(boolean chunked) {
+    isChunked = chunked;
+  }
+
+  public void setGroupTask(boolean groupTask) {
+    isGroupTask = groupTask;
+  }
+
+  public void setKey(String key) {
+    this.key = key;
   }
 }

Aria/src/main/java/com/arialyy/aria/core/download/FtpDirDownloadTarget.java

@@ -16,18 +16,19 @@
 package com.arialyy.aria.core.download;
 
 import android.text.TextUtils;
+import com.arialyy.aria.core.delegate.FtpDelegate;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.core.inf.IFtpTarget;
 import com.arialyy.aria.core.manager.TEManager;
-import com.arialyy.aria.core.queue.DownloadGroupTaskQueue;
 import com.arialyy.aria.util.ALog;
 
 /**
  * Created by Aria.Lao on 2017/7/26.
  * ftp文件夹下载
  */
-public class FtpDirDownloadTarget
-    extends BaseGroupTarget<FtpDirDownloadTarget, DownloadGroupTaskEntity> {
-  private final String TAG = "FtpDirDownloadTarget";
+public class FtpDirDownloadTarget extends BaseGroupTarget<FtpDirDownloadTarget>
+    implements IFtpTarget<FtpDirDownloadTarget> {
+  private FtpDelegate<FtpDirDownloadTarget, DownloadGroupEntity, DownloadGroupTaskEntity> mDelegate;
 
   FtpDirDownloadTarget(String url, String targetName) {
     mTargetName = targetName;
@@ -36,57 +37,68 @@ public class FtpDirDownloadTarget
 
   private void init(String key) {
     mGroupName = key;
-    mTaskEntity = TEManager.getInstance().getTEntity(DownloadGroupTaskEntity.class, key);
-    if (mTaskEntity == null) {
-      mTaskEntity = TEManager.getInstance().createTEntity(DownloadGroupTaskEntity.class, key);
+    mTaskEntity = TEManager.getInstance().getFDTEntity(DownloadGroupTaskEntity.class, key);
+    mTaskEntity.setRequestType(AbsTaskEntity.D_FTP_DIR);
+    mEntity = mTaskEntity.getEntity();
+    if (mEntity != null) {
+      mDirPathTemp = mEntity.getDirPath();
     }
-    mTaskEntity.requestType = AbsTaskEntity.D_FTP_DIR;
-    mEntity = mTaskEntity.entity;
+    mDelegate = new FtpDelegate<>(this, mTaskEntity);
   }
 
-  /**
-   * 设置字符编码
-   */
-  public FtpDirDownloadTarget charSet(String charSet) {
-    if (TextUtils.isEmpty(charSet)) return this;
-    mTaskEntity.charSet = charSet;
-    return this;
+  @Override protected int getTargetType() {
+    return GROUP_FTP_DIR;
   }
 
-  /**
-   * ftp 用户登录信息
-   *
-   * @param userName ftp用户名
-   * @param password ftp用户密码
-   */
-  public FtpDirDownloadTarget login(String userName, String password) {
-    return login(userName, password, null);
+  @Override protected boolean checkEntity() {
+    boolean b = getTargetType() == GROUP_FTP_DIR && checkDirPath() && checkUrl();
+    if (b) {
+      mEntity.save();
+      mTaskEntity.save();
+      if (mTaskEntity.getSubTaskEntities() != null) {
+        //初始化子项的登录信息
+        for (DownloadTaskEntity entity : mTaskEntity.getSubTaskEntities()) {
+          entity.getUrlEntity().needLogin = mTaskEntity.getUrlEntity().needLogin;
+          entity.getUrlEntity().account = mTaskEntity.getUrlEntity().account;
+          entity.getUrlEntity().user = mTaskEntity.getUrlEntity().user;
+          entity.getUrlEntity().password = mTaskEntity.getUrlEntity().password;
+        }
+      }
+    }
+    return b;
   }
 
   /**
-   * ftp 用户登录信息
+   * 检查普通任务的下载地址
    *
-   * @param userName ftp用户名
-   * @param password ftp用户密码
-   * @param account ftp账号
+   * @return {@code true}地址合法
    */
-  public FtpDirDownloadTarget login(String userName, String password, String account) {
-    if (TextUtils.isEmpty(userName)) {
-      ALog.e(TAG, "用户名不能为null");
-      return this;
-    } else if (TextUtils.isEmpty(password)) {
-      ALog.e(TAG, "密码不能为null");
-      return this;
+  private boolean checkUrl() {
+    final String url = mGroupName;
+    if (TextUtils.isEmpty(url)) {
+      ALog.e(TAG, "下载失败，url为null");
+      return false;
+    } else if (!url.startsWith("ftp")) {
+      ALog.e(TAG, "下载失败，url【" + url + "】错误");
+      return false;
     }
-    mTaskEntity.urlEntity.needLogin = true;
-    mTaskEntity.urlEntity.user = userName;
-    mTaskEntity.urlEntity.password = password;
-    mTaskEntity.urlEntity.account = account;
-    return this;
+    int index = url.indexOf("://");
+    if (index == -1) {
+      ALog.e(TAG, "下载失败，url【" + url + "】不合法");
+      return false;
+    }
+    return true;
+  }
+
+  @Override public FtpDirDownloadTarget charSet(String charSet) {
+    return mDelegate.charSet(charSet);
+  }
+
+  @Override public FtpDirDownloadTarget login(String userName, String password) {
+    return mDelegate.login(userName, password);
   }
 
-  @Override public boolean isRunning() {
-    DownloadGroupTask task = DownloadGroupTaskQueue.getInstance().getTask(mEntity.getKey());
-    return task != null && task.isRunning();
+  @Override public FtpDirDownloadTarget login(String userName, String password, String account) {
+    return mDelegate.login(userName, password, account);
   }
 }

Aria/src/main/java/com/arialyy/aria/core/download/FtpDownloadTarget.java

@@ -16,22 +16,21 @@
 package com.arialyy.aria.core.download;
 
 import android.support.annotation.NonNull;
-import android.text.TextUtils;
+import com.arialyy.aria.core.delegate.FtpDelegate;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
-import com.arialyy.aria.util.ALog;
+import com.arialyy.aria.core.inf.IFtpTarget;
 import com.arialyy.aria.util.CommonUtil;
-import java.io.File;
 
 /**
  * Created by lyy on 2016/12/5.
  * https://github.com/AriaLyy/Aria
  */
-public class FtpDownloadTarget extends DownloadTarget {
-  private final String TAG = "FtpDownloadTarget";
+public class FtpDownloadTarget extends BaseNormalTarget<FtpDownloadTarget>
+    implements IFtpTarget<FtpDownloadTarget> {
+  private FtpDelegate<FtpDownloadTarget, DownloadEntity, DownloadTaskEntity> mDelegate;
 
   FtpDownloadTarget(DownloadEntity entity, String targetName, boolean refreshInfo) {
-    super(entity, targetName, refreshInfo);
-    init(refreshInfo);
+    this(entity.getUrl(), targetName, refreshInfo);
   }
 
   FtpDownloadTarget(String url, String targetName) {
@@ -39,16 +38,29 @@ public class FtpDownloadTarget extends DownloadTarget {
   }
 
   FtpDownloadTarget(String url, String targetName, boolean refreshInfo) {
-    super(url, targetName);
+    initTarget(url, targetName, refreshInfo);
     init(refreshInfo);
   }
 
   private void init(boolean refreshInfo) {
     int lastIndex = url.lastIndexOf("/");
     mEntity.setFileName(url.substring(lastIndex + 1, url.length()));
-    mTaskEntity.urlEntity = CommonUtil.getFtpUrlInfo(url);
-    mTaskEntity.refreshInfo = refreshInfo;
-    mTaskEntity.requestType = AbsTaskEntity.D_FTP;
+    mTaskEntity.setUrlEntity(CommonUtil.getFtpUrlInfo(url));
+    mTaskEntity.setRefreshInfo(refreshInfo);
+    mTaskEntity.setRequestType(AbsTaskEntity.D_FTP);
+
+    mDelegate = new FtpDelegate<>(this, mTaskEntity);
+  }
+
+  /**
+   * 设置文件保存文件夹路径
+   *
+   * @param filePath 文件保存路径
+   * @deprecated {@link #setFilePath(String)} 请使用这个api
+   */
+  @Deprecated
+  public FtpDownloadTarget setDownloadPath(@NonNull String filePath) {
+    return setFilePath(filePath);
   }
 
   /**
@@ -57,69 +69,26 @@ public class FtpDownloadTarget extends DownloadTarget {
    * 1、如果保存路径是该文件的保存路径，如：/mnt/sdcard/file.zip，则使用路径中的文件名file.zip
    * 2、如果保存路径是文件夹路径，如：/mnt/sdcard/，则使用FTP服务器该文件的文件名
    *
-   * @param downloadPath 路径必须为文件路径，不能为文件夹路径
+   * @param filePath 路径必须为文件路径，不能为文件夹路径
    */
-  @Override public FtpDownloadTarget setDownloadPath(@NonNull String downloadPath) {
-    if (TextUtils.isEmpty(downloadPath)) {
-      throw new IllegalArgumentException("文件保持路径不能为null");
-    }
-    File file = new File(downloadPath);
-    if (file.isDirectory()) {
-      downloadPath += mEntity.getFileName();
-    }
-    if (!downloadPath.equals(mEntity.getDownloadPath())) {
-      File oldFile = new File(mEntity.getDownloadPath());
-      File newFile = new File(downloadPath);
-      if (TextUtils.isEmpty(mEntity.getDownloadPath()) || oldFile.renameTo(newFile)) {
-        mEntity.setDownloadPath(downloadPath);
-        mEntity.setFileName(newFile.getName());
-        mTaskEntity.key = downloadPath;
-        mEntity.update();
-        mTaskEntity.update();
-        CommonUtil.renameDownloadConfig(oldFile.getName(), newFile.getName());
-      }
-    }
+  public FtpDownloadTarget setFilePath(@NonNull String filePath) {
+    mTempFilePath = filePath;
     return this;
   }
 
-  /**
-   * 设置字符编码
-   */
-  public FtpDownloadTarget charSet(String charSet) {
-    if (TextUtils.isEmpty(charSet)) return this;
-    mTaskEntity.charSet = charSet;
-    return this;
+  @Override protected int getTargetType() {
+    return FTP;
   }
 
-  /**
-   * ftp 用户登录信息
-   *
-   * @param userName ftp用户名
-   * @param password ftp用户密码
-   */
-  public FtpDownloadTarget login(String userName, String password) {
-    return login(userName, password, null);
+  @Override public FtpDownloadTarget charSet(String charSet) {
+    return mDelegate.charSet(charSet);
   }
 
-  /**
-   * ftp 用户登录信息
-   *
-   * @param userName ftp用户名
-   * @param password ftp用户密码
-   * @param account ftp账号
-   */
-  public FtpDownloadTarget login(String userName, String password, String account) {
-    if (TextUtils.isEmpty(userName)) {
-      ALog.e(TAG, "用户名不能为null");
-      return this;
-    } else if (TextUtils.isEmpty(password)) {
-      ALog.e(TAG, "密码不能为null");
-      return this;
-    }
-    mTaskEntity.urlEntity.needLogin = true;
-    mTaskEntity.urlEntity.user = userName;
-    mTaskEntity.urlEntity.password = password;
-    mTaskEntity.urlEntity.account = account;
-    return this;
+  @Override public FtpDownloadTarget login(String userName, String password) {
+    return mDelegate.login(userName, password);
+  }
+
+  @Override public FtpDownloadTarget login(String userName, String password, String account) {
+    return mDelegate.login(userName, password, account);
   }
 }

Aria/src/main/java/com/arialyy/aria/core/download/downloader/AbsGroupUtil.java

@@ -16,20 +16,17 @@
 package com.arialyy.aria.core.download.downloader;
 
 import com.arialyy.aria.core.AriaManager;
-import com.arialyy.aria.core.FtpUrlEntity;
 import com.arialyy.aria.core.common.IUtil;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.IDownloadListener;
 import com.arialyy.aria.core.inf.IEntity;
-import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import com.arialyy.aria.util.NetUtils;
 import java.io.File;
 import java.util.HashMap;
-import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.Timer;
@@ -73,65 +70,31 @@ public abstract class AbsGroupUtil implements IUtil {
   Map<String, DownloadTaskEntity> mFailMap = new HashMap<>();
 
   /**
-   * 下载器映射表，key为下载地址
+   * 该任务组对应的所有任务
    */
-  private Map<String, Downloader> mDownloaderMap = new HashMap<>();
+  private Map<String, DownloadTaskEntity> mTasksMap = new HashMap<>();
 
   /**
-   * 该任务组对应的所有任务
+   * 下载器映射表，key为下载地址
    */
-  private Map<String, DownloadTaskEntity> mTasksMap = new HashMap<>();
+  private Map<String, Downloader> mDownloaderMap = new HashMap<>();
+
   /**
    * 是否需要读取文件长度，{@code true}需要
    */
   boolean isNeedLoadFileSize = true;
   //已经完成的任务数
-  private int mCompleteNum = 0;
-  //失败的任务数
-  private int mFailNum = 0;
+  int mCompleteNum = 0;
   //停止的任务数
   private int mStopNum = 0;
-  //实际的下载任务数
-  int mActualTaskNum = 0;
-  //初始化完成的任务数
-  int mInitNum = 0;
-  // 初始化失败的任务数
-  int mInitFailNum = 0;
   //任务组大小
   int mGroupSize = 0;
-  long mUpdateInterval = 1000;
+  private long mUpdateInterval = 1000;
 
   AbsGroupUtil(IDownloadGroupListener listener, DownloadGroupTaskEntity groupEntity) {
     mListener = listener;
     mGTEntity = groupEntity;
     mExePool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
-    List<DownloadTaskEntity> tasks =
-        DbEntity.findDatas(DownloadTaskEntity.class, "groupName=?", mGTEntity.key);
-    if (tasks != null && !tasks.isEmpty()) {
-      for (DownloadTaskEntity te : tasks) {
-        te.removeFile = mGTEntity.removeFile;
-        if (te.getEntity() == null) continue;
-        mTasksMap.put(te.getEntity().getUrl(), te);
-      }
-    }
-    mGroupSize = mGTEntity.entity.getSubTask().size();
-    mTotalLen = groupEntity.getEntity().getFileSize();
-    isNeedLoadFileSize = mTotalLen <= 1;
-    for (DownloadEntity entity : mGTEntity.entity.getSubTask()) {
-      File file = new File(entity.getDownloadPath());
-      if (entity.getState() == IEntity.STATE_COMPLETE && file.exists()) {
-        mCompleteNum++;
-        mCurrentLocation += entity.getFileSize();
-      } else {
-        mExeMap.put(entity.getUrl(), createChildDownloadTask(entity));
-        mCurrentLocation += file.exists() ? entity.getCurrentProgress() : 0;
-        mActualTaskNum++;
-      }
-      if (isNeedLoadFileSize) {
-        mTotalLen += entity.getFileSize();
-      }
-    }
-    updateFileSize();
     mUpdateInterval =
         AriaManager.getInstance(AriaManager.APP).getDownloadConfig().getUpdateInterval();
   }
@@ -190,11 +153,9 @@ public abstract class AbsGroupUtil implements IUtil {
    * @param url 子任务下载地址
    */
   public void cancelSubTask(String url) {
-    List<String> urls = mGTEntity.entity.getUrls();
-    if (urls != null && !urls.isEmpty() && urls.contains(url)) {
-      urls.remove(url);
-      DownloadTaskEntity det =
-          DbEntity.findFirst(DownloadTaskEntity.class, "url=? and isGroupTask='true'", url);
+    Set<String> urls = mTasksMap.keySet();
+    if (!urls.isEmpty() && urls.contains(url)) {
+      DownloadTaskEntity det = mTasksMap.get(url);
       if (det != null) {
         mTotalLen -= det.getEntity().getFileSize();
         mGroupSize--;
@@ -260,7 +221,6 @@ public abstract class AbsGroupUtil implements IUtil {
 
   @Override public void cancel() {
     closeTimer(false);
-    mListener.onCancel();
     onCancel();
     if (!mExePool.isShutdown()) {
       mExePool.shutdown();
@@ -273,38 +233,15 @@ public abstract class AbsGroupUtil implements IUtil {
         dt.cancel();
       }
     }
-    delDownloadInfo();
-    mGTEntity.deleteData();
+    clearState();
+    CommonUtil.delDownloadGroupTaskConfig(mGTEntity.isRemoveFile(), mGTEntity.getEntity());
+    mListener.onCancel();
   }
 
   public void onCancel() {
 
   }
 
-  /**
-   * 删除所有子任务的下载信息
-   */
-  private void delDownloadInfo() {
-    List<DownloadTaskEntity> tasks =
-        DbEntity.findDatas(DownloadTaskEntity.class, "groupName=?", mGTEntity.key);
-    if (tasks != null && !tasks.isEmpty()) {
-      for (DownloadTaskEntity taskEntity : tasks) {
-        CommonUtil.delDownloadTaskConfig(mGTEntity.removeFile, taskEntity);
-      }
-    }
-
-    File dir = new File(mGTEntity.getEntity().getDirPath());
-    if (mGTEntity.removeFile) {
-      if (dir.exists()) {
-        dir.delete();
-      }
-    } else {
-      if (!mGTEntity.getEntity().isComplete()) {
-        dir.delete();
-      }
-    }
-  }
-
   @Override public void stop() {
     closeTimer(false);
     onStop();
@@ -325,10 +262,35 @@ public abstract class AbsGroupUtil implements IUtil {
 
   }
 
+  /**
+   * 预处理操作，由于属性的不同，http任务组在构造函数中就可以完成了
+   * 而FTP文件夹的，需要获取完成所有子任务信息才算预处理完成
+   */
+  protected void onPre() {
+    mListener.onPre();
+    mGroupSize = mGTEntity.getSubTaskEntities().size();
+    mTotalLen = mGTEntity.getEntity().getFileSize();
+    isNeedLoadFileSize = mTotalLen <= 1;
+    for (DownloadTaskEntity te : mGTEntity.getSubTaskEntities()) {
+      File file = new File(te.getKey());
+      if (te.getState() == IEntity.STATE_COMPLETE && file.exists()) {
+        mCompleteNum++;
+        mCurrentLocation += te.getEntity().getFileSize();
+      } else {
+        mExeMap.put(te.getUrl(), te);
+        mCurrentLocation += file.exists() ? te.getEntity().getCurrentProgress() : 0;
+      }
+      if (isNeedLoadFileSize) {
+        mTotalLen += te.getEntity().getFileSize();
+      }
+      mTasksMap.put(te.getUrl(), te);
+    }
+    updateFileSize();
+  }
+
   @Override public void start() {
     isRunning = true;
-    mFailNum = 0;
-    mListener.onPre();
+    clearState();
     onStart();
   }
 
@@ -345,6 +307,11 @@ public abstract class AbsGroupUtil implements IUtil {
 
   }
 
+  private void clearState(){
+    mDownloaderMap.clear();
+    mFailMap.clear();
+  }
+
   private void closeTimer(boolean isRunning) {
     this.isRunning = isRunning;
     if (mTimer != null) {
@@ -389,7 +356,7 @@ public abstract class AbsGroupUtil implements IUtil {
    *
    * @param start 是否启动下载
    */
-  Downloader createChildDownload(DownloadTaskEntity taskEntity, boolean start) {
+  private Downloader createChildDownload(DownloadTaskEntity taskEntity, boolean start) {
     ChildDownloadListener listener = new ChildDownloadListener(taskEntity);
     Downloader dt = new Downloader(listener, taskEntity);
     mDownloaderMap.put(taskEntity.getEntity().getUrl(), dt);
@@ -400,44 +367,6 @@ public abstract class AbsGroupUtil implements IUtil {
     return dt;
   }
 
-  /**
-   * 创建子任务下载信息
-   */
-  DownloadTaskEntity createChildDownloadTask(DownloadEntity entity) {
-    DownloadTaskEntity taskEntity = mTasksMap.get(entity.getUrl());
-    if (taskEntity != null) {
-      taskEntity.entity = entity;
-      if (getTaskType() == FTP_DIR) {
-        taskEntity.urlEntity = createFtpUrlEntity(entity);
-      }
-      mTasksMap.put(entity.getUrl(), taskEntity);
-      return taskEntity;
-    }
-    taskEntity = new DownloadTaskEntity();
-    taskEntity.entity = entity;
-    taskEntity.headers = mGTEntity.headers;
-    taskEntity.requestEnum = mGTEntity.requestEnum;
-    taskEntity.redirectUrlKey = mGTEntity.redirectUrlKey;
-    taskEntity.removeFile = mGTEntity.removeFile;
-    taskEntity.groupName = mGTEntity.key;
-    taskEntity.isGroupTask = true;
-    taskEntity.requestType = mGTEntity.requestType;
-    taskEntity.key = entity.getDownloadPath();
-    if (getTaskType() == FTP_DIR) {
-      taskEntity.urlEntity = createFtpUrlEntity(entity);
-    }
-    taskEntity.save();
-    mTasksMap.put(entity.getUrl(), taskEntity);
-    return taskEntity;
-  }
-
-  private FtpUrlEntity createFtpUrlEntity(DownloadEntity entity) {
-    FtpUrlEntity urlEntity = mGTEntity.urlEntity.clone();
-    urlEntity.url = entity.getUrl();
-    urlEntity.remotePath = CommonUtil.getRemotePath(entity.getUrl());
-    return urlEntity;
-  }
-
   /**
    * 子任务事件监听
    */
@@ -498,7 +427,7 @@ public abstract class AbsGroupUtil implements IUtil {
       mListener.onSubStop(subEntity);
       synchronized (AbsGroupUtil.class) {
         mStopNum++;
-        if (mStopNum + mCompleteNum + mInitFailNum + mFailNum >= mGroupSize) {
+        if (mStopNum + mCompleteNum + mFailMap.size() == mGroupSize) {
           closeTimer(false);
           mListener.onStop(mCurrentLocation);
         }
@@ -515,13 +444,13 @@ public abstract class AbsGroupUtil implements IUtil {
       saveData(IEntity.STATE_COMPLETE, subEntity.getFileSize());
       handleSpeed(0);
       mListener.onSubComplete(subEntity);
-      synchronized (AbsGroupUtil.class) {
+      synchronized (ChildDownloadListener.class) {
         mCompleteNum++;
         //如果子任务完成的数量和总任务数一致，表示任务组任务已经完成
         if (mCompleteNum >= mGroupSize) {
           closeTimer(false);
           mListener.onComplete();
-        } else if (mStopNum + mCompleteNum + mInitFailNum + mFailNum >= mGroupSize) {
+        } else if (mFailMap.size() > 0 && mStopNum + mCompleteNum + mFailMap.size() >= mGroupSize) {
           //如果子任务完成数量加上失败的数量和总任务数一致，则任务组停止下载
           closeTimer(false);
           mListener.onStop(mCurrentLocation);
@@ -537,20 +466,23 @@ public abstract class AbsGroupUtil implements IUtil {
     }
 
     /**
-     * 失败后重试下载，如果失败次数超过5次，不再重试
+     * 重试下载
      */
     private void reTry(boolean needRetry) {
-      synchronized (AriaManager.LOCK) {
-        if (subEntity.getFailNum() < 5 && isRunning && needRetry && NetUtils.isConnected(
-            AriaManager.APP)) {
+      synchronized (ChildDownloadListener.class) {
+        if (subEntity.getFailNum() < 5 && needRetry && NetUtils.isConnected(AriaManager.APP)) {
           reStartTask();
         } else {
-          mFailNum++;
+          mFailMap.put(subTaskEntity.getUrl(), subTaskEntity);
           mListener.onSubFail(subEntity);
           //如果失败的任务数大于实际的下载任务数，任务组停止下载
-          if (mFailNum >= mActualTaskNum) {
+          if (mFailMap.size() >= mExeMap.size()) {
             closeTimer(false);
-            mListener.onStop(mCurrentLocation);
+            if (mFailMap.size() == mGroupSize) {  //所有任务都失败了，则认为该任务组已经失败
+              mListener.onFail(true);
+            } else {
+              mListener.onStop(mCurrentLocation);
+            }
           }
         }
       }
@@ -574,11 +506,11 @@ public abstract class AbsGroupUtil implements IUtil {
     }
 
     private void saveData(int state, long location) {
-      subTaskEntity.state = state;
+      subTaskEntity.setState(state);
       subEntity.setState(state);
       subEntity.setComplete(state == IEntity.STATE_COMPLETE);
       if (state == IEntity.STATE_CANCEL) {
-        subTaskEntity.deleteData();
+        subEntity.deleteData();
         return;
       } else if (subEntity.isComplete()) {
         subEntity.setCompleteTime(System.currentTimeMillis());

Aria/src/main/java/com/arialyy/aria/core/download/downloader/ConnectionHelp.java

@@ -15,18 +15,21 @@
  */
 package com.arialyy.aria.core.download.downloader;
 
+import android.text.TextUtils;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.util.SSLContextUtil;
 import java.io.IOException;
+import java.io.InputStream;
 import java.net.HttpURLConnection;
 import java.net.ProtocolException;
 import java.net.URL;
 import java.net.URLConnection;
 import java.util.Set;
+import java.util.zip.GZIPInputStream;
+import java.util.zip.InflaterInputStream;
 import javax.net.ssl.HttpsURLConnection;
 import javax.net.ssl.SSLContext;
 import javax.net.ssl.SSLSocketFactory;
-import org.apache.commons.net.ftp.FTPClient;
 
 /**
  * Created by lyy on 2017/1/18.
@@ -34,6 +37,26 @@ import org.apache.commons.net.ftp.FTPClient;
  */
 class ConnectionHelp {
 
+  /**
+   * 转换HttpUrlConnect的inputStream流
+   *
+   * @return {@link GZIPInputStream}、{@link InflaterInputStream}
+   * @throws IOException
+   */
+  static InputStream convertInputStream(HttpURLConnection connection) throws IOException {
+    String encoding = connection.getContentEncoding();
+    if (TextUtils.isEmpty(encoding)) {
+      return connection.getInputStream();
+    }
+    if (encoding.contains("gzip")) {
+      return new GZIPInputStream(connection.getInputStream());
+    } else if (encoding.contains("deflate")) {
+      return new InflaterInputStream(connection.getInputStream());
+    } else {
+      return connection.getInputStream();
+    }
+  }
+
   /**
    * 处理链接
    *
@@ -65,12 +88,12 @@ class ConnectionHelp {
    */
   static HttpURLConnection setConnectParam(DownloadTaskEntity entity, HttpURLConnection conn)
       throws ProtocolException {
-    conn.setRequestMethod(entity.requestEnum.name);
+    conn.setRequestMethod(entity.getRequestEnum().name);
     Set<String> keys = null;
-    if (entity.headers != null && entity.headers.size() > 0) {
-      keys = entity.headers.keySet();
+    if (entity.getHeaders() != null && entity.getHeaders().size() > 0) {
+      keys = entity.getHeaders().keySet();
       for (String key : keys) {
-        conn.setRequestProperty(key, entity.headers.get(key));
+        conn.setRequestProperty(key, entity.getHeaders().get(key));
       }
     }
     if (keys == null || !keys.contains("Charset")) {
@@ -86,6 +109,7 @@ class ConnectionHelp {
           .append("image/jpeg, ")
           .append("image/pjpeg, ")
           .append("image/webp, ")
+          .append("image/apng, ")
           .append("application/xml, ")
           .append("application/xaml+xml, ")
           .append("application/xhtml+xml, ")

