例子编写
This commit is contained in:
@ -7,7 +7,7 @@ import android.test.ApplicationTestCase;
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* <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
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*/
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public class ApplicationTest extends ApplicationTestCase<Application> {
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public ApplicationTest() {
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super(Application.class);
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}
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public ApplicationTest() {
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super(Application.class);
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}
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}
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@ -1,11 +1,11 @@
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.arialyy.downloadutil">
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package="com.arialyy.downloadutil">
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<application
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android:allowBackup="true"
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android:label="@string/app_name"
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android:supportsRtl="true">
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<application
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android:allowBackup="true"
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android:label="@string/app_name"
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android:supportsRtl="true">
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</application>
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</application>
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</manifest>
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@ -1,7 +1,9 @@
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package com.arialyy.downloadutil.core;
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import android.content.Context;
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import com.arialyy.downloadutil.core.command.IDownloadCommand;
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import java.util.ArrayList;
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import java.util.List;
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@ -10,102 +12,103 @@ import java.util.List;
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* 下载管理器,通过命令的方式控制下载
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*/
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public class DownloadManager {
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private static final Object LOCK = new Object();
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private static volatile DownloadManager INSTANCE = null;
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/**
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* 下载开始前事件
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*/
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public static final String ACTION_PRE = "ACTION_PRE";
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private static final Object LOCK = new Object();
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private static volatile DownloadManager INSTANCE = null;
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/**
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* 下载开始前事件
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*/
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public static final String ACTION_PRE = "ACTION_PRE";
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/**
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* 开始下载事件
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*/
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public static final String ACTION_START = "ACTION_START";
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/**
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* 开始下载事件
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*/
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public static final String ACTION_START = "ACTION_START";
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/**
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* 恢复下载事件
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*/
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public static final String ACTION_RESUME = "ACTION_RESUME";
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/**
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* 恢复下载事件
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*/
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public static final String ACTION_RESUME = "ACTION_RESUME";
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/**
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* 正在下载事件
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*/
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public static final String ACTION_RUNNING = "ACTION_RUNNING";
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/**
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* 正在下载事件
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*/
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public static final String ACTION_RUNNING = "ACTION_RUNNING";
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/**
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* 停止下载事件
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*/
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public static final String ACTION_STOP = "ACTION_STOP";
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/**
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* 停止下载事件
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*/
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public static final String ACTION_STOP = "ACTION_STOP";
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/**
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* 取消下载事件
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*/
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public static final String ACTION_CANCEL = "ACTION_CANCEL";
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/**
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* 取消下载事件
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*/
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public static final String ACTION_CANCEL = "ACTION_CANCEL";
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/**
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* 下载完成事件
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*/
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public static final String ACTION_COMPLETE = "ACTION_COMPLETE";
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/**
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* 下载完成事件
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*/
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public static final String ACTION_COMPLETE = "ACTION_COMPLETE";
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/**
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* 下载失败事件
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*/
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public static final String ACTION_FAIL = "ACTION_FAIL";
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/**
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* 下载失败事件
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*/
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public static final String ACTION_FAIL = "ACTION_FAIL";
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/**
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* 下载实体
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*/
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public static final String DATA = "DOWNLOAD_ENTITY";
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/**
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* 下载实体
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*/
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public static final String DATA = "DOWNLOAD_ENTITY";
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/**
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* 位置
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*/
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public static final String CURRENT_LOCATION = "CURRENT_LOCATION";
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/**
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* 位置
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*/
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public static final String CURRENT_LOCATION = "CURRENT_LOCATION";
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private List<IDownloadCommand> mCommands = new ArrayList<>();
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private List<IDownloadCommand> mCommands = new ArrayList<>();
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private DownloadManager() {
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private DownloadManager() {
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}
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private Context mContext;
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private DownloadManager(Context context) {
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mContext = context;
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}
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public static DownloadManager getInstance(Context context) {
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if (INSTANCE == null) {
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synchronized (LOCK) {
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INSTANCE = new DownloadManager(context.getApplicationContext());
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}
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}
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return INSTANCE;
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}
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/**
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* 设置命令
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*/
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public void setCommant(IDownloadCommand command) {
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mCommands.add(command);
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}
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private Context mContext;
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/**
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* 设置一组命令
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*/
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public void setCommands(List<IDownloadCommand> commands) {
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if (commands != null && commands.size() > 0) {
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mCommands.addAll(commands);
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private DownloadManager(Context context) {
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mContext = context;
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}
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}
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/**
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* 执行所有设置的命令
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*/
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public synchronized void exe() {
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for (IDownloadCommand command : mCommands) {
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command.executeComment();
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public static DownloadManager getInstance(Context context) {
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if (INSTANCE == null) {
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synchronized (LOCK) {
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INSTANCE = new DownloadManager(context.getApplicationContext());
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}
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}
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return INSTANCE;
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}
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/**
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* 设置命令
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*/
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public void setCommant(IDownloadCommand command) {
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mCommands.add(command);
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}
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/**
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* 设置一组命令
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*/
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public DownloadManager setCommands(List<IDownloadCommand> commands) {
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if (commands != null && commands.size() > 0) {
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mCommands.addAll(commands);
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}
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return this;
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}
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/**
