代码格式修改

pull/2/head
lyy 9 years ago
commit 9e3f70f59d
  1. 17
      .idea/misc.xml
  2. 8
      app/build.gradle
  3. 296
      app/src/main/java/com/example/arial/downloaddemo/MainActivity.java
  4. 32
      downloadutil/build.gradle
  5. 208
      downloadutil/jcenter.gradle
  6. 6
      downloadutil/src/androidTest/java/com/arialyy/downloadutil/ApplicationTest.java
  7. 10
      downloadutil/src/main/AndroidManifest.xml
  8. 9
      downloadutil/src/main/java/com/arialyy/downloadutil/core/DownloadCommand.java
  9. 153
      downloadutil/src/main/java/com/arialyy/downloadutil/core/DownloadManager.java
  10. 155
      downloadutil/src/main/java/com/arialyy/downloadutil/core/DownloadTarget.java
  11. 349
      downloadutil/src/main/java/com/arialyy/downloadutil/core/IDownloadTarget.java
  12. 346
      downloadutil/src/main/java/com/arialyy/downloadutil/core/Task.java
  13. 2
      downloadutil/src/main/java/com/arialyy/downloadutil/core/TaskEnum.java
  14. 51
      downloadutil/src/main/java/com/arialyy/downloadutil/core/TaskFactory.java
  15. 13
      downloadutil/src/main/java/com/arialyy/downloadutil/core/command/AddCommand.java
  16. 72
      downloadutil/src/main/java/com/arialyy/downloadutil/core/command/IDownloadCommand.java
  17. 15
      downloadutil/src/main/java/com/arialyy/downloadutil/core/command/StartCommand.java
  18. 49
      downloadutil/src/main/java/com/arialyy/downloadutil/core/inf/IDownloader.java
  19. 76
      downloadutil/src/main/java/com/arialyy/downloadutil/core/inf/IPool.java
  20. 74
      downloadutil/src/main/java/com/arialyy/downloadutil/core/inf/ITask.java
  21. 162
      downloadutil/src/main/java/com/arialyy/downloadutil/core/pool/CachePool.java
  22. 235
      downloadutil/src/main/java/com/arialyy/downloadutil/core/pool/ExecutePool.java
  23. 358
      downloadutil/src/main/java/com/arialyy/downloadutil/entity/DownloadEntity.java
  24. 9
      downloadutil/src/main/java/com/arialyy/downloadutil/help/CheckHelp.java
  25. 321
      downloadutil/src/main/java/com/arialyy/downloadutil/orm/DbEntity.java
  26. 560
      downloadutil/src/main/java/com/arialyy/downloadutil/orm/DbUtil.java
  27. 6
      downloadutil/src/main/java/com/arialyy/downloadutil/orm/Id.java
  28. 6
      downloadutil/src/main/java/com/arialyy/downloadutil/orm/Ignore.java
  29. 36
      downloadutil/src/main/java/com/arialyy/downloadutil/orm/SqlHelper.java
  30. 796
      downloadutil/src/main/java/com/arialyy/downloadutil/util/DownLoadUtil.java
  31. 99
      downloadutil/src/main/java/com/arialyy/downloadutil/util/IDownloadListener.java
  32. 401
      downloadutil/src/main/java/com/arialyy/downloadutil/util/Util.java
  33. 10
      downloadutil/src/main/res/values/strings.xml
  34. 9
      downloadutil/src/test/java/com/arialyy/downloadutil/ExampleUnitTest.java

@ -53,25 +53,10 @@
<ConfirmationsSetting value="0" id="Add" />
<ConfirmationsSetting value="0" id="Remove" />
</component>
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/build/classes" />
</component>
<component name="ProjectType">
<option name="id" value="Android" />
</component>
<component name="masterDetails">
<states>
<state key="ScopeChooserConfigurable.UI">
<settings>
<splitter-proportions>
<option name="proportions">
<list>
<option value="0.2" />
</list>
</option>
</splitter-proportions>
</settings>
</state>
</states>
</component>
</project>

@ -17,6 +17,10 @@ android {
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
dataBinding {
enabled = true
}
}
dependencies {
@ -24,5 +28,9 @@ dependencies {
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:23.+'
compile 'com.android.support:design:23.+'
compile 'com.jakewharton:butterknife:7.0.1'
compile 'com.google.code.gson:gson:2.7'
compile 'com.squareup.okhttp3:okhttp:3.2.0'
compile 'com.arialyy.frame:MVVM2:2.2.0'
compile project(':downloadutil')
}

@ -18,159 +18,149 @@ import com.arialyy.downloadutil.util.Util;
import java.net.HttpURLConnection;
public class MainActivity extends AppCompatActivity {
private static final int DOWNLOAD_PRE = 0x01;
private static final int DOWNLOAD_STOP = 0x02;
private static final int DOWNLOAD_FAILE = 0x03;
private static final int DOWNLOAD_CANCEL = 0x04;
private static final int DOWNLOAD_RESUME = 0x05;
private static final int DOWNLOAD_COMPLETE = 0x06;
private ProgressBar mPb;
private String mDownloadUrl = "http://static.gaoshouyou.com/d/12/0d/7f120f50c80d2e7b8c4ba24ece4f9cdd.apk";
private DownLoadUtil mUtil;
private Button mStart, mStop, mCancel;
private TextView mSize;
private Handler mUpdateHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what) {
case DOWNLOAD_PRE:
mSize.setText(Util.formatFileSize((Long) msg.obj));
mStart.setEnabled(false);
break;
case DOWNLOAD_FAILE:
Toast.makeText(MainActivity.this, "下载失败", Toast.LENGTH_SHORT).show();
break;
case DOWNLOAD_STOP:
Toast.makeText(MainActivity.this, "暂停下载", Toast.LENGTH_SHORT).show();
mStart.setText("恢复");
mStart.setEnabled(true);
break;
case DOWNLOAD_CANCEL:
mPb.setProgress(0);
Toast.makeText(MainActivity.this, "取消下载", Toast.LENGTH_SHORT).show();
mStart.setEnabled(true);
mStart.setText("开始");
break;
case DOWNLOAD_RESUME:
Toast.makeText(MainActivity.this, "恢复下载,恢复位置 ==> " + Util.formatFileSize((Long) msg.obj), Toast.LENGTH_SHORT).show();
mStart.setEnabled(false);
break;
case DOWNLOAD_COMPLETE:
Toast.makeText(MainActivity.this, "下载完成", Toast.LENGTH_SHORT).show();
mStart.setEnabled(true);
mCancel.setEnabled(false);
mStop.setEnabled(false);
break;
}
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
init();
private static final int DOWNLOAD_PRE = 0x01;
private static final int DOWNLOAD_STOP = 0x02;
private static final int DOWNLOAD_FAILE = 0x03;
private static final int DOWNLOAD_CANCEL = 0x04;
private static final int DOWNLOAD_RESUME = 0x05;
private static final int DOWNLOAD_COMPLETE = 0x06;
private ProgressBar mPb;
private String mDownloadUrl =
"http://static.gaoshouyou.com/d/12/0d/7f120f50c80d2e7b8c4ba24ece4f9cdd.apk";
private DownLoadUtil mUtil;
private Button mStart, mStop, mCancel;
private TextView mSize;
private Handler mUpdateHandler = new Handler() {
@Override public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what) {
case DOWNLOAD_PRE:
mSize.setText(Util.formatFileSize((Long) msg.obj));
mStart.setEnabled(false);
break;
case DOWNLOAD_FAILE:
Toast.makeText(MainActivity.this, "下载失败", Toast.LENGTH_SHORT).show();
break;
case DOWNLOAD_STOP:
Toast.makeText(MainActivity.this, "暂停下载", Toast.LENGTH_SHORT).show();
mStart.setText("恢复");
mStart.setEnabled(true);
break;
case DOWNLOAD_CANCEL:
mPb.setProgress(0);
Toast.makeText(MainActivity.this, "取消下载", Toast.LENGTH_SHORT).show();
mStart.setEnabled(true);
mStart.setText("开始");
break;
case DOWNLOAD_RESUME:
Toast.makeText(MainActivity.this, "恢复下载,恢复位置 ==> " + Util.formatFileSize((Long) msg.obj),
Toast.LENGTH_SHORT).show();
mStart.setEnabled(false);
break;
case DOWNLOAD_COMPLETE:
Toast.makeText(MainActivity.this, "下载完成", Toast.LENGTH_SHORT).show();
mStart.setEnabled(true);
mCancel.setEnabled(false);
mStop.setEnabled(false);
break;
}
}
private void init() {
mPb = (ProgressBar) findViewById(R.id.progressBar);
mStart = (Button) findViewById(R.id.start);
mStop = (Button) findViewById(R.id.stop);
mCancel = (Button) findViewById(R.id.cancel);
mSize = (TextView) findViewById(R.id.size);
mUtil = new DownLoadUtil();
}
public void onClick(View view) {
switch (view.getId()) {
case R.id.start:
start();
break;
case R.id.stop:
stop();
break;
case R.id.cancel:
cancel();
break;
}
}
private void start() {
mUtil.download(this, mDownloadUrl, Environment.getExternalStorageDirectory().getPath() + "/test.apk"
, new DownLoadUtil.DownloadListener() {
long fileSize = 1;
@Override
public void onPreDownload(HttpURLConnection connection) {
super.onPreDownload(connection);
mPb.setMax(100);
fileSize = connection.getContentLength();
mUpdateHandler.obtainMessage(DOWNLOAD_PRE, fileSize).sendToTarget();
}
@Override
public void onStart(long startLocation) {
super.onStart(startLocation);
}
@Override
public void onChildResume(long resumeLocation) {
super.onChildResume(resumeLocation);
}
@Override
public void onChildComplete(long finishLocation) {
super.onChildComplete(finishLocation);
}
@Override
public void onProgress(long currentLocation) {
super.onProgress(currentLocation);
mPb.setProgress((int) (currentLocation * 100 / fileSize));
}
@Override
public void onStop(long stopLocation) {
super.onStop(stopLocation);
mUpdateHandler.obtainMessage(DOWNLOAD_STOP).sendToTarget();
}
@Override
public void onCancel() {
super.onCancel();
mUpdateHandler.obtainMessage(DOWNLOAD_CANCEL).sendToTarget();
}
@Override
public void onResume(long resumeLocation) {
super.onResume(resumeLocation);
mUpdateHandler.obtainMessage(DOWNLOAD_RESUME, resumeLocation).sendToTarget();
}
@Override
public void onFail() {
super.onFail();
mUpdateHandler.obtainMessage(DOWNLOAD_FAILE).sendToTarget();
}
@Override
public void onComplete() {
super.onComplete();
mUpdateHandler.obtainMessage(DOWNLOAD_COMPLETE).sendToTarget();
}
});
};
@Override protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
init();
}
private void init() {
mPb = (ProgressBar) findViewById(R.id.progressBar);
mStart = (Button) findViewById(R.id.start);
mStop = (Button) findViewById(R.id.stop);
mCancel = (Button) findViewById(R.id.cancel);
mSize = (TextView) findViewById(R.id.size);
mUtil = new DownLoadUtil();
}
public void onClick(View view) {
switch (view.getId()) {
case R.id.start:
start();
break;
case R.id.stop:
stop();
break;
case R.id.cancel:
cancel();
break;
}
private void stop() {
mUtil.stopDownload();
}
private void cancel() {
mUtil.cancelDownload();
}
}
private void start() {
mUtil.download(this, mDownloadUrl,
Environment.getExternalStorageDirectory().getPath() + "/test.apk",
new DownLoadUtil.DownloadListener() {
long fileSize = 1;
@Override public void onPreDownload(HttpURLConnection connection) {
super.onPreDownload(connection);
mPb.setMax(100);
fileSize = connection.getContentLength();
mUpdateHandler.obtainMessage(DOWNLOAD_PRE, fileSize).sendToTarget();
}
@Override public void onStart(long startLocation) {
super.onStart(startLocation);
}
@Override public void onChildResume(long resumeLocation) {
super.onChildResume(resumeLocation);
}
@Override public void onChildComplete(long finishLocation) {
super.onChildComplete(finishLocation);
}
@Override public void onProgress(long currentLocation) {
super.onProgress(currentLocation);
mPb.setProgress((int) (currentLocation * 100 / fileSize));
}
@Override public void onStop(long stopLocation) {
super.onStop(stopLocation);
mUpdateHandler.obtainMessage(DOWNLOAD_STOP).sendToTarget();
}
@Override public void onCancel() {
super.onCancel();
mUpdateHandler.obtainMessage(DOWNLOAD_CANCEL).sendToTarget();
}
@Override public void onResume(long resumeLocation) {
super.onResume(resumeLocation);
mUpdateHandler.obtainMessage(DOWNLOAD_RESUME, resumeLocation).sendToTarget();
}
@Override public void onFail() {
super.onFail();
mUpdateHandler.obtainMessage(DOWNLOAD_FAILE).sendToTarget();
}
@Override public void onComplete() {
super.onComplete();
mUpdateHandler.obtainMessage(DOWNLOAD_COMPLETE).sendToTarget();
}
});
}
private void stop() {
mUtil.stopDownload();
}
private void cancel() {
mUtil.cancelDownload();
}
}

@ -1,26 +1,26 @@
apply plugin: 'com.android.library'
android {
compileSdkVersion 23
buildToolsVersion "23.0.2"
compileSdkVersion 23
buildToolsVersion "23.0.2"
defaultConfig {
minSdkVersion 9
targetSdkVersion 23
versionCode 13
versionName "1.0.1"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
defaultConfig {
minSdkVersion 9
targetSdkVersion 23
versionCode 13
versionName "1.0.1"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:23.1.1'
compile fileTree(dir: 'libs', include: ['*.jar'])
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:23.1.1'
}
//apply from: 'jcenter.gradle'

@ -6,31 +6,31 @@ apply plugin: "com.jfrog.artifactory"
apply plugin: 'maven-publish'
task sourcesJar(type: Jar) {
from android.sourceSets.main.java.srcDirs
classifier = 'sources'
from android.sourceSets.main.java.srcDirs
classifier = 'sources'
}
task javadoc(type: Javadoc) {
options.encoding = "utf-8"
source = android.sourceSets.main.java.srcDirs
classpath += configurations.compile
classpath += project.files(android.getBootClasspath().join(File.pathSeparator))
options.encoding = "utf-8"
source = android.sourceSets.main.java.srcDirs
classpath += configurations.compile
classpath += project.files(android.getBootClasspath().join(File.pathSeparator))
}
task javadocJar(type: Jar, dependsOn: javadoc) {
classifier = 'javadoc'
from javadoc.destinationDir
classifier = 'javadoc'
from javadoc.destinationDir
}
javadoc {
options {
encoding "UTF-8"
charSet 'UTF-8'
author true
version true
links "http://docs.oracle.com/javase/7/docs/api"
title PROJ_ARTIFACTID
}
options {
encoding "UTF-8"
charSet 'UTF-8'
author true
version true
links "http://docs.oracle.com/javase/7/docs/api"
title PROJ_ARTIFACTID
}
}
//JAVADOC打包时引用其它类库而出现问题
@ -40,119 +40,121 @@ javadoc {
// : JsonElement
// : xxxx
android.libraryVariants.all { variant ->
println variant.javaCompile.classpath.files
if (variant.name == 'release') { // release javadoc
task("generate${variant.name.capitalize()}Javadoc", type: Javadoc) {
// title = ''
// description = ''
source = variant.javaCompile.source
classpath = files(variant.javaCompile.classpath.files, project.android.getBootClasspath())
options {
encoding "utf-8"
links "http://docs.oracle.com/javase/7/docs/api/"
linksOffline "http://d.android.com/reference", "${android.sdkDirectory}/docs/reference"
}
exclude '**/BuildConfig.java'
exclude '**/R.java'
}
task("javadoc${variant.name.capitalize()}Jar", type: Jar, dependsOn: "generate${variant.name.capitalize()}Javadoc") {
classifier = 'javadoc'
from tasks.getByName("generate${variant.name.capitalize()}Javadoc").destinationDir
}
artifacts {
archives tasks.getByName("javadoc${variant.name.capitalize()}Jar")
}
println variant.javaCompile.classpath.files
if (variant.name == 'release') {
// release javadoc
task("generate${variant.name.capitalize()}Javadoc", type: Javadoc) {
// title = ''
// description = ''
source = variant.javaCompile.source
classpath = files(variant.javaCompile.classpath.files, project.android.getBootClasspath())
options {
encoding "utf-8"
links "http://docs.oracle.com/javase/7/docs/api/"
linksOffline "http://d.android.com/reference", "${android.sdkDirectory}/docs/reference"
}
exclude '**/BuildConfig.java'
exclude '**/R.java'
}
task("javadoc${variant.name.capitalize()}Jar", type: Jar,
dependsOn: "generate${variant.name.capitalize()}Javadoc") {
classifier = 'javadoc'
from tasks.getByName("generate${variant.name.capitalize()}Javadoc").destinationDir
}
artifacts {
archives tasks.getByName("javadoc${variant.name.capitalize()}Jar")
}
}
}
artifacts {
archives javadocJar
archives sourcesJar
archives javadocJar
archives sourcesJar
}
def pomConfig = {
scm {
connection PROJ_VCSURL
developerConnection PROJ_VCSURL
url PROJ_WEBSITEURL
scm {
connection PROJ_VCSURL
developerConnection PROJ_VCSURL
url PROJ_WEBSITEURL
}
licenses {
license {
name "The Apache Software License, Version 2.0"
url "http://www.apache.org/licenses/LICENSE-2.0.txt"
distribution "repo"
}
licenses {
license {
name "The Apache Software License, Version 2.0"
url "http://www.apache.org/licenses/LICENSE-2.0.txt"
distribution "repo"
}
}
developers {
developer {
id DEVELOPER_ID
name DEVELOPER_NAME
email DEVELOPER_EMAIL
}
}
developers {
developer {
id DEVELOPER_ID
name DEVELOPER_NAME
email DEVELOPER_EMAIL
}
}
}
publishing {
publications {
mavenJava(MavenPublication) {
artifactId PROJ_ARTIFACTID
artifact javadocJar
artifact sourcesJar
publications {
mavenJava(MavenPublication) {
artifactId PROJ_ARTIFACTID
artifact javadocJar
artifact sourcesJar
pom {
packaging 'aar'
}
pom.withXml {
def root = asNode()
root.appendNode('description', PROJ_DESCRIPTION)
root.children().last() + pomConfig
}
}
pom {
packaging 'aar'
}
pom.withXml {
def root = asNode()
root.appendNode('description', PROJ_DESCRIPTION)
root.children().last() + pomConfig
}
}
}
}
afterEvaluate {
publishing.publications.mavenJava.artifact(bundleRelease)
publishing.publications.mavenJava.artifact(bundleRelease)
}
bintray {
user = hasProperty("bintrayUser") ? getProperty("bintrayUser") : getProperty("BINTRAY_USER")
key = hasProperty("bintrayKey") ? getProperty("bintrayKey") : getProperty("BINTRAY_KEY")
user = hasProperty("bintrayUser") ? getProperty("bintrayUser") : getProperty("BINTRAY_USER")
key = hasProperty("bintrayKey") ? getProperty("bintrayKey") : getProperty("BINTRAY_KEY")
configurations = ['archives']
publications = ['mavenJava']
publish = true
configurations = ['archives']
publications = ['mavenJava']
publish = true
pkg {
repo = 'maven'
name = PROJ_NAME
desc = PROJ_DESCRIPTION
websiteUrl = PROJ_WEBSITEURL
issueTrackerUrl = PROJ_ISSUETRACKERURL
vcsUrl = PROJ_VCSURL
licenses = ['Apache-2.0']
publicDownloadNumbers = true
}
pkg {
repo = 'maven'
name = PROJ_NAME
desc = PROJ_DESCRIPTION
websiteUrl = PROJ_WEBSITEURL
issueTrackerUrl = PROJ_ISSUETRACKERURL
vcsUrl = PROJ_VCSURL
licenses = ['Apache-2.0']
publicDownloadNumbers = true
}
}
artifactory {
contextUrl = 'http://oss.jfrog.org/artifactory'
resolve {
repository {
repoKey = 'libs-release'
}
contextUrl = 'http://oss.jfrog.org/artifactory'
resolve {
repository {
repoKey = 'libs-release'
}
}
publish {
repository {
repoKey = 'oss-snapshot-local' //The Artifactory repository key to publish to
username = bintray.user
password = bintray.key
maven = true
}
publish {
repository {
repoKey = 'oss-snapshot-local' //The Artifactory repository key to publish to
username = bintray.user
password = bintray.key
maven = true
}
defaults {
publications('mavenJava')
publishArtifacts = true
}
defaults {
publications('mavenJava')
publishArtifacts = true
}
}
}