Aria/src/main/java/com/arialyy/aria/core/download/downloader/DownloadGroupUtil.java

@@ -16,6 +16,7 @@
 package com.arialyy.aria.core.download.downloader;
 
 import android.util.SparseArray;
+import com.arialyy.aria.core.common.CompleteInfo;
 import com.arialyy.aria.core.common.IUtil;
 import com.arialyy.aria.core.common.OnFileInfoCallback;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
@@ -33,6 +34,7 @@ import java.util.concurrent.Executors;
 public class DownloadGroupUtil extends AbsGroupUtil implements IUtil {
   private final String TAG = "DownloadGroupUtil";
   private ExecutorService mInfoPool;
+  private int mInitCompleteNum, mInitFailNum;
 
   /**
    * 文件信息回调组
@@ -42,6 +44,7 @@ public class DownloadGroupUtil extends AbsGroupUtil implements IUtil {
   public DownloadGroupUtil(IDownloadGroupListener listener, DownloadGroupTaskEntity taskEntity) {
     super(listener, taskEntity);
     mInfoPool = Executors.newCachedThreadPool();
+    onPre();
   }
 
   @Override int getTaskType() {
@@ -64,26 +67,28 @@ public class DownloadGroupUtil extends AbsGroupUtil implements IUtil {
 
   @Override protected void onStart() {
     super.onStart();
-    if (mExeMap.size() == 0){
+    if (mCompleteNum == mGroupSize) {
+      mListener.onComplete();
+      return;
+    }
+
+    if (mExeMap.size() == 0) {
       ALog.e(TAG, "任务组无可执行任务");
       mListener.onFail(false);
       return;
     }
     Set<String> keys = mExeMap.keySet();
-    int i = 0;
     for (String key : keys) {
       DownloadTaskEntity taskEntity = mExeMap.get(key);
       if (taskEntity != null) {
         if (taskEntity.getState() != IEntity.STATE_FAIL
             && taskEntity.getState() != IEntity.STATE_WAIT) {
           createChildDownload(taskEntity);
-          i++;
         } else {
           mInfoPool.execute(createFileInfoThread(taskEntity));
         }
       }
     }
-    if (i != 0 && i == mExeMap.size()) startRunningFlow();
     if (mCurrentLocation == mTotalLen) {
       mListener.onComplete();
     }
@@ -99,7 +104,7 @@ public class DownloadGroupUtil extends AbsGroupUtil implements IUtil {
       callback = new OnFileInfoCallback() {
         int failNum = 0;
 
-        @Override public void onComplete(String url, int code) {
+        @Override public void onComplete(String url, CompleteInfo info) {
           DownloadTaskEntity te = mExeMap.get(url);
           if (te != null) {
             if (isNeedLoadFileSize) {
@@ -107,32 +112,32 @@ public class DownloadGroupUtil extends AbsGroupUtil implements IUtil {
             }
             createChildDownload(te);
           }
-          mInitNum++;
-          if (mInitNum + mInitFailNum >= mGTEntity.getEntity().getSubTask().size()
-              || !isNeedLoadFileSize) {
+          mInitCompleteNum ++;
+
+          if (mInitCompleteNum + mInitFailNum >= mGroupSize || !isNeedLoadFileSize) {
             startRunningFlow();
             updateFileSize();
           }
         }
 
         @Override public void onFail(String url, String errorMsg, boolean needRetry) {
+          ALog.e(TAG, "任务【" + url + "】初始化失败。");
           DownloadTaskEntity te = mExeMap.get(url);
           if (te != null) {
             mFailMap.put(url, te);
             mFileInfoCallbacks.put(te.hashCode(), this);
+            mExeMap.remove(url);
           }
           //404链接不重试下载
-          if (failNum < 10 && !errorMsg.contains("错误码：404") && !errorMsg.contains(
-              "UnknownHostException")) {
-            mInfoPool.execute(createFileInfoThread(te));
-          } else {
-            mInitFailNum++;
-            mActualTaskNum--;
-            if (mActualTaskNum < 0) mActualTaskNum = 0;
-          }
-          failNum++;
-          if (mInitNum + mInitFailNum >= mGTEntity.getEntity().getSubTask().size()
-              || !isNeedLoadFileSize) {
+          //if (failNum < 3 && !errorMsg.contains("错误码：404") && !errorMsg.contains(
+          //    "UnknownHostException")) {
+          //  mInfoPool.execute(createFileInfoThread(te));
+          //} else {
+          //  mInitFailNum++;
+          //}
+          //failNum++;
+          mInitFailNum ++;
+          if (mInitCompleteNum + mInitFailNum >= mGroupSize || !isNeedLoadFileSize) {
             startRunningFlow();
             updateFileSize();
           }

Aria/src/main/java/com/arialyy/aria/core/download/downloader/Downloader.java

@@ -44,14 +44,20 @@ class Downloader extends AbsFileer<DownloadEntity, DownloadTaskEntity> {
         AriaManager.getInstance(AriaManager.APP).getDownloadConfig().getUpdateInterval());
   }
 
+  @Override protected int setNewTaskThreadNum() {
+    return mEntity.getFileSize() <= SUB_LEN || mTaskEntity.getRequestType() == AbsTaskEntity.D_FTP_DIR
+        ? 1
+        : AriaManager.getInstance(mContext).getDownloadConfig().getThreadNum();
+  }
+
   @Override protected void checkTask() {
     mConfigFile = new File(CommonUtil.getFileConfigPath(true, mEntity.getFileName()));
     mTempFile = new File(mEntity.getDownloadPath());
-    if (!mTaskEntity.isSupportBP) {
+    if (!mTaskEntity.isSupportBP()) {
       isNewTask = true;
       return;
     }
-    if (mTaskEntity.isNewTask) {
+    if (mTaskEntity.isNewTask()) {
       isNewTask = true;
       return;
     }
@@ -67,20 +73,21 @@ class Downloader extends AbsFileer<DownloadEntity, DownloadTaskEntity> {
     }
   }
 
-  @Override protected void handleNewTask() {
+  @Override protected boolean handleNewTask() {
     CommonUtil.createFile(mTempFile.getPath());
     BufferedRandomAccessFile file = null;
     try {
       file = new BufferedRandomAccessFile(new File(mTempFile.getPath()), "rwd", 8192);
       //设置文件长度
       file.setLength(mEntity.getFileSize());
+      return true;
     } catch (IOException e) {
       failDownload("下载失败【downloadUrl:"
           + mEntity.getUrl()
           + "】\n【filePath:"
           + mEntity.getDownloadPath()
           + "】\n"
-          + CommonUtil.getPrintException(e));
+          + ALog.getExceptionString(e));
     } finally {
       if (file != null) {
         try {
@@ -90,10 +97,11 @@ class Downloader extends AbsFileer<DownloadEntity, DownloadTaskEntity> {
         }
       }
     }
+    return false;
   }
 
   @Override protected AbsThreadTask selectThreadTask(SubThreadConfig<DownloadTaskEntity> config) {
-    switch (mTaskEntity.requestType) {
+    switch (mTaskEntity.getRequestType()) {
       case AbsTaskEntity.D_FTP:
       case AbsTaskEntity.D_FTP_DIR:
         return new FtpThreadTask(mConstance, (IDownloadListener) mListener, config);
@@ -108,6 +116,6 @@ class Downloader extends AbsFileer<DownloadEntity, DownloadTaskEntity> {
     ALog.e(TAG, errorMsg);
     mConstance.isRunning = false;
     mListener.onFail(false);
-    ErrorHelp.saveError("", mEntity, "", errorMsg);
+    ErrorHelp.saveError(TAG, "", errorMsg);
   }
 }

Aria/src/main/java/com/arialyy/aria/core/download/downloader/FtpDirDownloadUtil.java

@@ -15,8 +15,8 @@
  */
 package com.arialyy.aria.core.download.downloader;
 
+import com.arialyy.aria.core.common.CompleteInfo;
 import com.arialyy.aria.core.common.OnFileInfoCallback;
-import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.util.ErrorHelp;
@@ -27,6 +27,8 @@ import java.util.Set;
  * ftp文件夹下载工具
  */
 public class FtpDirDownloadUtil extends AbsGroupUtil {
+  private String TAG = "FtpDirDownloadUtil";
+
   public FtpDirDownloadUtil(IDownloadGroupListener listener, DownloadGroupTaskEntity taskEntity) {
     super(listener, taskEntity);
   }
@@ -38,30 +40,35 @@ public class FtpDirDownloadUtil extends AbsGroupUtil {
   @Override protected void onStart() {
     super.onStart();
     if (mGTEntity.getEntity().getFileSize() > 1) {
+      onPre();
       startDownload();
     } else {
       new FtpDirInfoThread(mGTEntity, new OnFileInfoCallback() {
-        @Override public void onComplete(String url, int code) {
-          if (code >= 200 && code < 300) {
-            for (DownloadEntity entity : mGTEntity.entity.getSubTask()) {
-              mExeMap.put(entity.getUrl(), createChildDownloadTask(entity));
-            }
-            mActualTaskNum = mGTEntity.entity.getSubTask().size();
-            mGroupSize = mActualTaskNum;
-            mTotalLen = mGTEntity.entity.getFileSize();
+        @Override public void onComplete(String url, CompleteInfo info) {
+          if (info.code >= 200 && info.code < 300) {
+            onPre();
             startDownload();
           }
         }
 
         @Override public void onFail(String url, String errorMsg, boolean needRetry) {
+          DownloadTaskEntity te = mExeMap.get(url);
+          if (te != null) {
+            mFailMap.put(url, te);
+            mExeMap.remove(url);
+          }
           mListener.onFail(needRetry);
-          ErrorHelp.saveError("D_FTP_DIR", mGTEntity.getEntity(), "", errorMsg);
+          ErrorHelp.saveError(TAG, "", errorMsg);
         }
       }).start();
     }
   }
 
   private void startDownload() {
+    if (mCompleteNum == mGroupSize) {
+      mListener.onComplete();
+      return;
+    }
     int i = 0;
     Set<String> keys = mExeMap.keySet();
     for (String key : keys) {
@@ -71,6 +78,10 @@ public class FtpDirDownloadUtil extends AbsGroupUtil {
         i++;
       }
     }
-    if (i == mExeMap.size()) startRunningFlow();
+    if (mExeMap.size() == 0) {
+      mListener.onComplete();
+    } else if (i == mExeMap.size()) {
+      startRunningFlow();
+    }
   }
 }

Aria/src/main/java/com/arialyy/aria/core/download/downloader/FtpDirInfoThread.java

@@ -17,10 +17,13 @@ package com.arialyy.aria.core.download.downloader;
 
 import com.arialyy.aria.core.FtpUrlEntity;
 import com.arialyy.aria.core.common.AbsFtpInfoThread;
+import com.arialyy.aria.core.common.CompleteInfo;
 import com.arialyy.aria.core.common.OnFileInfoCallback;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadGroupEntity;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
+import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.util.CommonUtil;
 import java.nio.charset.Charset;
 import java.util.ArrayList;
@@ -37,7 +40,7 @@ class FtpDirInfoThread extends AbsFtpInfoThread<DownloadGroupEntity, DownloadGro
   }
 
   @Override protected String setRemotePath() {
-    return mTaskEntity.urlEntity.remotePath;
+    return mTaskEntity.getUrlEntity().remotePath;
   }
 
   @Override protected void handleFile(String remotePath, FTPFile ftpFile) {
@@ -48,28 +51,43 @@ class FtpDirInfoThread extends AbsFtpInfoThread<DownloadGroupEntity, DownloadGro
   @Override protected void onPreComplete(int code) {
     super.onPreComplete(code);
     mEntity.setFileSize(mSize);
-    mCallback.onComplete(mEntity.getKey(), code);
+    mCallback.onComplete(mEntity.getKey(), new CompleteInfo(code));
   }
 
+  /**
+   * FTP文件夹的子任务实体 在这生成
+   */
   private void addEntity(String remotePath, FTPFile ftpFile) {
-    final FtpUrlEntity urlEntity = mTaskEntity.urlEntity;
+    final FtpUrlEntity urlEntity = mTaskEntity.getUrlEntity().clone();
     DownloadEntity entity = new DownloadEntity();
-    entity.setUrl(urlEntity.protocol + "://" + urlEntity.hostName + ":" + urlEntity.port + remotePath);
+    entity.setUrl(
+        urlEntity.protocol + "://" + urlEntity.hostName + ":" + urlEntity.port + "/" + remotePath);
     entity.setDownloadPath(mEntity.getDirPath() + "/" + remotePath);
     int lastIndex = remotePath.lastIndexOf("/");
     String fileName = lastIndex < 0 ? CommonUtil.keyToHashKey(remotePath)
         : remotePath.substring(lastIndex + 1, remotePath.length());
-    entity.setFileName(new String(fileName.getBytes(), Charset.forName(mTaskEntity.charSet)));
+    entity.setFileName(new String(fileName.getBytes(), Charset.forName(mTaskEntity.getCharSet())));
     entity.setGroupName(mEntity.getGroupName());
     entity.setGroupChild(true);
     entity.setFileSize(ftpFile.getSize());
     entity.insert();
+
+    DownloadTaskEntity taskEntity = new DownloadTaskEntity();
+    taskEntity.setKey(entity.getDownloadPath());
+    taskEntity.setUrl(entity.getUrl());
+    taskEntity.setEntity(entity);
+    taskEntity.setGroupTask(true);
+    taskEntity.setGroupName(mEntity.getGroupName());
+    taskEntity.setRequestType(AbsTaskEntity.D_FTP);
+    urlEntity.url = entity.getUrl();
+    urlEntity.remotePath = remotePath;
+    taskEntity.setUrlEntity(urlEntity);
+    taskEntity.insert();
+
     if (mEntity.getUrls() == null) {
       mEntity.setUrls(new ArrayList<String>());
     }
-    if (mEntity.getSubTask() == null) {
-      mEntity.setSubTasks(new ArrayList<DownloadEntity>());
-    }
-    mEntity.getSubTask().add(entity);
+    mEntity.getSubEntities().add(entity);
+    mTaskEntity.getSubTaskEntities().add(taskEntity);
   }
 }

Aria/src/main/java/com/arialyy/aria/core/download/downloader/FtpFileInfoThread.java

@@ -16,6 +16,7 @@
 package com.arialyy.aria.core.download.downloader;
 
 import com.arialyy.aria.core.common.AbsFtpInfoThread;
+import com.arialyy.aria.core.common.CompleteInfo;
 import com.arialyy.aria.core.common.OnFileInfoCallback;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
@@ -31,15 +32,15 @@ class FtpFileInfoThread extends AbsFtpInfoThread<DownloadEntity, DownloadTaskEnt
   }
 
   @Override protected String setRemotePath() {
-    return mTaskEntity.urlEntity.remotePath;
+    return mTaskEntity.getUrlEntity().remotePath;
   }
 
   @Override protected void onPreComplete(int code) {
     super.onPreComplete(code);
     if (mSize != mTaskEntity.getEntity().getFileSize()) {
-      mTaskEntity.isNewTask = true;
+      mTaskEntity.setNewTask(true);
     }
     mEntity.setFileSize(mSize);
-    mCallback.onComplete(mEntity.getUrl(), code);
+    mCallback.onComplete(mEntity.getUrl(), new CompleteInfo(code));
   }
 }

Aria/src/main/java/com/arialyy/aria/core/download/downloader/FtpThreadTask.java

@@ -34,7 +34,7 @@ import org.apache.commons.net.ftp.FTPReply;
  * Ftp下载任务
  */
 class FtpThreadTask extends AbsFtpThreadTask<DownloadEntity, DownloadTaskEntity> {
-  private final String TAG = "FtpDownloadThreadTask";
+  private final String TAG = "FtpThreadTask";
 
   FtpThreadTask(StateConstance constance, IDownloadListener listener,
       SubThreadConfig<DownloadTaskEntity> downloadInfo) {
@@ -71,7 +71,7 @@ class FtpThreadTask extends AbsFtpThreadTask<DownloadEntity, DownloadTaskEntity>
         return;
       }
       String remotePath =
-          new String(mTaskEntity.urlEntity.remotePath.getBytes(charSet), SERVER_CHARSET);
+          new String(mTaskEntity.getUrlEntity().remotePath.getBytes(charSet), SERVER_CHARSET);
       ALog.i(TAG, "remotePath【" + remotePath + "】");
       is = client.retrieveFileStream(remotePath);
       reply = client.getReplyCode();

Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpFileInfoThread.java

@@ -17,13 +17,17 @@ package com.arialyy.aria.core.download.downloader;
 
 import android.text.TextUtils;
 import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.common.CompleteInfo;
 import com.arialyy.aria.core.common.OnFileInfoCallback;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CheckUtil;
 import com.arialyy.aria.util.CommonUtil;
+import java.io.BufferedReader;
+import java.io.File;
 import java.io.IOException;
+import java.io.InputStreamReader;
 import java.net.HttpURLConnection;
 import java.net.URL;
 import java.net.URLDecoder;
@@ -54,7 +58,7 @@ class HttpFileInfoThread implements Runnable {
       conn = ConnectionHelp.setConnectParam(mTaskEntity, conn);
       conn.setRequestProperty("Range", "bytes=" + 0 + "-");
       conn.setConnectTimeout(mConnectTimeOut);
-      conn.setRequestMethod(mTaskEntity.requestEnum.name);
+      //conn.setChunkedStreamingMode(0);
       conn.connect();
       handleConnect(conn);
     } catch (IOException e) {
@@ -63,7 +67,7 @@ class HttpFileInfoThread implements Runnable {
           + "】\n【filePath:"
           + mEntity.getDownloadPath()
           + "】\n"
-          + CommonUtil.getPrintException(e), true);
+          + ALog.getExceptionString(e), true);
     } finally {
       if (conn != null) {
         conn.disconnect();
@@ -74,62 +78,122 @@ class HttpFileInfoThread implements Runnable {
   private void handleConnect(HttpURLConnection conn) throws IOException {
     long len = conn.getContentLength();
     if (len < 0) {
-      String temp = conn.getHeaderField(mTaskEntity.contentLength);
+      String temp = conn.getHeaderField("Content-Length");
       len = TextUtils.isEmpty(temp) ? -1 : Long.parseLong(temp);
+      // 某些服务，如果设置了conn.setRequestProperty("Range", "bytes=" + 0 + "-");
+      // 会返回 Content-Range: bytes 0-225427911/225427913
+      if (len < 0) {
+        temp = conn.getHeaderField("Content-Range");
+        if (TextUtils.isEmpty(temp)) {
+          len = -1;
+        } else {
+          int start = temp.indexOf("/");
+          len = Long.parseLong(temp.substring(start + 1, temp.length()));
+        }
+      }
     }
     int code = conn.getResponseCode();
-    boolean isComplete = false;
+    boolean end = false;
     if (TextUtils.isEmpty(mEntity.getMd5Code())) {
-      String md5Code = conn.getHeaderField(mTaskEntity.md5Key);
+      String md5Code = conn.getHeaderField("Content-MD5");
       mEntity.setMd5Code(md5Code);
     }
-    String disposition = conn.getHeaderField(mTaskEntity.dispositionKey);
+
+    boolean isChunked = false;
+    final String str = conn.getHeaderField("Transfer-Encoding");
+    if (!TextUtils.isEmpty(str) && str.equals("chunked")) {
+      isChunked = true;
+    }
     //Map<String, List<String>> headers = conn.getHeaderFields();
-    if (!TextUtils.isEmpty(disposition)) {
+    String disposition = conn.getHeaderField("Content-Disposition");
+    if (mTaskEntity.isUseServerFileName() && !TextUtils.isEmpty(disposition)) {
       mEntity.setDisposition(CommonUtil.encryptBASE64(disposition));
-      if (disposition.contains(mTaskEntity.dispositionFileKey)) {
-        String[] infos = disposition.split("=");
-        mEntity.setServerFileName(URLDecoder.decode(infos[1], "utf-8"));
+      if (disposition.contains(";")) {
+        String[] infos = disposition.split(";");
+        for (String info : infos) {
+          if (info.startsWith("filename") && info.contains("=")) {
+            String[] temp = info.split("=");
+            if (temp.length > 1) {
+              String newName = URLDecoder.decode(temp[1], "utf-8");
+              mEntity.setServerFileName(newName);
+              fileRename(newName);
+              break;
+            }
+          }
+        }
       }
     }
 
-    mTaskEntity.code = code;
+    mTaskEntity.setCode(code);
     if (code == HttpURLConnection.HTTP_PARTIAL) {
-      if (!checkLen(len)) return;
+      if (!checkLen(len) && !isChunked) {
+        return;
+      }
       mEntity.setFileSize(len);
-      mTaskEntity.isSupportBP = true;
-      isComplete = true;
+      mTaskEntity.setSupportBP(true);
+      end = true;
     } else if (code == HttpURLConnection.HTTP_OK) {
-      if (!checkLen(len)) return;
+      if (conn.getHeaderField("Content-Type").equals("text/html")) {
+        BufferedReader reader =
+            new BufferedReader(new InputStreamReader(ConnectionHelp.convertInputStream(conn)));
+        StringBuilder sb = new StringBuilder();
+        String line;
+        while ((line = reader.readLine()) != null) {
+          sb.append(line);
+        }
+        reader.close();
+        handleUrlReTurn(conn, CommonUtil.getWindowReplaceUrl(sb.toString()));
+        return;
+      } else if (!checkLen(len) && !isChunked) {
+        return;
+      }
       mEntity.setFileSize(len);
-      mTaskEntity.isSupportBP = false;
-      isComplete = true;
+      mTaskEntity.setSupportBP(false);
+      end = true;
     } else if (code == HttpURLConnection.HTTP_NOT_FOUND) {
       failDownload("任务【" + mEntity.getUrl() + "】下载失败，错误码：404", true);
     } else if (code == HttpURLConnection.HTTP_MOVED_TEMP
         || code == HttpURLConnection.HTTP_MOVED_PERM
         || code == HttpURLConnection.HTTP_SEE_OTHER) {
-      mTaskEntity.redirectUrl = conn.getHeaderField(mTaskEntity.redirectUrlKey);
-      mEntity.setRedirect(true);
-      mEntity.setRedirectUrl(mTaskEntity.redirectUrl);
-      handle302Turn(conn);
+      handleUrlReTurn(conn, conn.getHeaderField("Location"));
     } else {
       failDownload("任务【" + mEntity.getUrl() + "】下载失败，错误码：" + code, true);
     }
-    if (isComplete) {
+    if (end) {
+      mTaskEntity.setChunked(isChunked);
+      mTaskEntity.update();
       if (onFileInfoListener != null) {
-        onFileInfoListener.onComplete(mEntity.getUrl(), code);
+        CompleteInfo info = new CompleteInfo(code);
+        onFileInfoListener.onComplete(mEntity.getUrl(), info);
       }
-      mTaskEntity.update();
     }
   }
 
+  /**
+   * 重命名文件
+   */
+  private void fileRename(String newName) {
+    if (TextUtils.isEmpty(newName)) {
+      ALog.w(TAG, "重命名失败【服务器返回的文件名为空】");
+      return;
+    }
+    File oldFile = new File(mEntity.getDownloadPath());
+    String oldName = oldFile.getName();
+    String newPath = oldFile.getParent() + "/" + newName;
+    if (oldFile.exists()){
+      oldFile.renameTo(new File(newPath));
+    }
+    mEntity.setFileName(newName);
+    mEntity.setDownloadPath(newPath);
+    mTaskEntity.setKey(newPath);
+    CommonUtil.renameDownloadConfig(oldName, newName);
+  }
+
   /**
    * 处理30x跳转
    */
-  private void handle302Turn(HttpURLConnection conn) throws IOException {
-    String newUrl = conn.getHeaderField(mTaskEntity.redirectUrlKey);
-    ALog.d(TAG, "30x跳转，location【 " + mTaskEntity.redirectUrlKey + "】" + "新url为【" + newUrl + "】");
+  private void handleUrlReTurn(HttpURLConnection conn, String newUrl) throws IOException {
+    ALog.d(TAG, "30x跳转，新url为【" + newUrl + "】");
     if (TextUtils.isEmpty(newUrl) || newUrl.equalsIgnoreCase("null") || !newUrl.startsWith(
         "http")) {
       if (onFileInfoListener != null) {
@@ -137,7 +201,13 @@ class HttpFileInfoThread implements Runnable {
       }
       return;
     }
-    newUrl = CheckUtil.checkUrl(newUrl);
+    if (!CheckUtil.checkUrl(newUrl)) {
+      failDownload("下载失败，重定向url错误", false);
+      return;
+    }
+    mTaskEntity.setRedirectUrl(newUrl);
+    mEntity.setRedirect(true);
+    mEntity.setRedirectUrl(newUrl);
     String cookies = conn.getHeaderField("Set-Cookie");
     conn = (HttpURLConnection) new URL(newUrl).openConnection();
     conn = ConnectionHelp.setConnectParam(mTaskEntity, conn);
@@ -157,7 +227,7 @@ class HttpFileInfoThread implements Runnable {
    */
   private boolean checkLen(long len) {
     if (len != mEntity.getFileSize()) {
-      mTaskEntity.isNewTask = true;
+      mTaskEntity.setNewTask(true);
     }
     if (len < 0) {
       failDownload("任务【" + mEntity.getUrl() + "】下载失败，文件长度小于0", true);

Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpThreadTask.java

@@ -27,6 +27,8 @@ import com.arialyy.aria.util.CommonUtil;
 import java.io.BufferedInputStream;
 import java.io.File;
 import java.io.IOException;
+import java.io.InputStream;
+import java.io.RandomAccessFile;
 import java.net.HttpURLConnection;
 import java.net.MalformedURLException;
 import java.net.URL;
@@ -71,49 +73,23 @@ final class HttpThreadTask extends AbsThreadTask<DownloadEntity, DownloadTaskEnt
       conn = ConnectionHelp.setConnectParam(mConfig.TASK_ENTITY, conn);
       conn.setConnectTimeout(STATE.CONNECT_TIME_OUT);
       conn.setReadTimeout(STATE.READ_TIME_OUT);  //设置读取流的等待时间,必须设置该参数
-      //is = conn.getInputStream();
-      is = new BufferedInputStream(conn.getInputStream());
+
+      is = new BufferedInputStream(ConnectionHelp.convertInputStream(conn));
       //创建可设置位置的文件
       file = new BufferedRandomAccessFile(mConfig.TEMP_FILE, "rwd", mBufSize);
       //设置每条线程写入文件的位置
       file.seek(mConfig.START_LOCATION);
-      byte[] buffer = new byte[mBufSize];
-      int len;
-      while ((len = is.read(buffer)) != -1) {
-        if (STATE.isCancel || STATE.isStop){
-          break;
-        }
-        if (mSleepTime > 0) {
-          Thread.sleep(mSleepTime);
-        }
-        file.write(buffer, 0, len);
-        progress(len);
+
+      if (mTaskEntity.isChunked()) {
+        readChunk(is, file);
+      } else {
+        readNormal(is, file);
       }
-      if (STATE.isCancel || STATE.isStop){
+
+      if (STATE.isCancel || STATE.isStop) {
         return;
       }
-      //支持断点的处理
-      if (mConfig.SUPPORT_BP) {
-        ALog.i(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】线程__" + mConfig.THREAD_ID + "__下载完毕");
-        writeConfig(true, 1);
-        STATE.COMPLETE_THREAD_NUM++;
-        if (STATE.isComplete()) {
-          File configFile = new File(mConfigFPath);
-          if (configFile.exists()) {
-            configFile.delete();
-          }
-          STATE.isRunning = false;
-          mListener.onComplete();
-        }
-        if (STATE.isFail()){
-          STATE.isRunning = false;
-          mListener.onFail(false);
-        }
-      } else {
-        ALog.i(TAG, "任务下载完成");
-        STATE.isRunning = false;
-        mListener.onComplete();
-      }
+      handleComplete();
     } catch (MalformedURLException e) {
       fail(mChildCurrentLocation, "下载链接异常", e);
     } catch (IOException e) {
@@ -137,6 +113,69 @@ final class HttpThreadTask extends AbsThreadTask<DownloadEntity, DownloadTaskEnt
     }
   }
 
+  /**
+   * 读取chunk模式的文件流
+   *
+   * @deprecated 暂时先这样处理，无chun
+   */
+  private void readChunk(InputStream is, RandomAccessFile file)
+      throws IOException, InterruptedException {
+    readNormal(is, file);
+  }
+
+  /**
+   * 读取普通的文件流
+   */
+  private void readNormal(InputStream is, RandomAccessFile file)
+      throws IOException, InterruptedException {
+    byte[] buffer = new byte[mBufSize];
+    int len;
+    while ((len = is.read(buffer)) != -1) {
+      if (STATE.isCancel || STATE.isStop) {
+        break;
+      }
+      if (mSleepTime > 0) {
+        Thread.sleep(mSleepTime);
+      }
+      file.write(buffer, 0, len);
+      progress(len);
+    }
+  }
+
+  /**
+   * 处理完成配置文件的更新或事件回调
+   *
+   * @throws IOException
+   */
+  private void handleComplete() throws IOException {
+    //支持断点的处理
+    if (mConfig.SUPPORT_BP) {
+      if (mChildCurrentLocation == mConfig.END_LOCATION) {
+        ALog.i(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】线程__" + mConfig.THREAD_ID + "__下载完毕");
+        writeConfig(true, 1);
+        STATE.COMPLETE_THREAD_NUM++;
+        if (STATE.isComplete()) {
+          File configFile = new File(mConfigFPath);
+          if (configFile.exists()) {
+            configFile.delete();
+          }
+          STATE.isRunning = false;
+          mListener.onComplete();
+        }
+      } else {
+        STATE.FAIL_NUM++;
+      }
+      if (STATE.isFail()) {
+        STATE.isRunning = false;
+        mListener.onFail(false);
+      }
+    } else {
+      ALog.i(TAG, "任务下载完成");
+      STATE.isRunning = false;
+      mListener.onComplete();
+    }
+  }
+
   @Override protected String getTaskType() {
     return "HTTP_DOWNLOAD";
   }

Aria/src/main/java/com/arialyy/aria/core/download/downloader/SimpleDownloadUtil.java

@@ -16,6 +16,7 @@
 
 package com.arialyy.aria.core.download.downloader;
 
+import com.arialyy.aria.core.common.CompleteInfo;
 import com.arialyy.aria.core.common.IUtil;
 import com.arialyy.aria.core.common.OnFileInfoCallback;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
@@ -28,7 +29,7 @@ import com.arialyy.aria.util.ErrorHelp;
  * D_HTTP\FTP单任务下载工具
  */
 public class SimpleDownloadUtil implements IUtil, Runnable {
-  private static final String TAG = "SimpleDownloadUtil";
+  private String TAG = "SimpleDownloadUtil";
   private IDownloadListener mListener;
   private Downloader mDownloader;
   private DownloadTaskEntity mTaskEntity;
@@ -85,14 +86,14 @@ public class SimpleDownloadUtil implements IUtil, Runnable {
 
   private void failDownload(String msg, boolean needRetry) {
     mListener.onFail(needRetry);
-    ErrorHelp.saveError("HTTP_DOWNLOAD", mTaskEntity.getEntity(), msg, "");
+    ErrorHelp.saveError(TAG, msg, "");
   }
 
   @Override public void run() {
     mListener.onPre();
     if (mTaskEntity.getEntity().getFileSize() <= 1
-        || mTaskEntity.refreshInfo
-        || mTaskEntity.requestType == AbsTaskEntity.D_FTP) {
+        || mTaskEntity.isRefreshInfo()
+        || mTaskEntity.getRequestType() == AbsTaskEntity.D_FTP) {
       new Thread(createInfoThread()).start();
     } else {
       mDownloader.start();
@@ -103,10 +104,10 @@ public class SimpleDownloadUtil implements IUtil, Runnable {
    * 通过链接类型创建不同的获取文件信息的线程
    */
   private Runnable createInfoThread() {
-    switch (mTaskEntity.requestType) {
+    switch (mTaskEntity.getRequestType()) {
       case AbsTaskEntity.D_FTP:
         return new FtpFileInfoThread(mTaskEntity, new OnFileInfoCallback() {
-          @Override public void onComplete(String url, int code) {
+          @Override public void onComplete(String url, CompleteInfo info) {
             mDownloader.start();
           }
 
@@ -116,7 +117,7 @@ public class SimpleDownloadUtil implements IUtil, Runnable {
         });
       case AbsTaskEntity.D_HTTP:
         return new HttpFileInfoThread(mTaskEntity, new OnFileInfoCallback() {
-          @Override public void onComplete(String url, int code) {
+          @Override public void onComplete(String url, CompleteInfo info) {
             mDownloader.start();
           }
 

Aria/src/main/java/com/arialyy/aria/core/download/wrapper/DGEWrapper.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download.wrapper;
+
+import com.arialyy.aria.core.download.DownloadEntity;
+import com.arialyy.aria.core.download.DownloadGroupEntity;
+import com.arialyy.aria.orm.AbsWrapper;
+import com.arialyy.aria.orm.annotation.Many;
+import com.arialyy.aria.orm.annotation.One;
+import com.arialyy.aria.orm.annotation.Wrapper;
+import java.util.List;
+
+/**
+ * Created by laoyuyu on 2018/3/30.
+ * 任务组实体和子任务实体的关系
+ */
+@Wrapper
+public class DGEWrapper extends AbsWrapper {
+
+  @One
+  public DownloadGroupEntity groupEntity;
+
+  @Many(parentColumn = "groupName", entityColumn = "groupName")
+  public List<DownloadEntity> subEntity;
+
+  @Override protected void handleConvert() {
+    if (subEntity != null && !subEntity.isEmpty()) {
+      groupEntity.setSubEntities(subEntity);
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/download/wrapper/DGSTEWrapper.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download.wrapper;
+
+import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
+import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.orm.AbsWrapper;
+import com.arialyy.aria.orm.annotation.Many;
+import com.arialyy.aria.orm.annotation.One;
+import com.arialyy.aria.orm.annotation.Wrapper;
+import java.util.List;
+
+/**
+ * Created by laoyuyu on 2018/4/11.
+ * 任务组任务实体和任务组任务实体的子任务实体对应关系
+ */
+@Wrapper
+public class DGSTEWrapper extends AbsWrapper {
+
+  @One
+  public DownloadGroupTaskEntity dgTaskEntity;
+
+  @Many(parentColumn = "key", entityColumn = "groupName")
+  public List<DownloadTaskEntity> subTaskEntity;
+
+  @Override protected void handleConvert() {
+    if (subTaskEntity != null && !subTaskEntity.isEmpty()) {
+      dgTaskEntity.setSubTaskEntities(subTaskEntity);
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/download/wrapper/DGTEWrapper.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download.wrapper;
+
+import com.arialyy.aria.core.download.DownloadGroupEntity;
+import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
+import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.orm.AbsWrapper;
+import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.orm.annotation.Many;
+import com.arialyy.aria.orm.annotation.One;
+import com.arialyy.aria.orm.annotation.Wrapper;
+import com.arialyy.aria.util.CommonUtil;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by laoyuyu on 2018/3/30.
+ * 任务组实体和任务组任务实体的关系
+ */
+@Wrapper
+public class DGTEWrapper extends AbsWrapper {
+
+  @One
+  public DownloadGroupEntity entity;
+
+  @Many(parentColumn = "groupName", entityColumn = "key")
+  private List<DownloadGroupTaskEntity> taskEntitys;
+
+  public DownloadGroupTaskEntity taskEntity;
+
+  @Override protected void handleConvert() {
+    taskEntity = (taskEntitys == null || taskEntitys.isEmpty()) ? null : taskEntitys.get(0);
+    if (taskEntity != null) {
+      taskEntity.setEntity(entity);
+      List<DTEWrapper> subWrappers =
+          DbEntity.findRelationData(DTEWrapper.class, "DownloadTaskEntity.groupName=?",
+              taskEntity.getKey());
+      if (subWrappers != null && !subWrappers.isEmpty()) {
+        List<DownloadTaskEntity> temp = new ArrayList<>();
+        for (DTEWrapper dw : subWrappers) {
+          if (dw.taskEntity.getRequestType() == AbsTaskEntity.D_FTP) {
+            dw.taskEntity.setUrlEntity(CommonUtil.getFtpUrlInfo(dw.taskEntity.getUrl()));
+          }
+          temp.add(dw.taskEntity);
+        }
+        taskEntity.setSubTaskEntities(temp);
+      }
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/download/wrapper/DTEWrapper.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download.wrapper;
+
+import com.arialyy.aria.core.download.DownloadEntity;
+import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.orm.AbsWrapper;
+import com.arialyy.aria.orm.annotation.Many;
+import com.arialyy.aria.orm.annotation.One;
+import com.arialyy.aria.orm.annotation.Wrapper;
+import java.util.List;
+
+/**
+ * Created by laoyuyu on 2018/3/30.
+ */
+@Wrapper
+public class DTEWrapper extends AbsWrapper {
+
+  @One
+  public DownloadEntity entity;
+
+  @Many(parentColumn = "downloadPath", entityColumn = "key")
+  private List<DownloadTaskEntity> taskEntitys = null;
+
+  public DownloadTaskEntity taskEntity;
+
+  @Override public void handleConvert() {
+    taskEntity = (taskEntitys == null || taskEntitys.isEmpty()) ? null : taskEntitys.get(0);
+    if (taskEntity != null) {
+      taskEntity.setEntity(entity);
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/inf/AbsDownloadTarget.java

@@ -1,151 +0,0 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.arialyy.aria.core.inf;
-
-import android.text.TextUtils;
-import com.arialyy.aria.core.AriaManager;
-import com.arialyy.aria.core.command.normal.NormalCmdFactory;
-import com.arialyy.aria.core.download.DownloadEntity;
-import com.arialyy.aria.util.ALog;
-import com.arialyy.aria.util.CommonUtil;
-
-/**
- * Created by lyy on 2017/2/28.
- */
-public abstract class AbsDownloadTarget<TARGET extends AbsTarget, ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity>
-    extends AbsTarget<TARGET, ENTITY, TASK_ENTITY> {
-
-  /**
-   * 如果你的下载链接的header中含有md5码信息，那么你可以通过设置key，来获取从header获取该md5码信息。
-   * key默认值为：Content-MD5
-   * 获取md5信息：{@link DownloadEntity#getMd5Code()}
-   */
-  public TARGET setHeaderMd5Key(String md5Key) {
-    if (TextUtils.isEmpty(md5Key)) return (TARGET) this;
-    mTaskEntity.md5Key = md5Key;
-    if (TextUtils.isEmpty(mTaskEntity.md5Key) || !mTaskEntity.md5Key.equals(md5Key)) {
-      mTaskEntity.update();
-    }
-    return (TARGET) this;
-  }
-
-  /**
-   * 如果你的文件长度是放在header中，那么你需要配置key来让Aria知道正确的文件长度
-   * key默认值为：Content-Length
-   */
-  public TARGET setHeaderContentLengthKey(String contentLength) {
-    if (TextUtils.isEmpty(contentLength)) return (TARGET) this;
-    mTaskEntity.contentLength = contentLength;
-    if (TextUtils.isEmpty(mTaskEntity.contentLength) || !mTaskEntity.contentLength.equals(
-        contentLength)) {
-      mTaskEntity.update();
-    }
-    return (TARGET) this;
-  }
-
-  /**
-   * 如果你的下载链接的header中含有文件描述信息，那么你可以通过设置key，来获取从header获取该文件描述信息。
-   * key默认值为：Content-Disposition
-   * 获取文件描述信息：{@link DownloadEntity#getDisposition()}
-   */
-  public TARGET setHeaderDispositionKey(String dispositionKey) {
-    if (TextUtils.isEmpty(dispositionKey)) return (TARGET) this;
-    mTaskEntity.dispositionKey = dispositionKey;
-    if (TextUtils.isEmpty(mTaskEntity.dispositionKey) || !mTaskEntity.dispositionKey.equals(
-        dispositionKey)) {
-      mTaskEntity.save();
-    }
-    return (TARGET) this;
-  }
-
-  /**
-   * 从文件描述信息{@link #setHeaderDispositionKey(String)}中含有文件名信息，你可以通过设置key来获取header中的文件名
-   * key默认值为：attachment;filename
-   * 获取文件名信息：{@link DownloadEntity#getServerFileName()}
-   */
-  public TARGET setHeaderDispositionFileKey(String dispositionFileKey) {
-    if (TextUtils.isEmpty(dispositionFileKey)) return (TARGET) this;
-    mTaskEntity.dispositionFileKey = dispositionFileKey;
-    if (TextUtils.isEmpty(mTaskEntity.dispositionFileKey) || !mTaskEntity.dispositionFileKey.equals(
-        dispositionFileKey)) {
-      mTaskEntity.save();
-    }
-    return (TARGET) this;
-  }
-
-  /**
-   * 将任务设置为最高优先级任务，最高优先级任务有以下特点：
-   * 1、在下载队列中，有且只有一个最高优先级任务
-   * 2、最高优先级任务会一直存在，直到用户手动暂停或任务完成
-   * 3、任务调度器不会暂停最高优先级任务
-   * 4、用户手动暂停或任务完成后，第二次重新执行该任务，该命令将失效
-   * 5、如果下载队列中已经满了，则会停止队尾的任务，当高优先级任务完成后，该队尾任务将自动执行
-   * 6、把任务设置为最高优先级任务后，将自动执行任务，不需要重新调用start()启动任务
-   */
-  protected void setHighestPriority() {
-    AriaManager.getInstance(AriaManager.APP)
-        .setCmd(CommonUtil.createNormalCmd(mTargetName, mTaskEntity,
-            NormalCmdFactory.TASK_HIGHEST_PRIORITY, checkTaskType()))
-        .exe();
-  }
-
-  /**
-   * 重定向后，新url的key，默认为location
-   */
-  public void setRedirectUrlKey(String redirectUrlKey) {
-    if (TextUtils.isEmpty(redirectUrlKey)) {
-      ALog.e("AbsDownloadTarget", "重定向后，新url的key不能为null");
-      return;
-    }
-    mTaskEntity.redirectUrlKey = redirectUrlKey;
-  }
-
-  /**
-   * 获取任务文件大小
-   *
-   * @return 文件大小
-   */
-  public long getFileSize() {
-    return getSize();
-  }
-
-  /**
-   * 获取单位转换后的文件大小
-   *
-   * @return 文件大小{@code xxx mb}
-   */
-  public String getConvertFileSize() {
-    return getConvertSize();
-  }
-
-  /**
-   * 添加任务
-   */
-  public void add() {
-    AriaManager.getInstance(AriaManager.APP)
-        .setCmd(CommonUtil.createNormalCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_CREATE,
-            checkTaskType()))
-        .exe();
-  }
-
-  /**
-   * 重新下载
-   */
-  public void reStart() {
-    cancel();
-    start();
-  }
-}

Aria/src/main/java/com/arialyy/aria/core/inf/AbsEntity.java

@@ -18,7 +18,7 @@ package com.arialyy.aria.core.inf;
 import android.os.Parcel;
 import android.os.Parcelable;
 import com.arialyy.aria.orm.DbEntity;
-import com.arialyy.aria.orm.Ignore;
+import com.arialyy.aria.orm.annotation.Ignore;
 
 /**
  * Created by AriaL on 2017/6/29.
@@ -31,7 +31,7 @@ public abstract class AbsEntity extends DbEntity implements IEntity, Parcelable
   /**
    * 单位转换后的速度
    */
-  @Ignore private String convertSpeed = "";
+  @Ignore private String convertSpeed;
   /**
    * 下载失败计数，每次开始都重置为0
    */
@@ -40,7 +40,7 @@ public abstract class AbsEntity extends DbEntity implements IEntity, Parcelable
   /**
    * 扩展字段
    */
-  private String str = "";
+  private String str;
   /**
    * 文件大小
    */
@@ -48,7 +48,7 @@ public abstract class AbsEntity extends DbEntity implements IEntity, Parcelable
   /**
    * 转换后的文件大小
    */
-  private String convertFileSize = "";
+  private String convertFileSize;
 
   private int state = STATE_WAIT;
   /**

Aria/src/main/java/com/arialyy/aria/core/inf/AbsGroupEntity.java

@@ -17,10 +17,7 @@ package com.arialyy.aria.core.inf;
 
 import android.os.Parcel;
 import android.os.Parcelable;
-import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
-import com.arialyy.aria.orm.Foreign;
-import com.arialyy.aria.orm.NormalList;
-import com.arialyy.aria.orm.Primary;
+import com.arialyy.aria.orm.annotation.Primary;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -29,20 +26,16 @@ import java.util.List;
  */
 public abstract class AbsGroupEntity extends AbsEntity implements Parcelable {
   /**
-   * 组名，组名为任务地址相加的urlMd5
+   * 组名，组名为任务地址相加的url的Md5
    */
-  @Primary @Foreign(table = DownloadGroupTaskEntity.class, column = "key") protected String
-      groupName = "";
+  @Primary protected String groupName;
 
   /**
    * 任务组别名
    */
-  private String alias = "";
+  private String alias;
 
-  /**
-   * 子任务链接组
-   */
-  @NormalList(clazz = String.class) private List<String> urls = new ArrayList<>();
+  private List<String> urls = new ArrayList<>();
 
   public List<String> getUrls() {
     return urls;

Aria/src/main/java/com/arialyy/aria/core/inf/AbsNormalEntity.java

@@ -17,8 +17,6 @@ package com.arialyy.aria.core.inf;
 
 import android.os.Parcel;
 import android.os.Parcelable;
-import com.arialyy.aria.orm.DbEntity;
-import com.arialyy.aria.orm.Ignore;
 
 /**
  * Created by AriaL on 2017/6/3.
@@ -28,12 +26,12 @@ public abstract class AbsNormalEntity extends AbsEntity implements Parcelable {
   /**
    * 服务器地址
    */
-  private String url = "";
+  private String url;
 
   /**
    * 文件名
    */
-  private String fileName = "";
+  private String fileName;
 
   /**
    * 是否是任务组里面的下载实体
@@ -41,7 +39,7 @@ public abstract class AbsNormalEntity extends AbsEntity implements Parcelable {
   private boolean isGroupChild = false;
 
   private boolean isRedirect = false; //是否重定向
-  private String redirectUrl = ""; //重定向链接
+  private String redirectUrl; //重定向链接
 
   public String getUrl() {
     return url;

Aria/src/main/java/com/arialyy/aria/core/inf/AbsTarget.java

@@ -15,13 +15,11 @@
  */
 package com.arialyy.aria.core.inf;
 
-import android.support.annotation.NonNull;
 import android.text.TextUtils;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.command.ICmd;
 import com.arialyy.aria.core.command.normal.CancelCmd;
 import com.arialyy.aria.core.command.normal.NormalCmdFactory;
-import com.arialyy.aria.core.common.RequestEnum;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.manager.TEManager;
@@ -30,25 +28,29 @@ import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Map;
-import java.util.Set;
 
 /**
  * Created by AriaL on 2017/7/3.
  */
 public abstract class AbsTarget<TARGET extends AbsTarget, ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity>
     implements ITarget<TARGET> {
+  protected String TAG = "";
   protected ENTITY mEntity;
   protected TASK_ENTITY mTaskEntity;
   protected String mTargetName;
 
+  protected AbsTarget() {
+    TAG = CommonUtil.getClassName(this);
+  }
+
   /**
-   * 重置下载状态，将任务状态设置为未开始状态
+   * 重置状态，将任务状态设置为未开始状态
+   * 注意：如果在后续方法调用链中没有调用 {@link #start()}、{@link #stop()}、{@link #cancel()}、{@link #resume()}
+   * 等操作任务的方法，那么你需要调用{@link #save()}才能将修改保存到数据库
    */
   public TARGET resetState() {
     mTaskEntity.getEntity().setState(IEntity.STATE_WAIT);
-    mTaskEntity.refreshInfo = true;
-    mTaskEntity.update();
+    mTaskEntity.setRefreshInfo(true);
     return (TARGET) this;
   }
 
@@ -60,32 +62,17 @@ public abstract class AbsTarget<TARGET extends AbsTarget, ENTITY extends AbsEnti
       ALog.d("AbsTarget", "任务正在下载，即将删除任务");
       cancel();
     } else {
-      mTaskEntity.deleteData();
+      mEntity.deleteData();
       TEManager.getInstance().removeTEntity(mEntity.getKey());
     }
   }
 
-  /**
-   * 任务是否在执行
-   *
-   * @return {@code true} 任务正在执行
-   */
-  public boolean isRunning() {
-    return false;
-  }
-
-  /**
-   * 任务是否存在
-   */
-  public boolean taskExists() {
-    return false;
-  }
-
   /**
    * 获取任务进度，如果任务存在，则返回当前进度
    *
    * @return 该任务进度
    */
+  @Override
   public long getCurrentProgress() {
     return mEntity == null ? -1 : mEntity.getCurrentProgress();
   }
@@ -110,6 +97,8 @@ public abstract class AbsTarget<TARGET extends AbsTarget, ENTITY extends AbsEnti
 
   /**
    * 设置扩展字段，用来保存你的其它数据，如果你的数据比较多，你可以把你的数据转换为JSON字符串，然后再存到Aria中
+   * 注意：如果在后续方法调用链中没有调用 {@link #start()}、{@link #stop()}、{@link #cancel()}、{@link #resume()}
+   * 等操作任务的方法，那么你需要调用{@link #save()}才能将修改保存到数据库
    *
    * @param str 扩展数据
    */
@@ -117,8 +106,10 @@ public abstract class AbsTarget<TARGET extends AbsTarget, ENTITY extends AbsEnti
     if (TextUtils.isEmpty(str)) return (TARGET) this;
     if (TextUtils.isEmpty(mEntity.getStr()) || !mEntity.getStr().equals(str)) {
       mEntity.setStr(str);
-      mEntity.save();
+    } else {
+      ALog.e(TAG, "设置扩展字段失败，扩展字段为null");
     }
+
     return (TARGET) this;
   }
 
@@ -135,6 +126,7 @@ public abstract class AbsTarget<TARGET extends AbsTarget, ENTITY extends AbsEnti
    *
    * @return {@link IEntity}
    */
+  @Override
   public int getTaskState() {
     return mEntity.getState();
   }
@@ -156,86 +148,43 @@ public abstract class AbsTarget<TARGET extends AbsTarget, ENTITY extends AbsEnti
   }
 
   /**
-   * 给url请求添加头部
+   * 检查实体是否合法，如果实体合法，将保存实体到数据库，或更新数据库中的实体对象
    *
-   * @param key 头部key
-   * @param header 头部value
+   * @return {@code true} 合法
    */
-  public TARGET addHeader(@NonNull String key, @NonNull String header) {
-    return addHeader(key, header, false);
-  }
+  protected abstract boolean checkEntity();
 
-  /**
-   * 给url请求添加头部
-   *
-   * @param key 头部key
-   * @param header 头部value
-   * @param refreshHeader 更新数据库中保存的头部信息
-   */
-  public TARGET addHeader(@NonNull String key, @NonNull String header, boolean refreshHeader) {
-    mTaskEntity.headers.put(key, header);
-    if (refreshHeader) {
-      mTaskEntity.update();
+  protected int checkTaskType() {
+    int taskType = 0;
+    if (mTaskEntity instanceof DownloadTaskEntity) {
+      taskType = ICmd.TASK_TYPE_DOWNLOAD;
+    } else if (mTaskEntity instanceof DownloadGroupTaskEntity) {
+      taskType = ICmd.TASK_TYPE_DOWNLOAD_GROUP;
+    } else if (mTaskEntity instanceof UploadTaskEntity) {
+      taskType = ICmd.TASK_TYPE_UPLOAD;
     }
-    return (TARGET) this;
+    return taskType;
   }
 
   /**
-   * 给url请求添加头部
+   * 保存修改
    */
-  public TARGET addHeaders(Map<String, String> headers) {
-    return addHeaders(headers, false);
-  }
-
-  /**
-   * 给url请求添加头部
-   *
-   * @param refreshHeader 更新数据库中保存的头部信息
-   */
-  public TARGET addHeaders(Map<String, String> headers, boolean refreshHeader) {
-    if (headers != null && headers.size() > 0) {
-      Set<String> keys = headers.keySet();
-      for (String key : keys) {
-        mTaskEntity.headers.put(key, headers.get(key));
-      }
-    }
-    if (refreshHeader) {
-      mTaskEntity.update();
+  public void save() {
+    if (!checkEntity()) {
+      ALog.e(TAG, "保存修改失败");
     }
-    return (TARGET) this;
-  }
-
-  /**
-   * 设置请求类型，POST或GET，默认为在GET
-   * 只试用于HTTP请求
-   *
-   * @param requestEnum {@link RequestEnum}
-   */
-  public TARGET setRequestMode(RequestEnum requestEnum) {
-    mTaskEntity.requestEnum = requestEnum;
-    return (TARGET) this;
   }
 
   /**
    * 开始任务
    */
   @Override public void start() {
-    AriaManager.getInstance(AriaManager.APP)
-        .setCmd(CommonUtil.createNormalCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_START,
-            checkTaskType()))
-        .exe();
-  }
-
-  protected int checkTaskType() {
-    int taskType = 0;
-    if (mTaskEntity instanceof DownloadTaskEntity) {
-      taskType = ICmd.TASK_TYPE_DOWNLOAD;
-    } else if (mTaskEntity instanceof DownloadGroupTaskEntity) {
-      taskType = ICmd.TASK_TYPE_DOWNLOAD_GROUP;
-    } else if (mTaskEntity instanceof UploadTaskEntity) {
-      taskType = ICmd.TASK_TYPE_UPLOAD;
+    if (checkEntity()) {
+      AriaManager.getInstance(AriaManager.APP)
+          .setCmd(CommonUtil.createNormalCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_START,
+              checkTaskType()))
+          .exe();
     }
-    return taskType;
   }
 
