AriaLyy
8 years ago
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4e305dcf01
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/* |
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* Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package com.arialyy.aria.core.inf; |
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import android.support.annotation.NonNull; |
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import android.util.Log; |
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import com.arialyy.aria.core.AriaManager; |
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import com.arialyy.aria.core.RequestEnum; |
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import com.arialyy.aria.core.command.normal.NormalCmdFactory; |
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import com.arialyy.aria.util.CommonUtil; |
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import java.util.Map; |
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import java.util.Set; |
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/** |
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* Created by AriaL on 2017/7/3. |
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*/ |
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public abstract class AbsTarget<TARGET extends AbsTarget, ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity> |
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implements ITarget<TARGET> { |
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protected ENTITY mEntity; |
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protected TASK_ENTITY mTaskEntity; |
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protected String mTargetName; |
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/** |
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* 获取任务进度，如果任务存在，则返回当前进度 |
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* |
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* @return 该任务进度 |
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*/ |
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public long getCurrentProgress() { |
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return mEntity == null ? -1 : mEntity.getCurrentProgress(); |
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} |
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/** |
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* 获取任务文件大小 |
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* |
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* @return 文件大小 |
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*/ |
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@Override public long getSize() { |
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return mEntity == null ? 0 : mEntity.getFileSize(); |
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} |
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/** |
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* 获取单位转换后的文件大小 |
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* |
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* @return 文件大小{@code xxx mb} |
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*/ |
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@Override public String getConvertSize() { |
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return mEntity == null ? "0b" : CommonUtil.formatFileSize(mEntity.getFileSize()); |
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} |
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/** |
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* 设置扩展字段，用来保存你的其它数据，如果你的数据比较多，你可以把你的数据转换为JSON字符串，然后再存到Aria中 |
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* |
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* @param str 扩展数据 |
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*/ |
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public TARGET setExtendField(String str) { |
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mEntity.setStr(str); |
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return (TARGET) this; |
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} |
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/** |
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* 获取存放的扩展字段 |
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* 设置扩展字段{@link #setExtendField(String)} |
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*/ |
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public String getExtendField() { |
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return mEntity.getStr(); |
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} |
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/** |
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* 获取任务状态 |
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* |
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* @return {@link IEntity} |
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*/ |
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public int getTaskState() { |
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return mEntity.getState(); |
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} |
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/** |
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* 获取任务进度百分比 |
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* |
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* @return 返回任务进度 |
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*/ |
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@Override public int getPercent() { |
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if (mEntity == null) { |
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Log.e("AbsTarget", "下载管理器中没有该任务"); |
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return 0; |
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} |
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if (mEntity.getFileSize() != 0) { |
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return (int) (mEntity.getCurrentProgress() * 100 / mEntity.getFileSize()); |
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} |
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return 0; |
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} |
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/** |
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* 给url请求添加头部 |
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* |
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* @param key 头部key |
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* @param header 头部value |
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*/ |
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public TARGET addHeader(@NonNull String key, @NonNull String header) { |
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mTaskEntity.headers.put(key, header); |
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return (TARGET) this; |
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} |
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/** |
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* 给url请求添加头部 |
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*/ |
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public TARGET addHeaders(Map<String, String> headers) { |
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if (headers != null && headers.size() > 0) { |
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Set<String> keys = headers.keySet(); |
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for (String key : keys) { |
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mTaskEntity.headers.put(key, headers.get(key)); |
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} |
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} |
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return (TARGET) this; |
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} |
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/** |
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* 设置请求类型 |
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* |
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* @param requestEnum {@link RequestEnum} |
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*/ |
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public TARGET setRequestMode(RequestEnum requestEnum) { |
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mTaskEntity.requestEnum = requestEnum; |
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return (TARGET) this; |
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} |
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/** |
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* 开始下载 |
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*/ |
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@Override public void start() { |
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AriaManager.getInstance(AriaManager.APP) |
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.setCmd(CommonUtil.createCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_START)) |
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.exe(); |
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} |
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/** |
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* 停止下载 |
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* |
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* @see #stop() |
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*/ |
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@Deprecated public void pause() { |
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stop(); |
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} |
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@Override public void stop() { |
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AriaManager.getInstance(AriaManager.APP) |
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.setCmd(CommonUtil.createCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_STOP)) |
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.exe(); |
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} |
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/** |
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* 恢复下载 |
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*/ |
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@Override public void resume() { |
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AriaManager.getInstance(AriaManager.APP) |
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.setCmd(CommonUtil.createCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_START)) |
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.exe(); |
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} |
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/** |
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* 取消下载 |
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*/ |
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@Override public void cancel() { |
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AriaManager.getInstance(AriaManager.APP) |
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.setCmd(CommonUtil.createCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_CANCEL)) |
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.exe(); |
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} |
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} |
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