@ -7,7 +7,7 @@ import android.test.ApplicationTestCase;
* <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
*/
public class ApplicationTest extends ApplicationTestCase<Application> {
public ApplicationTest() {
super(Application.class);
}
public ApplicationTest() {
super(Application.class);
}
}

@ -1,11 +1,11 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.arialyy.downloadutil">
<application
android:allowBackup="true"
android:label="@string/app_name"
android:supportsRtl="true">
<application
android:allowBackup="true"
android:label="@string/app_name"
android:supportsRtl="true">
</application>
</application>
</manifest>

@ -1,9 +0,0 @@
package com.arialyy.downloadutil.core;
/**
* Created by lyy on 2016/8/14.
* 命令抽象类
*/
public abstract class DownloadCommand {
}

@ -1,70 +1,111 @@
package com.arialyy.downloadutil.core;
import android.content.Context;
import com.arialyy.downloadutil.core.command.IDownloadCommand;
import java.util.ArrayList;
import java.util.List;
/**
* Created by lyy on 2016/8/11.
* 下载管理器通过命令的方式控制下载
*/
public class DownloadManager {
/**
* 下载开始前事件
*/
public static final String ACTION_PRE = "ACTION_PRE";
/**
* 开始下载事件
*/
public static final String ACTION_START = "ACTION_START";
/**
* 恢复下载事件
*/
public static final String ACTION_RESUME = "ACTION_RESUME";
/**
* 正在下载事件
*/
public static final String ACTION_RUNNING = "ACTION_RUNNING";
/**
* 停止下载事件
*/
public static final String ACTION_STOP = "ACTION_STOP";
/**
* 取消下载事件
*/
public static final String ACTION_CANCEL = "ACTION_CANCEL";
/**
* 下载完成事件
*/
public static final String ACTION_COMPLETE = "ACTION_COMPLETE";
/**
* 下载失败事件
*/
public static final String ACTION_FAIL = "ACTION_FAIL";
/**
* 下载实体
*/
public static final String DATA = "DOWNLOAD_ENTITY";
/**
* 位置
*/
public static final String CURRENT_LOCATION = "CURRENT_LOCATION";
private Context mContext;
private DownloadManager(Context context) {
mContext = context;
private static final Object LOCK = new Object();
private static volatile DownloadManager INSTANCE = null;
/**
* 下载开始前事件
*/
public static final String ACTION_PRE = "ACTION_PRE";
/**
* 开始下载事件
*/
public static final String ACTION_START = "ACTION_START";
/**
* 恢复下载事件
*/
public static final String ACTION_RESUME = "ACTION_RESUME";
/**
* 正在下载事件
*/
public static final String ACTION_RUNNING = "ACTION_RUNNING";
/**
* 停止下载事件
*/
public static final String ACTION_STOP = "ACTION_STOP";
/**
* 取消下载事件
*/
public static final String ACTION_CANCEL = "ACTION_CANCEL";
/**
* 下载完成事件
*/
public static final String ACTION_COMPLETE = "ACTION_COMPLETE";
/**
* 下载失败事件
*/
public static final String ACTION_FAIL = "ACTION_FAIL";
/**
* 下载实体
*/
public static final String DATA = "DOWNLOAD_ENTITY";
/**
* 位置
*/
public static final String CURRENT_LOCATION = "CURRENT_LOCATION";
private List<IDownloadCommand> mCommands = new ArrayList<>();
private DownloadManager() {
}
private Context mContext;
private DownloadManager(Context context) {
mContext = context;
}
public static DownloadManager getInstance(Context context) {
if (INSTANCE == null) {
synchronized (LOCK) {
INSTANCE = new DownloadManager(context.getApplicationContext());
}
}
return INSTANCE;
}
public static DownloadManager getInstance(Context context) {
return new DownloadManager(context);
/**
* 设置命令
*/
public void setCommant(IDownloadCommand command) {
mCommands.add(command);
}
/**
* 设置一组命令
*/
public void setCommands(List<IDownloadCommand> commands) {
if (commands != null && commands.size() > 0) {
mCommands.addAll(commands);
}
}
/**
* 执行所有设置的命令
*/
public synchronized void exe() {
for (IDownloadCommand command : mCommands) {
command.executeComment();
}
mCommands.clear();
}
}

@ -1,9 +1,7 @@
package com.arialyy.downloadutil.core;
import android.content.Context;
import android.text.TextUtils;
import android.util.Log;
import com.arialyy.downloadutil.entity.DownloadEntity;
/**
@ -11,105 +9,96 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
* 下载任务调度类
*/
public class DownloadTarget extends IDownloadTarget {
private static final String TAG = "DownloadTarget";
private static final Object LOCK = new Object();
private static volatile DownloadTarget INSTANCE = null;
private Context mContext;
private static final String TAG = "DownloadTarget";
private static final Object LOCK = new Object();
private static volatile DownloadTarget INSTANCE = null;
private Context mContext;
public static DownloadTarget getInstance(Context context) {
if (INSTANCE == null) {
synchronized (LOCK) {
INSTANCE = new DownloadTarget(context.getApplicationContext());
}
}
return INSTANCE;
public static DownloadTarget getInstance(Context context) {
if (INSTANCE == null) {
synchronized (LOCK) {
INSTANCE = new DownloadTarget(context.getApplicationContext());
}
}
return INSTANCE;
}
private DownloadTarget() {
super();
}
private DownloadTarget() {
super();
}
private DownloadTarget(Context context) {
super();
mContext = context;
}
private DownloadTarget(Context context) {
super();
mContext = context;
}
@Override
public void startTask(Task task) {
if (mExecutePool.putTask(task)) {
task.start();
}
@Override public void startTask(Task task) {
if (mExecutePool.putTask(task)) {
task.start();
}
}
@Override
public void stopTask(Task task) {
if (mExecutePool.removeTask(task)) {
task.stop();
}
@Override public void stopTask(Task task) {
if (mExecutePool.removeTask(task)) {
task.stop();
}
}
@Override
public void cancelTask(Task task) {
if (mExecutePool.removeTask(task)) {
task.cancel();
}
@Override public void cancelTask(Task task) {
if (mExecutePool.removeTask(task)) {
task.cancel();
}
}
@Override
public void reTryStart(Task task) {
if (!task.getDownloadUtil().isDownloading()) {
task.start();
} else {
Log.w(TAG, "任务没有完全停止,重试下载失败");
}
@Override public void reTryStart(Task task) {
if (!task.getDownloadUtil().isDownloading()) {
task.start();
} else {
Log.w(TAG, "任务没有完全停止,重试下载失败");
}
}
@Override
public Task createTask(DownloadEntity entity) {
Task task = TaskFactory.getInstance().createTask(mContext, entity, mTaskHandler);
mCachePool.putTask(task);
return task;
}
@Override public Task createTask(DownloadEntity entity) {
Task task = TaskFactory.getInstance().createTask(mContext, entity, mTaskHandler);
mCachePool.putTask(task);
return task;
}
@Override
public Task getTask(DownloadEntity entity) {
Task task = mExecutePool.getTask(entity.getDownloadUrl());
if (task == null) {
task = mCachePool.getTask(entity.getDownloadUrl());
}
if (task == null){
task = createTask(entity);
}
return task;
@Override public Task getTask(DownloadEntity entity) {
Task task = mExecutePool.getTask(entity.getDownloadUrl());
if (task == null) {
task = mCachePool.getTask(entity.getDownloadUrl());
}
@Override
public int getTaskState(DownloadEntity entity) {
Task task = getTask(entity);
if (task == null) {
Log.e(TAG, "没有找到下载链接为【" + entity.getDownloadUrl() + "】的下载任务");
return -1;
}
return task.getDownloadEntity().getState();
if (task == null) {
task = createTask(entity);
}
return task;
}
@Override
public void removeTask(DownloadEntity entity) {
Task task = mCachePool.getTask(entity.getDownloadUrl());
if (task != null) {
Log.d(TAG, "任务删除" + (mCachePool.removeTask(task) ? "成功" : "失败"));
} else {
task = mExecutePool.getTask(entity.getDownloadUrl());
}
if (task != null) {
Log.d(TAG, "任务删除" + (mCachePool.removeTask(task) ? "成功" : "失败"));
} else {
Log.w(TAG, "没有找到下载链接为【" + entity.getDownloadUrl() + "】的任务");
}
@Override public int getTaskState(DownloadEntity entity) {
Task task = getTask(entity);
if (task == null) {
Log.e(TAG, "没有找到下载链接为【" + entity.getDownloadUrl() + "】的下载任务");
return -1;
}
return task.getDownloadEntity().getState();
}
@Override
public Task getNextTask() {
return mCachePool.pollTask();
@Override public void removeTask(DownloadEntity entity) {
Task task = mCachePool.getTask(entity.getDownloadUrl());
if (task != null) {
Log.d(TAG, "任务删除" + (mCachePool.removeTask(task) ? "成功" : "失败"));
} else {
task = mExecutePool.getTask(entity.getDownloadUrl());
}
if (task != null) {
Log.d(TAG, "任务删除" + (mCachePool.removeTask(task) ? "成功" : "失败"));
} else {
Log.w(TAG, "没有找到下载链接为【" + entity.getDownloadUrl() + "】的任务");
}
}
@Override public Task getNextTask() {
return mCachePool.pollTask();
}
}

@ -3,7 +3,6 @@ package com.arialyy.downloadutil.core;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import com.arialyy.downloadutil.core.inf.IDownloader;
import com.arialyy.downloadutil.core.inf.ITask;
import com.arialyy.downloadutil.core.pool.CachePool;
@ -15,217 +14,205 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
* 任务下载器提供抽象的方法供具体的实现类操作
*/
public abstract class IDownloadTarget implements IDownloader, ITask {
/**
* 任务开始
*/
public static final int START = 1;
/**
* 任务停止
*/
public static final int STOP = 2;
/**
* 任务失败
*/
public static final int FAIL = 3;
/**
* 任务取消
*/
public static final int CANCEL = 4;
/**
* 任务完成
*/
public static final int COMPLETE = 5;
protected CachePool mCachePool = CachePool.getInstance();
protected ExecutePool mExecutePool = ExecutePool.getInstance();
protected AutoTaskHandler mTaskHandler;
/**
* 下载失败次数
*/
protected int mFailNum = 10;
/**
* 超时时间
*/
protected long mTimeOut = 10000;
/**
* 下载器任务监听
*/
protected OnTargetListener mTargetListener;
/**
* Target处理任务监听
*/
public interface OnTargetListener {
/**
* 任务开始
*/
public static final int START = 1;
/**
* 任务停止
*/
public static final int STOP = 2;
/**
* 任务失败
*/
public static final int FAIL = 3;
/**
* 任务取消
*/
public static final int CANCEL = 4;
/**
* 任务完成
*/
public static final int COMPLETE = 5;
public void onTaskStart(Task task);
protected CachePool mCachePool = CachePool.getInstance();
protected ExecutePool mExecutePool = ExecutePool.getInstance();
protected AutoTaskHandler mTaskHandler;
/**
* 下载失败次数
* 任务停止
*/
protected int mFailNum = 10;
public void onTaskStop(Task task);
/**
* 超时时间
* 任务取消
*/
protected long mTimeOut = 10000;
public void onTaskCancel(Task task);
/**
* 下载器任务监听
* 任务下载失败
*/
protected OnTargetListener mTargetListener;
public void onTaskFail(Task task);
/**
* Target处理任务监听
* 任务完成
*/
public interface OnTargetListener {
/**
* 任务开始
*
* @param task
*/
public void onTaskStart(Task task);
/**
* 任务停止
*
* @param task
*/
public void onTaskStop(Task task);
/**
* 任务取消
*
* @param task
*/
public void onTaskCancel(Task task);
/**
* 任务下载失败
*
* @param task
*/
public void onTaskFail(Task task);
/**
* 任务完成
*
* @param task
*/
public void onTaskComplete(Task task);
public void onTaskComplete(Task task);
}
protected IDownloadTarget() {
mTaskHandler = new AutoTaskHandler(this);
}
/**
* 设置下载器监听
*
* @param targetListener {@link OnTargetListener}
*/
public void setOnTargetListener(OnTargetListener targetListener) {
this.mTargetListener = targetListener;
}
/**
* 获取当前运行的任务数
*
* @return 当前正在执行的任务数
*/
public int getCurrentTaskNum() {
return mExecutePool.size();
}
/**
* 获取缓存任务数
*
* @return 获取缓存的任务数
*/
public int getCacheTaskNum() {
return mCachePool.size();
}
public void setFailNum(int mFailNum) {
this.mFailNum = mFailNum;
}
public void setTimeOut(long timeOut) {
this.mTimeOut = timeOut;
}
/**
* 自动处理任务停止下载失败取消下载自动下载下一个任务的操作
*/
private static class AutoTaskHandler extends Handler {
private static final String TAG = "AutoTaskHandler";
IDownloadTarget target;
public AutoTaskHandler(IDownloadTarget target) {
this.target = target;
}
protected IDownloadTarget() {
mTaskHandler = new AutoTaskHandler(this);
@Override public void handleMessage(Message msg) {
super.handleMessage(msg);
DownloadEntity entity = (DownloadEntity) msg.obj;
if (entity == null) {
Log.e(TAG, "请传入下载实体DownloadEntity");
return;
}
switch (msg.what) {
case STOP:
startNextTask(entity);
break;
case CANCEL:
startNextTask(entity);
break;
case COMPLETE:
startNextTask(entity);
break;
case FAIL:
handleFailTask(entity);
break;
}
callback(msg.what, entity);
}
/**
* 设置下载器监听
* 回调
*
* @param targetListener {@link OnTargetListener}
* @param state 状态
* @param entity 下载实体
*/
public void setOnTargetListener(OnTargetListener targetListener) {
this.mTargetListener = targetListener;
private void callback(int state, DownloadEntity entity) {
if (target.mTargetListener != null) {
Task task = target.getTask(entity);
switch (state) {
case START:
target.mTargetListener.onTaskStart(task);
break;
case STOP:
target.mTargetListener.onTaskStop(task);
break;
case CANCEL:
target.mTargetListener.onTaskCancel(task);
break;
case COMPLETE:
target.mTargetListener.onTaskCancel(task);
break;
case FAIL:
target.mTargetListener.onTaskFail(task);
break;
}
}
}
/**
* 获取当前运行的任务数
* 处理下载任务下载失败的情形
*
* @return 当前正在执行的任务数
* @param entity 失败实体
*/
public int getCurrentTaskNum() {
return mExecutePool.size();
private void handleFailTask(DownloadEntity entity) {
if (entity.getFailNum() <= target.mFailNum) {
Task task = target.getTask(entity);
target.reTryStart(task);
} else {
startNextTask(entity);
}
}
/**
* 获取缓存任务数
* 启动下一个任务条件任务停止取消下载任务完成
*
* @return 获取缓存的任务数
* @param entity 通过Handler传递的下载实体
*/
public int getCacheTaskNum() {
return mCachePool.size();
}
public void setFailNum(int mFailNum) {
this.mFailNum = mFailNum;
private void startNextTask(DownloadEntity entity) {
target.removeTask(entity);
Task newTask = target.getNextTask();
if (newTask == null) {
Log.e(TAG, "没有下一任务");
return;
}
target.startTask(newTask);
}
public void setTimeOut(long timeOut) {
this.mTimeOut = timeOut;
}
/**
* 自动处理任务停止下载失败取消下载自动下载下一个任务的操作
*/
private static class AutoTaskHandler extends Handler {
private static final String TAG = "AutoTaskHandler";
IDownloadTarget target;
public AutoTaskHandler(IDownloadTarget target) {
this.target = target;
}
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
DownloadEntity entity = (DownloadEntity) msg.obj;
if (entity == null) {
Log.e(TAG, "请传入下载实体DownloadEntity");
return;
}
switch (msg.what) {
case STOP:
startNextTask(entity);
break;
case CANCEL:
startNextTask(entity);
break;
case COMPLETE:
startNextTask(entity);
break;
case FAIL:
handleFailTask(entity);
break;
}
callback(msg.what, entity);
}
/**
* 回调
*
* @param state 状态
* @param entity 下载实体
*/
private void callback(int state, DownloadEntity entity) {
if (target.mTargetListener != null) {
Task task = target.getTask(entity);
switch (state) {
case START:
target.mTargetListener.onTaskStart(task);
break;
case STOP:
target.mTargetListener.onTaskStop(task);
break;
case CANCEL:
target.mTargetListener.onTaskCancel(task);
break;
case COMPLETE:
target.mTargetListener.onTaskCancel(task);
break;
case FAIL:
target.mTargetListener.onTaskFail(task);
break;
}
}
}
/**
* 处理下载任务下载失败的情形
*
* @param entity 失败实体
*/
private void handleFailTask(DownloadEntity entity) {
if (entity.getFailNum() <= target.mFailNum) {
Task task = target.getTask(entity);
target.reTryStart(task);
} else {
startNextTask(entity);
}
}
/**
* 启动下一个任务条件任务停止取消下载任务完成
*
* @param entity 通过Handler传递的下载实体
*/
private void startNextTask(DownloadEntity entity) {
target.removeTask(entity);
Task newTask = target.getNextTask();
if (newTask == null) {
Log.e(TAG, "没有下一任务");
return;
}
target.startTask(newTask);
}
}
}
}