   /**
@@ -244,47 +193,58 @@ public abstract class AbsTarget<TARGET extends AbsTarget, ENTITY extends AbsEnti
    * @see #stop()
    */
   @Deprecated public void pause() {
-    stop();
+    if (checkEntity()) {
+      stop();
+    }
   }
 
   @Override public void stop() {
-    AriaManager.getInstance(AriaManager.APP)
-        .setCmd(CommonUtil.createNormalCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_STOP,
-            checkTaskType()))
-        .exe();
+    if (checkEntity()) {
+      AriaManager.getInstance(AriaManager.APP)
+          .setCmd(CommonUtil.createNormalCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_STOP,
+              checkTaskType()))
+          .exe();
+    }
   }
 
   /**
    * 恢复任务
    */
   @Override public void resume() {
-    AriaManager.getInstance(AriaManager.APP)
-        .setCmd(CommonUtil.createNormalCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_START,
-            checkTaskType()))
-        .exe();
+    if (checkEntity()) {
+      AriaManager.getInstance(AriaManager.APP)
+          .setCmd(CommonUtil.createNormalCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_START,
+              checkTaskType()))
+          .exe();
+    }
   }
 
   /**
    * 删除任务
    */
   @Override public void cancel() {
-    AriaManager.getInstance(AriaManager.APP)
-        .setCmd(CommonUtil.createNormalCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_CANCEL,
-            checkTaskType()))
-        .exe();
+    if (checkEntity()) {
+      AriaManager.getInstance(AriaManager.APP)
+          .setCmd(CommonUtil.createNormalCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_CANCEL,
+              checkTaskType()))
+          .exe();
+    }
   }
 
   /**
-   * 重试下载
+   * 任务重试
    */
   public void reTry() {
-    List<ICmd> cmds = new ArrayList<>();
-    int taskType = checkTaskType();
-    cmds.add(
-        CommonUtil.createNormalCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_STOP, taskType));
-    cmds.add(CommonUtil.createNormalCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_START,
-        taskType));
-    AriaManager.getInstance(AriaManager.APP).setCmds(cmds).exe();
+    if (checkEntity()) {
+      List<ICmd> cmds = new ArrayList<>();
+      int taskType = checkTaskType();
+      cmds.add(
+          CommonUtil.createNormalCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_STOP,
+              taskType));
+      cmds.add(CommonUtil.createNormalCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_START,
+          taskType));
+      AriaManager.getInstance(AriaManager.APP).setCmds(cmds).exe();
+    }
   }
 
   /**
@@ -294,35 +254,21 @@ public abstract class AbsTarget<TARGET extends AbsTarget, ENTITY extends AbsEnti
    * {@code false}如果任务已经完成，只删除任务数据库记录，
    */
   public void cancel(boolean removeFile) {
-    CancelCmd cancelCmd = (CancelCmd) CommonUtil.createNormalCmd(mTargetName, mTaskEntity,
-        NormalCmdFactory.TASK_CANCEL, checkTaskType());
-    cancelCmd.removeFile = removeFile;
-    AriaManager.getInstance(AriaManager.APP).setCmd(cancelCmd).exe();
+    if (checkEntity()) {
+      CancelCmd cancelCmd = (CancelCmd) CommonUtil.createNormalCmd(mTargetName, mTaskEntity,
+          NormalCmdFactory.TASK_CANCEL, checkTaskType());
+      cancelCmd.removeFile = removeFile;
+      AriaManager.getInstance(AriaManager.APP).setCmd(cancelCmd).exe();
+    }
   }
 
   /**
-   * 创建文件名，如果url链接有后缀名，则使用url中的后缀名
-   *
-   * @return url 的 hashKey
+   * 重新下载
    */
-  protected String createFileName(String url) {
-    int end = url.indexOf("?");
-    String tempUrl, fileName = "";
-    if (end > 0) {
-      tempUrl = url.substring(0, end);
-      int tempEnd = tempUrl.lastIndexOf("/");
-      if (tempEnd > 0) {
-        fileName = tempUrl.substring(tempEnd + 1, tempUrl.length());
-      }
-    } else {
-      int tempEnd = url.lastIndexOf("/");
-      if (tempEnd > 0) {
-        fileName = url.substring(tempEnd + 1, url.length());
-      }
-    }
-    if (TextUtils.isEmpty(fileName)) {
-      fileName = CommonUtil.keyToHashKey(url);
+  public void reStart() {
+    if (checkEntity()) {
+      cancel();
+      start();
     }
-    return fileName;
   }
 }

Aria/src/main/java/com/arialyy/aria/core/inf/AbsTaskEntity.java

@@ -18,8 +18,7 @@ package com.arialyy.aria.core.inf;
 import com.arialyy.aria.core.FtpUrlEntity;
 import com.arialyy.aria.core.common.RequestEnum;
 import com.arialyy.aria.orm.DbEntity;
-import com.arialyy.aria.orm.Ignore;
-import com.arialyy.aria.orm.Primary;
+import com.arialyy.aria.orm.annotation.Ignore;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -55,103 +54,75 @@ public abstract class AbsTaskEntity<ENTITY extends AbsEntity> extends DbEntity {
    */
   public static final int U_FTP = 0xA2;
 
-  /**
-   * Task实体对应的key
-   */
-  @Primary public String key = "";
-
   /**
    * 账号和密码
    */
-  @Ignore public FtpUrlEntity urlEntity;
+  @Ignore private FtpUrlEntity urlEntity;
 
   /**
    * 刷新信息 {@code true} 重新刷新下载信息
    */
-  @Ignore public boolean refreshInfo = false;
+  @Ignore private boolean refreshInfo = false;
 
   /**
    * 是否是新任务，{@code true} 新任务
    */
-  @Ignore public boolean isNewTask = false;
+  @Ignore private boolean isNewTask = false;
 
   /**
    * 任务状态，和Entity的state同步
    */
-  public int state = IEntity.STATE_WAIT;
+  private int state = IEntity.STATE_WAIT;
 
   /**
    * 请求类型
    * {@link AbsTaskEntity#D_HTTP}、{@link AbsTaskEntity#D_FTP}、{@link AbsTaskEntity#D_FTP_DIR}。。。
    */
-  public int requestType = D_HTTP;
+  private int requestType = D_HTTP;
 
   /**
    * http 请求头
    */
-  public Map<String, String> headers = new HashMap<>();
+  private Map<String, String> headers = new HashMap<>();
 
   /**
    * 字符编码，默认为"utf-8"
    */
-  public String charSet = "utf-8";
+  private String charSet = "utf-8";
 
   /**
    * 网络请求类型
    */
-  public RequestEnum requestEnum = RequestEnum.GET;
+  private RequestEnum requestEnum = RequestEnum.GET;
 
   /**
-   * 从header中含有的文件md5码信息所需要的key
-   */
-  public String md5Key = "Content-MD5";
-
-  /**
-   * 是否使用服务器通过content-disposition传递的文件名，内容格式{@code attachment;filename=***}
+   * 是否使用服务器通过content-disposition传递的文件名，内容格式{@code attachment; filename="filename.jpg"}
    * {@code true} 使用
    */
-  public boolean useServerFileName = false;
-
-  /**
-   * 从header中获取文件描述信息所需要的key
-   */
-  public String dispositionKey = "Content-Disposition";
-
-  /**
-   * 重定向后，从header中获取新url所需要的key
-   */
-  public String redirectUrlKey = "location";
-
-  /**
-   * 从Disposition获取的文件名说需要的key
-   */
-  public String dispositionFileKey = "attachment;filename";
-
-  /**
-   * 从header中含有的文件长度信息所需要的key
-   */
-  public String contentLength = "Content-Length";
+  private boolean useServerFileName = false;
 
   /**
    * 重定向链接
    */
-  public String redirectUrl = "";
+  private String redirectUrl = "";
 
   /**
+   * 删除任务时，是否删除已下载完成的文件
+   * 未完成的任务，不管true还是false，都会删除文件
    * {@code true}  删除任务数据库记录，并且删除已经下载完成的文件
    * {@code false} 如果任务已经完成，只删除任务数据库记录
    */
-  @Ignore public boolean removeFile = false;
+  @Ignore private boolean removeFile = false;
 
   /**
    * 是否支持断点, {@code true} 为支持断点
    */
-  public boolean isSupportBP = true;
+  private boolean isSupportBP = true;
 
   /**
    * 状态码
    */
-  public int code;
+  private int code;
 
   public abstract ENTITY getEntity();
 
@@ -164,12 +135,7 @@ public abstract class AbsTaskEntity<ENTITY extends AbsEntity> extends DbEntity {
     return getEntity().getState();
   }
 
-  @Override public void deleteData() {
-    if (getEntity() != null) {
-      getEntity().deleteData();
-    }
-    super.deleteData();
-  }
+  public abstract String getKey();
 
   @Override public void update() {
     if (getEntity() != null) {
@@ -177,4 +143,104 @@ public abstract class AbsTaskEntity<ENTITY extends AbsEntity> extends DbEntity {
     }
     super.update();
   }
+
+  public FtpUrlEntity getUrlEntity() {
+    return urlEntity;
+  }
+
+  public void setUrlEntity(FtpUrlEntity urlEntity) {
+    this.urlEntity = urlEntity;
+  }
+
+  public boolean isRefreshInfo() {
+    return refreshInfo;
+  }
+
+  public void setRefreshInfo(boolean refreshInfo) {
+    this.refreshInfo = refreshInfo;
+  }
+
+  public boolean isNewTask() {
+    return isNewTask;
+  }
+
+  public void setNewTask(boolean newTask) {
+    isNewTask = newTask;
+  }
+
+  public void setState(int state) {
+    this.state = state;
+  }
+
+  public int getRequestType() {
+    return requestType;
+  }
+
+  public void setRequestType(int requestType) {
+    this.requestType = requestType;
+  }
+
+  public Map<String, String> getHeaders() {
+    return headers;
+  }
+
+  public void setHeaders(Map<String, String> headers) {
+    this.headers = headers;
+  }
+
+  public String getCharSet() {
+    return charSet;
+  }
+
+  public void setCharSet(String charSet) {
+    this.charSet = charSet;
+  }
+
+  public RequestEnum getRequestEnum() {
+    return requestEnum;
+  }
+
+  public void setRequestEnum(RequestEnum requestEnum) {
+    this.requestEnum = requestEnum;
+  }
+
+  public boolean isUseServerFileName() {
+    return useServerFileName;
+  }
+
+  public void setUseServerFileName(boolean useServerFileName) {
+    this.useServerFileName = useServerFileName;
+  }
+
+  public String getRedirectUrl() {
+    return redirectUrl;
+  }
+
+  public void setRedirectUrl(String redirectUrl) {
+    this.redirectUrl = redirectUrl;
+  }
+
+  public boolean isRemoveFile() {
+    return removeFile;
+  }
+
+  public void setRemoveFile(boolean removeFile) {
+    this.removeFile = removeFile;
+  }
+
+  public boolean isSupportBP() {
+    return isSupportBP;
+  }
+
+  public void setSupportBP(boolean supportBP) {
+    isSupportBP = supportBP;
+  }
+
+  public int getCode() {
+    return code;
+  }
+
+  public void setCode(int code) {
+    this.code = code;
+  }
 }

Aria/src/main/java/com/arialyy/aria/core/inf/AbsUploadTarget.java

@@ -1,65 +0,0 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.arialyy.aria.core.inf;
-
-import android.support.annotation.NonNull;
-import com.arialyy.aria.core.queue.UploadTaskQueue;
-import com.arialyy.aria.core.upload.UploadEntity;
-import com.arialyy.aria.core.upload.UploadTask;
-import com.arialyy.aria.core.upload.UploadTaskEntity;
-import com.arialyy.aria.util.CheckUtil;
-
-/**
- * Created by AriaL on 2017/6/29.
- * 任务组超类
- */
-public abstract class AbsUploadTarget<TARGET extends AbsUploadTarget, ENTITY extends UploadEntity, TASK_ENTITY extends UploadTaskEntity>
-    extends AbsTarget<TARGET, ENTITY, TASK_ENTITY> {
-
-  /**
-   * 设置上传路径
-   *
-   * @param uploadUrl 上传路径
-   */
-  public TARGET setUploadUrl(@NonNull String uploadUrl) {
-    uploadUrl = CheckUtil.checkUrl(uploadUrl);
-    if (mEntity.getUrl().equals(uploadUrl)) return (TARGET) this;
-    mEntity.setUrl(uploadUrl);
-    mEntity.update();
-    return (TARGET) this;
-  }
-
-  /**
-   * 下载任务是否存在
-   */
-  @Override public boolean taskExists() {
-    return UploadTaskQueue.getInstance().getTask(mEntity.getFilePath()) != null;
-  }
-
-  /**
-   * 是否在下载
-   *
-   * @deprecated {@link #isRunning()}
-   */
-  public boolean isUploading() {
-    return isRunning();
-  }
-
-  @Override public boolean isRunning() {
-    UploadTask task = UploadTaskQueue.getInstance().getTask(mEntity.getKey());
-    return task != null && task.isRunning();
-  }
-}

Aria/src/main/java/com/arialyy/aria/core/inf/IEntity.java

@@ -15,7 +15,7 @@
  */
 package com.arialyy.aria.core.inf;
 
-import com.arialyy.aria.orm.Ignore;
+import com.arialyy.aria.orm.annotation.Ignore;
 
 /**
  * Created by lyy on 2017/2/23.
@@ -42,7 +42,7 @@ public interface IEntity {
    */
   @Ignore int STATE_WAIT = 3;
   /**
-   * 下载中
+   * 正在执行
    */
   @Ignore int STATE_RUNNING = 4;
   /**
@@ -54,7 +54,7 @@ public interface IEntity {
    */
   @Ignore int STATE_POST_PRE = 6;
   /**
-   * 取消下载
+   * 删除任务
    */
   @Ignore int STATE_CANCEL = 7;
 }

Aria/src/main/java/com/arialyy/aria/core/inf/IFtpTarget.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.inf;
+
+/**
+ * Created by laoyuyu on 2018/3/9.
+ */
+public interface IFtpTarget<TARGET extends ITarget> {
+  /**
+   * 设置字符编码
+   */
+  TARGET charSet(String charSet);
+
+  /**
+   * ftp 用户登录信。
+   *
+   * @param userName ftp用户名
+   * @param password ftp用户密码
+   */
+  TARGET login(String userName, String password);
+
+  /**
+   * ftp 用户登录信息
+   *
+   * @param userName ftp用户名
+   * @param password ftp用户密码
+   * @param account ftp账号
+   */
+  TARGET login(String userName, String password, String account);
+}

Aria/src/main/java/com/arialyy/aria/core/inf/IHttpHeaderTarget.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.inf;
+
+import android.support.annotation.NonNull;
+import com.arialyy.aria.core.common.RequestEnum;
+import com.arialyy.aria.core.download.DownloadEntity;
+import java.util.Map;
+
+/**
+ * Created by laoyuyu on 2018/3/9.
+ * HTTP Header功能接口
+ */
+public interface IHttpHeaderTarget<TARGET extends ITarget> {
+
+  /**
+   * 给url请求添加Header数据
+   * 如果新的header数据和数据保存的不一致，则更新数据库中对应的header数据
+   *
+   * @param key header对应的key
+   * @param value header对应的value
+   */
+  TARGET addHeader(@NonNull String key, @NonNull String value);
+
+  /**
+   * 给url请求添加一组header数据
+   * 如果新的header数据和数据保存的不一致，则更新数据库中对应的header数据
+   *
+   * @param headers 一组http header数据
+   */
+  TARGET addHeaders(Map<String, String> headers);
+
+  /**
+   * 设置HTTP请求类型
+   *
+   * @param requestEnum {@link RequestEnum}
+   */
+  TARGET setRequestMode(RequestEnum requestEnum);
+}

Aria/src/main/java/com/arialyy/aria/core/inf/ITarget.java

@@ -15,53 +15,50 @@
  */
 package com.arialyy.aria.core.inf;
 
-import android.support.annotation.NonNull;
-import com.arialyy.aria.core.common.RequestEnum;
-import java.util.Map;
-
 /**
  * Created by AriaL on 2017/6/29.
  */
 public interface ITarget<TARGET extends ITarget> {
   /**
-   * 任务文件大小
+   * 获取任务状态
+   *
+   * @return {@link IEntity}
    */
-  long getSize();
+  int getTaskState();
 
   /**
-   * 转换后的大小
+   * 任务是否在执行
+   *
+   * @return {@code true} 任务正在执行
    */
-  String getConvertSize();
+  boolean isRunning();
 
   /**
-   * 获取任务进度百分比
+   * 任务是否存在
+   *
+   * @return {@code true} 任务存在
    */
-  int getPercent();
+  boolean taskExists();
 
   /**
-   * 获取任务进度，如果任务存在，则返回当前进度
+   * 任务文件大小
    */
-  long getCurrentProgress();
+  long getSize();
 
   /**
-   * 给url请求添加头部
-   *
-   * @param key 头部key
-   * @param header 头部value
+   * 转换后的大小
    */
-  TARGET addHeader(@NonNull String key, @NonNull String header) ;
+  String getConvertSize();
 
   /**
-   * 给url请求添加头部
+   * 获取任务进度百分比
    */
-  TARGET addHeaders(Map<String, String> headers);
+  int getPercent();
 
   /**
-   * 设置请求类型
-   *
-   * @param requestEnum {@link RequestEnum}
+   * 获取任务进度，如果任务存在，则返回当前进度
    */
-  TARGET setRequestMode(RequestEnum requestEnum);
+  long getCurrentProgress();
 
   /**
    * 开始下载
@@ -82,5 +79,4 @@ public interface ITarget<TARGET extends ITarget> {
    * 取消下载
    */
   void cancel();
-
 }

Aria/src/main/java/com/arialyy/aria/core/inf/IUploadListener.java

@@ -15,8 +15,6 @@
  */
 package com.arialyy.aria.core.inf;
 
-import com.arialyy.aria.core.inf.IEventListener;
-
 /**
  * Created by lyy on 2017/2/9.
  * 上传监听

Aria/src/main/java/com/arialyy/aria/core/manager/DGTEFactory.java

@@ -0,0 +1,169 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.manager;
+
+import com.arialyy.aria.core.download.DownloadEntity;
+import com.arialyy.aria.core.download.DownloadGroupEntity;
+import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
+import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.core.download.wrapper.DGEWrapper;
+import com.arialyy.aria.core.download.wrapper.DGTEWrapper;
+import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.util.CommonUtil;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by Aria.Lao on 2017/11/1.
+ * 任务实体工厂
+ */
+class DGTEFactory implements IGTEFactory<DownloadGroupEntity, DownloadGroupTaskEntity> {
+  private static final String TAG = "DTEFactory";
+  private static volatile DGTEFactory INSTANCE = null;
+
+  private DGTEFactory() {
+  }
+
+  public static DGTEFactory getInstance() {
+    if (INSTANCE == null) {
+      synchronized (DGTEFactory.class) {
+        INSTANCE = new DGTEFactory();
+      }
+    }
+    return INSTANCE;
+  }
+
+  @Override public DownloadGroupTaskEntity getGTE(String groupName, List<String> urls) {
+    DownloadGroupEntity entity = createDGroupEntity(groupName, urls);
+    List<DGTEWrapper> wrapper =
+        DbEntity.findRelationData(DGTEWrapper.class, "DownloadGroupTaskEntity.key=?",
+            entity.getGroupName());
+    DownloadGroupTaskEntity gte;
+
+    if (wrapper != null && !wrapper.isEmpty()) {
+      gte = wrapper.get(0).taskEntity;
+      if (gte == null) {
+        // 创建新的任务组任务实体
+        gte = new DownloadGroupTaskEntity();
+        //创建子任务的任务实体
+        gte.setSubTaskEntities(createDGSubTaskEntity(entity));
+      } else if (gte.getSubTaskEntities() == null || gte.getSubTaskEntities().isEmpty()) {
+        gte.setSubTaskEntities(createDGSubTaskEntity(entity));
+      }
+    } else {
+      gte = new DownloadGroupTaskEntity();
+      gte.setSubTaskEntities(createDGSubTaskEntity(entity));
+    }
+    gte.setKey(entity.getGroupName());
+    gte.setEntity(entity);
+
+    return gte;
+  }
+
+  @Override public DownloadGroupTaskEntity getFTE(String ftpUrl) {
+    List<DGTEWrapper> wrapper =
+        DbEntity.findRelationData(DGTEWrapper.class, "DownloadGroupTaskEntity.key=?",
+            ftpUrl);
+    DownloadGroupTaskEntity fte;
+
+    if (wrapper != null && !wrapper.isEmpty()) {
+      fte = wrapper.get(0).taskEntity;
+      if (fte == null) {
+        fte = new DownloadGroupTaskEntity();
+        DownloadGroupEntity dge = new DownloadGroupEntity();
+        dge.setGroupName(ftpUrl);
+        fte.setEntity(dge);
+      } else if (fte.getEntity() == null) {
+        DownloadGroupEntity dge = new DownloadGroupEntity();
+        dge.setGroupName(ftpUrl);
+        fte.setEntity(dge);
+      }
+    } else {
+      fte = new DownloadGroupTaskEntity();
+      DownloadGroupEntity dge = new DownloadGroupEntity();
+      dge.setGroupName(ftpUrl);
+      fte.setEntity(dge);
+    }
+    fte.setKey(ftpUrl);
+    fte.setUrlEntity(CommonUtil.getFtpUrlInfo(ftpUrl));
+
+    if (fte.getEntity().getSubEntities() == null) {
+      fte.getEntity().setSubEntities(new ArrayList<DownloadEntity>());
+    }
+    if (fte.getSubTaskEntities() == null) {
+      fte.setSubTaskEntities(new ArrayList<DownloadTaskEntity>());
+    }
+    return fte;
+  }
+
+  /**
+   * 创建任务组子任务的任务实体
+   */
+  private List<DownloadTaskEntity> createDGSubTaskEntity(DownloadGroupEntity dge) {
+    List<DownloadTaskEntity> list = new ArrayList<>();
+    for (DownloadEntity entity : dge.getSubEntities()) {
+      DownloadTaskEntity taskEntity = new DownloadTaskEntity();
+      taskEntity.setEntity(entity);
+      taskEntity.setKey(entity.getDownloadPath());
+      taskEntity.setGroupName(dge.getKey());
+      taskEntity.setGroupTask(true);
+      taskEntity.setUrl(entity.getUrl());
+      list.add(taskEntity);
+    }
+    return list;
+  }
+
+  /**
+   * 查询任务组实体，如果数据库不存在该实体，则新创建一个新的任务组实体
+   */
+  private DownloadGroupEntity createDGroupEntity(String groupName, List<String> urls) {
+    List<DGEWrapper> wrapper =
+        DbEntity.findRelationData(DGEWrapper.class, "DownloadGroupEntity.groupName=?",
+            groupName);
+
+    DownloadGroupEntity groupEntity;
+    if (wrapper != null && !wrapper.isEmpty()) {
+      groupEntity = wrapper.get(0).groupEntity;
+      if (groupEntity == null) {
+        groupEntity = new DownloadGroupEntity();
+        groupEntity.setSubEntities(createSubTask(groupName, urls));
+      }
+    } else {
+      groupEntity = new DownloadGroupEntity();
+      groupEntity.setSubEntities(createSubTask(groupName, urls));
+    }
+    groupEntity.setGroupName(groupName);
+    groupEntity.setUrls(urls);
+    return groupEntity;
+  }
+
+  /**
+   * 创建子任务
+   */
+  private List<DownloadEntity> createSubTask(String groupName, List<String> urls) {
+    List<DownloadEntity> list = new ArrayList<>();
+    for (int i = 0, len = urls.size(); i < len; i++) {
+      DownloadEntity entity = new DownloadEntity();
+      entity.setUrl(urls.get(i));
+      entity.setDownloadPath(groupName + "_" + i);
+      entity.setFileName(groupName + "_" + i);
+      entity.setGroupName(groupName);
+      entity.setGroupChild(true);
+      list.add(entity);
+    }
+    return list;
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/manager/DGTEntityFactory.java

@@ -1,98 +0,0 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.arialyy.aria.core.manager;
-
-import android.text.TextUtils;
-import com.arialyy.aria.core.download.DownloadGroupEntity;
-import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
-import com.arialyy.aria.orm.DbEntity;
-import com.arialyy.aria.util.CommonUtil;
-import java.util.List;
-
-/**
- * Created by Aria.Lao on 2017/11/1.
- * 任务实体工厂
- */
-class DGTEntityFactory implements ITEntityFactory<DownloadGroupEntity, DownloadGroupTaskEntity>,
-    IGTEntityFactory<DownloadGroupEntity, DownloadGroupTaskEntity> {
-  private static final String TAG = "DTEntityFactory";
-  private static volatile DGTEntityFactory INSTANCE = null;
-
-  private DGTEntityFactory() {
-  }
-
-  public static DGTEntityFactory getInstance() {
-    if (INSTANCE == null) {
-      synchronized (DGTEntityFactory.class) {
-        INSTANCE = new DGTEntityFactory();
-      }
-    }
-    return INSTANCE;
-  }
-
-  /**
-   * 通过下载实体创建任务实体
-   */
-  @Override public DownloadGroupTaskEntity create(DownloadGroupEntity entity) {
-    DownloadGroupTaskEntity dgTaskEntity =
-        DbEntity.findFirst(DownloadGroupTaskEntity.class, "key=?", entity.getGroupName());
-    if (dgTaskEntity == null) {
-      dgTaskEntity = new DownloadGroupTaskEntity();
-      dgTaskEntity.save(entity);
-    }
-    if (dgTaskEntity.entity == null || TextUtils.isEmpty(dgTaskEntity.entity.getKey())) {
-      dgTaskEntity.save(entity);
-    }
-    return dgTaskEntity;
-  }
-
-  /**
-   * 对于任务组，不能使用这个，可用于FTP文件夹下载
-   *
-   * @deprecated {@link #create(String, List)}
-   */
-  @Override @Deprecated public DownloadGroupTaskEntity create(String key) {
-    DownloadGroupTaskEntity dgTaskEntity =
-        DbEntity.findFirst(DownloadGroupTaskEntity.class, "key=?", key);
-    if (dgTaskEntity == null) {
-      dgTaskEntity = new DownloadGroupTaskEntity();
-      dgTaskEntity.save(getDownloadGroupEntity(key, null));
-    }
-    if (dgTaskEntity.entity == null || TextUtils.isEmpty(dgTaskEntity.entity.getKey())) {
-      dgTaskEntity.save(getDownloadGroupEntity(key, null));
-    }
-    dgTaskEntity.urlEntity = CommonUtil.getFtpUrlInfo(key);
-    return dgTaskEntity;
-  }
-
-  @Override public DownloadGroupTaskEntity create(String groupName, List<String> urls) {
-    return create(getDownloadGroupEntity(groupName, urls));
-  }
-
-  /**
-   * 查询任务组实体，如果数据库不存在该实体，则新创建一个新的任务组实体
-   */
-  private DownloadGroupEntity getDownloadGroupEntity(String groupName, List<String> urls) {
-    DownloadGroupEntity entity =
-        DbEntity.findFirst(DownloadGroupEntity.class, "groupName=?", groupName);
-    if (entity == null) {
-      entity = new DownloadGroupEntity();
-      entity.setGroupName(groupName);
-      entity.setUrls(urls);
-    }
-    return entity;
-  }
-}

Aria/src/main/java/com/arialyy/aria/core/manager/DTEFactory.java

@@ -18,25 +18,28 @@ package com.arialyy.aria.core.manager;
 import android.text.TextUtils;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.core.download.wrapper.DTEWrapper;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.orm.DbEntity;
 import java.io.File;
+import java.util.List;
+import java.util.UUID;
 
 /**
  * Created by Aria.Lao on 2017/11/1.
  * 任务实体工厂
  */
-class DTEntityFactory implements ITEntityFactory<DownloadEntity, DownloadTaskEntity> {
-  private static final String TAG = "DTEntityFactory";
-  private static volatile DTEntityFactory INSTANCE = null;
+class DTEFactory implements INormalTEFactory<DownloadEntity, DownloadTaskEntity> {
+  private static final String TAG = "DTEFactory";
+  private static volatile DTEFactory INSTANCE = null;
 
-  private DTEntityFactory() {
+  private DTEFactory() {
   }
 
-  public static DTEntityFactory getInstance() {
+  public static DTEFactory getInstance() {
     if (INSTANCE == null) {
-      synchronized (DTEntityFactory.class) {
-        INSTANCE = new DTEntityFactory();
+      synchronized (DTEFactory.class) {
+        INSTANCE = new DTEFactory();
       }
     }
     return INSTANCE;
@@ -45,18 +48,24 @@ class DTEntityFactory implements ITEntityFactory<DownloadEntity, DownloadTaskEnt
   /**
    * 通过下载实体创建任务实体
    */
-  @Override public DownloadTaskEntity create(DownloadEntity entity) {
-    DownloadTaskEntity taskEntity =
-        DbEntity.findFirst(DownloadTaskEntity.class, "key=? and isGroupTask='false' and url=?",
-            entity.getDownloadPath(), entity.getUrl());
-    if (taskEntity == null) {
+  private DownloadTaskEntity create(DownloadEntity entity) {
+    List<DTEWrapper> wrapper = DbEntity.findRelationData(DTEWrapper.class,
+        "DownloadTaskEntity.key=? and DownloadTaskEntity.isGroupTask='false' and DownloadTaskEntity.url=?",
+        entity.getDownloadPath(), entity.getUrl());
+    DownloadTaskEntity taskEntity;
+    if (wrapper != null && !wrapper.isEmpty()) {
+      taskEntity = wrapper.get(0).taskEntity;
+      if (taskEntity == null) {
+        taskEntity = new DownloadTaskEntity();
+      } else if (taskEntity.getEntity() == null || TextUtils.isEmpty(taskEntity.getEntity().getUrl())) {
+        taskEntity.setEntity(entity);
+      }
+    } else {
       taskEntity = new DownloadTaskEntity();
-      taskEntity.save(entity);
-    } else if (taskEntity.entity == null || TextUtils.isEmpty(taskEntity.entity.getUrl())) {
-      taskEntity.save(entity);
-    } else if (!taskEntity.entity.getUrl().equals(entity.getUrl())) {  //处理地址切换而保存路径不变
-      taskEntity.save(entity);
     }
+    taskEntity.setKey(entity.getDownloadPath());
+    taskEntity.setUrl(entity.getUrl());
+    taskEntity.setEntity(entity);
     return taskEntity;
   }
 
@@ -80,6 +89,8 @@ class DTEntityFactory implements ITEntityFactory<DownloadEntity, DownloadTaskEnt
       entity = new DownloadEntity();
       entity.setUrl(downloadUrl);
       entity.setGroupChild(false);
+      entity.setGroupName(null);
+      entity.setDownloadPath(UUID.randomUUID().toString().replace("-", ""));  //设置临时路径
     }
     File file = new File(entity.getDownloadPath());
     if (!file.exists()) {

Aria/src/main/java/com/arialyy/aria/core/manager/IGTEFactory.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.manager;
+
+import com.arialyy.aria.core.inf.AbsEntity;
+import com.arialyy.aria.core.inf.AbsTaskEntity;
+import java.util.List;
+
+/**
+ * 任务组通过组创建任务
+ * Created by Aria.Lao on 2017/11/1.
+ */
+interface IGTEFactory<ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity<ENTITY>> {
+
+  /**
+   * 获取任务组的任务实体，
+   * 1、创建实体和任务实体之间的关联
+   * 2、如果在数据库中查找不到对应的数据，则新创建任务实体
+   *
+   * @param groupName 任务组名
+   * @param urls 子任务的下载地址
+   */
+  TASK_ENTITY getGTE(String groupName, List<String> urls);
+
+  /**
+   * 获取FTP文件夹的任务实体，该方法需要以下操作：
+   * 1、创建实体和任务实体之间的关联
+   * 2、如果在数据库中查找不到对应的数据，则新创建任务实体
+   *
+   * @param ftpUrl ftp文件夹下载路径
+   */
+  TASK_ENTITY getFTE(String ftpUrl);
+}

Aria/src/main/java/com/arialyy/aria/core/manager/INormalTEFactory.java

@@ -21,11 +21,7 @@ import com.arialyy.aria.core.inf.AbsTaskEntity;
 /**
  * Created by Aria.Lao on 2017/11/1.
  */
-interface ITEntityFactory<ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity<ENTITY>> {
-  /**
-   * 通过信息实体创建任务实体
-   */
-  TASK_ENTITY create(ENTITY entity);
+interface INormalTEFactory<ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity<ENTITY>> {
 
   /**
    * 通过key创建任务，只适应于单任务

Aria/src/main/java/com/arialyy/aria/core/manager/TEManager.java

@@ -18,7 +18,6 @@ package com.arialyy.aria.core.manager;
 import android.support.v4.util.LruCache;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
-import com.arialyy.aria.core.inf.AbsEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
 import com.arialyy.aria.util.ALog;
@@ -29,7 +28,7 @@ import java.util.concurrent.locks.ReentrantLock;
 
 /**
  * Created by Aria.Lao on 2017/11/1.
- * 任务实体管理器，负责
+ * 任务实体管理器
  */
 public class TEManager {
   private static final String TAG = "TaskManager";
@@ -51,18 +50,17 @@ public class TEManager {
   }
 
   /**
-   * 通过key创建任务，只适应于单任务，不能用于HTTP任务组，可用于Ftp文件夹
-   * 如果是任务组，请使用{@link #createGTEntity(Class, List)}
+   * 通过key创建任务，只适应于单任务
    *
    * @return 如果任务实体创建失败，返回null
    */
-  public <TE extends AbsTaskEntity> TE createTEntity(Class<TE> clazz, String key) {
+  private <TE extends AbsTaskEntity> TE createNormalTE(Class<TE> clazz, String key) {
     final Lock lock = this.lock;
     lock.lock();
     try {
       AbsTaskEntity tEntity = cache.get(convertKey(key));
       if (tEntity == null || tEntity.getClass() != clazz) {
-        ITEntityFactory factory = chooseFactory(clazz);
+        INormalTEFactory factory = chooseNormalFactory(clazz);
         if (factory == null) {
           ALog.e(TAG, "任务实体创建失败");
           return null;
@@ -77,23 +75,44 @@ public class TEManager {
   }
 
   /**
-   * 创建任务组实体
+   * 通过key创建不需要缓存的任务实体，只适应于单任务
    *
    * @return 如果任务实体创建失败，返回null
    */
-  public <TE extends AbsTaskEntity> TE createGTEntity(Class<TE> clazz, List<String> urls) {
+  public <TE extends AbsTaskEntity> TE createNormalNoCacheTE(Class<TE> clazz, String key) {
+    final Lock lock = this.lock;
+    lock.lock();
+    try {
+      INormalTEFactory factory = chooseNormalFactory(clazz);
+      if (factory == null) {
+        ALog.e(TAG, "任务实体创建失败");
+        return null;
+      }
+      AbsTaskEntity tEntity = factory.create(key);
+      return (TE) tEntity;
+    } finally {
+      lock.unlock();
+    }
+  }
+
+  /**
+   * 创建任务组
+   *
+   * @return 如果任务实体创建失败，返回null
+   */
+  private <TE extends AbsTaskEntity> TE createGTEntity(Class<TE> clazz, List<String> urls) {
     final Lock lock = this.lock;
     lock.lock();
     try {
       String groupName = CommonUtil.getMd5Code(urls);
       AbsTaskEntity tEntity = cache.get(convertKey(groupName));
       if (tEntity == null || tEntity.getClass() != clazz) {
-        IGTEntityFactory factory = chooseGroupFactory(clazz);
+        IGTEFactory factory = chooseGroupFactory(clazz);
         if (factory == null) {
           ALog.e(TAG, "任务实体创建失败");
           return null;
         }
-        tEntity = factory.create(groupName, urls);
+        tEntity = factory.getGTE(groupName, urls);
         cache.put(convertKey(groupName), tEntity);
       }
       return (TE) tEntity;
@@ -103,23 +122,23 @@ public class TEManager {
   }
 
   /**
-   * 通过实体创建任务
+   * 通过ftp文件夹路径，创建FTP文件夹实体
    *
    * @return 如果任务实体创建失败，返回null
    */
-  public <TE extends AbsTaskEntity> TE createTEntity(Class<TE> clazz, AbsEntity absEntity) {
+  private <TE extends AbsTaskEntity> TE createFDTE(Class<TE> clazz, String key) {
     final Lock lock = this.lock;
     lock.lock();
     try {
-      AbsTaskEntity tEntity = cache.get(convertKey(absEntity.getKey()));
+      AbsTaskEntity tEntity = cache.get(convertKey(key));
       if (tEntity == null || tEntity.getClass() != clazz) {
-        ITEntityFactory factory = chooseFactory(clazz);
+        IGTEFactory factory = chooseGroupFactory(clazz);
         if (factory == null) {
           ALog.e(TAG, "任务实体创建失败");
           return null;
         }
-        tEntity = factory.create(absEntity);
-        cache.put(convertKey(absEntity.getKey()), tEntity);
+        tEntity = factory.getFTE(key);
+        cache.put(convertKey(key), tEntity);
       }
       return (TE) tEntity;
     } finally {
@@ -127,26 +146,26 @@ public class TEManager {
     }
   }
 
-  private IGTEntityFactory chooseGroupFactory(Class clazz) {
+  private IGTEFactory chooseGroupFactory(Class clazz) {
     if (clazz == DownloadGroupTaskEntity.class) {
-      return DGTEntityFactory.getInstance();
+      return DGTEFactory.getInstance();
     }
     return null;
   }
 
-  private ITEntityFactory chooseFactory(Class clazz) {
+  private INormalTEFactory chooseNormalFactory(Class clazz) {
     if (clazz == DownloadTaskEntity.class) {
-      return DTEntityFactory.getInstance();
+      return DTEFactory.getInstance();
     } else if (clazz == UploadTaskEntity.class) {
-      return UTEntityFactory.getInstance();
-    } else if (clazz == DownloadGroupTaskEntity.class) {
-      return DGTEntityFactory.getInstance();
+      return UTEFactory.getInstance();
     }
     return null;
   }
 
   /**
-   * 从任务实体管理器中获取任务实体
+   * 从缓存中获取单任务实体，如果任务实体不存在，则创建任务实体
+   *
+   * @return 创建失败，返回null
    */
   public <TE extends AbsTaskEntity> TE getTEntity(Class<TE> clazz, String key) {
     final Lock lock = this.lock;
@@ -154,7 +173,53 @@ public class TEManager {
     try {
       AbsTaskEntity tEntity = cache.get(convertKey(key));
       if (tEntity == null) {
-        return null;
+        return createNormalTE(clazz, key);
+      } else {
+        return (TE) tEntity;
+      }
+    } finally {
+      lock.unlock();
+    }
+  }
+
+  /**
+   * 从缓存中获取FTP文件夹任务实体，如果任务实体不存在，则创建任务实体
+   *
+   * @return 创建失败，返回null
+   */
+  public <TE extends AbsTaskEntity> TE getFDTEntity(Class<TE> clazz, String key) {
+    final Lock lock = this.lock;
+    lock.lock();
+    try {
+      AbsTaskEntity tEntity = cache.get(convertKey(key));
+      if (tEntity == null) {
+        return createFDTE(clazz, key);
+      } else {
+        return (TE) tEntity;
+      }
+    } finally {
+      lock.unlock();
+    }
+  }
+
+  /**
+   * 从缓存中获取HTTP任务组的任务实体，如果任务实体不存在，则创建任务实体
+   *
+   * @param urls HTTP任务组的子任务下载地址列表
+   * @return 地址列表为null或创建实体失败，返回null
+   */
+  public <TE extends AbsTaskEntity> TE getGTEntity(Class<TE> clazz, List<String> urls) {
+    if (urls == null || urls.isEmpty()) {
+      ALog.e(TAG, "获取HTTP任务组实体失败：任务组的子任务下载地址列表为null");
+      return null;
+    }
+    final Lock lock = this.lock;
+    lock.lock();
+    try {
+      String groupName = CommonUtil.getMd5Code(urls);
+      AbsTaskEntity tEntity = cache.get(convertKey(groupName));
+      if (tEntity == null) {
+        return createGTEntity(clazz, urls);
       } else {
         return (TE) tEntity;
       }
@@ -189,7 +254,7 @@ public class TEManager {
     final Lock lock = this.lock;
     lock.lock();
     try {
-      return cache.put(convertKey(te.key), te) != null;
+      return cache.put(convertKey(te.getKey()), te) != null;
     } finally {
       lock.unlock();
     }
@@ -210,6 +275,7 @@ public class TEManager {
   }
 
   private String convertKey(String key) {
+    key = key.trim();
     final Lock lock = this.lock;
     lock.lock();
     try {

Aria/src/main/java/com/arialyy/aria/core/manager/TaskManager.java

@@ -1,86 +0,0 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.arialyy.aria.core.manager;
-
-import com.arialyy.aria.core.AriaManager;
-import com.arialyy.aria.core.inf.AbsTask;
-import com.arialyy.aria.util.ALog;
-import com.arialyy.aria.util.CommonUtil;
-import java.util.Iterator;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-
-/**
- * Created by Aria.Lao on 2017/9/1.
- * 任务管理器
- */
-class TaskManager {
-  private static final String TAG = "TaskManager";
-  private static volatile TaskManager INSTANCE = null;
-  private Map<String, AbsTask> map = new ConcurrentHashMap<>();
-
-  public static TaskManager getInstance() {
-    if (INSTANCE == null) {
-      synchronized (TaskManager.class) {
-        INSTANCE = new TaskManager();
-      }
-    }
-    return INSTANCE;
-  }
-
-  private TaskManager() {
-
-  }
-
-  /**
-   * 管理器添加任务
-   *
-   * @param key 任务的key，下载为保存路径，任务组为任务组名，上传为文件上传路径
-   * @param task 任务
-   * @return {@code true}添加成功
-   */
-  public <T extends AbsTask> boolean addTask(String key, Class<T> clazz, T task) {
-    String hash = CommonUtil.keyToHashKey(key);
-    if (map.keySet().contains(hash)) {
-      ALog.e(TAG, "任务【" + key + "】已存在");
-      return false;
-    }
-    map.put(CommonUtil.keyToHashKey(key), task);
-    return true;
-  }
-
-  /**
-   * 移除任务
-   *
-   * @param key 任务的key，下载为保存路径，任务组为任务组名，上传为文件上传路径
-   */
-  public void removeTask(String key) {
-    String hash = CommonUtil.keyToHashKey(key);
-    for (Iterator<Map.Entry<String, AbsTask>> iter = map.entrySet().iterator(); iter.hasNext(); ) {
-      Map.Entry<String, AbsTask> entry = iter.next();
-      if (entry.getKey().equals(hash)) iter.remove();
-    }
-  }
-
-  /**
-   * 通过key获取任务
-   *
-   * @return 如果找不到任务，返回null，否则返回key对应的任务
-   */
-  public AbsTask getTask(String key) {
-    return map.get(CommonUtil.keyToHashKey(key));
-  }
-}

Aria/src/main/java/com/arialyy/aria/core/manager/UTEFactory.java

@@ -15,43 +15,55 @@
  */
 package com.arialyy.aria.core.manager;
 
+import android.text.TextUtils;
 import com.arialyy.aria.core.upload.UploadEntity;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
+import com.arialyy.aria.core.upload.wrapper.UTEWrapper;
 import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.util.Regular;
+import java.util.List;
 import java.util.regex.Pattern;
 
 /**
  * Created by Aria.Lao on 2017/11/1.
  * 任务实体工厂
  */
-class UTEntityFactory implements ITEntityFactory<UploadEntity, UploadTaskEntity> {
-  private static final String TAG = "DTEntityFactory";
-  private static volatile UTEntityFactory INSTANCE = null;
+class UTEFactory implements INormalTEFactory<UploadEntity, UploadTaskEntity> {
+  private static final String TAG = "DTEFactory";
+  private static volatile UTEFactory INSTANCE = null;
 
-  private UTEntityFactory() {
+  private UTEFactory() {
   }
 
-  public static UTEntityFactory getInstance() {
+  public static UTEFactory getInstance() {
     if (INSTANCE == null) {
-      synchronized (UTEntityFactory.class) {
-        INSTANCE = new UTEntityFactory();
+      synchronized (UTEFactory.class) {
+        INSTANCE = new UTEFactory();
       }
     }
     return INSTANCE;
   }
 
-  @Override public UploadTaskEntity create(UploadEntity entity) {
-    UploadTaskEntity uTaskEntity =
-        DbEntity.findFirst(UploadTaskEntity.class, "key=?", entity.getFilePath());
-    if (uTaskEntity == null) {
-      uTaskEntity = new UploadTaskEntity();
-      uTaskEntity.entity = entity;
-    }
-    if (uTaskEntity.entity == null) {
-      uTaskEntity.entity = entity;
+  private UploadTaskEntity create(UploadEntity entity) {
+    List<UTEWrapper> wrapper =
+        DbEntity.findRelationData(UTEWrapper.class, "UploadTaskEntity.key=?",
+            entity.getFilePath());
+
+    if (wrapper != null && !wrapper.isEmpty()) {
+      UploadTaskEntity uTaskEntity = wrapper.get(0).taskEntity;
+      if (uTaskEntity == null) {
+        uTaskEntity = new UploadTaskEntity();
+        uTaskEntity.setEntity(entity);
+      } else if (uTaskEntity.getEntity() == null || TextUtils.isEmpty(
+          uTaskEntity.getEntity().getFilePath())) {
+        uTaskEntity.setEntity(entity);
+      }
+      return uTaskEntity;
+    } else {
+      UploadTaskEntity uTaskEntity = new UploadTaskEntity();
+      uTaskEntity.setEntity(entity);
+      return uTaskEntity;
     }
-    return uTaskEntity;
   }
 
   @Override public UploadTaskEntity create(String key) {
@@ -67,14 +79,12 @@ class UTEntityFactory implements ITEntityFactory<UploadEntity, UploadTaskEntity>
     UploadEntity entity = UploadEntity.findFirst(UploadEntity.class, "filePath=?", filePath);
     if (entity == null) {
       entity = new UploadEntity();
-      //String regex = "[/|\\\\|//]";
       String regex = Regular.REG_FILE_NAME;
       Pattern p = Pattern.compile(regex);
       String[] strs = p.split(filePath);
       String fileName = strs[strs.length - 1];
       entity.setFileName(fileName);
       entity.setFilePath(filePath);
-      entity.insert();
     }
     return entity;
   }

Aria/src/main/java/com/arialyy/aria/core/queue/AbsTaskQueue.java

@@ -150,10 +150,10 @@ abstract class AbsTaskQueue<TASK extends AbsTask, TASK_ENTITY extends AbsTaskEnt
     }
   }
 
-  @Override public TASK getTask(String url) {
-    TASK task = mExecutePool.getTask(url);
+  @Override public TASK getTask(String key) {
+    TASK task = mExecutePool.getTask(key);
     if (task == null) {
-      task = mCachePool.getTask(url);
+      task = mCachePool.getTask(key);
     }
     return task;
   }
@@ -202,6 +202,7 @@ abstract class AbsTaskQueue<TASK extends AbsTask, TASK_ENTITY extends AbsTaskEnt
     if (!task.isRunning()) {
       task.start();
     } else {
+      task.stop();
       ALog.e(TAG, "任务【" + task.getTaskName() + "】重试失败，原因：任务没有完全停止，");
     }
   }

Aria/src/main/java/com/arialyy/aria/core/queue/DownloadGroupTaskQueue.java

@@ -67,7 +67,7 @@ public class DownloadGroupTaskQueue
           && mExecutePool.getTask(entity.getEntity().getKey()) == null) {
         task = (DownloadGroupTask) TaskFactory.getInstance()
             .createTask(targetName, entity, DownloadGroupSchedulers.getInstance());
-        entity.key = entity.getEntity().getGroupName();
+        entity.setKey(entity.getEntity().getGroupName());
         mCachePool.putTask(task);
       } else {
         ALog.w(TAG, "任务已存在");

Aria/src/main/java/com/arialyy/aria/core/queue/DownloadTaskQueue.java

@@ -123,7 +123,7 @@ public class DownloadTaskQueue extends AbsTaskQueue<DownloadTask, DownloadTaskEn
           && mExecutePool.getTask(entity.getEntity().getKey()) == null) {
         task = (DownloadTask) TaskFactory.getInstance()
             .createTask(target, entity, DownloadSchedulers.getInstance());
-        entity.key = entity.getEntity().getDownloadPath();
+        entity.setKey(entity.getEntity().getDownloadPath());
         mCachePool.putTask(task);
       } else {
         ALog.w(TAG, "任务已存在");

Aria/src/main/java/com/arialyy/aria/core/queue/UploadTaskQueue.java

@@ -69,7 +69,7 @@ public class UploadTaskQueue extends AbsTaskQueue<UploadTask, UploadTaskEntity>
           && mExecutePool.getTask(entity.getEntity().getKey()) == null) {
         task = (UploadTask) TaskFactory.getInstance()
             .createTask(targetName, entity, UploadSchedulers.getInstance());
-        entity.key = entity.getEntity().getFilePath();
+        entity.setKey(entity.getEntity().getFilePath());
         mCachePool.putTask(task);
       } else {
         ALog.w(TAG, "任务已存在");

Aria/src/main/java/com/arialyy/aria/core/scheduler/AbsSchedulers.java

@@ -18,6 +18,7 @@ package com.arialyy.aria.core.scheduler;
 import android.os.CountDownTimer;
 import android.os.Message;
 import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.download.DownloadGroupTask;
 import com.arialyy.aria.core.download.DownloadTask;
 import com.arialyy.aria.core.inf.AbsEntity;
 import com.arialyy.aria.core.inf.AbsNormalEntity;
@@ -38,8 +39,8 @@ import java.util.concurrent.ConcurrentHashMap;
  * Created by lyy on 2017/6/4.
  * 事件调度器，用于处理任务状态的调度
  */
-abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, TASK extends AbsTask<TASK_ENTITY>, QUEUE extends ITaskQueue<TASK, TASK_ENTITY>>
-    implements ISchedulers<TASK> {
+abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, TASK extends AbsTask<TASK_ENTITY>,
+    QUEUE extends ITaskQueue<TASK, TASK_ENTITY>> implements ISchedulers<TASK> {
   private final String TAG = "AbsSchedulers";
 
   protected QUEUE mQueue;
@@ -54,12 +55,12 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, TASK extends Abs
 
   @Override public void register(Object obj) {
     String targetName = obj.getClass().getName();
-    AbsSchedulerListener<TASK, AbsNormalEntity> listener = mObservers.get(targetName);
+    AbsSchedulerListener<TASK, AbsNormalEntity> listener = mObservers.get(getKey(obj));
     if (listener == null) {
       listener = createListener(targetName);
       if (listener != null) {
         listener.setListener(obj);
-        mObservers.put(targetName, listener);
+        mObservers.put(getKey(obj), listener);
       } else {
         ALog.e(TAG, "注册错误，没有【" + targetName + "】观察者");
       }
@@ -67,18 +68,22 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, TASK extends Abs
   }
 
   @Override public void unRegister(Object obj) {
-    if (!mObservers.containsKey(obj.getClass().getName())) {
+    if (!mObservers.containsKey(getKey(obj))) {
       return;
     }
     for (Iterator<Map.Entry<String, AbsSchedulerListener<TASK, AbsNormalEntity>>> iter =
         mObservers.entrySet().iterator(); iter.hasNext(); ) {
       Map.Entry<String, AbsSchedulerListener<TASK, AbsNormalEntity>> entry = iter.next();
-      if (entry.getKey().equals(obj.getClass().getName())) {
+      if (entry.getKey().equals(getKey(obj))) {
         iter.remove();
       }
     }
   }
 
+  private String getKey(Object obj) {
+    return obj.getClass().getName() + obj.hashCode();
+  }
+
   /**
    * 创建代理类
    *
@@ -178,7 +183,9 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, TASK extends Abs
     } else {
       TEManager.getInstance().putTEntity(task.getKey(), task.getTaskEntity());
     }
-    callback(what, task);
+    if (what != FAIL) {
+      callback(what, task);
+    }
   }
 
   /**
@@ -253,7 +260,7 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, TASK extends Abs
     }
     long interval = 2000;
     int num = 10;
-    if (task instanceof DownloadTask) {
+    if (task instanceof DownloadTask || task instanceof DownloadGroupTask) {
       interval = AriaManager.getInstance(AriaManager.APP).getDownloadConfig().getReTryInterval();
       num = AriaManager.getInstance(AriaManager.APP).getDownloadConfig().getReTryNum();
     } else if (task instanceof UploadTask) {
@@ -262,6 +269,13 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, TASK extends Abs
     }
 
     final int reTryNum = num;
+    if (task.getTaskEntity().getEntity().getFailNum() > reTryNum) {
+      callback(FAIL, task);
+      mQueue.removeTaskFormQueue(task.getKey());
+      startNextTask();
+      TEManager.getInstance().removeTEntity(task.getKey());
+      return;
+    }
     CountDownTimer timer = new CountDownTimer(interval, 1000) {
       @Override public void onTick(long millisUntilFinished) {
 
@@ -269,7 +283,7 @@ abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, TASK extends Abs
 