@ -4,11 +4,9 @@ import android.content.Context;
import android.content.Intent;
import android.os.Handler;
import android.util.Log;
import com.arialyy.downloadutil.entity.DownloadEntity;
import com.arialyy.downloadutil.util.IDownloadListener;
import com.arialyy.downloadutil.util.DownLoadUtil;
import com.arialyy.downloadutil.util.IDownloadListener;
import java.net.HttpURLConnection;
/**
@ -16,197 +14,189 @@ import java.net.HttpURLConnection;
* 下载任务类
*/
public class Task {
public static final String TAG = "Task";
public static final String TAG = "Task";
private DownloadEntity downloadEntity;
private IDownloadListener listener;
private Handler outHandler;
private Context context;
private DownLoadUtil util;
private Task() {
util = new DownLoadUtil();
}
/**
* 开始下载
*/
public void start() {
if (util.isDownloading()) {
Log.d(TAG, "任务正在下载");
} else {
if (listener == null) {
listener = new DownloadListener(context, downloadEntity, outHandler);
}
util.download(context, downloadEntity.getDownloadUrl(), downloadEntity.getDownloadPath(),
listener);
}
}
public DownloadEntity getDownloadEntity() {
return downloadEntity;
}
/**
* 停止下载
*/
public void stop() {
if (util.isDownloading()) {
util.stopDownload();
}
}
/**
* 获取下载工具
*/
public DownLoadUtil getDownloadUtil() {
return util;
}
/**
* 取消下载
*/
public void cancel() {
util.cancelDownload();
}
/**
* 下载监听类
*/
private static class DownloadListener extends DownLoadUtil.DownloadListener {
Handler outHandler;
Context context;
Intent sendIntent;
long INTERVAL = 1024 * 10; //10k大小的间隔
long lastLen = 0; //上一次发送长度
DownloadEntity downloadEntity;
public DownloadListener(Context context, DownloadEntity downloadEntity, Handler outHandler) {
this.context = context;
this.outHandler = outHandler;
this.downloadEntity = downloadEntity;
sendIntent = new Intent();
sendIntent.addCategory(context.getPackageName());
}
private DownloadEntity downloadEntity;
private IDownloadListener listener;
private Handler outHandler;
private Context context;
private DownLoadUtil util;
@Override public void onPreDownload(HttpURLConnection connection) {
super.onPreDownload(connection);
long len = connection.getContentLength();
downloadEntity.setFileSize(len);
downloadEntity.setState(DownloadEntity.STATE_DOWNLOAD_ING);
sendIntent(DownloadManager.ACTION_PRE, -1);
}
private Task() {
util = new DownLoadUtil();
@Override public void onResume(long resumeLocation) {
super.onResume(resumeLocation);
downloadEntity.setState(DownloadEntity.STATE_DOWNLOAD_ING);
sendIntent(DownloadManager.ACTION_RESUME, resumeLocation);
}
/**
* 开始下载
*/
public void start() {
if (util.isDownloading()) {
Log.d(TAG, "任务正在下载");
} else {
if (listener == null) {
listener = new DownloadListener(context, downloadEntity, outHandler);
}
util.download(context, downloadEntity.getDownloadUrl(), downloadEntity.getDownloadPath(), listener);
}
@Override public void onStart(long startLocation) {
super.onStart(startLocation);
downloadEntity.setState(DownloadEntity.STATE_DOWNLOAD_ING);
sendInState2Target(IDownloadTarget.START);
sendIntent(DownloadManager.ACTION_START, startLocation);
}
public DownloadEntity getDownloadEntity() {
return downloadEntity;
@Override public void onProgress(long currentLocation) {
super.onProgress(currentLocation);
if (currentLocation - lastLen > INTERVAL) { //不要太过于频繁发送广播
sendIntent.putExtra(DownloadManager.ACTION_RUNNING, currentLocation);
lastLen = currentLocation;
}
}
/**
* 停止下载
*/
public void stop() {
if (util.isDownloading()) {
util.stopDownload();
}
@Override public void onStop(long stopLocation) {
super.onStop(stopLocation);
downloadEntity.setState(DownloadEntity.STATE_STOP);
sendInState2Target(IDownloadTarget.STOP);
sendIntent(DownloadManager.ACTION_STOP, stopLocation);
}
/**
* 获取下载工具
*/
public DownLoadUtil getDownloadUtil() {
return util;
@Override public void onCancel() {
super.onCancel();
downloadEntity.setState(DownloadEntity.STATE_CANCEL);
sendInState2Target(IDownloadTarget.CANCEL);
sendIntent(DownloadManager.ACTION_CANCEL, -1);
downloadEntity.deleteData();
}
/**
* 取消下载
*/
public void cancel() {
util.cancelDownload();
@Override public void onComplete() {
super.onComplete();
downloadEntity.setState(DownloadEntity.STATE_COMPLETE);
downloadEntity.setDownloadComplete(true);
sendInState2Target(IDownloadTarget.COMPLETE);
sendIntent(DownloadManager.ACTION_COMPLETE, -1);
}
@Override public void onFail() {
super.onFail();
downloadEntity.setState(DownloadEntity.STATE_FAIL);
sendInState2Target(IDownloadTarget.FAIL);
sendIntent(DownloadManager.ACTION_FAIL, -1);
}
/**
* 下载监听类
* 将任务状态发送给下载器
*
* @param state {@link IDownloadTarget#START}
*/
private static class DownloadListener extends DownLoadUtil.DownloadListener {
Handler outHandler;
Context context;
Intent sendIntent;
long INTERVAL = 1024 * 10; //10k大小的间隔
long lastLen = 0; //上一次发送长度
DownloadEntity downloadEntity;
public DownloadListener(Context context, DownloadEntity downloadEntity, Handler outHandler) {
this.context = context;
this.outHandler = outHandler;
this.downloadEntity = downloadEntity;
sendIntent = new Intent();
sendIntent.addCategory(context.getPackageName());
}
@Override
public void onPreDownload(HttpURLConnection connection) {
super.onPreDownload(connection);
long len = connection.getContentLength();
downloadEntity.setFileSize(len);
downloadEntity.setState(DownloadEntity.STATE_DOWNLOAD_ING);
sendIntent(DownloadManager.ACTION_PRE, -1);
}
@Override
public void onResume(long resumeLocation) {
super.onResume(resumeLocation);
downloadEntity.setState(DownloadEntity.STATE_DOWNLOAD_ING);
sendIntent(DownloadManager.ACTION_RESUME, resumeLocation);
}
@Override
public void onStart(long startLocation) {
super.onStart(startLocation);
downloadEntity.setState(DownloadEntity.STATE_DOWNLOAD_ING);
sendInState2Target(IDownloadTarget.START);
sendIntent(DownloadManager.ACTION_START, startLocation);
}
@Override
public void onProgress(long currentLocation) {
super.onProgress(currentLocation);
if (currentLocation - lastLen > INTERVAL) { //不要太过于频繁发送广播
sendIntent.putExtra(DownloadManager.ACTION_RUNNING, currentLocation);
lastLen = currentLocation;
}
}
@Override
public void onStop(long stopLocation) {
super.onStop(stopLocation);
downloadEntity.setState(DownloadEntity.STATE_STOP);
sendInState2Target(IDownloadTarget.STOP);
sendIntent(DownloadManager.ACTION_STOP, stopLocation);
}
@Override
public void onCancel() {
super.onCancel();
downloadEntity.setState(DownloadEntity.STATE_CANCEL);
sendInState2Target(IDownloadTarget.CANCEL);
sendIntent(DownloadManager.ACTION_CANCEL, -1);
downloadEntity.deleteData();
}
@Override
public void onComplete() {
super.onComplete();
downloadEntity.setState(DownloadEntity.STATE_COMPLETE);
downloadEntity.setDownloadComplete(true);
sendInState2Target(IDownloadTarget.COMPLETE);
sendIntent(DownloadManager.ACTION_COMPLETE, -1);
}
@Override
public void onFail() {
super.onFail();
downloadEntity.setState(DownloadEntity.STATE_FAIL);
sendInState2Target(IDownloadTarget.FAIL);
sendIntent(DownloadManager.ACTION_FAIL, -1);
}
/**
* 将任务状态发送给下载器
*
* @param state {@link IDownloadTarget#START}
*/
private void sendInState2Target(int state) {
if (outHandler != null) {
outHandler.obtainMessage(state, downloadEntity).sendToTarget();
}
}
private void sendIntent(String action, long location) {
downloadEntity.save();
Intent intent = new Intent();
intent.addCategory(context.getPackageName());
intent.putExtra(action, downloadEntity);
if (location != -1) {
intent.putExtra(DownloadManager.CURRENT_LOCATION, location);
}
context.sendBroadcast(intent);
}
}
public static class Builder {
DownloadEntity downloadEntity;
IDownloadListener listener;
Handler outHandler;
Context context;
public Builder(Context context, DownloadEntity downloadEntity) {
this.context = context;
this.downloadEntity = downloadEntity;
}
public Builder setDownloadListener(IDownloadListener listener) {
this.listener = listener;
return this;
}
public Builder setOutHandler(Handler outHandler) {
this.outHandler = outHandler;
return this;
}
public Task builder() {
Task task = new Task();
task.context = context;
task.downloadEntity = downloadEntity;
task.listener = listener;
task.outHandler = outHandler;
return task;
}
private void sendInState2Target(int state) {
if (outHandler != null) {
outHandler.obtainMessage(state, downloadEntity).sendToTarget();
}
}
private void sendIntent(String action, long location) {
downloadEntity.save();
Intent intent = new Intent();
intent.addCategory(context.getPackageName());
intent.putExtra(action, downloadEntity);
if (location != -1) {
intent.putExtra(DownloadManager.CURRENT_LOCATION, location);
}
context.sendBroadcast(intent);
}
}
public static class Builder {
DownloadEntity downloadEntity;
IDownloadListener listener;
Handler outHandler;
Context context;
public Builder(Context context, DownloadEntity downloadEntity) {
this.context = context;
this.downloadEntity = downloadEntity;
}
public Builder setDownloadListener(IDownloadListener listener) {
this.listener = listener;
return this;
}
public Builder setOutHandler(Handler outHandler) {
this.outHandler = outHandler;
return this;
}
public Task builder() {
Task task = new Task();
task.context = context;
task.downloadEntity = downloadEntity;
task.listener = listener;
task.outHandler = outHandler;
return task;
}
}
}

@ -5,5 +5,5 @@ package com.arialyy.downloadutil.core;
* 创建任务类型
*/
public enum TaskEnum {
ORDINARY, NO_USR_CALLBACK
ORDINARY, NO_USR_CALLBACK
}

@ -2,7 +2,6 @@ package com.arialyy.downloadutil.core;
import android.content.Context;
import android.os.Handler;
import com.arialyy.downloadutil.entity.DownloadEntity;
/**
@ -10,35 +9,33 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
* 任务工厂
*/
public class TaskFactory {
private static final String TAG = "TaskFactory";
private static final String TAG = "TaskFactory";
private static final Object LOCK = new Object();
private static volatile TaskFactory INSTANCE = null;
private static final Object LOCK = new Object();
private static volatile TaskFactory INSTANCE = null;
private TaskFactory() {
private TaskFactory() {
}
}
public static TaskFactory getInstance() {
if (INSTANCE == null) {
synchronized (LOCK) {
INSTANCE = new TaskFactory();
}
}
return INSTANCE;
public static TaskFactory getInstance() {
if (INSTANCE == null) {
synchronized (LOCK) {
INSTANCE = new TaskFactory();
}
}
/**
* 创建普通下载任务
* @param context
* @param entity 下载实体
* @param handler {@link com.arialyy.downloadutil.core.IDownloadTarget.AutoTaskHandler}
* @return
*/
public Task createTask(Context context, DownloadEntity entity, Handler handler) {
Task.Builder builder = new Task.Builder(context, entity);
builder.setOutHandler(handler);
return builder.builder();
}
return INSTANCE;
}
/**
* 创建普通下载任务
*
* @param entity 下载实体
* @param handler {@link com.arialyy.downloadutil.core.IDownloadTarget.AutoTaskHandler}
*/
public Task createTask(Context context, DownloadEntity entity, Handler handler) {
Task.Builder builder = new Task.Builder(context, entity);
builder.setOutHandler(handler);
return builder.builder();
}
}

@ -9,12 +9,11 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
*/
class AddCommand extends IDownloadCommand {
AddCommand(Context context, DownloadEntity entity) {
super(context, entity);
}
AddCommand(Context context, DownloadEntity entity) {
super(context, entity);
}
@Override
public void executeComment() {
target.createTask(mEntity);
}
@Override public void executeComment() {
target.createTask(mEntity);
}
}

@ -1,54 +1,48 @@
package com.arialyy.downloadutil.core.command;
import android.content.Context;
import android.support.annotation.NonNull;
import com.arialyy.downloadutil.core.DownloadTarget;
import com.arialyy.downloadutil.core.IDownloadTarget;
import com.arialyy.downloadutil.entity.DownloadEntity;
import com.arialyy.downloadutil.help.CheckHelp;
import java.util.List;
/**
* Created by lyy on 2016/8/22.
* 下载命令
*/
public abstract class IDownloadCommand {
protected IDownloadTarget target;
protected Context mContext;
protected DownloadEntity mEntity;
/**
* @param context context
* @param entity 下载实体
*/
protected IDownloadCommand(Context context, DownloadEntity entity){
if (!CheckHelp.checkDownloadEntity(entity)){
return;
}
target = DownloadTarget.getInstance(context);
mContext = context;
mEntity = entity;
}
public Context getContext(){
return mContext;
protected IDownloadTarget target;
protected Context mContext;
protected DownloadEntity mEntity;
/**
* @param context context
* @param entity 下载实体
*/
protected IDownloadCommand(Context context, DownloadEntity entity) {
if (!CheckHelp.checkDownloadEntity(entity)) {
return;
}
/**
* 执行命令
*/
public abstract void executeComment();
/**
* 设置下载器
*
* @param downloadTarget {@link IDownloadTarget}
*/
public void setDownloadTarget(IDownloadTarget downloadTarget) {
target = downloadTarget;
}
target = DownloadTarget.getInstance(context);
mContext = context;
mEntity = entity;
}
public Context getContext() {
return mContext;
}
/**
* 执行命令
*/
public abstract void executeComment();
/**
* 设置下载器
*
* @param downloadTarget {@link IDownloadTarget}
*/
public void setDownloadTarget(IDownloadTarget downloadTarget) {
target = downloadTarget;
}
}