       @Override public void onFinish() {
         AbsEntity entity = task.getTaskEntity().getEntity();
-        if (entity.getFailNum() < reTryNum) {
+        if (entity.getFailNum() <= reTryNum) {
           TASK task = mQueue.getTask(entity.getKey());
           mQueue.reTryStart(task);
         } else {

Aria/src/main/java/com/arialyy/aria/core/upload/AbsUploadTarget.java

@@ -13,20 +13,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.arialyy.aria.core.manager;
+package com.arialyy.aria.core.upload;
 
 import com.arialyy.aria.core.inf.AbsEntity;
+import com.arialyy.aria.core.inf.AbsTarget;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
-import java.util.List;
 
 /**
- * 任务组通过组创建任务
- * Created by Aria.Lao on 2017/11/1.
+ * Created by AriaL on 2017/6/29.
  */
-interface IGTEntityFactory<ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity<ENTITY>> {
+abstract class AbsUploadTarget<TARGET extends AbsUploadTarget, ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity>
+    extends AbsTarget<TARGET, ENTITY, TASK_ENTITY> {
 
-  /**
-   * 通过key创建任务
-   */
-  TASK_ENTITY create(String groupName, List<String> urls);
 }

Aria/src/main/java/com/arialyy/aria/core/upload/BaseNormalTarget.java

@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.upload;
+
+import android.support.annotation.NonNull;
+import android.text.TextUtils;
+import com.arialyy.aria.core.manager.TEManager;
+import com.arialyy.aria.core.queue.UploadTaskQueue;
+import com.arialyy.aria.util.ALog;
+import java.io.File;
+
+/**
+ * Created by AriaL on 2018/3/9.
+ */
+abstract class BaseNormalTarget<TARGET extends AbsUploadTarget>
+    extends AbsUploadTarget<TARGET, UploadEntity, UploadTaskEntity> {
+
+  protected String mTempUrl;
+
+  void initTarget(String filePath) {
+    mTaskEntity = TEManager.getInstance().getTEntity(UploadTaskEntity.class, filePath);
+    mEntity = mTaskEntity.getEntity();
+    File file = new File(filePath);
+    mEntity.setFileName(file.getName());
+    mEntity.setFileSize(file.length());
+    mTempUrl = mEntity.getUrl();
+  }
+
+  /**
+   * 设置上传路径
+   *
+   * @param uploadUrl 上传路径
+   */
+  public TARGET setUploadUrl(@NonNull String uploadUrl) {
+    mTempUrl = uploadUrl;
+    return (TARGET) this;
+  }
+
+  /**
+   * 上传任务是否存在
+   *
+   * @return {@code true}存在
+   */
+  @Override public boolean taskExists() {
+    return UploadTaskQueue.getInstance().getTask(mEntity.getFilePath()) != null;
+  }
+
+  /**
+   * 是否在上传
+   *
+   * @deprecated {@link #isRunning()}
+   */
+  public boolean isUploading() {
+    return isRunning();
+  }
+
+  @Override public boolean isRunning() {
+    UploadTask task = UploadTaskQueue.getInstance().getTask(mEntity.getKey());
+    return task != null && task.isRunning();
+  }
+
+  @Override protected boolean checkEntity() {
+    boolean b = checkUrl() && checkFilePath();
+    if (b) {
+      mEntity.save();
+      mTaskEntity.save();
+    }
+    return b;
+  }
+
+  /**
+   * 检查上传文件路径是否合法
+   *
+   * @return {@code true} 合法
+   */
+  private boolean checkFilePath() {
+    String filePath = mEntity.getFilePath();
+    if (TextUtils.isEmpty(filePath)) {
+      ALog.e(TAG, "上传失败，文件路径为null");
+      return false;
+    } else if (!filePath.startsWith("/")) {
+      ALog.e(TAG, "上传失败，文件路径【" + filePath + "】不合法");
+      return false;
+    }
+
+    File file = new File(mEntity.getFilePath());
+    if (!file.exists()) {
+      ALog.e(TAG, "上传失败，文件【" + filePath + "】不存在");
+      return false;
+    }
+    if (file.isDirectory()) {
+      ALog.e(TAG, "上传失败，文件【" + filePath + "】不能是文件夹");
+      return false;
+    }
+    return true;
+  }
+
+  /**
+   * 检查普通任务的下载地址
+   *
+   * @return {@code true}地址合法
+   */
+  protected boolean checkUrl() {
+    final String url = mTempUrl;
+    if (TextUtils.isEmpty(url)) {
+      ALog.e(TAG, "上传失败，url为null");
+      return false;
+    } else if (!url.startsWith("http") && !url.startsWith("ftp")) {
+      ALog.e(TAG, "上传失败，url【" + url + "】错误");
+      return false;
+    }
+    int index = url.indexOf("://");
+    if (index == -1) {
+      ALog.e(TAG, "上传失败，url【" + url + "】不合法");
+      return false;
+    }
+    mEntity.setUrl(url);
+    return true;
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/upload/BaseUListener.java

@@ -136,11 +136,11 @@ class BaseUListener<ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity<
   }
 
   private void saveData(int state, long location) {
-    mTaskEntity.state = state;
+    mTaskEntity.setState(state);
     mEntity.setState(state);
     mEntity.setComplete(state == IEntity.STATE_COMPLETE);
     if (state == IEntity.STATE_CANCEL) {
-      mTaskEntity.deleteData();
+      mEntity.deleteData();
       return;
     } else if (mEntity.isComplete()) {
       mEntity.setCompleteTime(System.currentTimeMillis());

Aria/src/main/java/com/arialyy/aria/core/upload/FtpUploadTarget.java

@@ -15,25 +15,23 @@
  */
 package com.arialyy.aria.core.upload;
 
-import android.support.annotation.NonNull;
-import android.text.TextUtils;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.command.normal.NormalCmdFactory;
+import com.arialyy.aria.core.delegate.FtpDelegate;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
-import com.arialyy.aria.core.inf.AbsUploadTarget;
-import com.arialyy.aria.core.manager.TEManager;
-import com.arialyy.aria.util.ALog;
-import com.arialyy.aria.util.CheckUtil;
+import com.arialyy.aria.core.inf.IFtpTarget;
 import com.arialyy.aria.util.CommonUtil;
-import java.io.File;
 
 /**
  * Created by Aria.Lao on 2017/7/27.
  * ftp单任务上传
  */
-public class FtpUploadTarget
-    extends AbsUploadTarget<FtpUploadTarget, UploadEntity, UploadTaskEntity> {
-  private final String TAG = "FtpUploadTarget";
+public class FtpUploadTarget extends BaseNormalTarget<FtpUploadTarget>
+    implements IFtpTarget<FtpUploadTarget> {
+  private FtpDelegate<FtpUploadTarget, UploadEntity, UploadTaskEntity> mDelegate;
+
+  private String mAccount, mUser, mPw;
+  private boolean needLogin = false;
 
   FtpUploadTarget(String filePath, String targetName) {
     this.mTargetName = targetName;
@@ -41,84 +39,52 @@ public class FtpUploadTarget
   }
 
   private void initTask(String filePath) {
-    mTaskEntity = TEManager.getInstance().getTEntity(UploadTaskEntity.class, filePath);
-    if (mTaskEntity == null) {
-      mTaskEntity = TEManager.getInstance().createTEntity(UploadTaskEntity.class, filePath);
-    }
-    mEntity = mTaskEntity.entity;
-    File file = new File(filePath);
-    mEntity.setFileName(file.getName());
-    mEntity.setFileSize(file.length());
-    mTaskEntity.requestType = AbsTaskEntity.U_FTP;
+    initTarget(filePath);
+    mTaskEntity.setRequestType(AbsTaskEntity.U_FTP);
+    mDelegate = new FtpDelegate<>(this, mTaskEntity);
   }
 
   /**
-   * 设置上传路径，FTP上传路径必须是从"/"开始的完整路径
-   *
-   * @param uploadUrl 上传路径
+   * 添加任务
    */
-  public FtpUploadTarget setUploadUrl(@NonNull String uploadUrl) {
-    uploadUrl = CheckUtil.checkUrl(uploadUrl);
-    if (!uploadUrl.endsWith("/")) {
-      uploadUrl += "/";
+  public void add() {
+    if (checkEntity()) {
+      AriaManager.getInstance(AriaManager.APP)
+          .setCmd(CommonUtil.createNormalCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_CREATE,
+              checkTaskType()))
+          .exe();
     }
-    mTaskEntity.urlEntity = CommonUtil.getFtpUrlInfo(uploadUrl);
-    if (mEntity.getUrl().equals(uploadUrl)) return this;
-    mEntity.setUrl(uploadUrl);
-    mEntity.update();
-    return this;
   }
 
-  /**
-   * 设置字符编码
-   */
-  public FtpUploadTarget charSet(String charSet) {
-    if (TextUtils.isEmpty(charSet)) return this;
-    mTaskEntity.charSet = charSet;
-    return this;
+  @Override protected boolean checkUrl() {
+    boolean b = super.checkUrl();
+    if (!b) {
+      return false;
+    }
+    mTaskEntity.setUrlEntity(CommonUtil.getFtpUrlInfo(mTempUrl));
+    mTaskEntity.getUrlEntity().account = mAccount;
+    mTaskEntity.getUrlEntity().user = mUser;
+    mTaskEntity.getUrlEntity().password = mPw;
+    mTaskEntity.getUrlEntity().needLogin = needLogin;
+    return true;
   }
 
-  /**
-   * ftp 用户登录信。
-   * 设置登录信息需要在设置上传链接之后{@link #setUploadUrl(String)}
-   *
-   * @param userName ftp用户名
-   * @param password ftp用户密码
-   */
-  public FtpUploadTarget login(String userName, String password) {
-    return login(userName, password, null);
+  @Override public FtpUploadTarget charSet(String charSet) {
+    return mDelegate.charSet(charSet);
   }
 
-  /**
-   * ftp 用户登录信息
-   * 设置登录信息需要在设置上传链接之后{@link #setUploadUrl(String)}
-   *
-   * @param userName ftp用户名
-   * @param password ftp用户密码
-   * @param account ftp账号
-   */
-  public FtpUploadTarget login(String userName, String password, String account) {
-    if (TextUtils.isEmpty(userName)) {
-      ALog.e(TAG, "用户名不能为null");
-      return this;
-    } else if (TextUtils.isEmpty(password)) {
-      ALog.e(TAG, "密码不能为null");
-      return this;
-    }
-    mTaskEntity.urlEntity.needLogin = true;
-    mTaskEntity.urlEntity.user = userName;
-    mTaskEntity.urlEntity.password = password;
-    mTaskEntity.urlEntity.account = account;
+  @Override public FtpUploadTarget login(String userName, String password) {
+    needLogin = true;
+    mUser = userName;
+    mPw = password;
     return this;
   }
 
-  /**
-   * 添加任务
-   */
-  public void add() {
-    AriaManager.getInstance(AriaManager.APP)
-        .setCmd(CommonUtil.createNormalCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_CREATE,
-            checkTaskType()))
-        .exe();
+  @Override public FtpUploadTarget login(String userName, String password, String account) {
+    needLogin = true;
+    mUser = userName;
+    mPw = password;
+    mAccount = account;
+    return this;
   }
 }

Aria/src/main/java/com/arialyy/aria/core/upload/UploadEntity.java

@@ -19,15 +19,17 @@ import android.os.Parcel;
 import android.os.Parcelable;
 import com.arialyy.aria.core.inf.AbsNormalEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
-import com.arialyy.aria.orm.Foreign;
-import com.arialyy.aria.orm.Primary;
+import com.arialyy.aria.orm.annotation.Primary;
 
 /**
  * Created by lyy on 2017/2/9.
  * 上传文件实体
  */
 public class UploadEntity extends AbsNormalEntity implements Parcelable {
-  @Primary @Foreign(table = UploadTaskEntity.class, column = "key") private String filePath;  //文件路径
+  /**
+   * 文件上传路径
+   */
+  @Primary private String filePath;
 
   /**
    * 上传完成后服务器返回的数据

Aria/src/main/java/com/arialyy/aria/core/upload/UploadReceiver.java

@@ -20,9 +20,8 @@ import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.command.ICmd;
 import com.arialyy.aria.core.command.normal.NormalCmdFactory;
 import com.arialyy.aria.core.common.ProxyHelper;
-import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.inf.AbsReceiver;
-import com.arialyy.aria.core.scheduler.ISchedulerListener;
 import com.arialyy.aria.core.scheduler.UploadSchedulers;
 import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.util.CheckUtil;
@@ -36,7 +35,6 @@ import java.util.Set;
  */
 public class UploadReceiver extends AbsReceiver<UploadEntity> {
   private static final String TAG = "UploadReceiver";
-  public ISchedulerListener<UploadTask> listener;
 
   /**
    * 加载HTTP单文件上传任务
@@ -72,10 +70,32 @@ public class UploadReceiver extends AbsReceiver<UploadEntity> {
     return DbEntity.findFirst(UploadEntity.class, "filePath=?", filePath) != null;
   }
 
+  /**
+   * 获取所有普通上传任务
+   * 获取未完成的普通任务列表{@link #getAllNotCompletTask()}
+   * 获取已经完成的普通任务列表{@link #getAllCompleteTask()}
+   */
   @Override public List<UploadEntity> getTaskList() {
     return DbEntity.findAllData(UploadEntity.class);
   }
 
+  /**
+   * 获取所有未完成的普通上传任务
+   */
+  public List<UploadEntity> getAllNotCompletTask() {
+    return UploadEntity.findDatas(UploadEntity.class,
+        "isGroupChild=? and isComplete=?", "false", "false");
+  }
+
+  /**
+   * 获取所有已经完成的普通任务
+   */
+  public List<UploadEntity> getAllCompleteTask() {
+    return UploadEntity.findDatas(UploadEntity.class,
+        "isGroupChild=? and isComplete=?", "false", "true");
+  }
+
+
   @Override public void stopAllTask() {
     AriaManager.getInstance(AriaManager.APP)
         .setCmd(NormalCmdFactory.getInstance()
@@ -93,7 +113,7 @@ public class UploadReceiver extends AbsReceiver<UploadEntity> {
   @Override public void removeAllTask(boolean removeFile) {
     final AriaManager am = AriaManager.getInstance(AriaManager.APP);
 
-    am.setCmd(CommonUtil.createNormalCmd(targetName, new DownloadTaskEntity(),
+    am.setCmd(CommonUtil.createNormalCmd(targetName, new UploadTaskEntity(),
         NormalCmdFactory.TASK_CANCEL_ALL, ICmd.TASK_TYPE_UPLOAD)).exe();
 
     Set<String> keys = am.getReceiver().keySet();
@@ -104,7 +124,6 @@ public class UploadReceiver extends AbsReceiver<UploadEntity> {
 
   @Override public void destroy() {
     targetName = null;
-    listener = null;
   }
 
   /**

Aria/src/main/java/com/arialyy/aria/core/upload/UploadTarget.java

@@ -16,16 +16,19 @@
 package com.arialyy.aria.core.upload;
 
 import android.support.annotation.NonNull;
-import com.arialyy.aria.core.inf.AbsUploadTarget;
-import com.arialyy.aria.core.manager.TEManager;
+import com.arialyy.aria.core.common.RequestEnum;
+import com.arialyy.aria.core.delegate.HttpHeaderDelegate;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
-import java.io.File;
+import com.arialyy.aria.core.inf.IHttpHeaderTarget;
+import java.util.Map;
 
 /**
  * Created by lyy on 2017/2/28.
- * http 当文件上传
+ * http 单文件上传
  */
-public class UploadTarget extends AbsUploadTarget<UploadTarget, UploadEntity, UploadTaskEntity> {
+public class UploadTarget extends BaseNormalTarget<UploadTarget>
+    implements IHttpHeaderTarget<UploadTarget> {
+  private HttpHeaderDelegate<UploadTarget, UploadEntity, UploadTaskEntity> mDelegate;
 
   UploadTarget(String filePath, String targetName) {
     this.mTargetName = targetName;
@@ -33,24 +36,19 @@ public class UploadTarget extends AbsUploadTarget<UploadTarget, UploadEntity, Up
   }
 
   private void initTask(String filePath) {
-    mTaskEntity = TEManager.getInstance().getTEntity(UploadTaskEntity.class, filePath);
-    if (mTaskEntity == null) {
-      mTaskEntity = TEManager.getInstance().createTEntity(UploadTaskEntity.class, filePath);
-    }
-    mEntity = mTaskEntity.entity;
-    File file = new File(filePath);
-    mEntity.setFileName(file.getName());
-    mEntity.setFileSize(file.length());
+    initTarget(filePath);
+
     //http暂时不支持断点上传
-    mTaskEntity.isSupportBP = false;
-    mTaskEntity.requestType = AbsTaskEntity.U_HTTP;
+    mTaskEntity.setSupportBP(false);
+    mTaskEntity.setRequestType(AbsTaskEntity.U_HTTP);
+    mDelegate = new HttpHeaderDelegate<>(this, mTaskEntity);
   }
 
   /**
    * 设置userAgent
    */
   public UploadTarget setUserAngent(@NonNull String userAgent) {
-    mTaskEntity.userAgent = userAgent;
+    mTaskEntity.setUserAgent(userAgent);
     return this;
   }
 
@@ -60,7 +58,7 @@ public class UploadTarget extends AbsUploadTarget<UploadTarget, UploadEntity, Up
    * @param attachment 附件key
    */
   public UploadTarget setAttachment(@NonNull String attachment) {
-    mTaskEntity.attachment = attachment;
+    mTaskEntity.setAttachment(attachment);
     return this;
   }
 
@@ -70,7 +68,19 @@ public class UploadTarget extends AbsUploadTarget<UploadTarget, UploadEntity, Up
    * @param contentType tip：multipart/form-data
    */
   public UploadTarget setContentType(String contentType) {
-    mTaskEntity.contentType = contentType;
+    mTaskEntity.setContentType(contentType);
     return this;
   }
+
+  @Override public UploadTarget addHeader(@NonNull String key, @NonNull String value) {
+    return mDelegate.addHeader(key, value);
+  }
+
+  @Override public UploadTarget addHeaders(Map<String, String> headers) {
+    return mDelegate.addHeaders(headers);
+  }
+
+  @Override public UploadTarget setRequestMode(RequestEnum requestEnum) {
+    return mDelegate.setRequestMode(requestEnum);
+  }
 }

Aria/src/main/java/com/arialyy/aria/core/upload/uploader/FtpFileInfoThread.java

@@ -16,6 +16,7 @@
 package com.arialyy.aria.core.upload.uploader;
 
 import com.arialyy.aria.core.common.AbsFtpInfoThread;
+import com.arialyy.aria.core.common.CompleteInfo;
 import com.arialyy.aria.core.common.OnFileInfoCallback;
 import com.arialyy.aria.core.upload.UploadEntity;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
@@ -39,8 +40,7 @@ class FtpFileInfoThread extends AbsFtpInfoThread<UploadEntity, UploadTaskEntity>
   }
 
   @Override protected String setRemotePath() {
-    String url = mEntity.getUrl();
-    return mTaskEntity.urlEntity.remotePath + "/" + mEntity.getFileName();
+    return mTaskEntity.getUrlEntity().remotePath + "/" + mEntity.getFileName();
   }
 
   /**
@@ -57,6 +57,7 @@ class FtpFileInfoThread extends AbsFtpInfoThread<UploadEntity, UploadTaskEntity>
       //远程文件已完成
       if (ftpFile.getSize() == mEntity.getFileSize()) {
         isComplete = true;
+        ALog.d(TAG, "FTP服务器上已存在该文件【" + ftpFile.getName() + "】");
       } else {
         ALog.w(TAG, "FTP服务器已存在未完成的文件【"
             + ftpFile.getName()
@@ -64,16 +65,16 @@ class FtpFileInfoThread extends AbsFtpInfoThread<UploadEntity, UploadTaskEntity>
             + ftpFile.getSize()
             + "】"
             + "尝试从位置："
-            + ftpFile.getSize()
+            + (ftpFile.getSize() - 1)
             + "开始上传");
         File configFile = new File(CommonUtil.getFileConfigPath(false, mEntity.getFileName()));
         Properties pro = CommonUtil.loadConfig(configFile);
         String key = mEntity.getFileName() + "_record_" + 0;
-        mTaskEntity.isNewTask = false;
+        mTaskEntity.setNewTask(false);
         long oldRecord = Long.parseLong(pro.getProperty(key, "0"));
-        if (oldRecord == 0) {
+        if (oldRecord == 0 || oldRecord != ftpFile.getSize()) {
           //修改本地保存的停止地址为服务器上对应文件的大小
-          pro.setProperty(key, ftpFile.getSize() + "");
+          pro.setProperty(key, (ftpFile.getSize() - 1) + "");
           CommonUtil.saveConfig(configFile, pro);
         }
       }
@@ -82,6 +83,6 @@ class FtpFileInfoThread extends AbsFtpInfoThread<UploadEntity, UploadTaskEntity>
 
   @Override protected void onPreComplete(int code) {
     super.onPreComplete(code);
-    mCallback.onComplete(mEntity.getKey(), isComplete ? CODE_COMPLETE : code);
+    mCallback.onComplete(mEntity.getKey(), new CompleteInfo(isComplete ? CODE_COMPLETE : code));
   }
 }

Aria/src/main/java/com/arialyy/aria/core/upload/uploader/FtpThreadTask.java

@@ -32,7 +32,7 @@ import org.apache.commons.net.ftp.OnFtpInputStreamListener;
 
 /**
  * Created by Aria.Lao on 2017/7/28.
- * FTP 单线程上传任务，需要FTP 服务器给用户打开删除和读入IO的权限
+ * FTP 单线程上传任务，需要FTP 服务器给用户打开append和write的权限
  */
 class FtpThreadTask extends AbsFtpThreadTask<UploadEntity, UploadTaskEntity> {
   private final String TAG = "FtpUploadThreadTask";
@@ -112,9 +112,9 @@ class FtpThreadTask extends AbsFtpThreadTask<UploadEntity, UploadTaskEntity> {
   }
 
   private void initPath() throws UnsupportedEncodingException {
-    dir = new String(mTaskEntity.urlEntity.remotePath.getBytes(charSet), SERVER_CHARSET);
+    dir = new String(mTaskEntity.getUrlEntity().remotePath.getBytes(charSet), SERVER_CHARSET);
     remotePath = new String(
-        ("/" + mTaskEntity.urlEntity.remotePath + mEntity.getFileName()).getBytes(charSet),
+        ("/" + mTaskEntity.getUrlEntity().remotePath + "/" + mEntity.getFileName()).getBytes(charSet),
         SERVER_CHARSET);
   }
 

Aria/src/main/java/com/arialyy/aria/core/upload/uploader/HttpThreadTask.java

@@ -15,6 +15,7 @@
  */
 package com.arialyy.aria.core.upload.uploader;
 
+import android.util.Log;
 import com.arialyy.aria.core.common.AbsThreadTask;
 import com.arialyy.aria.core.common.StateConstance;
 import com.arialyy.aria.core.common.SubThreadConfig;
@@ -65,30 +66,33 @@ class HttpThreadTask extends AbsThreadTask<UploadEntity, UploadTaskEntity> {
     try {
       url = new URL(mEntity.getUrl());
       mHttpConn = (HttpURLConnection) url.openConnection();
+      mHttpConn.setRequestMethod(mTaskEntity.getRequestEnum().name);
       mHttpConn.setUseCaches(false);
       mHttpConn.setDoOutput(true);
       mHttpConn.setDoInput(true);
+      mHttpConn.setRequestProperty("Connection", "Keep-Alive");
       mHttpConn.setRequestProperty("Content-Type",
-          mTaskEntity.contentType + "; boundary=" + BOUNDARY);
-      mHttpConn.setRequestProperty("User-Agent", mTaskEntity.userAgent);
+          mTaskEntity.getContentType() + "; boundary=" + BOUNDARY);
+      mHttpConn.setRequestProperty("User-Agent", mTaskEntity.getUserAgent());
+      mHttpConn.setConnectTimeout(5000);
       //mHttpConn.setRequestProperty("Range", "bytes=" + 0 + "-" + "100");
       //内部缓冲区---分段上传防止oom
       mHttpConn.setChunkedStreamingMode(1024);
 
       //添加Http请求头部
-      Set<String> keys = mTaskEntity.headers.keySet();
+      Set<String> keys = mTaskEntity.getHeaders().keySet();
       for (String key : keys) {
-        mHttpConn.setRequestProperty(key, mTaskEntity.headers.get(key));
+        mHttpConn.setRequestProperty(key, mTaskEntity.getHeaders().get(key));
       }
       mOutputStream = mHttpConn.getOutputStream();
       PrintWriter writer =
-          new PrintWriter(new OutputStreamWriter(mOutputStream, mTaskEntity.charSet), true);
+          new PrintWriter(new OutputStreamWriter(mOutputStream, mTaskEntity.getCharSet()), true);
       //添加文件上传表单字段
-      keys = mTaskEntity.formFields.keySet();
+      keys = mTaskEntity.getFormFields().keySet();
       for (String key : keys) {
-        addFormField(writer, key, mTaskEntity.formFields.get(key));
+        addFormField(writer, key, mTaskEntity.getFormFields().get(key));
       }
-      uploadFile(writer, mTaskEntity.attachment, uploadFile);
+      uploadFile(writer, mTaskEntity.getAttachment(), uploadFile);
       mTaskEntity.getEntity().setResponseStr(finish(writer));
       mListener.onComplete();
     } catch (Exception e) {
@@ -119,7 +123,7 @@ class HttpThreadTask extends AbsThreadTask<UploadEntity, UploadTaskEntity> {
         .append("\"")
         .append(LINE_END);
     writer.append("Content-Type: text/plain; charset=")
-        .append(mTaskEntity.charSet)
+        .append(mTaskEntity.getCharSet())
         .append(LINE_END);
     writer.append(LINE_END);
     writer.append(value).append(LINE_END);

Aria/src/main/java/com/arialyy/aria/core/upload/uploader/SimpleUploadUtil.java

@@ -15,6 +15,7 @@
  */
 package com.arialyy.aria.core.upload.uploader;
 
+import com.arialyy.aria.core.common.CompleteInfo;
 import com.arialyy.aria.core.common.IUtil;
 import com.arialyy.aria.core.common.OnFileInfoCallback;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
@@ -48,11 +49,11 @@ public class SimpleUploadUtil implements IUtil, Runnable {
 
   @Override public void run() {
     mListener.onPre();
-    switch (mTaskEntity.requestType) {
+    switch (mTaskEntity.getRequestType()) {
       case AbsTaskEntity.U_FTP:
         new FtpFileInfoThread(mTaskEntity, new OnFileInfoCallback() {
-          @Override public void onComplete(String url, int code) {
-            if (code == FtpFileInfoThread.CODE_COMPLETE) {
+          @Override public void onComplete(String url, CompleteInfo info) {
+            if (info.code == FtpFileInfoThread.CODE_COMPLETE) {
               mListener.onComplete();
             } else {
               mUploader.start();

Aria/src/main/java/com/arialyy/aria/core/upload/uploader/Uploader.java

@@ -50,7 +50,7 @@ class Uploader extends AbsFileer<UploadEntity, UploadTaskEntity> {
    */
   protected void checkTask() {
     mConfigFile = new File(CommonUtil.getFileConfigPath(false, mEntity.getFileName()));
-    if (!mTaskEntity.isSupportBP) {
+    if (!mTaskEntity.isSupportBP()) {
       isNewTask = true;
       return;
     }
@@ -65,16 +65,16 @@ class Uploader extends AbsFileer<UploadEntity, UploadTaskEntity> {
     }
   }
 
-  @Override protected void handleNewTask() {
-
+  @Override protected boolean handleNewTask() {
+    return true;
   }
 
-  @Override protected int getNewTaskThreadNum() {
+  @Override protected int setNewTaskThreadNum() {
     return 1;
   }
 
   @Override protected AbsThreadTask selectThreadTask(SubThreadConfig<UploadTaskEntity> config) {
-    switch (mTaskEntity.requestType) {
+    switch (mTaskEntity.getRequestType()) {
       case AbsTaskEntity.U_FTP:
         return new FtpThreadTask(mConstance, mListener, config);
       case AbsTaskEntity.U_HTTP:

Aria/src/main/java/com/arialyy/aria/core/upload/wrapper/UTEWrapper.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.upload.wrapper;
+
+import com.arialyy.aria.core.upload.UploadEntity;
+import com.arialyy.aria.core.upload.UploadTaskEntity;
+import com.arialyy.aria.orm.AbsWrapper;
+import com.arialyy.aria.orm.annotation.Many;
+import com.arialyy.aria.orm.annotation.One;
+import com.arialyy.aria.orm.annotation.Wrapper;
+import java.util.List;
+
+/**
+ * Created by laoyuyu on 2018/3/30.
+ */
+@Wrapper
+public class UTEWrapper extends AbsWrapper {
+
+  @One
+  public UploadEntity entity;
+
+  @Many(parentColumn = "filePath", entityColumn = "key")
+  private List<UploadTaskEntity> taskEntitys = null;
+
+  public UploadTaskEntity taskEntity;
+
+  @Override public void handleConvert() {
+    //taskEntity.entity = (tEntity == null || tEntity.isEmpty()) ? null : tEntity.get(0);
+    taskEntity = (taskEntitys == null || taskEntitys.isEmpty()) ? null : taskEntitys.get(0);
+    if (taskEntity != null) {
+      taskEntity.setEntity(entity);
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/orm/AbsDelegate.java

@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm;
+
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.support.v4.util.LruCache;
+import android.text.TextUtils;
+import com.arialyy.aria.util.ALog;
+import com.arialyy.aria.util.CommonUtil;
+import java.lang.reflect.Field;
+import java.net.URLEncoder;
+
+/**
+ * Created by laoyuyu on 2018/3/22.
+ */
+abstract class AbsDelegate {
+  static final String TAG = "AbsDelegate";
+  static final int CREATE_TABLE = 0;
+  static final int TABLE_EXISTS = 1;
+  static final int INSERT_DATA = 2;
+  static final int MODIFY_DATA = 3;
+  static final int FIND_DATA = 4;
+  static final int FIND_ALL_DATA = 5;
+  static final int DEL_DATA = 6;
+  static final int ROW_ID = 7;
+  static final int RELATION = 8;
+  static final int DROP_TABLE = 9;
+
+  static LruCache<String, DbEntity> mDataCache = new LruCache<>(1024);
+
+  /**
+   * 打印数据库日志
+   *
+   * @param type {@link DelegateWrapper}
+   */
+  static void print(int type, String sql) {
+    if (!ALog.DEBUG) {
+      return;
+    }
+    String str = "";
+    switch (type) {
+      case CREATE_TABLE:
+        str = "创建表 >>>> ";
+        break;
+      case TABLE_EXISTS:
+        str = "表是否存在 >>>> ";
+        break;
+      case INSERT_DATA:
+        str = "插入数据 >>>> ";
+        break;
+      case MODIFY_DATA:
+        str = "修改数据 >>>> ";
+        break;
+      case FIND_DATA:
+        str = "查询一行数据 >>>> ";
+        break;
+      case FIND_ALL_DATA:
+        str = "遍历整个数据库 >>>> ";
+        break;
+      case ROW_ID:
+        str = "查询RowId >>> ";
+        break;
+      case RELATION:
+        str = "查询关联表 >>> ";
+        break;
+      case DROP_TABLE:
+        str = "删除表 >>> ";
+        break;
+    }
+    ALog.d(TAG, str.concat(sql));
+  }
+
+  String getCacheKey(DbEntity dbEntity) {
+    return dbEntity.getClass().getName() + "_" + dbEntity.rowID;
+  }
+
+  /**
+   * 检查list参数是否合法，list只能是{@code List<String>}
+   *
+   * @return {@code true} 合法
+   */
+  boolean checkList(Field list) {
+    Class t = CommonUtil.getListParamType(list);
+    if (t != null && t == String.class) {
+      return true;
+    } else {
+      ALog.d(TAG, "map参数错误，支持List<String>的参数字段");
+      return false;
+    }
+  }
+
+  /**
+   * 检查map参数是否合法，map只能是{@code Map<String, String>}
+   *
+   * @return {@code true} 合法
+   */
+  boolean checkMap(Field map) {
+    Class[] ts = CommonUtil.getMapParamType(map);
+    if (ts != null
+        && ts[0] != null
+        && ts[1] != null
+        && ts[0] == String.class
+        && ts[1] == String.class) {
+      return true;
+    } else {
+      ALog.d(TAG, "map参数错误，支持Map<String,String>的参数字段");
+      return false;
+    }
+  }
+
+  /**
+   * 为了防止特殊字符串导致存储失败，需要使用URL编码保存的字符串
+   *
+   * @param value 需要保存的内容
+   * @return 转换后的内容
+   */
+  String convertValue(String value) {
+    if (!TextUtils.isEmpty(value) && value.contains("'")) {
+      return URLEncoder.encode(value);
+    }
+    return value;
+  }
+
+  void closeCursor(Cursor cursor) {
+    if (cursor != null && !cursor.isClosed()) {
+      try {
+        cursor.close();
+      } catch (android.database.SQLException e) {
+        e.printStackTrace();
+      }
+    }
+  }
+
+  void close(SQLiteDatabase db) {
+    //if (db != null && db.isOpen()) db.close();
+  }
+
+  /**
+   * 检查数据库是否关闭，已经关闭的话，打开数据库
+   *
+   * @return 返回数据库
+   */
+  SQLiteDatabase checkDb(SQLiteDatabase db) {
+    if (db == null || !db.isOpen()) {
+      db = SqlHelper.INSTANCE.getWritableDatabase();
+    }
+    return db;
+  }
+}

Aria/src/main/java/com/arialyy/aria/orm/AbsWrapper.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm;
+
+/**
+ * Created by laoyuyu on 2018/3/30.
+ */
+public abstract class AbsWrapper {
+
+  /**
+   * 处理转换
+   */
+  protected abstract void handleConvert();
+}

Aria/src/main/java/com/arialyy/aria/orm/ActionPolicy.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm;
+
+import com.arialyy.aria.orm.annotation.Foreign;
+
+/**
+ * Created by laoyuyu on 2018/3/22.
+ * on update 或 on delete 都可跟不同action功能
+ *
+ * @see <a href="https://sqlite.org/foreignkeys.html"></a>
+ * {@link Foreign#onDelete()}、{@link Foreign#onUpdate()}
+ */
+public enum ActionPolicy {
+
+  /**
+   * 如果子表中有匹配的记录,则不允许对父表对应候选键进行update/delete操作
+   */
+  NO_ACTION("NO ACTION"),
+
+  /**
+   * 和NO ACTION 作用一致，和NO ACTION的区别是：
+   * 主表update/delete执行时，马上就触发约束；
+   * 而NO ACTION 是执行完成语句后才触发约束，
+   */
+  RESTRICT("RESTRICT"),
+
+  /**
+   * 在父表上update/delete记录时，将子表上匹配记录的列设为null (要注意子表的外键列不能为not null)
+   */
+  SET_NULL("SET NULL"),
+
+  /**
+   * 父表有变更时,子表将外键列设置成一个默认的值，default配置的值
+   */
+  SET_DEFAULT("SET DEFAULT"),
+
+  /**
+   * 在父表上update/delete记录时，同步update/delete掉子表的匹配记录
+   */
+  CASCADE("CASCADE");
+
+  String function;
+
+  ActionPolicy(String function) {
+    this.function = function;
+  }
+
+}

Aria/src/main/java/com/arialyy/aria/orm/DBConfig.java

@@ -16,8 +16,6 @@
 package com.arialyy.aria.orm;
 
 import android.text.TextUtils;
-import com.arialyy.aria.core.ErrorEntity;
-import com.arialyy.aria.core.UrlMapping;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadGroupEntity;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
@@ -32,9 +30,15 @@ import java.util.Map;
  * 数据库配置信息
  */
 class DBConfig {
+  /*adb pull /mnt/sdcard/Android/data/com.arialyy.simple/files/DB/AriaLyyDb d:/db*/
   static Map<String, Class> mapping = new HashMap<>();
   static String DB_NAME;
-  static int VERSION = 23;
+  static int VERSION = 31;
+
+  /**
+   * 是否将数据库保存在Sd卡，{@code true} 是
+   */
+  static final boolean SAVE_IN_SDCARD = false;
 
   static {
     if (TextUtils.isEmpty(DB_NAME)) {
@@ -46,13 +50,11 @@ class DBConfig {
   }
 
   static {
-    mapping.put("DownloadEntity", DownloadEntity.class);
+    mapping.put("DownloadGroupTaskEntity", DownloadGroupTaskEntity.class);
     mapping.put("DownloadGroupEntity", DownloadGroupEntity.class);
     mapping.put("DownloadTaskEntity", DownloadTaskEntity.class);
-    mapping.put("DownloadGroupTaskEntity", DownloadGroupTaskEntity.class);
-    mapping.put("UploadEntity", UploadEntity.class);
     mapping.put("UploadTaskEntity", UploadTaskEntity.class);
-    mapping.put("ErrorEntity", ErrorEntity.class);
-    //mapping.put("UrlMapping", UrlMapping.class);
+    mapping.put("DownloadEntity", DownloadEntity.class);
+    mapping.put("UploadEntity", UploadEntity.class);
   }
 }

Aria/src/main/java/com/arialyy/aria/orm/DatabaseContext.java

@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm;
+
+import android.content.Context;
+import android.content.ContextWrapper;
+import android.database.DatabaseErrorHandler;
+import android.database.sqlite.SQLiteDatabase;
+import com.arialyy.aria.util.CommonUtil;
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * 保存在sd卡的数据库使用的Context
+ */
+class DatabaseContext extends ContextWrapper {
+  public DatabaseContext(Context context) {
+    super(context);
+  }
+
+  /**
+   * 获得数据库路径，如果不存在，则创建对象对象
+   */
+  @Override
+  public File getDatabasePath(String name) {
+    String dbDir = CommonUtil.getAppPath(getBaseContext());
+
+    dbDir += "DB";//数据库所在目录
+    String dbPath = dbDir + "/" + name;//数据库路径
+    //判断目录是否存在，不存在则创建该目录
+    File dirFile = new File(dbDir);
+    if (!dirFile.exists()) {
+      dirFile.mkdirs();
+    }
+
+    //数据库文件是否创建成功
+    boolean isFileCreateSuccess = false;
+    //判断文件是否存在，不存在则创建该文件
+    File dbFile = new File(dbPath);
+    if (!dbFile.exists()) {
+      try {
+        isFileCreateSuccess = dbFile.createNewFile();//创建文件
+      } catch (IOException e) {
+        e.printStackTrace();
+      }
+    } else {
+      isFileCreateSuccess = true;
+    }
+
+    //返回数据库文件对象
+    if (isFileCreateSuccess) {
+      return dbFile;
+    } else {
+      return null;
+    }
+  }
+
+  /**
+   * 重载这个方法，是用来打开SD卡上的数据库的，android 2.3及以下会调用这个方法。
+   */
+  @Override
+  public SQLiteDatabase openOrCreateDatabase(String name, int mode,
+      SQLiteDatabase.CursorFactory factory) {
+    return SQLiteDatabase.openOrCreateDatabase(getDatabasePath(name), null);
+  }
+
+  /**
+   * Android 4.0会调用此方法获取数据库。
+   *
+   * @see android.content.ContextWrapper#openOrCreateDatabase(java.lang.String, int,
+   * android.database.sqlite.SQLiteDatabase.CursorFactory,
+   * android.database.DatabaseErrorHandler)
+   */
+  @Override
+  public SQLiteDatabase openOrCreateDatabase(String name, int mode,
+      SQLiteDatabase.CursorFactory factory,
+      DatabaseErrorHandler errorHandler) {
+    return SQLiteDatabase.openOrCreateDatabase(getDatabasePath(name), null);
+  }
+}

Aria/src/main/java/com/arialyy/aria/orm/DbEntity.java

@@ -16,35 +16,29 @@
 
 package com.arialyy.aria.orm;
 
-import android.support.annotation.NonNull;
-import com.arialyy.aria.util.CommonUtil;
-import java.lang.reflect.Field;
-import java.lang.reflect.Type;
-import java.util.ArrayList;
 import java.util.List;
-import java.util.Map;
 
 /**
  * Created by lyy on 2015/11/2.
  * 所有数据库实体父类
  */
-public class DbEntity {
+public abstract class DbEntity {
   private static final Object LOCK = new Object();
-  protected int rowID = -1;
+  protected long rowID = -1;
 
   protected DbEntity() {
 
   }
 
-  ///**
-  // * 关键字模糊检索全文
-  // *
-  // * @param column 需要查找的列
-  // * @param mathSql 关键字语法，exsimple “white OR green”、“blue AND red”、“white NOT green”
-  // */
-  //public static <T extends DbEntity> List<T> searchData(Class<T> clazz, String column, String mathSql) {
-  //  return DbUtil.getInstance().searchData(clazz, column, mathSql);
-  //}
+  /**
+   * 查询关联数据
+   *
+   * @param expression 查询条件
+   */
+  public static <T extends AbsWrapper> List<T> findRelationData(Class<T> clazz,
+      String... expression) {
+    return DelegateWrapper.getInstance().findRelationData(clazz, expression);
+  }
 
   /**
    * 检查某个字段的值是否存在
@@ -53,21 +47,21 @@ public class DbEntity {
    * @return {@code true}该字段的对应的value已存在
    */
   public static boolean checkDataExist(Class clazz, String... expression) {
-    return DbUtil.getInstance().checkDataExist(clazz, expression);
+    return DelegateWrapper.getInstance().checkDataExist(clazz, expression);
   }
 
   /**
    * 清空表数据
    */
   public static <T extends DbEntity> void clean(Class<T> clazz) {
-    DbUtil.getInstance().clean(clazz);
+    DelegateWrapper.getInstance().clean(clazz);
   }
 
   /**
    * 直接执行sql语句
    */
   public static void exeSql(String sql) {
-    DbUtil.getInstance().exeSql(sql);
+    DelegateWrapper.getInstance().exeSql(sql);
   }
 
   /**
@@ -76,7 +70,7 @@ public class DbEntity {
    * @return 没有数据返回null
    */
   public static <T extends DbEntity> List<T> findAllData(Class<T> clazz) {
-    DbUtil util = DbUtil.getInstance();
+    DelegateWrapper util = DelegateWrapper.getInstance();
     return util.findAllData(clazz);
   }
 
@@ -97,7 +91,7 @@ public class DbEntity {
    * @return 没有数据返回null
    */
   public static <T extends DbEntity> List<T> findDatas(Class<T> clazz, String... expression) {
-    DbUtil util = DbUtil.getInstance();
+    DelegateWrapper util = DelegateWrapper.getInstance();
     return util.findData(clazz, expression);
   }
 
@@ -110,25 +104,11 @@ public class DbEntity {
    * @return 没有数据返回null
    */
   public static <T extends DbEntity> T findFirst(Class<T> clazz, String... expression) {
-    DbUtil util = DbUtil.getInstance();
+    DelegateWrapper util = DelegateWrapper.getInstance();
     List<T> datas = util.findData(clazz, expression);
     return datas == null ? null : datas.size() > 0 ? datas.get(0) : null;
   }
 
-  /**
-   * 获取所有行的rowid
-   */
-  public int[] getRowIds() {
-    return DbUtil.getInstance().getRowId(getClass());
-  }
-
-  /**
-   * 获取rowid
-   */
-  public int getRowId(@NonNull Object[] wheres, @NonNull Object[] values) {
-    return DbUtil.getInstance().getRowId(getClass(), wheres, values);
-  }
-
   /**
    * 删除当前数据
    */
@@ -143,7 +123,7 @@ public class DbEntity {
    * </code>
    */
   public static <T extends DbEntity> void deleteData(Class<T> clazz, String... expression) {
-    DbUtil util = DbUtil.getInstance();
+    DelegateWrapper util = DelegateWrapper.getInstance();
     util.delData(clazz, expression);
   }
 
@@ -151,11 +131,12 @@ public class DbEntity {
    * 修改数据
    */
   public void update() {
-    DbUtil.getInstance().modifyData(this);
+    DelegateWrapper.getInstance().modifyData(this);
   }
 
   /**
    * 保存自身，如果表中已经有数据，则更新数据，否则插入数据
+   * 只有 target中checkEntity成功后才能保存，创建实体部分也不允许保存
    */
   public void save() {
     synchronized (LOCK) {
@@ -171,58 +152,14 @@ public class DbEntity {
    * 查找数据在表中是否存在
    */
   private boolean thisIsExist() {
-    DbUtil util = DbUtil.getInstance();
-    return util.isExist(getClass(), rowID);
+    DelegateWrapper util = DelegateWrapper.getInstance();
+    return rowID != -1 && util.isExist(getClass(), rowID);
   }
 
   /**
-   * 插入数据
+   * 插入数据，只有 target中checkEntity成功后才能插入，创建实体部分也不允许操作
    */
   public void insert() {
-    DbUtil.getInstance().insertData(this);
-    updateRowID();
-  }
-
-  private <T extends DbEntity> T findFirst(Class<T> clazz, @NonNull String[] wheres,
-      @NonNull String[] values) {
-    DbUtil util = DbUtil.getInstance();
-    List<T> list = util.findData(clazz, wheres, values);
-    return list == null ? null : list.get(0);
-  }
-
-  private void updateRowID() {
-    try {
-      List<Field> fields = CommonUtil.getAllFields(getClass());
-      List<String> where = new ArrayList<>();
-      List<String> values = new ArrayList<>();
-      for (Field field : fields) {
-        field.setAccessible(true);
-        if (SqlUtil.ignoreField(field)) {
-          continue;
-        }
-        where.add(field.getName());
-        Type type = field.getType();
-        if (SqlUtil.isOneToOne(field)) {
-          values.add(SqlUtil.getOneToOneParams(field));
-        } else if (type == List.class) {
-          if (SqlUtil.isOneToMany(field)) {
-            values.add(SqlUtil.getOneToManyElementParams(field));
-          } else {
-            values.add(SqlUtil.list2Str(this, field));
-          }
-        } else if (type == Map.class) {
-          values.add(SqlUtil.map2Str((Map<String, String>) field.get(this)));
-        } else {
-          values.add(field.get(this) + "");
-        }
-      }
-      DbEntity entity = findFirst(getClass(), where.toArray(new String[where.size()]),
-          values.toArray(new String[values.size()]));
-      if (entity != null) {
-        rowID = entity.rowID;
-      }
-    } catch (IllegalAccessException e) {
-      e.printStackTrace();
-    }
+    DelegateWrapper.getInstance().insertData(this);
   }
 }

Aria/src/main/java/com/arialyy/aria/orm/DbUtil.java

@@ -1,249 +0,0 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.arialyy.aria.orm;
-
-import android.app.Application;
-import android.content.Context;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.support.annotation.NonNull;
-import com.arialyy.aria.core.AriaManager;
-import com.arialyy.aria.util.ALog;
-import com.arialyy.aria.util.CheckUtil;
-import com.arialyy.aria.util.CommonUtil;
-import java.util.List;
-
-/**
- * Created by lyy on 2015/2/11.
- * 数据库操作工具
- */
-public class DbUtil {
-  private static final String TAG = "DbUtil";
-  private volatile static DbUtil INSTANCE = null;
-  private int ROW_ID = 7;
-  private SQLiteDatabase mDb;
-  private SqlHelper mHelper;
-
-  private DbUtil() {
-
-  }
-
-  private DbUtil(Context context) {
-    mHelper = SqlHelper.init(context.getApplicationContext());
-  }
-
-  public static DbUtil init(Context context) {
-    if (context instanceof Application) {
-      synchronized (AriaManager.LOCK) {
-        if (INSTANCE == null) {
-          INSTANCE = new DbUtil(context);
-        }
-      }
-    }
-    return INSTANCE;
-  }
-
-  protected static DbUtil getInstance() {
-    if (INSTANCE == null) {
-      throw new NullPointerException("请在Application中调用init进行数据库工具注册注册");
-    }
-    return INSTANCE;
-  }
-
-  ///**
-  // * 关键字模糊检索全文
-  // *
-  // * @param column 需要查找的列
-  // * @param mathSql 关键字语法，exsimple “white OR green”、“blue AND red”、“white NOT green”
-  // */
-  //public <T extends DbEntity> List<T> searchData(Class<T> clazz, String column, String mathSql) {
-  //  checkDb();
-  //  return SqlHelper.searchData(mDb, clazz, column, mathSql);
-  //}
-
-  /**
-   * 检查某个字段的值是否存在
-   *
-   * @param expression 字段和值"url=xxx"
-   * @return {@code true}该字段的对应的value已存在
-   */
-  synchronized boolean checkDataExist(Class clazz, String... expression) {
-    checkDb();
-    return SqlHelper.checkDataExist(mDb, clazz, expression);
-  }
-
-  /**
-   * 清空表数据
-   */
-  synchronized <T extends DbEntity> void clean(Class<T> clazz) {
-    checkDb();
-    String tableName = CommonUtil.getClassName(clazz);
-    if (tableExists(clazz)) {
-      String sql = "DELETE FROM " + tableName;
-      exeSql(sql);
-    }
-  }
-
-  /**
-   * 执行sql语句
-   */
-  void exeSql(String sql) {
-    mDb.execSQL(sql);
-  }
-
-  /**
-   * 删除某条数据
-   */
-  synchronized <T extends DbEntity> void delData(Class<T> clazz, String... expression) {
-    CheckUtil.checkSqlExpression(expression);
-    checkDb();
-    SqlHelper.delData(mDb, clazz, expression);
-  }
-
-  /**
-   * 修改某行数据
-   */
-  synchronized void modifyData(DbEntity dbEntity) {
-    checkDb();
-    SqlHelper.modifyData(mDb, dbEntity);
-  }
-
-  /**
-   * 遍历所有数据
-   */
-  synchronized <T extends DbEntity> List<T> findAllData(Class<T> clazz) {
-    checkDb();
-    return SqlHelper.findAllData(mDb, clazz);
-  }
-
-  /**
-   * 条件查寻数据
-   */
-  synchronized <T extends DbEntity> List<T> findData(Class<T> clazz, String... expression) {
-    checkDb();
-    return SqlHelper.findData(mDb, clazz, expression);
-  }
-
-  /**
-   * 通过rowId判断数据是否存在
-   */
-  synchronized <T extends DbEntity> boolean isExist(Class<T> clazz, int rowId) {
-    checkDb();
-    String sql = "SELECT rowid FROM " + CommonUtil.getClassName(clazz) + " WHERE rowid=" + rowId;
-    Cursor cursor = mDb.rawQuery(sql, null);
-    boolean isExist = cursor.getCount() > 0;
-    cursor.close();
-    return isExist;
-  }
-
-  /**
-   * 条件查寻数据
-   */
-  @Deprecated synchronized <T extends DbEntity> List<T> findData(Class<T> clazz,
-      @NonNull String[] wheres, @NonNull String[] values) {
-    checkDb();
-    return SqlHelper.findData(mDb, clazz, wheres, values);
-  }
-
-  /**
-   * 插入数据
-   */
-  synchronized void insertData(DbEntity dbEntity) {
-    checkDb();
-    SqlHelper.insertData(mDb, dbEntity);
-  }
-
-  /**
-   * 查找某张表是否存在
-   */
-  synchronized boolean tableExists(Class clazz) {
-    checkDb();
-    return SqlHelper.tableExists(mDb, clazz);
-  }
-
-  synchronized void createTable(Class clazz, String tableName) {
-    checkDb();
-    SqlHelper.createTable(mDb, clazz, tableName);
-  }
-
-  private void checkDb() {
-    if (mDb == null || !mDb.isOpen()) {
-      mDb = mHelper.getReadableDatabase();
-    }
-  }
-
-  /**
-   * 创建表
-   */
-  private synchronized void createTable(Class clazz) {
-    createTable(clazz, null);
-  }
-
-  /**
-   * 关闭数据库
-   */
-  private synchronized void close() {
-    if (mDb != null) {
-      mDb.close();
-    }
-  }
-
-  /**
-   * 获取所在行Id
-   */
-  synchronized int[] getRowId(Class clazz) {
-    checkDb();
-    Cursor cursor = mDb.rawQuery("SELECT rowid, * FROM " + CommonUtil.getClassName(clazz), null);
-    int[] ids = new int[cursor.getCount()];
-    int i = 0;
-    while (cursor.moveToNext()) {
-      ids[i] = cursor.getInt(cursor.getColumnIndex("rowid"));
-      i++;
-    }
-    cursor.close();
-    close();
-    return ids;
-  }
-
-  /**
-   * 获取行Id
-   */
-  synchronized int getRowId(Class clazz, Object[] wheres, Object[] values) {
-    checkDb();
-    if (wheres.length <= 0 || values.length <= 0) {
-      ALog.e(TAG, "请输入删除条件");
-      return -1;
-    } else if (wheres.length != values.length) {
-      ALog.e(TAG, "groupName 和 vaule 长度不相等");
-      return -1;
-    }
-    StringBuilder sb = new StringBuilder();
-    sb.append("SELECT rowid FROM ").append(CommonUtil.getClassName(clazz)).append(" WHERE ");
-    int i = 0;
-    for (Object where : wheres) {
-      sb.append(where).append("=").append("'").append(values[i]).append("'");
-      sb.append(i >= wheres.length - 1 ? "" : ",");
-      i++;
-    }
-    SqlHelper.print(ROW_ID, sb.toString());
-    Cursor c = mDb.rawQuery(sb.toString(), null);
-    int id = c.getColumnIndex("rowid");
-    c.close();
-    close();
-    return id;
-  }
-}