@ -7,14 +7,13 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
* Created by lyy on 2016/8/22.
* 开始命令
*/
class StartCommand extends IDownloadCommand{
class StartCommand extends IDownloadCommand {
StartCommand(Context context, DownloadEntity entity) {
super(context, entity);
}
StartCommand(Context context, DownloadEntity entity) {
super(context, entity);
}
@Override
public void executeComment() {
target.startTask(target.getTask(mEntity));
}
@Override public void executeComment() {
target.startTask(target.getTask(mEntity));
}
}

@ -7,32 +7,31 @@ import com.arialyy.downloadutil.core.Task;
* 下载功能接口
*/
public interface IDownloader {
/**
* 开始任务
*
* @param task {@link Task}
*/
public void startTask(Task task);
/**
* 开始任务
*
* @param task {@link Task}
*/
public void startTask(Task task);
/**
* 停止任务
*
* @param task {@link Task}
*/
public void stopTask(Task task);
/**
* 停止任务
*
* @param task {@link Task}
*/
public void stopTask(Task task);
/**
* 取消任务
*
* @param task {@link Task}
*/
public void cancelTask(Task task);
/**
* 重试下载
*
* @param task {@link Task}
*/
public void reTryStart(Task task);
/**
* 取消任务
*
* @param task {@link Task}
*/
public void cancelTask(Task task);
/**
* 重试下载
*
* @param task {@link Task}
*/
public void reTryStart(Task task);
}

@ -7,48 +7,46 @@ import com.arialyy.downloadutil.core.Task;
* 任务池
*/
public interface IPool {
/**
* 将下载任务添加到任务池中
*
* @param task
*/
public boolean putTask(Task task);
/**
* 将下载任务添加到任务池中
*/
public boolean putTask(Task task);
/**
* 按照队列原则取出下载任务
*
* @return 返回null或者下载任务
*/
public Task pollTask();
/**
* 按照队列原则取出下载任务
*
* @return 返回null或者下载任务
*/
public Task pollTask();
/**
* 通过下载链接获取下载任务当任务不为空时队列将删除该下载任务
*
* @param downloadUrl 下载链接
* @return 返回null或者下载任务
*/
public Task getTask(String downloadUrl);
/**
* 通过下载链接获取下载任务当任务不为空时队列将删除该下载任务
*
* @param downloadUrl 下载链接
* @return 返回null或者下载任务
*/
public Task getTask(String downloadUrl);
/**
* 删除任务池中的下载任务
*
* @param task 下载任务
* @return true:移除成功
*/
public boolean removeTask(Task task);
/**
* 删除任务池中的下载任务
*
* @param task 下载任务
* @return true:移除成功
*/
public boolean removeTask(Task task);
/**
* 通过下载链接移除下载任务
*
* @param downloadUrl 下载链接
* @return true:移除成功
*/
public boolean removeTask(String downloadUrl);
/**
* 通过下载链接移除下载任务
*
* @param downloadUrl 下载链接
* @return true:移除成功
*/
public boolean removeTask(String downloadUrl);
/**
* 池子大小
*
* @return 返回缓存池或者当前任务池大小
*/
public int size();
/**
* 池子大小
*
* @return 返回缓存池或者当前任务池大小
*/
public int size();
}

@ -9,41 +9,41 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
*/
public interface ITask {
/**
* 创建一个新的下载任务创建时只是将新任务存储到缓存池
*
* @param entity 下载实体{@link DownloadEntity}
* @return {@link Task}
*/
public Task createTask(DownloadEntity entity);
/**
* 通过下载链接从缓存池或任务池搜索下载任务如果缓存池或任务池都没有任务则创建新任务
*
* @param entity 下载实体{@link DownloadEntity}
* @return {@link Task}
*/
public Task getTask(DownloadEntity entity);
/**
* 通过下载链接搜索下载任务
*
* @param entity 下载实体{@link DownloadEntity}
* @return {@code -1 ==> 错误}{@link com.arialyy.downloadutil.entity.DownloadEntity#STATE_FAIL}
*/
public int getTaskState(DownloadEntity entity);
/**
* 通过下载链接删除任务
* @param entity 下载实体{@link DownloadEntity}
*/
public void removeTask(DownloadEntity entity);
/**
* 获取缓存池的下一个任务
*
* @return 下载任务 or null
*/
public Task getNextTask();
/**
* 创建一个新的下载任务创建时只是将新任务存储到缓存池
*
* @param entity 下载实体{@link DownloadEntity}
* @return {@link Task}
*/
public Task createTask(DownloadEntity entity);
/**
* 通过下载链接从缓存池或任务池搜索下载任务如果缓存池或任务池都没有任务则创建新任务
*
* @param entity 下载实体{@link DownloadEntity}
* @return {@link Task}
*/
public Task getTask(DownloadEntity entity);
/**
* 通过下载链接搜索下载任务
*
* @param entity 下载实体{@link DownloadEntity}
* @return {@code -1 ==> 错误}{@link com.arialyy.downloadutil.entity.DownloadEntity#STATE_FAIL}
*/
public int getTaskState(DownloadEntity entity);
/**
* 通过下载链接删除任务
*
* @param entity 下载实体{@link DownloadEntity}
*/
public void removeTask(DownloadEntity entity);
/**
* 获取缓存池的下一个任务
*
* @return 下载任务 or null
*/
public Task getNextTask();
}

@ -2,11 +2,9 @@ package com.arialyy.downloadutil.core.pool;
import android.text.TextUtils;
import android.util.Log;
import com.arialyy.downloadutil.core.Task;
import com.arialyy.downloadutil.core.inf.IPool;
import com.arialyy.downloadutil.util.Util;
import java.util.HashMap;
import java.util.Map;
import java.util.PriorityQueue;
@ -17,102 +15,96 @@ import java.util.Queue;
* 任务缓存池所有下载任务最先缓存在这个池中
*/
public class CachePool implements IPool {
private static final String TAG = "CachePool";
private static final Object LOCK = new Object();
private static volatile CachePool INSTANCE = null;
private Map<String, Task> mCacheArray;
private Queue<Task> mCacheQueue;
private static final String TAG = "CachePool";
private static final Object LOCK = new Object();
private static volatile CachePool INSTANCE = null;
private Map<String, Task> mCacheArray;
private Queue<Task> mCacheQueue;
public static CachePool getInstance() {
if (INSTANCE == null) {
synchronized (LOCK) {
INSTANCE = new CachePool();
}
}
return INSTANCE;
public static CachePool getInstance() {
if (INSTANCE == null) {
synchronized (LOCK) {
INSTANCE = new CachePool();
}
}
return INSTANCE;
}
private CachePool() {
mCacheQueue = new PriorityQueue<>();
mCacheArray = new HashMap<>();
}
private CachePool() {
mCacheQueue = new PriorityQueue<>();
mCacheArray = new HashMap<>();
}
@Override
public boolean putTask(Task task) {
synchronized (LOCK) {
if (task == null) {
Log.e(TAG, "下载任务不能为空!!");
return false;
}
String url = task.getDownloadEntity().getDownloadUrl();
if (mCacheQueue.contains(task)) {
Log.e(TAG, "队列中已经包含了该任务,任务下载链接【" + url + "】");
return false;
} else {
boolean s = mCacheQueue.offer(task);
Log.w(TAG, "任务添加" + (s ? "成功" : "失败,【" + url + "】"));
if (s) {
mCacheArray.put(Util.keyToHashKey(url), task);
}
return s;
}
@Override public boolean putTask(Task task) {
synchronized (LOCK) {
if (task == null) {
Log.e(TAG, "下载任务不能为空!!");
return false;
}
String url = task.getDownloadEntity().getDownloadUrl();
if (mCacheQueue.contains(task)) {
Log.e(TAG, "队列中已经包含了该任务,任务下载链接【" + url + "】");
return false;
} else {
boolean s = mCacheQueue.offer(task);
Log.w(TAG, "任务添加" + (s ? "成功" : "失败,【" + url + "】"));
if (s) {
mCacheArray.put(Util.keyToHashKey(url), task);
}
return s;
}
}
}
@Override
public Task pollTask() {
synchronized (LOCK) {
Task task = mCacheQueue.poll();
if (task != null) {
String url = task.getDownloadEntity().getDownloadUrl();
mCacheArray.remove(Util.keyToHashKey(url));
}
return task;
}
@Override public Task pollTask() {
synchronized (LOCK) {
Task task = mCacheQueue.poll();
if (task != null) {
String url = task.getDownloadEntity().getDownloadUrl();
mCacheArray.remove(Util.keyToHashKey(url));
}
return task;
}
}
@Override
public Task getTask(String downloadUrl) {
synchronized (LOCK) {
if (TextUtils.isEmpty(downloadUrl)) {
Log.e(TAG, "请传入有效的下载链接");
return null;
}
String key = Util.keyToHashKey(downloadUrl);
return mCacheArray.get(key);
}
@Override public Task getTask(String downloadUrl) {
synchronized (LOCK) {
if (TextUtils.isEmpty(downloadUrl)) {
Log.e(TAG, "请传入有效的下载链接");
return null;
}
String key = Util.keyToHashKey(downloadUrl);
return mCacheArray.get(key);
}
}
@Override
public boolean removeTask(Task task) {
synchronized (LOCK) {
if (task == null) {
Log.e(TAG, "任务不能为空");
return false;
} else {
String key = Util.keyToHashKey(task.getDownloadEntity().getDownloadUrl());
mCacheArray.remove(key);
return mCacheQueue.remove(task);
}
}
@Override public boolean removeTask(Task task) {
synchronized (LOCK) {
if (task == null) {
Log.e(TAG, "任务不能为空");
return false;
} else {
String key = Util.keyToHashKey(task.getDownloadEntity().getDownloadUrl());
mCacheArray.remove(key);
return mCacheQueue.remove(task);
}
}
}
@Override
public boolean removeTask(String downloadUrl) {
synchronized (LOCK) {
if (TextUtils.isEmpty(downloadUrl)) {
Log.e(TAG, "请传入有效的下载链接");
return false;
}
String key = Util.keyToHashKey(downloadUrl);
Task task = mCacheArray.get(key);
mCacheArray.remove(key);
return mCacheQueue.remove(task);
}
@Override public boolean removeTask(String downloadUrl) {
synchronized (LOCK) {
if (TextUtils.isEmpty(downloadUrl)) {
Log.e(TAG, "请传入有效的下载链接");
return false;
}
String key = Util.keyToHashKey(downloadUrl);
Task task = mCacheArray.get(key);
mCacheArray.remove(key);
return mCacheQueue.remove(task);
}
}
@Override
public int size() {
return mCacheQueue.size();
}
@Override public int size() {
return mCacheQueue.size();
}
}

@ -2,11 +2,9 @@ package com.arialyy.downloadutil.core.pool;
import android.text.TextUtils;
import android.util.Log;
import com.arialyy.downloadutil.core.Task;
import com.arialyy.downloadutil.core.inf.IPool;
import com.arialyy.downloadutil.util.Util;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ArrayBlockingQueue;
@ -17,144 +15,137 @@ import java.util.concurrent.TimeUnit;
* 任务执行池所有当前下载任务都该任务池中默认下载大小为2
*/
public class ExecutePool implements IPool {
private static final String TAG = "ExecutePool";
private static final Object LOCK = new Object();
private static final long TIME_OUT = 1000;
private static volatile ExecutePool INSTANCE = null;
private static int SIZE = 2;
private ArrayBlockingQueue<Task> mExecuteQueue;
private Map<String, Task> mExecuteArray;
private static final String TAG = "ExecutePool";
private static final Object LOCK = new Object();
private static final long TIME_OUT = 1000;
private static volatile ExecutePool INSTANCE = null;
private static int SIZE = 2;
private ArrayBlockingQueue<Task> mExecuteQueue;
private Map<String, Task> mExecuteArray;
public static ExecutePool getInstance() {
if (INSTANCE == null) {
synchronized (LOCK) {
INSTANCE = new ExecutePool();
}
}
return INSTANCE;
public static ExecutePool getInstance() {
if (INSTANCE == null) {
synchronized (LOCK) {
INSTANCE = new ExecutePool();
}
}
return INSTANCE;
}
private ExecutePool() {
mExecuteQueue = new ArrayBlockingQueue<>(SIZE);
mExecuteArray = new HashMap<>();
}
private ExecutePool() {
mExecuteQueue = new ArrayBlockingQueue<>(SIZE);
mExecuteArray = new HashMap<>();
}
@Override
public boolean putTask(Task task) {
synchronized (LOCK) {
if (task == null) {
Log.e(TAG, "下载任务不能为空!!");
return false;
}
String url = task.getDownloadEntity().getDownloadUrl();
if (mExecuteQueue.contains(task)) {
Log.e(TAG, "队列中已经包含了该任务,任务下载链接【" + url + "】");
return false;
} else {
if (mExecuteQueue.size() >= SIZE) {
if (pollFirstTask()) {
return putNewTask(task);
}
} else {
return putNewTask(task);
}
}
}
@Override public boolean putTask(Task task) {
synchronized (LOCK) {
if (task == null) {
Log.e(TAG, "下载任务不能为空!!");
return false;
}
/**
* 添加新任务
*
* @param newTask 新下载任务
*/
private boolean putNewTask(Task newTask) {
String url = newTask.getDownloadEntity().getDownloadUrl();
boolean s = mExecuteQueue.offer(newTask);
Log.w(TAG, "任务添加" + (s ? "成功" : "失败,【" + url + "】"));
if (s) {
newTask.start();
mExecuteArray.put(Util.keyToHashKey(url), newTask);
}
String url = task.getDownloadEntity().getDownloadUrl();
if (mExecuteQueue.contains(task)) {
Log.e(TAG, "队列中已经包含了该任务,任务下载链接【" + url + "】");
return false;
} else {
if (mExecuteQueue.size() >= SIZE) {
if (pollFirstTask()) {
return putNewTask(task);
}
} else {
return putNewTask(task);
}
return s;
}
}
return false;
}
/**
* 队列满时将移除下载队列中的第一个任务
*/
private boolean pollFirstTask() {
try {
Task oldTask = mExecuteQueue.poll(TIME_OUT, TimeUnit.MICROSECONDS);
if (oldTask == null) {
Log.e(TAG, "移除任务失败");
return false;
}
oldTask.stop();
wait(200);
String key = Util.keyToHashKey(oldTask.getDownloadEntity().getDownloadUrl());
mExecuteArray.remove(key);
} catch (InterruptedException e) {
e.printStackTrace();
return false;
}
return true;
/**
* 添加新任务
*
* @param newTask 新下载任务
*/
private boolean putNewTask(Task newTask) {
String url = newTask.getDownloadEntity().getDownloadUrl();
boolean s = mExecuteQueue.offer(newTask);
Log.w(TAG, "任务添加" + (s ? "成功" : "失败,【" + url + "】"));
if (s) {
newTask.start();
mExecuteArray.put(Util.keyToHashKey(url), newTask);
}
return s;
}
@Override
public Task pollTask() {
synchronized (LOCK) {
Task task = mExecuteQueue.poll();
if (task != null) {
String url = task.getDownloadEntity().getDownloadUrl();
mExecuteArray.remove(Util.keyToHashKey(url));
}
return task;
}
/**
* 队列满时将移除下载队列中的第一个任务
*/
private boolean pollFirstTask() {
try {
Task oldTask = mExecuteQueue.poll(TIME_OUT, TimeUnit.MICROSECONDS);
if (oldTask == null) {
Log.e(TAG, "移除任务失败");
return false;
}
oldTask.stop();
wait(200);
String key = Util.keyToHashKey(oldTask.getDownloadEntity().getDownloadUrl());
mExecuteArray.remove(key);
} catch (InterruptedException e) {
e.printStackTrace();
return false;
}
return true;
}
@Override
public Task getTask(String downloadUrl) {
synchronized (LOCK) {
if (TextUtils.isEmpty(downloadUrl)) {
Log.e(TAG, "请传入有效的下载链接");
return null;
}
String key = Util.keyToHashKey(downloadUrl);
return mExecuteArray.get(key);
}
@Override public Task pollTask() {
synchronized (LOCK) {
Task task = mExecuteQueue.poll();
if (task != null) {
String url = task.getDownloadEntity().getDownloadUrl();
mExecuteArray.remove(Util.keyToHashKey(url));
}
return task;
}
}
@Override
public boolean removeTask(Task task) {
synchronized (LOCK) {
if (task == null) {
Log.e(TAG, "任务不能为空");
return false;
} else {
String key = Util.keyToHashKey(task.getDownloadEntity().getDownloadUrl());
mExecuteArray.remove(key);
return mExecuteQueue.remove(task);
}
}
@Override public Task getTask(String downloadUrl) {
synchronized (LOCK) {
if (TextUtils.isEmpty(downloadUrl)) {
Log.e(TAG, "请传入有效的下载链接");
return null;
}
String key = Util.keyToHashKey(downloadUrl);
return mExecuteArray.get(key);
}
}
@Override
public boolean removeTask(String downloadUrl) {
synchronized (LOCK) {
if (TextUtils.isEmpty(downloadUrl)) {
Log.e(TAG, "请传入有效的下载链接");
return false;
}
String key = Util.keyToHashKey(downloadUrl);
Task task = mExecuteArray.get(key);
mExecuteArray.remove(key);
return mExecuteQueue.remove(task);
}
@Override public boolean removeTask(Task task) {
synchronized (LOCK) {
if (task == null) {
Log.e(TAG, "任务不能为空");
return false;
} else {
String key = Util.keyToHashKey(task.getDownloadEntity().getDownloadUrl());
mExecuteArray.remove(key);
return mExecuteQueue.remove(task);
}
}
}
@Override
public int size() {
return mExecuteQueue.size();
@Override public boolean removeTask(String downloadUrl) {
synchronized (LOCK) {
if (TextUtils.isEmpty(downloadUrl)) {
Log.e(TAG, "请传入有效的下载链接");
return false;
}
String key = Util.keyToHashKey(downloadUrl);
Task task = mExecuteArray.get(key);
mExecuteArray.remove(key);
return mExecuteQueue.remove(task);
}
}
@Override public int size() {
return mExecuteQueue.size();
}
}