Aria/src/main/java/com/arialyy/aria/orm/DelegateCommon.java

@@ -0,0 +1,221 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm;
+
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.text.TextUtils;
+import com.arialyy.aria.orm.annotation.Default;
+import com.arialyy.aria.orm.annotation.Foreign;
+import com.arialyy.aria.orm.annotation.Primary;
+import com.arialyy.aria.util.CheckUtil;
+import com.arialyy.aria.util.CommonUtil;
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Created by laoyuyu on 2018/3/22.
+ * 通用委托，创建表，检查字段
+ */
+class DelegateCommon extends AbsDelegate {
+  private DelegateCommon() {
+  }
+
+  /**
+   * 删除指定的表
+   */
+  void dropTable(SQLiteDatabase db, String tableName) {
+    db = checkDb(db);
+    String deleteSQL = "DROP TABLE IF EXISTS ".concat(tableName);
+    print(DROP_TABLE, deleteSQL);
+    //db.beginTransaction();
+    db.execSQL(deleteSQL);
+    //db.setTransactionSuccessful();
+    //db.endTransaction();
+  }
+
+  /**
+   * 清空表数据
+   */
+  <T extends DbEntity> void clean(SQLiteDatabase db, Class<T> clazz) {
+    db = checkDb(db);
+    String tableName = CommonUtil.getClassName(clazz);
+    if (tableExists(db, clazz)) {
+      String sql = "DELETE FROM " + tableName;
+      db.execSQL(sql);
+    }
+  }
+
+  /**
+   * 查找表是否存在
+   *
+   * @param clazz 数据库实体
+   * @return true，该数据库实体对应的表存在；false，不存在
+   */
+  boolean tableExists(SQLiteDatabase db, Class clazz) {
+    return tableExists(db, CommonUtil.getClassName(clazz));
+  }
+
+  private boolean tableExists(SQLiteDatabase db, String tableName) {
+    db = checkDb(db);
+    Cursor cursor = null;
+    try {
+      StringBuilder sb = new StringBuilder();
+      sb.append("SELECT COUNT(*) AS c FROM sqlite_master WHERE type='table' AND name='");
+      sb.append(tableName);
+      sb.append("'");
+      print(TABLE_EXISTS, sb.toString());
+      cursor = db.rawQuery(sb.toString(), null);
+      if (cursor != null && cursor.moveToNext()) {
+        int count = cursor.getInt(0);
+        if (count > 0) {
+          return true;
+        }
+      }
+    } catch (Exception e) {
+      e.printStackTrace();
+    } finally {
+      closeCursor(cursor);
+      close(db);
+    }
+    return false;
+  }
+
+  /**
+   * 检查某个字段的值是否存在
+   *
+   * @param expression 字段和值"url=xxx"
+   * @return {@code true}该字段的对应的value已存在
+   */
+  boolean checkDataExist(SQLiteDatabase db, Class clazz, String... expression) {
+    db = checkDb(db);
+    CheckUtil.checkSqlExpression(expression);
+    String sql =
+        "SELECT rowid, * FROM " + CommonUtil.getClassName(clazz) + " WHERE " + expression[0] + " ";
+    sql = sql.replace("?", "%s");
+    Object[] params = new String[expression.length - 1];
+    for (int i = 0, len = params.length; i < len; i++) {
+      params[i] = "'" + expression[i + 1] + "'";
+    }
+    sql = String.format(sql, params);
+    print(FIND_DATA, sql);
+    Cursor cursor = db.rawQuery(sql, null);
+    final boolean isExist = cursor.getCount() > 0;
+    closeCursor(cursor);
+    close(db);
+    return isExist;
+  }
+
+  /**
+   * 创建表
+   *
+   * @param clazz 数据库实体
+   */
+  void createTable(SQLiteDatabase db, Class clazz) {
+    db = checkDb(db);
+    List<Field> fields = CommonUtil.getAllFields(clazz);
+    if (fields != null && fields.size() > 0) {
+      //外键Map，在Sqlite3中foreign修饰的字段必须放在最后
+      final List<Field> foreignArray = new ArrayList<>();
+      StringBuilder sb = new StringBuilder();
+      sb.append("CREATE TABLE ")
+          .append(CommonUtil.getClassName(clazz))
+          .append(" (");
+      for (Field field : fields) {
+        field.setAccessible(true);
+        if (SqlUtil.isIgnore(field)) {
+          continue;
+        }
+        Class<?> type = field.getType();
+        sb.append(field.getName());
+        if (type == String.class || type.isEnum()) {
+          sb.append(" VARCHAR");
+        } else if (type == int.class || type == Integer.class) {
+          sb.append(" INTEGER");
+        } else if (type == float.class || type == Float.class) {
+          sb.append(" FLOAT");
+        } else if (type == double.class || type == Double.class) {
+          sb.append(" DOUBLE");
+        } else if (type == long.class || type == Long.class) {
+          sb.append(" BIGINT");
+        } else if (type == boolean.class || type == Boolean.class) {
+          sb.append(" BOOLEAN");
+        } else if (type == java.util.Date.class || type == java.sql.Date.class) {
+          sb.append(" DATA");
+        } else if (type == byte.class || type == Byte.class) {
+          sb.append(" BLOB");
+        } else if (type == Map.class || type == List.class) {
+          sb.append(" TEXT");
+        } else {
+          continue;
+        }
+        if (SqlUtil.isPrimary(field)) {
+          Primary pk = field.getAnnotation(Primary.class);
+          sb.append(" PRIMARY KEY");
+          if (pk.autoincrement() && (type == int.class || type == Integer.class)) {
+            sb.append(" AUTOINCREMENT");
+          }
+        }
+
+        if (SqlUtil.isForeign(field)) {
+          foreignArray.add(field);
+        }
+
+        if (SqlUtil.isNoNull(field)) {
+          sb.append(" NOT NULL");
+        }
+
+        if (SqlUtil.isDefault(field)) {
+          Default d = field.getAnnotation(Default.class);
+          if (!TextUtils.isEmpty(d.value())) {
+            sb.append(" DEFAULT ").append("'").append(d.value()).append("'");
+          }
+        }
+
+        sb.append(",");
+      }
+
+      for (Field field : foreignArray) {
+        Foreign foreign = field.getAnnotation(Foreign.class);
+        sb.append("FOREIGN KEY (")
+            .append(field.getName())
+            .append(") REFERENCES ")
+            .append(CommonUtil.getClassName(foreign.parent()))
+            .append("(")
+            .append(foreign.column())
+            .append(")");
+        ActionPolicy update = foreign.onUpdate();
+        ActionPolicy delete = foreign.onDelete();
+        if (update != ActionPolicy.NO_ACTION) {
+          sb.append(" ON UPDATE ").append(update.function);
+        }
+
+        if (delete != ActionPolicy.NO_ACTION) {
+          sb.append(" ON DELETE ").append(update.function);
+        }
+        sb.append(",");
+      }
+
+      String str = sb.toString();
+      str = str.substring(0, str.length() - 1) + ");";
+      print(CREATE_TABLE, str);
+      db.execSQL(str);
+    }
+    close(db);
+  }
+}

Aria/src/main/java/com/arialyy/aria/orm/DelegateFind.java

@@ -0,0 +1,512 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm;
+
+import android.annotation.TargetApi;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.os.Build;
+import android.text.TextUtils;
+import com.arialyy.aria.orm.annotation.Many;
+import com.arialyy.aria.orm.annotation.One;
+import com.arialyy.aria.orm.annotation.Wrapper;
+import com.arialyy.aria.util.ALog;
+import com.arialyy.aria.util.CheckUtil;
+import com.arialyy.aria.util.CommonUtil;
+import java.lang.reflect.Field;
+import java.net.URLDecoder;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.WeakHashMap;
+
+/**
+ * Created by laoyuyu on 2018/3/22.
+ * 查询数据
+ */
+class DelegateFind extends AbsDelegate {
+  private final String PARENT_COLUMN_ALIAS = "p";
+  private final String CHILD_COLUMN_ALIAS = "c";
+
+  private DelegateFind() {
+  }
+
+  /**
+   * 查找一对多的关联数据
+   * 如果查找不到数据或实体没有被{@link Wrapper}注解，将返回null
+   * 如果实体中没有{@link One}或{@link Many}注解，将返回null
+   * 如果实体中有多个{@link One}或{@link Many}注解，将返回nul
+   */
+  <T extends AbsWrapper> List<T> findRelationData(SQLiteDatabase db, Class<T> clazz,
+      String... expression) {
+    db = checkDb(db);
+
+    if (SqlUtil.isWrapper(clazz)) {
+      StringBuilder sb = new StringBuilder();
+      Field[] fields = clazz.getDeclaredFields();
+      Field one = null, many = null;
+      boolean hasOne = false, hasMany = false;
+      for (Field field : fields) {
+        if (SqlUtil.isOne(field)) {
+          if (hasOne) {
+            ALog.w(TAG, "查询数据失败，实体中有多个@One 注解");
+            return null;
+          }
+          hasOne = true;
+          one = field;
+        }
+        if (SqlUtil.isMany(field)) {
+          if (hasMany) {
+            ALog.w(TAG, "查询数据失败，实体中有多个@Many 注解");
+            return null;
+          }
+          hasMany = true;
+          many = field;
+        }
+      }
+
+      if (one == null || many == null) {
+        ALog.w(TAG, "查询数据失败，实体中没有@One或@Many注解");
+        return null;
+      }
+
+      if (many.getType() != List.class) {
+        ALog.w(TAG, "查询数据失败，@Many注解的字段必须是List");
+        return null;
+      }
+      try {
+        Many m = many.getAnnotation(Many.class);
+        Class parentClazz = Class.forName(one.getType().getName());
+        Class childClazz = Class.forName(CommonUtil.getListParamType(many).getName());
+        final String pTableName = parentClazz.getSimpleName();
+        final String cTableName = childClazz.getSimpleName();
+        List<Field> pColumn = SqlUtil.getAllNotIgnoreField(parentClazz);
+        List<Field> cColumn = SqlUtil.getAllNotIgnoreField(childClazz);
+        List<String> pColumnAlias = new ArrayList<>();
+        List<String> cColumnAlias = new ArrayList<>();
+        StringBuilder pSb = new StringBuilder();
+        StringBuilder cSb = new StringBuilder();
+
+        if (pColumn != null) {
+          pSb.append(pTableName.concat(".rowid AS ").concat(PARENT_COLUMN_ALIAS).concat("rowid,"));
+          for (Field f : pColumn) {
+            String temp = PARENT_COLUMN_ALIAS.concat(f.getName());
+            pColumnAlias.add(temp);
+            pSb.append(pTableName.concat(".").concat(f.getName()))
+                .append(" AS ")
+                .append(temp)
+                .append(",");
+          }
+        }
+
+        if (cColumn != null) {
+          pSb.append(cTableName.concat(".rowid AS ").concat(CHILD_COLUMN_ALIAS).concat("rowid,"));
+          for (Field f : cColumn) {
+            String temp = CHILD_COLUMN_ALIAS.concat(f.getName());
+            cColumnAlias.add(temp);
+            cSb.append(cTableName.concat(".").concat(f.getName()))
+                .append(" AS ")
+                .append(temp)
+                .append(",");
+          }
+        }
+
+        String pColumnAlia = pSb.toString();
+        String cColumnAlia = cSb.toString();
+        if (!TextUtils.isEmpty(pColumnAlia)) {
+          pColumnAlia = pColumnAlia.substring(0, pColumnAlia.length() - 1);
+        }
+
+        if (!TextUtils.isEmpty(cColumnAlia)) {
+          cColumnAlia = cColumnAlia.substring(0, cColumnAlia.length() - 1);
+        }
+
+        sb.append("SELECT ");
+
+        if (!TextUtils.isEmpty(pColumnAlia)) {
+          sb.append(pColumnAlia).append(",");
+        }
+        if (!TextUtils.isEmpty(cColumnAlia)) {
+          sb.append(cColumnAlia);
+        }
+        if (TextUtils.isEmpty(pColumnAlia) && TextUtils.isEmpty(cColumnAlia)) {
+          sb.append(" * ");
+        }
+
+        sb.append(" FROM ")
+            .append(pTableName)
+            .append(" INNER JOIN ")
+            .append(cTableName)
+            .append(" ON ")
+            .append(pTableName.concat(".").concat(m.parentColumn()))
+            .append(" = ")
+            .append(cTableName.concat(".").concat(m.entityColumn()));
+        String sql;
+        if (expression != null && expression.length > 0) {
+          CheckUtil.checkSqlExpression(expression);
+          sb.append(" WHERE ").append(expression[0]).append(" ");
+          sql = sb.toString();
+          sql = sql.replace("?", "%s");
+          Object[] params = new String[expression.length - 1];
+          for (int i = 0, len = params.length; i < len; i++) {
+            params[i] = "'" + convertValue(expression[i + 1]) + "'";
+          }
+          sql = String.format(sql, params);
+        } else {
+          sql = sb.toString();
+        }
+        print(RELATION, sql);
+        Cursor cursor = db.rawQuery(sql, null);
+        List<T> data =
+            (List<T>) newInstanceEntity(clazz, parentClazz, childClazz, cursor, pColumn, cColumn,
+                pColumnAlias, cColumnAlias);
+        closeCursor(cursor);
+        close(db);
+        return data;
+      } catch (ClassNotFoundException e) {
+        e.printStackTrace();
+      }
+    } else {
+      ALog.w(TAG, "查询数据失败，实体类没有使用@Wrapper 注解");
+      return null;
+    }
+    return null;
+  }
+
+  /**
+   * 创建关联查询的数据
+   *
+   * @param pColumn 父表的所有字段
+   * @param cColumn 字表的所有字段
+   * @param pColumnAlias 关联查询父表别名
+   * @param cColumnAlias 关联查询子表别名
+   */
+  private <T extends AbsWrapper, P extends DbEntity, C extends DbEntity> List<T> newInstanceEntity(
+      Class<T> clazz, Class<P> parent,
+      Class<C> child,
+      Cursor cursor,
+      List<Field> pColumn, List<Field> cColumn,
+      List<String> pColumnAlias, List<String> cColumnAlias) {
+    try {
+      String parentPrimary = ""; //父表主键别名
+      for (Field f : pColumn) {
+        if (SqlUtil.isPrimary(f)) {
+          parentPrimary = PARENT_COLUMN_ALIAS.concat(f.getName());
+          break;
+        }
+      }
+
+      List<T> wrappers = new ArrayList<>();
+      Map<Object, P> tempParent = new WeakHashMap<>();  // 所有父表元素，key为父表主键的值
+      Map<Object, List<C>> tempChild = new WeakHashMap<>(); // 所有的字表元素，key为父表主键的值
+
+      Object old = null;
+      while (cursor.moveToNext()) {
+        //创建父实体
+        Object ppValue = setPPValue(parentPrimary, cursor);
+        if (old == null || ppValue != old) {  //当主键不同时，表示是不同的父表数据
+          old = ppValue;
+          if (tempParent.get(old) == null) {
+            P pEntity = parent.newInstance();
+            String pPrimaryName = "";
+            for (int i = 0, len = pColumnAlias.size(); i < len; i++) {
+              Field pField = pColumn.get(i);
+              pField.setAccessible(true);
+              Class<?> type = pField.getType();
+              int column = cursor.getColumnIndex(pColumnAlias.get(i));
+              if (column == -1) continue;
+              setFieldValue(type, pField, column, cursor, pEntity);
+
+              if (SqlUtil.isPrimary(pField) && (type == int.class || type == Integer.class)) {
+                pPrimaryName = pField.getName();
+              }
+            }
+
+            //当设置了主键，而且主键的类型为integer时，查询RowID等于主键
+            pEntity.rowID = cursor.getInt(
+                cursor.getColumnIndex(
+                    TextUtils.isEmpty(pPrimaryName) ? PARENT_COLUMN_ALIAS.concat("rowid")
+                        : pPrimaryName));
+
+            tempParent.put(ppValue, pEntity);
+          }
+        }
+
+        // 创建子实体
+        C cEntity = child.newInstance();
+        String cPrimaryName = "";
+        for (int i = 0, len = cColumnAlias.size(); i < len; i++) {
+          Field cField = cColumn.get(i);
+          cField.setAccessible(true);
+          Class<?> type = cField.getType();
+
+          int column = cursor.getColumnIndex(cColumnAlias.get(i));
+          if (column == -1) continue;
+          setFieldValue(type, cField, column, cursor, cEntity);
+
+          if (SqlUtil.isPrimary(cField) && (type == int.class || type == Integer.class)) {
+            cPrimaryName = cField.getName();
+          }
+        }
+        //当设置了主键，而且主键的类型为integer时，查询RowID等于主键
+        cEntity.rowID = cursor.getInt(
+            cursor.getColumnIndex(
+                TextUtils.isEmpty(cPrimaryName) ? CHILD_COLUMN_ALIAS.concat("rowid")
+                    : cPrimaryName));
+        if (tempChild.get(old) == null) {
+          tempChild.put(old, new ArrayList<C>());
+        }
+        tempChild.get(old).add(cEntity);
+      }
+
+      List<Field> wFields = SqlUtil.getAllNotIgnoreField(clazz);
+      if (wFields != null && !wFields.isEmpty()) {
+        Set<Object> pKeys = tempParent.keySet();
+        for (Object pk : pKeys) {
+          T wrapper = clazz.newInstance();
+          P p = tempParent.get(pk);
+          boolean isPSet = false, isCSet = false;
+          for (Field f : wFields) {
+            if (!isPSet && f.getAnnotation(One.class) != null) {
+              f.set(wrapper, p);
+              isPSet = true;
+            }
+            if (!isCSet && f.getAnnotation(Many.class) != null) {
+              f.set(wrapper, tempChild.get(pk));
+              isCSet = true;
+            }
+          }
+          wrapper.handleConvert();  //处理下转换
+          wrappers.add(wrapper);
+        }
+      }
+      return wrappers;
+    } catch (InstantiationException e) {
+      e.printStackTrace();
+    } catch (IllegalAccessException e) {
+      e.printStackTrace();
+    }
+    return null;
+  }
+
+  /**
+   * 获取父表主键数据
+   *
+   * @param parentPrimary 父表主键别名
+   */
+  @TargetApi(Build.VERSION_CODES.HONEYCOMB) private Object setPPValue(String parentPrimary,
+      Cursor cursor) {
+    Object ppValue = null;
+    int ppColumn = cursor.getColumnIndex(parentPrimary);  //父表主键所在的列
+    int type = cursor.getType(ppColumn);
+    switch (type) {
+      case Cursor.FIELD_TYPE_INTEGER:
+        ppValue = cursor.getLong(ppColumn);
+        break;
+      case Cursor.FIELD_TYPE_FLOAT:
+        ppValue = cursor.getFloat(ppColumn);
+        break;
+      case Cursor.FIELD_TYPE_STRING:
+        ppValue = cursor.getString(ppColumn);
+        break;
+    }
+    return ppValue;
+  }
+
+  /**
+   * 条件查寻数据
+   */
+  <T extends DbEntity> List<T> findData(SQLiteDatabase db, Class<T> clazz, String... expression) {
+    db = checkDb(db);
+    CheckUtil.checkSqlExpression(expression);
+    String sql =
+        "SELECT rowid, * FROM " + CommonUtil.getClassName(clazz) + " WHERE " + expression[0] + " ";
+    sql = sql.replace("?", "%s");
+    Object[] params = new String[expression.length - 1];
+    for (int i = 0, len = params.length; i < len; i++) {
+      params[i] = "'" + convertValue(expression[i + 1]) + "'";
+    }
+    sql = String.format(sql, params);
+    print(FIND_DATA, sql);
+    Cursor cursor = db.rawQuery(sql, null);
+    List<T> data = cursor.getCount() > 0 ? newInstanceEntity(clazz, cursor) : null;
+    closeCursor(cursor);
+    close(db);
+    return data;
+  }
+
+  /**
+   * 查找表的所有数据
+   */
+  <T extends DbEntity> List<T> findAllData(SQLiteDatabase db, Class<T> clazz) {
+    db = checkDb(db);
+    StringBuilder sb = new StringBuilder();
+    sb.append("SELECT rowid, * FROM ").append(CommonUtil.getClassName(clazz));
+    print(FIND_ALL_DATA, sb.toString());
+    Cursor cursor = db.rawQuery(sb.toString(), null);
+    List<T> data = cursor.getCount() > 0 ? newInstanceEntity(clazz, cursor) : null;
+    closeCursor(cursor);
+    close(db);
+    return data;
+  }
+
+  /**
+   * 根据数据游标创建一个具体的对象
+   */
+  private <T extends DbEntity> List<T> newInstanceEntity(Class<T> clazz, Cursor cursor) {
+    List<Field> fields = CommonUtil.getAllFields(clazz);
+    List<T> entitys = new ArrayList<>();
+    if (fields != null && fields.size() > 0) {
+      try {
+        while (cursor.moveToNext()) {
+          T entity = clazz.newInstance();
+          String primaryName = "";
+          for (Field field : fields) {
+            field.setAccessible(true);
+            if (SqlUtil.isIgnore(field)) {
+              continue;
+            }
+
+            Class<?> type = field.getType();
+            if (SqlUtil.isPrimary(field) && (type == int.class || type == Integer.class)) {
+              primaryName = field.getName();
+            }
+
+            int column = cursor.getColumnIndex(field.getName());
+            if (column == -1) continue;
+            setFieldValue(type, field, column, cursor, entity);
+          }
+          //当设置了主键，而且主键的类型为integer时，查询RowID等于主键
+          entity.rowID = cursor.getInt(
+              cursor.getColumnIndex(TextUtils.isEmpty(primaryName) ? "rowid" : primaryName));
+          //mDataCache.put(getCacheKey(entity), entity);
+          entitys.add(entity);
+        }
+        closeCursor(cursor);
+      } catch (InstantiationException e) {
+        e.printStackTrace();
+      } catch (IllegalAccessException e) {
+        e.printStackTrace();
+      }
+    }
+    return entitys;
+  }
+
+  /**
+   * 设置字段的值
+   *
+   * @throws IllegalAccessException
+   */
+  private void setFieldValue(Class type, Field field, int column, Cursor cursor, Object entity)
+      throws IllegalAccessException {
+    if (type == String.class) {
+      String temp = cursor.getString(column);
+      if (!TextUtils.isEmpty(temp)) {
+        field.set(entity, URLDecoder.decode(temp));
+      }
+    } else if (type == int.class || type == Integer.class) {
+      field.setInt(entity, cursor.getInt(column));
+    } else if (type == float.class || type == Float.class) {
+      field.setFloat(entity, cursor.getFloat(column));
+    } else if (type == double.class || type == Double.class) {
+      field.setDouble(entity, cursor.getDouble(column));
+    } else if (type == long.class || type == Long.class) {
+      field.setLong(entity, cursor.getLong(column));
+    } else if (type == boolean.class || type == Boolean.class) {
+      String temp = cursor.getString(column);
+      if (TextUtils.isEmpty(temp)) {
+        field.setBoolean(entity, false);
+      } else {
+        field.setBoolean(entity, !temp.equalsIgnoreCase("false"));
+      }
+    } else if (type == java.util.Date.class || type == java.sql.Date.class) {
+      field.set(entity, new Date(cursor.getString(column)));
+    } else if (type == byte[].class) {
+      field.set(entity, cursor.getBlob(column));
+    } else if (type == Map.class) {
+      String temp = cursor.getString(column);
+      if (!TextUtils.isEmpty(temp)) {
+        field.set(entity, SqlUtil.str2Map(temp));
+      }
+    } else if (type == List.class) {
+      String value = cursor.getString(column);
+      if (!TextUtils.isEmpty(value)) {
+        field.set(entity, SqlUtil.str2List(value, field));
+      }
+    }
+  }
+
+  /**
+   * 获取所在行Id
+   */
+  int[] getRowId(SQLiteDatabase db, Class clazz) {
+    db = checkDb(db);
+    Cursor cursor = db.rawQuery("SELECT rowid, * FROM " + CommonUtil.getClassName(clazz), null);
+    int[] ids = new int[cursor.getCount()];
+    int i = 0;
+    while (cursor.moveToNext()) {
+      ids[i] = cursor.getInt(cursor.getColumnIndex("rowid"));
+      i++;
+    }
+    cursor.close();
+    close(db);
+    return ids;
+  }
+
+  /**
+   * 获取行Id
+   */
+  int getRowId(SQLiteDatabase db, Class clazz, Object[] wheres, Object[] values) {
+    db = checkDb(db);
+    if (wheres.length <= 0 || values.length <= 0) {
+      ALog.e(TAG, "请输入删除条件");
+      return -1;
+    } else if (wheres.length != values.length) {
+      ALog.e(TAG, "groupName 和 vaule 长度不相等");
+      return -1;
+    }
+    StringBuilder sb = new StringBuilder();
+    sb.append("SELECT rowid FROM ").append(CommonUtil.getClassName(clazz)).append(" WHERE ");
+    int i = 0;
+    for (Object where : wheres) {
+      sb.append(where).append("=").append("'").append(values[i]).append("'");
+      sb.append(i >= wheres.length - 1 ? "" : ",");
+      i++;
+    }
+    print(ROW_ID, sb.toString());
+    Cursor c = db.rawQuery(sb.toString(), null);
+    int id = c.getColumnIndex("rowid");
+    c.close();
+    close(db);
+    return id;
+  }
+
+  /**
+   * 通过rowId判断数据是否存在
+   */
+  <T extends DbEntity> boolean itemExist(SQLiteDatabase db, Class<T> clazz,
+      long rowId) {
+    db = checkDb(db);
+    String sql = "SELECT rowid FROM " + CommonUtil.getClassName(clazz) + " WHERE rowid=" + rowId;
+    print(ROW_ID, sql);
+    Cursor cursor = db.rawQuery(sql, null);
+    boolean isExist = cursor.getCount() > 0;
+    cursor.close();
+    return isExist;
+  }
+}

Aria/src/main/java/com/arialyy/aria/orm/DelegateManager.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm;
+
+import android.util.SparseArray;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+
+/**
+ * Created by laoyuyu on 2018/3/22.
+ * Delegate管理器
+ */
+class DelegateManager {
+  private final String TAG = "ModuleFactory";
+
+  private SparseArray<AbsDelegate> mDelegates = new SparseArray<>();
+  private static volatile DelegateManager INSTANCE = null;
+
+  private DelegateManager() {
+
+  }
+
+  static DelegateManager getInstance() {
+    if (INSTANCE == null) {
+      synchronized (DelegateManager.class) {
+        INSTANCE = new DelegateManager();
+      }
+    }
+    return INSTANCE;
+  }
+
+  /**
+   * 获取Module
+   */
+  <M extends AbsDelegate> M getDelegate(Class<M> clazz) {
+    M delegate = (M) mDelegates.get(clazz.hashCode());
+    try {
+      if (delegate == null) {
+        Constructor c = clazz.getDeclaredConstructor();
+        c.setAccessible(true);
+        delegate = (M) c.newInstance();
+        mDelegates.put(clazz.hashCode(), delegate);
+        return delegate;
+      }
+    } catch (InstantiationException e) {
+      e.printStackTrace();
+    } catch (IllegalAccessException e) {
+      e.printStackTrace();
+    } catch (NoSuchMethodException e) {
+      e.printStackTrace();
+    } catch (InvocationTargetException e) {
+      e.printStackTrace();
+    }
+    return delegate;
+  }
+}