@ -2,7 +2,6 @@ package com.arialyy.downloadutil.entity;
import android.os.Parcel;
import android.os.Parcelable;
import com.arialyy.downloadutil.orm.DbEntity;
/**
@ -10,186 +9,179 @@ import com.arialyy.downloadutil.orm.DbEntity;
* 下载实体
*/
public class DownloadEntity extends DbEntity implements Parcelable, Cloneable {
/**
* 其它状态
*/
public static final int STATE_OTHER = -1;
/**
* 失败状态
*/
public static final int STATE_FAIL = 0;
/**
* 完成状态
*/
public static final int STATE_COMPLETE = 1;
/**
* 停止状态
*/
public static final int STATE_STOP = 2;
/**
* 未开始状态
*/
public static final int STATE_WAIT = 3;
/**
* 下载中
*/
public static final int STATE_DOWNLOAD_ING = 4;
/**
* 取消下载
*/
public static final int STATE_CANCEL = 5;
private String downloadUrl; //下载路径
private String downloadPath; //保存路径
private String fileName; //文件名
private String str; //其它字段
private long completeTime; //完成时间
private long fileSize = 1;
private int state = STATE_WAIT;
private boolean isDownloadComplete = false; //是否下载完成
private long currentProgress = 0; //当前下载进度
private int failNum = 0;
public String getStr() {
return str;
}
public void setStr(String str) {
this.str = str;
}
public String getFileName() {
return fileName;
}
public void setFileName(String fileName) {
this.fileName = fileName;
}
public int getFailNum() {
return failNum;
}
public void setFailNum(int failNum) {
this.failNum = failNum;
}
public String getDownloadUrl() {
return downloadUrl;
}
public long getCompleteTime() {
return completeTime;
}
public void setCompleteTime(long completeTime) {
this.completeTime = completeTime;
}
public void setDownloadUrl(String downloadUrl) {
this.downloadUrl = downloadUrl;
}
public String getDownloadPath() {
return downloadPath;
}
public void setDownloadPath(String downloadPath) {
this.downloadPath = downloadPath;
}
public long getFileSize() {
return fileSize;
}
public void setFileSize(long fileSize) {
this.fileSize = fileSize;
}
public int getState() {
return state;
}
public void setState(int state) {
this.state = state;
}
public boolean isDownloadComplete() {
return isDownloadComplete;
}
public void setDownloadComplete(boolean downloadComplete) {
isDownloadComplete = downloadComplete;
}
public long getCurrentProgress() {
return currentProgress;
}
public void setCurrentProgress(long currentProgress) {
this.currentProgress = currentProgress;
}
@Override
public DownloadEntity clone() throws CloneNotSupportedException {
return (DownloadEntity) super.clone();
}
public DownloadEntity() {
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeString(this.downloadUrl);
dest.writeString(this.downloadPath);
dest.writeLong(this.completeTime);
dest.writeLong(this.fileSize);
dest.writeInt(this.state);
dest.writeByte(this.isDownloadComplete ? (byte) 1 : (byte) 0);
dest.writeLong(this.currentProgress);
dest.writeInt(this.failNum);
}
protected DownloadEntity(Parcel in) {
this.downloadUrl = in.readString();
this.downloadPath = in.readString();
this.completeTime = in.readLong();
this.fileSize = in.readLong();
this.state = in.readInt();
this.isDownloadComplete = in.readByte() != 0;
this.currentProgress = in.readLong();
this.failNum = in.readInt();
}
public static final Creator<DownloadEntity> CREATOR = new Creator<DownloadEntity>() {
@Override
public DownloadEntity createFromParcel(Parcel source) {
return new DownloadEntity(source);
}
@Override
public DownloadEntity[] newArray(int size) {
return new DownloadEntity[size];
}
};
@Override
public String toString() {
return "DownloadEntity{" +
"downloadUrl='" + downloadUrl + '\'' +
", downloadPath='" + downloadPath + '\'' +
", completeTime=" + completeTime +
", fileSize=" + fileSize +
", state=" + state +
", isDownloadComplete=" + isDownloadComplete +
", currentProgress=" + currentProgress +
", failNum=" + failNum +
'}';
}
/**
* 其它状态
*/
public static final int STATE_OTHER = -1;
/**
* 失败状态
*/
public static final int STATE_FAIL = 0;
/**
* 完成状态
*/
public static final int STATE_COMPLETE = 1;
/**
* 停止状态
*/
public static final int STATE_STOP = 2;
/**
* 未开始状态
*/
public static final int STATE_WAIT = 3;
/**
* 下载中
*/
public static final int STATE_DOWNLOAD_ING = 4;
/**
* 取消下载
*/
public static final int STATE_CANCEL = 5;
private String downloadUrl; //下载路径
private String downloadPath; //保存路径
private String fileName; //文件名
private String str; //其它字段
private long completeTime; //完成时间
private long fileSize = 1;
private int state = STATE_WAIT;
private boolean isDownloadComplete = false; //是否下载完成
private long currentProgress = 0; //当前下载进度
private int failNum = 0;
public String getStr() {
return str;
}
public void setStr(String str) {
this.str = str;
}
public String getFileName() {
return fileName;
}
public void setFileName(String fileName) {
this.fileName = fileName;
}
public int getFailNum() {
return failNum;
}
public void setFailNum(int failNum) {
this.failNum = failNum;
}
public String getDownloadUrl() {
return downloadUrl;
}
public long getCompleteTime() {
return completeTime;
}
public void setCompleteTime(long completeTime) {
this.completeTime = completeTime;
}
public void setDownloadUrl(String downloadUrl) {
this.downloadUrl = downloadUrl;
}
public String getDownloadPath() {
return downloadPath;
}
public void setDownloadPath(String downloadPath) {
this.downloadPath = downloadPath;
}
public long getFileSize() {
return fileSize;
}
public void setFileSize(long fileSize) {
this.fileSize = fileSize;
}
public int getState() {
return state;
}
public void setState(int state) {
this.state = state;
}
public boolean isDownloadComplete() {
return isDownloadComplete;
}
public void setDownloadComplete(boolean downloadComplete) {
isDownloadComplete = downloadComplete;
}
public long getCurrentProgress() {
return currentProgress;
}
public void setCurrentProgress(long currentProgress) {
this.currentProgress = currentProgress;
}
@Override public DownloadEntity clone() throws CloneNotSupportedException {
return (DownloadEntity) super.clone();
}
public DownloadEntity() {
}
@Override public int describeContents() {
return 0;
}
@Override public void writeToParcel(Parcel dest, int flags) {
dest.writeString(this.downloadUrl);
dest.writeString(this.downloadPath);
dest.writeLong(this.completeTime);
dest.writeLong(this.fileSize);
dest.writeInt(this.state);
dest.writeByte(this.isDownloadComplete ? (byte) 1 : (byte) 0);
dest.writeLong(this.currentProgress);
dest.writeInt(this.failNum);
}
protected DownloadEntity(Parcel in) {
this.downloadUrl = in.readString();
this.downloadPath = in.readString();
this.completeTime = in.readLong();
this.fileSize = in.readLong();
this.state = in.readInt();
this.isDownloadComplete = in.readByte() != 0;
this.currentProgress = in.readLong();
this.failNum = in.readInt();
}
public static final Creator<DownloadEntity> CREATOR = new Creator<DownloadEntity>() {
@Override public DownloadEntity createFromParcel(Parcel source) {
return new DownloadEntity(source);
}
@Override public DownloadEntity[] newArray(int size) {
return new DownloadEntity[size];
}
};
@Override public String toString() {
return "DownloadEntity{" +
"downloadUrl='" + downloadUrl + '\'' +
", downloadPath='" + downloadPath + '\'' +
", completeTime=" + completeTime +
", fileSize=" + fileSize +
", state=" + state +
", isDownloadComplete=" + isDownloadComplete +
", currentProgress=" + currentProgress +
", failNum=" + failNum +
'}';
}
}

@ -1,6 +1,5 @@
package com.arialyy.downloadutil.help;
import android.app.Application;
import android.content.res.Resources;
import android.text.TextUtils;
import android.util.Log;
@ -28,20 +27,20 @@ public class CheckHelp {
} else if (TextUtils.isEmpty(entity.getDownloadUrl())) {
Log.w(TAG, Resources.getSystem().getString(R.string.error_download_url_null));
return false;
} else if (TextUtils.isEmpty(entity.getFileName())){
} else if (TextUtils.isEmpty(entity.getFileName())) {
Log.w(TAG, Resources.getSystem().getString(R.string.error_file_name_null));
return false;
} else if (TextUtils.isEmpty(entity.getDownloadPath())){
} else if (TextUtils.isEmpty(entity.getDownloadPath())) {
Log.w(TAG, Resources.getSystem().getString(R.string.error_file_name_null));
return false;
}
String fileName = entity.getFileName();
if (fileName.contains(" ")){
if (fileName.contains(" ")) {
fileName = fileName.replace(" ", "_");
}
String dPath = entity.getDownloadPath();
File file = new File(dPath);
if (file.isDirectory()){
if (file.isDirectory()) {
dPath += fileName;
entity.setDownloadPath(dPath);
}

@ -4,10 +4,7 @@ import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.support.annotation.NonNull;
import com.arialyy.downloadutil.util.Util;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
@ -20,176 +17,176 @@ import java.util.List;
* 所有数据库实体父类
*/
public class DbEntity {
private static final String TAG = "DbEntity";
private volatile static SQLiteDatabase mDb = null;
private volatile static DbUtil mUtil;
private Context mContext;
private static final Object LOCK = new Object();
protected int rowID = -1;
private static final String TAG = "DbEntity";
private volatile static SQLiteDatabase mDb = null;
private volatile static DbUtil mUtil;
private Context mContext;
private static final Object LOCK = new Object();
protected int rowID = -1;
protected DbEntity() {
protected DbEntity() {
}
}
public DbEntity(Context context) {
this(context, true);
}
public DbEntity(Context context) {
this(context, true);
}
public DbEntity(Context context, boolean newTable) {
mContext = context;
init(newTable);
}
public DbEntity(Context context, boolean newTable) {
mContext = context;
init(newTable);
}
private void init(boolean newTable) {
private void init(boolean newTable) {
if (mDb == null) {
synchronized (LOCK) {
if (mDb == null) {
synchronized (LOCK) {
if (mDb == null) {
SqlHelper mHelper = new SqlHelper(mContext);
mDb = mHelper.getWritableDatabase();
mUtil = DbUtil.getInstance(mDb);
}
}
}
if (newTable && !mUtil.tableExists(this)) {
mUtil.createTable(this);
SqlHelper mHelper = new SqlHelper(mContext);
mDb = mHelper.getWritableDatabase();
mUtil = DbUtil.getInstance(mDb);
}
}
}
/**
* 获取所有行的rowid
*/
public int[] getRowId() {
Cursor cursor = mUtil.getRowId(this);
int[] ids = new int[cursor.getCount()];
int i = 0;
while (cursor.moveToNext()) {
ids[i] = cursor.getInt(cursor.getColumnIndex("rowid"));
i++;
}
return ids;
}
/**
* 获取rowid
*/
public int getRowId(@NonNull Object[] wheres, @NonNull Object[] values) {
return mUtil.getRowId(this, wheres, values);
}
/**
* 删除当前数据
*/
public void deleteData() {
mUtil.delData(this, new Object[]{"rowid"}, new Object[]{rowID});
if (newTable && !mUtil.tableExists(this)) {
mUtil.createTable(this);
}
/**
* 根据条件删除数据
*/
public void deleteData(@NonNull Object[] wheres, @NonNull Object[] values) {
mUtil.delData(this, wheres, values);
}
/**
* 获取所有行的rowid
*/
public int[] getRowId() {
Cursor cursor = mUtil.getRowId(this);
int[] ids = new int[cursor.getCount()];
int i = 0;
while (cursor.moveToNext()) {
ids[i] = cursor.getInt(cursor.getColumnIndex("rowid"));
i++;
}
/**
* 修改数据
*/
public void update() {
mUtil.modifyData(this);
}
/**
* 插入数据
*/
public void save() {
mUtil.insertData(this);
}
/**
* 查询所有数据
*
* @return 没有数据返回null
*/
public <T extends DbEntity> List<T> findAllData(Class<T> clazz) {
Cursor cursor = mUtil.findAllData(this);
return cursor.getCount() > 0 ? newInstanceEntity(clazz, cursor) : null;
}
/**
* 查询一组数据
*
* @return 没有数据返回null
*/
public <T extends DbEntity> List<T> findDatas(Class<T> clazz, @NonNull Object[] wheres, @NonNull Object[] values) {
Cursor cursor = mUtil.findData(this, wheres, values);
return cursor.getCount() > 0 ? newInstanceEntity(clazz, cursor) : null;
}
/**
* 查询一行数据
*
* @return 没有数据返回null
*/
public <T extends DbEntity> T findData(Class<T> clazz, @NonNull Object[] wheres, @NonNull Object[] values) {
Cursor cursor = mUtil.findData(this, wheres, values);
return cursor.getCount() > 0 ? newInstanceEntity(clazz, cursor).get(0) : null;
}
/**
* 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) {
Field[] fields = Util.getFields(clazz);
List<T> entitys = new ArrayList<>();
if (fields != null && fields.length > 0) {
try {
while (cursor.moveToNext()) {
Class[] paramTypes = {Context.class, boolean.class};
Object[] params = {mContext, false};
Constructor<T> con = clazz.getConstructor(paramTypes);
T entity = con.newInstance(params);
for (Field field : fields) {
field.setAccessible(true);
Ignore ignore = field.getAnnotation(Ignore.class);
if (ignore != null && ignore.value()) {
continue;
}
Class<?> type = field.getType();
int column = cursor.getColumnIndex(field.getName());
if (type == String.class) {
field.set(entity, cursor.getString(column));
} 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) {
field.setBoolean(entity, !cursor.getString(column).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));
}
// field.set(entity, cursor.getColumnIndex("entity_id"));
}
entity.rowID = cursor.getInt(cursor.getColumnIndex("rowid"));
entitys.add(entity);
}
} catch (InstantiationException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
return ids;
}
/**
* 获取rowid
*/
public int getRowId(@NonNull Object[] wheres, @NonNull Object[] values) {
return mUtil.getRowId(this, wheres, values);
}
/**
* 删除当前数据
*/
public void deleteData() {
mUtil.delData(this, new Object[] { "rowid" }, new Object[] { rowID });
}
/**
* 根据条件删除数据
*/
public void deleteData(@NonNull Object[] wheres, @NonNull Object[] values) {
mUtil.delData(this, wheres, values);
}
/**
* 修改数据
*/
public void update() {
mUtil.modifyData(this);
}
/**
* 插入数据
*/
public void save() {
mUtil.insertData(this);
}
/**
* 查询所有数据
*
* @return 没有数据返回null
*/
public <T extends DbEntity> List<T> findAllData(Class<T> clazz) {
Cursor cursor = mUtil.findAllData(this);
return cursor.getCount() > 0 ? newInstanceEntity(clazz, cursor) : null;
}
/**
* 查询一组数据
*
* @return 没有数据返回null
*/
public <T extends DbEntity> List<T> findDatas(Class<T> clazz, @NonNull Object[] wheres,
@NonNull Object[] values) {
Cursor cursor = mUtil.findData(this, wheres, values);
return cursor.getCount() > 0 ? newInstanceEntity(clazz, cursor) : null;
}
/**
* 查询一行数据
*
* @return 没有数据返回null
*/
public <T extends DbEntity> T findData(Class<T> clazz, @NonNull Object[] wheres,
@NonNull Object[] values) {
Cursor cursor = mUtil.findData(this, wheres, values);
return cursor.getCount() > 0 ? newInstanceEntity(clazz, cursor).get(0) : null;
}
/**
* 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) {
Field[] fields = Util.getFields(clazz);
List<T> entitys = new ArrayList<>();
if (fields != null && fields.length > 0) {
try {
while (cursor.moveToNext()) {
Class[] paramTypes = { Context.class, boolean.class };
Object[] params = { mContext, false };
Constructor<T> con = clazz.getConstructor(paramTypes);
T entity = con.newInstance(params);
for (Field field : fields) {
field.setAccessible(true);
Ignore ignore = field.getAnnotation(Ignore.class);
if (ignore != null && ignore.value()) {
continue;
}
Class<?> type = field.getType();
int column = cursor.getColumnIndex(field.getName());
if (type == String.class) {
field.set(entity, cursor.getString(column));
} 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) {
field.setBoolean(entity, !cursor.getString(column).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));
}
// field.set(entity, cursor.getColumnIndex("entity_id"));
}
entity.rowID = cursor.getInt(cursor.getColumnIndex("rowid"));
entitys.add(entity);
}
cursor.close();
return entitys;
} catch (InstantiationException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
}
}
cursor.close();
return entitys;
}
}

@ -1,11 +1,10 @@
package com.arialyy.downloadutil.orm;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.support.annotation.NonNull;
import android.util.Log;
import com.arialyy.downloadutil.util.Util;
import java.lang.reflect.Field;
/**
@ -13,318 +12,311 @@ import java.lang.reflect.Field;
* 数据库操作工具
*/
public class DbUtil {
private static final String TAG = "DbUtil";
private volatile static DbUtil mDbUtil = null;
private int CREATE_TABLE = 0;
private int TABLE_EXISTS = 1;
private int INSERT_DATA = 2;
private int MODIFY_DATA = 3;
private int FIND_DATA = 4;
private int FIND_ALL_DATA = 5;
private int DEL_DATA = 6;
private int ROW_ID = 7;
private static final Object LOCK = new Object();
private SQLiteDatabase mDb;
private static final String TAG = "DbUtil";
private volatile static DbUtil mDbUtil = null;
private int CREATE_TABLE = 0;
private int TABLE_EXISTS = 1;
private int INSERT_DATA = 2;
private int MODIFY_DATA = 3;
private int FIND_DATA = 4;
private int FIND_ALL_DATA = 5;
private int DEL_DATA = 6;
private int ROW_ID = 7;
private static final Object LOCK = new Object();
private SQLiteDatabase mDb;
private DbUtil() {
private DbUtil() {
}
}
private DbUtil(SQLiteDatabase db) {
mDb = db;
}
private DbUtil(SQLiteDatabase db) {
mDb = db;
}
protected static DbUtil getInstance(SQLiteDatabase db) {
protected static DbUtil getInstance(SQLiteDatabase db) {
if (mDbUtil == null) {
synchronized (LOCK) {
if (mDbUtil == null) {
synchronized (LOCK) {
if (mDbUtil == null) {
mDbUtil = new DbUtil(db);
}
}
mDbUtil = new DbUtil(db);
}
return mDbUtil;
}
}
return mDbUtil;
}
/**
* 删除某条数据
*/
protected void delData(DbEntity dbEntity, @NonNull Object[] wheres, @NonNull Object[] values) {
if (wheres.length <= 0 || values.length <= 0) {
Log.e(TAG, "输入删除条件");
return;
} else if (wheres.length != values.length) {
Log.e(TAG, "key 和 vaule 长度不相等");
return;
}
StringBuilder sb = new StringBuilder();
sb.append("DELETE FROM ").append(Util.getClassName(dbEntity)).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(DEL_DATA, sb.toString());
mDb.execSQL(sb.toString());
}
/**
* 修改某行数据
*/
protected void modifyData(DbEntity dbEntity) {
Class<?> clazz = dbEntity.getClass();
Field[] fields = Util.getFields(clazz);
if (fields != null && fields.length > 0) {
StringBuilder sb = new StringBuilder();
sb.append("UPDATE ").append(Util.getClassName(dbEntity)).append(" SET ");
int i = 0;
for (Field field : fields) {
field.setAccessible(true);
Ignore ignore = field.getAnnotation(Ignore.class);
if (ignore != null && ignore.value()) {
continue;
}
sb.append(i > 0 ? ", " : "");
try {
sb.append(field.getName()).append(" = '").append(field.get(dbEntity).toString()).append("'");
} catch (IllegalAccessException e) {
e.printStackTrace();
}
i++;
}
print(MODIFY_DATA, sb.toString());
mDb.execSQL(sb.toString());
}
/**
* 删除某条数据
*/
protected void delData(DbEntity dbEntity, @NonNull Object[] wheres, @NonNull Object[] values) {
if (wheres.length <= 0 || values.length <= 0) {
Log.e(TAG, "输入删除条件");
return;
} else if (wheres.length != values.length) {
Log.e(TAG, "key 和 vaule 长度不相等");
return;
}
/**
* 遍历所有数据
*/
protected Cursor findAllData(DbEntity dbEntity) {
StringBuilder sb = new StringBuilder();
sb.append("SELECT rowid, * FROM ").append(Util.getClassName(dbEntity));
print(FIND_ALL_DATA, sb.toString());
return mDb.rawQuery(sb.toString(), null);
StringBuilder sb = new StringBuilder();
sb.append("DELETE FROM ").append(Util.getClassName(dbEntity)).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(DEL_DATA, sb.toString());
mDb.execSQL(sb.toString());
}
/**
* 条件查寻数据
*/
protected Cursor findData(DbEntity dbEntity, @NonNull Object[] wheres, @NonNull Object[] values) {
if (wheres.length <= 0 || values.length <= 0) {
Log.e(TAG, "请输入查询条件");
return null;
} else if (wheres.length != values.length) {
Log.e(TAG, "key 和 vaule 长度不相等");
return null;
/**
* 修改某行数据
*/
protected void modifyData(DbEntity dbEntity) {
Class<?> clazz = dbEntity.getClass();
Field[] fields = Util.getFields(clazz);
if (fields != null && fields.length > 0) {
StringBuilder sb = new StringBuilder();
sb.append("UPDATE ").append(Util.getClassName(dbEntity)).append(" SET ");
int i = 0;
for (Field field : fields) {
field.setAccessible(true);
Ignore ignore = field.getAnnotation(Ignore.class);
if (ignore != null && ignore.value()) {
continue;
}
StringBuilder sb = new StringBuilder();
sb.append("SELECT rowid, * FROM ").append(Util.getClassName(dbEntity)).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++;
sb.append(i > 0 ? ", " : "");
try {
sb.append(field.getName())
.append(" = '")
.append(field.get(dbEntity).toString())
.append("'");
} catch (IllegalAccessException e) {
e.printStackTrace();
}
print(FIND_DATA, sb.toString());
return mDb.rawQuery(sb.toString(), null);
i++;
}
print(MODIFY_DATA, sb.toString());
mDb.execSQL(sb.toString());
}
}
/**
* 插入数据
*/
protected void insertData(DbEntity dbEntity) {
Class<?> clazz = dbEntity.getClass();
Field[] fields = Util.getFields(clazz);
if (fields != null && fields.length > 0) {
StringBuilder sb = new StringBuilder();
sb.append("INSERT INTO ").append(Util.getClassName(dbEntity)).append("(");
int i = 0;
for (Field field : fields) {
field.setAccessible(true);
Ignore ignore = field.getAnnotation(Ignore.class);
if (ignore != null && ignore.value()) {
continue;
}
sb.append(i > 0 ? ", " : "");
sb.append(field.getName());
i++;
}
sb.append(") VALUES (");
i = 0;
for (Field field : fields) {
field.setAccessible(true);
Ignore ignore = field.getAnnotation(Ignore.class);
if (ignore != null && ignore.value()) {
continue;
}
sb.append(i > 0 ? ", " : "");
sb.append("'");
try {
sb.append(field.get(dbEntity)).append("'");
} catch (IllegalAccessException e) {
e.printStackTrace();
}
i++;
}
sb.append(")");
print(INSERT_DATA, sb.toString());
mDb.execSQL(sb.toString());
}
/**
* 遍历所有数据
*/
protected Cursor findAllData(DbEntity dbEntity) {
StringBuilder sb = new StringBuilder();
sb.append("SELECT rowid, * FROM ").append(Util.getClassName(dbEntity));
print(FIND_ALL_DATA, sb.toString());
return mDb.rawQuery(sb.toString(), null);
}
/**
* 条件查寻数据
*/
protected Cursor findData(DbEntity dbEntity, @NonNull Object[] wheres, @NonNull Object[] values) {
if (wheres.length <= 0 || values.length <= 0) {
Log.e(TAG, "请输入查询条件");
return null;
} else if (wheres.length != values.length) {
Log.e(TAG, "key 和 vaule 长度不相等");
return null;
}
StringBuilder sb = new StringBuilder();
sb.append("SELECT rowid, * FROM ").append(Util.getClassName(dbEntity)).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(FIND_DATA, sb.toString());
return mDb.rawQuery(sb.toString(), null);
}
/**
* 查找某张表是否存在
*/
protected boolean tableExists(DbEntity dbEntity) {
Cursor cursor = null;
/**
* 插入数据
*/
protected void insertData(DbEntity dbEntity) {
Class<?> clazz = dbEntity.getClass();
Field[] fields = Util.getFields(clazz);
if (fields != null && fields.length > 0) {
StringBuilder sb = new StringBuilder();
sb.append("INSERT INTO ").append(Util.getClassName(dbEntity)).append("(");
int i = 0;
for (Field field : fields) {
field.setAccessible(true);
Ignore ignore = field.getAnnotation(Ignore.class);
if (ignore != null && ignore.value()) {
continue;
}
sb.append(i > 0 ? ", " : "");
sb.append(field.getName());
i++;
}
sb.append(") VALUES (");
i = 0;
for (Field field : fields) {
field.setAccessible(true);
Ignore ignore = field.getAnnotation(Ignore.class);
if (ignore != null && ignore.value()) {
continue;
}
sb.append(i > 0 ? ", " : "");
sb.append("'");
try {
StringBuilder sb = new StringBuilder();
sb.append("SELECT COUNT(*) AS c FROM sqlite_master WHERE type ='table' AND name ='");
sb.append(Util.getClassName(dbEntity));
sb.append("'");
print(TABLE_EXISTS, sb.toString());
cursor = mDb.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 {
if (cursor != null)
cursor.close();
sb.append(field.get(dbEntity)).append("'");
} catch (IllegalAccessException e) {
e.printStackTrace();
}
return false;
i++;
}
sb.append(")");
print(INSERT_DATA, sb.toString());
mDb.execSQL(sb.toString());
}
}
/**
* 创建表
*
* @param dbEntity
*/
protected void createTable(DbEntity dbEntity) {
Field[] fields = Util.getFields(dbEntity.getClass());
if (fields != null && fields.length > 0) {
StringBuilder sb = new StringBuilder();
sb.append("create table ")
.append(Util.getClassName(dbEntity))
.append("(");
int i = 0;
int ignoreNum = 0;
for (Field field : fields) {
i++;
field.setAccessible(true);
Ignore ignore = field.getAnnotation(Ignore.class);
if (ignore != null && ignore.value()) {
ignoreNum++;
continue;
}
sb.append(field.getName());
Class<?> type = field.getType();
if (type == String.class) {
sb.append(" varchar");
} else if (type == int.class || type == Integer.class) {
sb.append(" interger");
} 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 {
sb.append(" blob");
}
sb.append(i >= fields.length - ignoreNum - 1 ? "" : ", ");
}
sb.append(");");
print(CREATE_TABLE, sb.toString());
mDb.execSQL(sb.toString());
/**
* 查找某张表是否存在
*/
protected boolean tableExists(DbEntity dbEntity) {
Cursor cursor = null;
try {
StringBuilder sb = new StringBuilder();
sb.append("SELECT COUNT(*) AS c FROM sqlite_master WHERE type ='table' AND name ='");
sb.append(Util.getClassName(dbEntity));
sb.append("'");
print(TABLE_EXISTS, sb.toString());
cursor = mDb.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 {
if (cursor != null) cursor.close();
}
return false;
}
/**
* 打印数据库日志
*
* @param type {@link DbUtil}
* @param sql
*/
private void print(int type, String sql) {
String str = "";
switch (type) {
case 0:
str = "创建表 >>>> ";
break;
case 1:
str = "表是否存在 >>>> ";
break;
case 2:
str = "插入数据 >>>> ";
break;
case 3:
str = "修改数据 >>>> ";
break;
case 4:
str = "查询一行数据 >>>> ";
break;
case 5:
str = "遍历整个数据库 >>>> ";
break;
/**
* 创建表
*/
protected void createTable(DbEntity dbEntity) {
Field[] fields = Util.getFields(dbEntity.getClass());
if (fields != null && fields.length > 0) {
StringBuilder sb = new StringBuilder();
sb.append("create table ").append(Util.getClassName(dbEntity)).append("(");
int i = 0;
int ignoreNum = 0;
for (Field field : fields) {
i++;
field.setAccessible(true);
Ignore ignore = field.getAnnotation(Ignore.class);
if (ignore != null && ignore.value()) {
ignoreNum++;
continue;
}
Log.v(TAG, str + sql);
sb.append(field.getName());
Class<?> type = field.getType();
if (type == String.class) {
sb.append(" varchar");
} else if (type == int.class || type == Integer.class) {
sb.append(" interger");
} 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 {
sb.append(" blob");
}
sb.append(i >= fields.length - ignoreNum - 1 ? "" : ", ");
}
sb.append(");");
print(CREATE_TABLE, sb.toString());
mDb.execSQL(sb.toString());
}
}
/**
* 关闭数据库
*/
protected void close() {
if (mDb != null) {
mDb.close();
}
/**
* 打印数据库日志
*
* @param type {@link DbUtil}
*/
private void print(int type, String sql) {
String str = "";
switch (type) {
case 0:
str = "创建表 >>>> ";
break;
case 1:
str = "表是否存在 >>>> ";
break;
case 2:
str = "插入数据 >>>> ";
break;
case 3:
str = "修改数据 >>>> ";
break;
case 4:
str = "查询一行数据 >>>> ";
break;
case 5:
str = "遍历整个数据库 >>>> ";
break;
}
Log.v(TAG, str + sql);
}
/**
* 获取所有行Id
*/
protected Cursor getRowId(DbEntity dbEntity) {
StringBuilder sb = new StringBuilder();
sb.append("SELECT rowid, * FROM ").append(Util.getClassName(dbEntity));
return mDb.rawQuery(sb.toString(), null);
/**
* 关闭数据库
*/
protected void close() {
if (mDb != null) {
mDb.close();
}
}
/**
* 获取行Id
*
* @return
*/
protected int getRowId(DbEntity dbEntity, Object[] wheres, Object[] values) {
if (wheres.length <= 0 || values.length <= 0) {
Log.e(TAG, "请输入删除条件");
return -1;
} else if (wheres.length != values.length) {
Log.e(TAG, "key 和 vaule 长度不相等");
return -1;
}
StringBuilder sb = new StringBuilder();
sb.append("SELECT rowid FROM ").append(Util.getClassName(dbEntity)).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 = mDb.rawQuery(sb.toString(), null);
int id = c.getColumnIndex("rowid");
c.close();
return id;
/**
* 获取所有行Id
*/
protected Cursor getRowId(DbEntity dbEntity) {
StringBuilder sb = new StringBuilder();
sb.append("SELECT rowid, * FROM ").append(Util.getClassName(dbEntity));
return mDb.rawQuery(sb.toString(), null);
}
/**
* 获取行Id
*/
protected int getRowId(DbEntity dbEntity, Object[] wheres, Object[] values) {
if (wheres.length <= 0 || values.length <= 0) {
Log.e(TAG, "请输入删除条件");
return -1;
} else if (wheres.length != values.length) {
Log.e(TAG, "key 和 vaule 长度不相等");
return -1;
}
StringBuilder sb = new StringBuilder();
sb.append("SELECT rowid FROM ").append(Util.getClassName(dbEntity)).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 = mDb.rawQuery(sb.toString(), null);
int id = c.getColumnIndex("rowid");
c.close();
return id;
}
}

@ -9,8 +9,6 @@ import java.lang.annotation.Target;
* Created by lyy on 2015/11/2.
* 表ID字段指定
*/
@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
public @interface Id {
int value() default -1;
@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface Id {
int value() default -1;
}

@ -9,8 +9,6 @@ import java.lang.annotation.Target;
* Created by lyy on 2015/11/2.
* 忽略某个字段
*/
@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
public @interface Ignore {
boolean value() default false;
@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface Ignore {
boolean value() default false;
}

@ -10,29 +10,27 @@ import android.text.TextUtils;
* sql帮助类
*/
public class SqlHelper extends SQLiteOpenHelper {
protected static String DB_NAME;
protected static int VERSION = -1;
static {
if (TextUtils.isEmpty(DB_NAME)) {
DB_NAME = "AriaLyyDb";
}
if (VERSION == -1) {
VERSION = 1;
}
}
protected static String DB_NAME;
protected static int VERSION = -1;
public SqlHelper(Context context) {
super(context, DB_NAME, null, VERSION);
static {
if (TextUtils.isEmpty(DB_NAME)) {
DB_NAME = "AriaLyyDb";
}
if (VERSION == -1) {
VERSION = 1;
}
}
@Override
public void onCreate(SQLiteDatabase db) {
public SqlHelper(Context context) {
super(context, DB_NAME, null, VERSION);
}
}
@Override public void onCreate(SQLiteDatabase db) {
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
}
}
@Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
}
}

@ -4,7 +4,6 @@ import android.content.Context;
import android.support.annotation.NonNull;
import android.util.Log;
import android.util.SparseArray;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
@ -13,431 +12,456 @@ import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Properties;
/**
* Created by lyy on 2015/8/25.
* 下载工具类
*/
public class DownLoadUtil {
private static final String TAG = "DownLoadUtil";
//下载监听
private IDownloadListener mListener;
/**
* 线程数
*/
private static final int THREAD_NUM = 3;
/**
* 已经完成下载任务的线程数量
*/
private int mCompleteThreadNum = 0;
private long mCurrentLocation;
private boolean isDownloading = false;
private boolean isStop = false;
private boolean isCancel = false;
private static final int TIME_OUT = 5000; //超时时间
boolean isNewTask = true;
private int mCancelNum = 0;
private int mStopNum = 0;
public DownLoadUtil() {
}
public IDownloadListener getListener(){
return mListener;
}
/**
* 获取当前下载位置
*
* @return
*/
public long getCurrentLocation() {
return mCurrentLocation;
}
public boolean isDownloading() {
return isDownloading;
}
/**
* 取消下载
*/
public void cancelDownload() {
isCancel = true;
}
/**
* 停止下载
*/
public void stopDownload() {
isStop = true;
private static final String TAG = "DownLoadUtil";
//下载监听
private IDownloadListener mListener;
/**
* 线程数
*/
private static final int THREAD_NUM = 3;
/**
* 已经完成下载任务的线程数量
*/
private int mCompleteThreadNum = 0;
private long mCurrentLocation;
private boolean isDownloading = false;
private boolean isStop = false;
private boolean isCancel = false;
private static final int TIME_OUT = 5000; //超时时间
boolean isNewTask = true;
private int mCancelNum = 0;
private int mStopNum = 0;
public DownLoadUtil() {
}
public IDownloadListener getListener() {
return mListener;
}
/**
* 获取当前下载位置
*/
public long getCurrentLocation() {
return mCurrentLocation;
}
public boolean isDownloading() {
return isDownloading;
}
/**
* 取消下载
*/
public void cancelDownload() {
isCancel = true;
}
/**
* 停止下载
*/
public void stopDownload() {
isStop = true;
}
/**
* 多线程断点续传下载文件暂停和继续
*
* @param context 必须添加该参数不能使用全局变量的context
* @param downloadUrl 下载路径
* @param filePath 保存路径
* @param downloadListener 下载进度监听 {@link DownloadListener}
*/
public void download(final Context context, @NonNull final String downloadUrl,
@NonNull final String filePath, @NonNull final IDownloadListener downloadListener) {
isDownloading = true;
mCurrentLocation = 0;
isStop = false;
isCancel = false;
mCancelNum = 0;
mStopNum = 0;
final File dFile = new File(filePath);
//读取已完成的线程数
final File configFile =
new File(context.getFilesDir().getPath() + "/temp/" + dFile.getName() + ".properties");
try {
if (!configFile.exists()) { //记录文件被删除,则重新下载
isNewTask = true;
Util.createFile(configFile.getPath());
} else {
isNewTask = !dFile.exists();
}
} catch (Exception e) {
e.printStackTrace();
failDownload("下载失败,记录文件被删除");
return;
}
/**
* 多线程断点续传下载文件暂停和继续
*
* @param context 必须添加该参数不能使用全局变量的context
* @param downloadUrl 下载路径
* @param filePath 保存路径
* @param downloadListener 下载进度监听 {@link DownloadListener}
*/
public void download(final Context context, @NonNull final String downloadUrl, @NonNull final String filePath,
@NonNull final IDownloadListener downloadListener) {
isDownloading = true;
mCurrentLocation = 0;
isStop = false;
isCancel = false;
mCancelNum = 0;
mStopNum = 0;
final File dFile = new File(filePath);
//读取已完成的线程数
final File configFile = new File(context.getFilesDir().getPath() + "/temp/" + dFile.getName() + ".properties");
new Thread(new Runnable() {
@Override public void run() {
try {
if (!configFile.exists()) { //记录文件被删除,则重新下载
isNewTask = true;
Util.createFile(configFile.getPath());
} else {
isNewTask = !dFile.exists();
}
} catch (Exception e) {
e.printStackTrace();
failDownload("下载失败,记录文件被删除");
mListener = downloadListener;
URL url = new URL(downloadUrl);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("GET");
conn.setRequestProperty("Charset", "UTF-8");
conn.setConnectTimeout(TIME_OUT * 4);
conn.setRequestProperty("User-Agent",
"Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)");
conn.setRequestProperty("Accept",
"image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-application, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*");
conn.connect();
int len = conn.getContentLength();
if (len < 0) { //网络被劫持时会出现这个问题
failDownload("下载失败,网络被劫持");
return;
}
new Thread(new Runnable() {
@Override
public void run() {
try {
mListener = downloadListener;
URL url = new URL(downloadUrl);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("GET");
conn.setRequestProperty("Charset", "UTF-8");
conn.setConnectTimeout(TIME_OUT * 4);
conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)");
conn.setRequestProperty("Accept", "image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-application, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*");
conn.connect();
int len = conn.getContentLength();
if (len < 0) { //网络被劫持时会出现这个问题
failDownload("下载失败,网络被劫持");
return;
}
int code = conn.getResponseCode();
if (code == 200) {
int fileLength = conn.getContentLength();
//必须建一个文件
Util.createFile(filePath);
RandomAccessFile file = new RandomAccessFile(filePath, "rwd");
//设置文件长度
file.setLength(fileLength);
mListener.onPreDownload(conn);
//分配每条线程的下载区间
Properties pro = null;
pro = Util.loadConfig(configFile);
if (pro.isEmpty()) {
isNewTask = true;
} else {
for (int i = 0; i < THREAD_NUM; i++) {
if (pro.getProperty(dFile.getName() + "_record_" + i) == null) {
Object state = pro.getProperty(dFile.getName() + "_state_" + i);
if (state != null && Integer.parseInt(state + "") == 1) {
continue;
}
isNewTask = true;
break;
}
}
}
int blockSize = fileLength / THREAD_NUM;
SparseArray<Thread> tasks = new SparseArray<>();
int[] recordL = new int[THREAD_NUM];
int rl = 0;
for (int i = 0; i < THREAD_NUM; i++) {
recordL[i] = -1;
}
for (int i = 0; i < THREAD_NUM; i++) {
long startL = i * blockSize, endL = (i + 1) * blockSize;
Object state = pro.getProperty(dFile.getName() + "_state_" + i);
if (state != null && Integer.parseInt(state + "") == 1) { //该线程已经完成
mCurrentLocation += endL - startL;
Log.d(TAG, "++++++++++ 线程_" + i + "_已经下载完成 ++++++++++");
mCompleteThreadNum++;
mStopNum++;
mCancelNum++;
if (mCompleteThreadNum == THREAD_NUM) {
if (configFile.exists()) {
configFile.delete();
}
mListener.onComplete();
isDownloading = false;
return;
}
continue;
}
//分配下载位置
Object record = pro.getProperty(dFile.getName() + "_record_" + i);
if (!isNewTask && record != null && Long.parseLong(record + "") > 0) { //如果有记录,则恢复下载
Long r = Long.parseLong(record + "");
mCurrentLocation += r - startL;
Log.d(TAG, "++++++++++ 线程_" + i + "_恢复下载 ++++++++++");
mListener.onChildResume(r);
startL = r;
recordL[rl] = i;
rl++;
}else {
isNewTask = true;
}
if (isNewTask) {
recordL[rl] = i;
rl++;
}
if (i == (THREAD_NUM - 1)) {
endL = fileLength;//如果整个文件的大小不为线程个数的整数倍,则最后一个线程的结束位置即为文件的总长度
}
DownloadEntity entity = new DownloadEntity(context, fileLength, downloadUrl, dFile, i, startL, endL);
DownLoadTask task = new DownLoadTask(entity);
tasks.put(i, new Thread(task));
}
if (mCurrentLocation > 0) {
mListener.onResume(mCurrentLocation);
} else {
mListener.onStart(mCurrentLocation);
}
for (int l : recordL) {
if (l == -1) continue;
Thread task = tasks.get(l);
if (task != null) {
task.start();
}
}
} else {
failDownload("下载失败,返回码:" + code);
}
} catch (IOException e) {
failDownload("下载失败【downloadUrl:" + downloadUrl + "】\n【filePath:" + filePath + "】" + Util.getPrintException(e));
}
int code = conn.getResponseCode();
if (code == 200) {
int fileLength = conn.getContentLength();
//必须建一个文件
Util.createFile(filePath);
RandomAccessFile file = new RandomAccessFile(filePath, "rwd");
//设置文件长度
file.setLength(fileLength);
mListener.onPreDownload(conn);
//分配每条线程的下载区间
Properties pro = null;
pro = Util.loadConfig(configFile);
if (pro.isEmpty()) {
isNewTask = true;
} else {
for (int i = 0; i < THREAD_NUM; i++) {
if (pro.getProperty(dFile.getName() + "_record_" + i) == null) {
Object state = pro.getProperty(dFile.getName() + "_state_" + i);
if (state != null && Integer.parseInt(state + "") == 1) {
continue;
}
isNewTask = true;
break;
}
}
}
}).start();
}
private void failDownload(String msg){
Log.e(TAG, msg);
isDownloading = false;
stopDownload();
mListener.onFail();
System.gc();
}
/**
* 多线程下载任务类,不能使用AsyncTask来进行多线程下载因为AsyncTask是串行执行的这种方式下载速度太慢了
*/
private class DownLoadTask implements Runnable {
private static final String TAG = "DownLoadTask";
private DownloadEntity dEntity;
private String configFPath;
public DownLoadTask(DownloadEntity downloadInfo) {
this.dEntity = downloadInfo;
configFPath = dEntity.context.getFilesDir().getPath() + "/temp/" + dEntity.tempFile.getName() + ".properties";
}
@Override
public void run() {
long currentLocation = 0;
try {
Log.d(TAG, "线程_" + dEntity.threadId + "_正在下载【" + "开始位置 : " + dEntity.startLocation + ",结束位置:" + dEntity.endLocation + "】");
URL url = new URL(dEntity.downloadUrl);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
//在头里面请求下载开始位置和结束位置
conn.setRequestProperty("Range", "bytes=" + dEntity.startLocation + "-" + dEntity.endLocation);
conn.setRequestMethod("GET");
conn.setRequestProperty("Charset", "UTF-8");
conn.setConnectTimeout(TIME_OUT * 4);
conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)");
conn.setRequestProperty("Accept", "image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-application, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*");
conn.setReadTimeout(TIME_OUT * 24); //设置读取流的等待时间,必须设置该参数
InputStream is = conn.getInputStream();
//创建可设置位置的文件
RandomAccessFile file = new RandomAccessFile(dEntity.tempFile, "rwd");
//设置每条线程写入文件的位置
file.seek(dEntity.startLocation);
byte[] buffer = new byte[1024];
int len;
//当前子线程的下载位置
currentLocation = dEntity.startLocation;
while ((len = is.read(buffer)) != -1) {
if (isCancel) {
Log.d(TAG, "++++++++++ thread_" + dEntity.threadId + "_cancel ++++++++++");
break;
}
if (isStop) {
break;
}
//把下载数据数据写入文件
file.write(buffer, 0, len);
synchronized (DownLoadUtil.this) {
mCurrentLocation += len;
mListener.onProgress(mCurrentLocation);
}
currentLocation += len;
}
file.close();
is.close();
if (isCancel) {
synchronized (DownLoadUtil.this) {
mCancelNum++;
if (mCancelNum == THREAD_NUM) {
File configFile = new File(configFPath);
if (configFile.exists()) {
configFile.delete();
}
if (dEntity.tempFile.exists()) {
dEntity.tempFile.delete();
}
Log.d(TAG, "++++++++++++++++ onCancel +++++++++++++++++");
isDownloading = false;
mListener.onCancel();
System.gc();
}
}
return;
}
//停止状态不需要删除记录文件
if (isStop) {
synchronized (DownLoadUtil.this) {
mStopNum++;
String location = String.valueOf(currentLocation);
Log.i(TAG, "thread_" + dEntity.threadId + "_stop, stop location ==> " + currentLocation);
writeConfig(dEntity.tempFile.getName() + "_record_" + dEntity.threadId, location);
if (mStopNum == THREAD_NUM) {
Log.d(TAG, "++++++++++++++++ onStop +++++++++++++++++");
isDownloading = false;
mListener.onStop(mCurrentLocation);
System.gc();
}
}
return;
}
Log.i(TAG, "线程【" + dEntity.threadId + "】下载完毕");
writeConfig(dEntity.tempFile.getName() + "_state_" + dEntity.threadId, 1 + "");
mListener.onChildComplete(dEntity.endLocation);
int blockSize = fileLength / THREAD_NUM;
SparseArray<Thread> tasks = new SparseArray<>();
int[] recordL = new int[THREAD_NUM];
int rl = 0;
for (int i = 0; i < THREAD_NUM; i++) {
recordL[i] = -1;
}
for (int i = 0; i < THREAD_NUM; i++) {
long startL = i * blockSize, endL = (i + 1) * blockSize;
Object state = pro.getProperty(dFile.getName() + "_state_" + i);
if (state != null && Integer.parseInt(state + "") == 1) { //该线程已经完成
mCurrentLocation += endL - startL;
Log.d(TAG, "++++++++++ 线程_" + i + "_已经下载完成 ++++++++++");
mCompleteThreadNum++;
mStopNum++;
mCancelNum++;
if (mCompleteThreadNum == THREAD_NUM) {
File configFile = new File(configFPath);
if (configFile.exists()) {
configFile.delete();
}
isDownloading = false;
mListener.onComplete();
System.gc();
}
} catch (MalformedURLException e) {
e.printStackTrace();
isDownloading = false;
synchronized (DownLoadUtil.this) {
try {
String location = String.valueOf(currentLocation);
writeConfig(dEntity.tempFile.getName() + "_record_" + dEntity.threadId, location);
failDownload("下载链接异常");
} catch (IOException e1) {
e1.printStackTrace();
}
}
} catch (IOException e) {
synchronized (DownLoadUtil.this) {
try {
String location = String.valueOf(currentLocation);
writeConfig(dEntity.tempFile.getName() + "_record_" + dEntity.threadId, location);
failDownload("下载失败【" + dEntity.downloadUrl + "】" + Util.getPrintException(e));
} catch (IOException e1) {
e1.printStackTrace();
}
}
} catch (Exception e) {
synchronized (DownLoadUtil.this) {
try {
String location = String.valueOf(currentLocation);
writeConfig(dEntity.tempFile.getName() + "_record_" + dEntity.threadId, location);
failDownload("获取流失败" + Util.getPrintException(e));
} catch (IOException e1) {
e1.printStackTrace();
}
if (configFile.exists()) {
configFile.delete();
}
mListener.onComplete();
isDownloading = false;
return;
}
continue;
}
//分配下载位置
Object record = pro.getProperty(dFile.getName() + "_record_" + i);
if (!isNewTask
&& record != null
&& Long.parseLong(record + "") > 0) { //如果有记录,则恢复下载
Long r = Long.parseLong(record + "");
mCurrentLocation += r - startL;
Log.d(TAG, "++++++++++ 线程_" + i + "_恢复下载 ++++++++++");
mListener.onChildResume(r);
startL = r;
recordL[rl] = i;
rl++;
} else {
isNewTask = true;
}
if (isNewTask) {
recordL[rl] = i;
rl++;
}
if (i == (THREAD_NUM - 1)) {
endL = fileLength;//如果整个文件的大小不为线程个数的整数倍,则最后一个线程的结束位置即为文件的总长度
}
DownloadEntity entity =
new DownloadEntity(context, fileLength, downloadUrl, dFile, i, startL, endL);
DownLoadTask task = new DownLoadTask(entity);
tasks.put(i, new Thread(task));
}
if (mCurrentLocation > 0) {
mListener.onResume(mCurrentLocation);
} else {
mListener.onStart(mCurrentLocation);
}
for (int l : recordL) {
if (l == -1) continue;
Thread task = tasks.get(l);
if (task != null) {
task.start();
}
}
} else {
failDownload("下载失败,返回码:" + code);
}
} catch (IOException e) {
failDownload("下载失败【downloadUrl:"
+ downloadUrl
+ "】\n【filePath:"
+ filePath
+ "】"
+ Util.getPrintException(e));
}
}
}).start();
}
private void failDownload(String msg) {
Log.e(TAG, msg);
isDownloading = false;
stopDownload();
mListener.onFail();
System.gc();
}
/**
* 多线程下载任务类,不能使用AsyncTask来进行多线程下载因为AsyncTask是串行执行的这种方式下载速度太慢了
*/
private class DownLoadTask implements Runnable {
private static final String TAG = "DownLoadTask";
private DownloadEntity dEntity;
private String configFPath;
public DownLoadTask(DownloadEntity downloadInfo) {
this.dEntity = downloadInfo;
configFPath = dEntity.context.getFilesDir().getPath()
+ "/temp/"
+ dEntity.tempFile.getName()
+ ".properties";
}
@Override public void run() {
long currentLocation = 0;
try {
Log.d(TAG, "线程_"
+ dEntity.threadId
+ "_正在下载【"
+ "开始位置 : "
+ dEntity.startLocation
+ ",结束位置:"
+ dEntity.endLocation
+ "】");
URL url = new URL(dEntity.downloadUrl);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
//在头里面请求下载开始位置和结束位置
conn.setRequestProperty("Range",
"bytes=" + dEntity.startLocation + "-" + dEntity.endLocation);
conn.setRequestMethod("GET");
conn.setRequestProperty("Charset", "UTF-8");
conn.setConnectTimeout(TIME_OUT * 4);
conn.setRequestProperty("User-Agent",
"Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)");
conn.setRequestProperty("Accept",
"image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-application, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*");
conn.setReadTimeout(TIME_OUT * 24); //设置读取流的等待时间,必须设置该参数
InputStream is = conn.getInputStream();
//创建可设置位置的文件
RandomAccessFile file = new RandomAccessFile(dEntity.tempFile, "rwd");
//设置每条线程写入文件的位置
file.seek(dEntity.startLocation);
byte[] buffer = new byte[1024];
int len;
//当前子线程的下载位置
currentLocation = dEntity.startLocation;
while ((len = is.read(buffer)) != -1) {
if (isCancel) {
Log.d(TAG, "++++++++++ thread_" + dEntity.threadId + "_cancel ++++++++++");
break;
}
if (isStop) {
break;
}
//把下载数据数据写入文件
file.write(buffer, 0, len);
synchronized (DownLoadUtil.this) {
mCurrentLocation += len;
mListener.onProgress(mCurrentLocation);
}
currentLocation += len;
}
file.close();
is.close();
if (isCancel) {
synchronized (DownLoadUtil.this) {
mCancelNum++;
if (mCancelNum == THREAD_NUM) {
File configFile = new File(configFPath);
if (configFile.exists()) {
configFile.delete();
}
if (dEntity.tempFile.exists()) {
dEntity.tempFile.delete();
}
Log.d(TAG, "++++++++++++++++ onCancel +++++++++++++++++");
isDownloading = false;
mListener.onCancel();
System.gc();
}
}
return;
}
//停止状态不需要删除记录文件
if (isStop) {
synchronized (DownLoadUtil.this) {
mStopNum++;
String location = String.valueOf(currentLocation);
Log.i(TAG,
"thread_" + dEntity.threadId + "_stop, stop location ==> " + currentLocation);
writeConfig(dEntity.tempFile.getName() + "_record_" + dEntity.threadId, location);
if (mStopNum == THREAD_NUM) {
Log.d(TAG, "++++++++++++++++ onStop +++++++++++++++++");
isDownloading = false;
mListener.onStop(mCurrentLocation);
System.gc();
}
}
return;
}
Log.i(TAG, "线程【" + dEntity.threadId + "】下载完毕");
writeConfig(dEntity.tempFile.getName() + "_state_" + dEntity.threadId, 1 + "");
mListener.onChildComplete(dEntity.endLocation);
mCompleteThreadNum++;
if (mCompleteThreadNum == THREAD_NUM) {
File configFile = new File(configFPath);
if (configFile.exists()) {
configFile.delete();
}
isDownloading = false;
mListener.onComplete();
System.gc();
}
/**
* 将记录写入到配置文件
*
* @param record
*/
private void writeConfig(String key, String record) throws IOException {
File configFile = new File(configFPath);
Properties pro = Util.loadConfig(configFile);
pro.setProperty(key, record);
Util.saveConfig(configFile, pro);
} catch (MalformedURLException e) {
e.printStackTrace();
isDownloading = false;
synchronized (DownLoadUtil.this) {
try {
String location = String.valueOf(currentLocation);
writeConfig(dEntity.tempFile.getName() + "_record_" + dEntity.threadId, location);
failDownload("下载链接异常");
} catch (IOException e1) {
e1.printStackTrace();
}
}
} catch (IOException e) {
synchronized (DownLoadUtil.this) {
try {
String location = String.valueOf(currentLocation);
writeConfig(dEntity.tempFile.getName() + "_record_" + dEntity.threadId, location);
failDownload("下载失败【" + dEntity.downloadUrl + "】" + Util.getPrintException(e));
} catch (IOException e1) {
e1.printStackTrace();
}
}
} catch (Exception e) {
synchronized (DownLoadUtil.this) {
try {
String location = String.valueOf(currentLocation);
writeConfig(dEntity.tempFile.getName() + "_record_" + dEntity.threadId, location);
failDownload("获取流失败" + Util.getPrintException(e));
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
}
/**
* 子线程下载信息类
* 将记录写入到配置文件
*/
private class DownloadEntity {
//文件大小
long fileSize;
String downloadUrl;
int threadId;
long startLocation;
long endLocation;
File tempFile;
Context context;
public DownloadEntity(Context context, long fileSize, String downloadUrl, File file, int threadId, long startLocation, long endLocation) {
this.fileSize = fileSize;
this.downloadUrl = downloadUrl;
this.tempFile = file;
this.threadId = threadId;
this.startLocation = startLocation;
this.endLocation = endLocation;
this.context = context;
}
private void writeConfig(String key, String record) throws IOException {
File configFile = new File(configFPath);
Properties pro = Util.loadConfig(configFile);
pro.setProperty(key, record);
Util.saveConfig(configFile, pro);
}
}
public static class DownloadListener implements IDownloadListener {
/**
* 子线程下载信息类
*/
private class DownloadEntity {
//文件大小
long fileSize;
String downloadUrl;
int threadId;
long startLocation;
long endLocation;
File tempFile;
Context context;
@Override
public void onResume(long resumeLocation) {
public DownloadEntity(Context context, long fileSize, String downloadUrl, File file,
int threadId, long startLocation, long endLocation) {
this.fileSize = fileSize;
this.downloadUrl = downloadUrl;
this.tempFile = file;
this.threadId = threadId;
this.startLocation = startLocation;
this.endLocation = endLocation;
this.context = context;
}
}
}
public static class DownloadListener implements IDownloadListener {
@Override
public void onCancel() {
@Override public void onResume(long resumeLocation) {
}
}
@Override
public void onFail() {
@Override public void onCancel() {
}
}
@Override
public void onPreDownload(HttpURLConnection connection) {
@Override public void onFail() {
}
}
@Override
public void onProgress(long currentLocation) {
@Override public void onPreDownload(HttpURLConnection connection) {
}
}
@Override
public void onChildComplete(long finishLocation) {
@Override public void onProgress(long currentLocation) {
}
}
@Override
public void onStart(long startLocation) {
@Override public void onChildComplete(long finishLocation) {
}
}
@Override
public void onChildResume(long resumeLocation) {
@Override public void onStart(long startLocation) {
}
}
@Override
public void onStop(long stopLocation) {
@Override public void onChildResume(long resumeLocation) {
}
}
@Override
public void onComplete() {
@Override public void onStop(long stopLocation) {
}
@Override public void onComplete() {
}
}
}
}

@ -6,54 +6,53 @@ import java.net.HttpURLConnection;
* 下载监听
*/
public interface IDownloadListener {
/**
* 取消下载
*/
public void onCancel();
/**
* 下载失败
*/
public void onFail();
/**
* 下载预处理,可通过HttpURLConnection获取文件长度
*/
public void onPreDownload(HttpURLConnection connection);
/**
* 下载监听
*/
public void onProgress(long currentLocation);
/**
* 单一线程的结束位置
*/
public void onChildComplete(long finishLocation);
/**
* 开始
*/
public void onStart(long startLocation);
/**
* 子程恢复下载的位置
*/
public void onChildResume(long resumeLocation);
/**
* 恢复位置
*/
public void onResume(long resumeLocation);
/**
* 停止
*/
public void onStop(long stopLocation);
/**
* 下载完成
*/
public void onComplete();
/**
* 取消下载
*/
public void onCancel();
/**
* 下载失败
*/
public void onFail();
/**
* 下载预处理,可通过HttpURLConnection获取文件长度
*/
public void onPreDownload(HttpURLConnection connection);
/**
* 下载监听
*/
public void onProgress(long currentLocation);
/**
* 单一线程的结束位置
*/
public void onChildComplete(long finishLocation);
/**
* 开始
*/
public void onStart(long startLocation);
/**
* 子程恢复下载的位置
*/
public void onChildResume(long resumeLocation);
/**
* 恢复位置
*/
public void onResume(long resumeLocation);
/**
* 停止
*/
public void onStop(long stopLocation);
/**
* 下载完成
*/
public void onComplete();
}

@ -1,13 +1,10 @@
package com.arialyy.downloadutil.util;
import android.util.Log;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Field;
import java.math.BigDecimal;
import java.security.MessageDigest;
@ -18,228 +15,212 @@ import java.util.Properties;
* Created by lyy on 2016/1/22.
*/
public class Util {
private static final String TAG = "util";
/**
* 将缓存的key转换为hash码
*
* @param key 缓存的key
* @return 转换后的key的值, 系统便是通过该key来读写缓存
*/
public static String keyToHashKey(String key) {
String cacheKey;
try {
final MessageDigest mDigest = MessageDigest.getInstance("MD5");
mDigest.update(key.getBytes());
cacheKey = bytesToHexString(mDigest.digest());
} catch (NoSuchAlgorithmException e) {
cacheKey = String.valueOf(key.hashCode());
}
return cacheKey;
private static final String TAG = "util";
/**
* 将缓存的key转换为hash码
*
* @param key 缓存的key
* @return 转换后的key的值, 系统便是通过该key来读写缓存
*/
public static String keyToHashKey(String key) {
String cacheKey;
try {
final MessageDigest mDigest = MessageDigest.getInstance("MD5");
mDigest.update(key.getBytes());
cacheKey = bytesToHexString(mDigest.digest());
} catch (NoSuchAlgorithmException e) {
cacheKey = String.valueOf(key.hashCode());
}
/**
* 将普通字符串转换为16位进制字符串
*
* @param src
* @return
*/
public static String bytesToHexString(byte[] src) {
StringBuilder stringBuilder = new StringBuilder("0x");
if (src == null || src.length <= 0) {
return null;
}
char[] buffer = new char[2];
for (byte aSrc : src) {
buffer[0] = Character.forDigit((aSrc >>> 4) & 0x0F, 16);
buffer[1] = Character.forDigit(aSrc & 0x0F, 16);
stringBuilder.append(buffer);
}
return stringBuilder.toString();
return cacheKey;
}
/**
* 将普通字符串转换为16位进制字符串
*/
public static String bytesToHexString(byte[] src) {
StringBuilder stringBuilder = new StringBuilder("0x");
if (src == null || src.length <= 0) {
return null;
}
/**
* 获取类里面的所在字段
*/
public static Field[] getFields(Class clazz) {
Field[] fields = null;
fields = clazz.getDeclaredFields();
if (fields == null || fields.length == 0) {
Class superClazz = clazz.getSuperclass();
if (superClazz != null) {
fields = getFields(superClazz);
}
}
return fields;
char[] buffer = new char[2];
for (byte aSrc : src) {
buffer[0] = Character.forDigit((aSrc >>> 4) & 0x0F, 16);
buffer[1] = Character.forDigit(aSrc & 0x0F, 16);
stringBuilder.append(buffer);
}
/**
* 获取对象名
*
* @param obj 对象
* @return 对象名
*/
public static String getClassName(Object obj) {
String arrays[] = obj.getClass().getName().split("\\.");
return arrays[arrays.length - 1];
return stringBuilder.toString();
}
/**
* 获取类里面的所在字段
*/
public static Field[] getFields(Class clazz) {
Field[] fields = null;
fields = clazz.getDeclaredFields();
if (fields == null || fields.length == 0) {
Class superClazz = clazz.getSuperclass();
if (superClazz != null) {
fields = getFields(superClazz);
}
}
return fields;
}
/**
* 获取对象名
*
* @param obj 对象
* @return 对象名
*/
public static String getClassName(Object obj) {
String arrays[] = obj.getClass().getName().split("\\.");
return arrays[arrays.length - 1];
}
/**
* 格式化文件大小
*
* @param size file.length() 获取文件大小
*/
public static String formatFileSize(double size) {
double kiloByte = size / 1024;
if (kiloByte < 1) {
return size + "Byte(s)";
}
/**
* 格式化文件大小
*
* @param size file.length() 获取文件大小
* @return
*/
public static String formatFileSize(double size) {
double kiloByte = size / 1024;
if (kiloByte < 1) {
return size + "Byte(s)";
}
double megaByte = kiloByte / 1024;
if (megaByte < 1) {
BigDecimal result1 = new BigDecimal(Double.toString(kiloByte));
return result1.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "KB";
}
double gigaByte = megaByte / 1024;
if (gigaByte < 1) {
BigDecimal result2 = new BigDecimal(Double.toString(megaByte));
return result2.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "MB";
}
double megaByte = kiloByte / 1024;
if (megaByte < 1) {
BigDecimal result1 = new BigDecimal(Double.toString(kiloByte));
return result1.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "KB";
}
double teraBytes = gigaByte / 1024;
if (teraBytes < 1) {
BigDecimal result3 = new BigDecimal(Double.toString(gigaByte));
return result3.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "GB";
}
BigDecimal result4 = new BigDecimal(teraBytes);
return result4.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "TB";
double gigaByte = megaByte / 1024;
if (gigaByte < 1) {
BigDecimal result2 = new BigDecimal(Double.toString(megaByte));
return result2.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "MB";
}
/**
* 创建目录 当目录不存在的时候创建文件否则返回false
*
* @param path
* @return
*/
public static boolean createDir(String path) {
File file = new File(path);
if (!file.exists()) {
if (!file.mkdirs()) {
Log.d(TAG, "创建失败,请检查路径和是否配置文件权限!");
return false;
}
return true;
}
double teraBytes = gigaByte / 1024;
if (teraBytes < 1) {
BigDecimal result3 = new BigDecimal(Double.toString(gigaByte));
return result3.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "GB";
}
BigDecimal result4 = new BigDecimal(teraBytes);
return result4.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "TB";
}
/**
* 创建目录 当目录不存在的时候创建文件否则返回false
*/
public static boolean createDir(String path) {
File file = new File(path);
if (!file.exists()) {
if (!file.mkdirs()) {
Log.d(TAG, "创建失败,请检查路径和是否配置文件权限!");
return false;
}
return true;
}
/**
* 创建文件 当文件不存在的时候就创建一个文件否则直接返回文件
*
* @param path
* @return
*/
public static File createFile(String path) {
File file = new File(path);
if (!file.getParentFile().exists()) {
Log.d(TAG, "目标文件所在路径不存在,准备创建……");
if (!createDir(file.getParent())) {
Log.d(TAG, "创建目录文件所在的目录失败!文件路径【" + path + "】");
}
}
// 创建目标文件
try {
if (!file.exists()) {
if (file.createNewFile()) {
Log.d(TAG, "创建文件成功:" + file.getAbsolutePath());
}
return file;
} else {
return file;
}
} catch (IOException e) {
e.printStackTrace();
}
return null;
return false;
}
/**
* 创建文件 当文件不存在的时候就创建一个文件否则直接返回文件
*/
public static File createFile(String path) {
File file = new File(path);
if (!file.getParentFile().exists()) {
Log.d(TAG, "目标文件所在路径不存在,准备创建……");
if (!createDir(file.getParent())) {
Log.d(TAG, "创建目录文件所在的目录失败!文件路径【" + path + "】");
}
}
/**
* 设置打印的异常格式
*/
public static String getPrintException(Throwable ex) {
StringBuilder err = new StringBuilder();
err.append("ExceptionDetailed:\n");
err.append("====================Exception Info====================\n");
err.append(ex.toString());
err.append("\n");
StackTraceElement[] stack = ex.getStackTrace();
for (StackTraceElement stackTraceElement : stack) {
err.append(stackTraceElement.toString()).append("\n");
// 创建目标文件
try {
if (!file.exists()) {
if (file.createNewFile()) {
Log.d(TAG, "创建文件成功:" + file.getAbsolutePath());
}
Throwable cause = ex.getCause();
if (cause != null) {
err.append("【Caused by】: ");
err.append(cause.toString());
err.append("\n");
StackTraceElement[] stackTrace = cause.getStackTrace();
for (StackTraceElement stackTraceElement : stackTrace) {
err.append(stackTraceElement.toString()).append("\n");
}
}
err.append("===================================================");
return err.toString();
return file;
} else {
return file;
}
} catch (IOException e) {
e.printStackTrace();
}
/**
* 读取下载配置文件
*
* @param file
* @return
*/
public static Properties loadConfig(File file) {
Properties properties = new Properties();
FileInputStream fis = null;
try {
fis = new FileInputStream(file);
properties.load(fis);
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (fis != null) {
fis.close();
}
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* 设置打印的异常格式
*/
public static String getPrintException(Throwable ex) {
StringBuilder err = new StringBuilder();
err.append("ExceptionDetailed:\n");
err.append("====================Exception Info====================\n");
err.append(ex.toString());
err.append("\n");
StackTraceElement[] stack = ex.getStackTrace();
for (StackTraceElement stackTraceElement : stack) {
err.append(stackTraceElement.toString()).append("\n");
}
Throwable cause = ex.getCause();
if (cause != null) {
err.append("【Caused by】: ");
err.append(cause.toString());
err.append("\n");
StackTraceElement[] stackTrace = cause.getStackTrace();
for (StackTraceElement stackTraceElement : stackTrace) {
err.append(stackTraceElement.toString()).append("\n");
}
}
err.append("===================================================");
return err.toString();
}
/**
* 读取下载配置文件
*/
public static Properties loadConfig(File file) {
Properties properties = new Properties();
FileInputStream fis = null;
try {
fis = new FileInputStream(file);
properties.load(fis);
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (fis != null) {
fis.close();
}
return properties;
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 保存配置文件
*
* @param file
* @param properties
*/
public static void saveConfig(File file, Properties properties) {
FileOutputStream fos = null;
try {
fos = new FileOutputStream(file, false);
properties.store(fos, null);
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (fos != null) {
fos.flush();
fos.close();
}
} catch (IOException e) {
e.printStackTrace();
}
return properties;
}
/**
* 保存配置文件
*/
public static void saveConfig(File file, Properties properties) {
FileOutputStream fos = null;
try {
fos = new FileOutputStream(file, false);
properties.store(fos, null);
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (fos != null) {
fos.flush();
fos.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}

@ -1,8 +1,8 @@
<resources>
<string name="app_name">DownloadUtil</string>
<string name="app_name">DownloadUtil</string>
<string name="error_entity_null">下载实体不能为空</string>
<string name="error_download_url_null">下载链接不能为空</string>
<string name="error_download_path_null">存储地址不能为空</string>
<string name="error_file_name_null">文件名不能为空</string>
<string name="error_entity_null">下载实体不能为空</string>
<string name="error_download_url_null">下载链接不能为空</string>
<string name="error_download_path_null">存储地址不能为空</string>
<string name="error_file_name_null">文件名不能为空</string>
</resources>

@ -2,14 +2,13 @@ package com.arialyy.downloadutil;
import org.junit.Test;
import static org.junit.Assert.*;
import static org.junit.Assert.assertEquals;
/**
* To work on unit tests, switch the Test Artifact in the Build Variants view.
*/
public class ExampleUnitTest {
@Test
public void addition_isCorrect() throws Exception {
assertEquals(4, 2 + 2);
}
@Test public void addition_isCorrect() throws Exception {
assertEquals(4, 2 + 2);
}
}
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