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* 执行所有设置的命令
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*/
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public synchronized void exe() {
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for (IDownloadCommand command : mCommands) {
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command.executeComment();
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}
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mCommands.clear();
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}
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mCommands.clear();
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}
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}
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@ -2,6 +2,7 @@ package com.arialyy.downloadutil.core;
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import android.content.Context;
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import android.util.Log;
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import com.arialyy.downloadutil.entity.DownloadEntity;
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/**
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@ -9,96 +10,102 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
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* 下载任务调度类
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*/
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public class DownloadTarget extends IDownloadTarget {
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private static final String TAG = "DownloadTarget";
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private static final Object LOCK = new Object();
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private static volatile DownloadTarget INSTANCE = null;
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private Context mContext;
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private static final String TAG = "DownloadTarget";
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private static final Object LOCK = new Object();
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private static volatile DownloadTarget INSTANCE = null;
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private Context mContext;
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public static DownloadTarget getInstance(Context context) {
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if (INSTANCE == null) {
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synchronized (LOCK) {
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INSTANCE = new DownloadTarget(context.getApplicationContext());
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}
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public static DownloadTarget getInstance(Context context) {
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if (INSTANCE == null) {
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synchronized (LOCK) {
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INSTANCE = new DownloadTarget(context.getApplicationContext());
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}
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}
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return INSTANCE;
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}
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return INSTANCE;
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}
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private DownloadTarget() {
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super();
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}
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private DownloadTarget(Context context) {
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super();
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mContext = context;
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}
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@Override public void startTask(Task task) {
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if (mExecutePool.putTask(task)) {
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task.start();
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private DownloadTarget() {
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super();
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}
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}
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@Override public void stopTask(Task task) {
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if (mExecutePool.removeTask(task)) {
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task.stop();
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private DownloadTarget(Context context) {
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super();
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mContext = context;
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}
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}
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@Override public void cancelTask(Task task) {
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if (mExecutePool.removeTask(task)) {
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task.cancel();
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@Override public void startTask(Task task) {
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if (mExecutePool.putTask(task)) {
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task.start();
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}
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}
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}
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@Override public void reTryStart(Task task) {
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if (!task.getDownloadUtil().isDownloading()) {
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task.start();
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} else {
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Log.w(TAG, "任务没有完全停止,重试下载失败");
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@Override public void stopTask(Task task) {
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if (mExecutePool.removeTask(task)) {
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task.stop();
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}
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}
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}
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@Override public Task createTask(DownloadEntity entity) {
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Task task = TaskFactory.getInstance().createTask(mContext, entity, mTaskHandler);
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mCachePool.putTask(task);
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return task;
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}
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@Override public void cancelTask(Task task) {
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if (mExecutePool.removeTask(task)) {
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task.cancel();
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}
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}
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@Override public Task getTask(DownloadEntity entity) {
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Task task = mExecutePool.getTask(entity.getDownloadUrl());
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if (task == null) {
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task = mCachePool.getTask(entity.getDownloadUrl());
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@Override public void reTryStart(Task task) {
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if (!task.getDownloadUtil().isDownloading()) {
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task.start();
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} else {
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Log.w(TAG, "任务没有完全停止,重试下载失败");
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}
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}
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if (task == null) {
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task = createTask(entity);
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}
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return task;
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}
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@Override public int getTaskState(DownloadEntity entity) {
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Task task = getTask(entity);
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if (task == null) {
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Log.e(TAG, "没有找到下载链接为【" + entity.getDownloadUrl() + "】的下载任务");
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return -1;
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@Override public Task createTask(DownloadEntity entity) {
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Task task = TaskFactory.getInstance().createTask(mContext, entity, mTaskHandler);
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mCachePool.putTask(task);
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return task;
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}
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return task.getDownloadEntity().getState();
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}
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@Override public void removeTask(DownloadEntity entity) {
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Task task = mCachePool.getTask(entity.getDownloadUrl());
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if (task != null) {
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Log.d(TAG, "任务删除" + (mCachePool.removeTask(task) ? "成功" : "失败"));
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} else {
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task = mExecutePool.getTask(entity.getDownloadUrl());
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@Override public Task getTask(DownloadEntity entity) {
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Task task = mExecutePool.getTask(entity.getDownloadUrl());
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if (task == null) {
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task = mCachePool.getTask(entity.getDownloadUrl());
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}
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if (task == null) {
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task = createTask(entity);
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}
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return task;
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}
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if (task != null) {
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Log.d(TAG, "任务删除" + (mCachePool.removeTask(task) ? "成功" : "失败"));
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} else {
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Log.w(TAG, "没有找到下载链接为【" + entity.getDownloadUrl() + "】的任务");
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}
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}
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@Override public Task getNextTask() {
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return mCachePool.pollTask();
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}
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@Override public int getTaskState(DownloadEntity entity) {
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Task task = getTask(entity);
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if (task == null) {
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Log.e(TAG, "没有找到下载链接为【" + entity.getDownloadUrl() + "】的下载任务");
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return -1;
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}
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return task.getDownloadEntity().getState();
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}
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@Override public void removeTask(DownloadEntity entity) {
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Task task = mCachePool.getTask(entity.getDownloadUrl());
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if (task != null) {
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Log.d(TAG, "任务删除" + (mCachePool.removeTask(task) ?
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"成功" :
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"失败"
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));
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} else {
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task = mExecutePool.getTask(entity.getDownloadUrl());
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}
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if (task != null) {
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Log.d(TAG, "任务删除" + (mCachePool.removeTask(task) ?
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"成功" :
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"失败"
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));
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} else {
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Log.w(TAG, "没有找到下载链接为【" + entity.getDownloadUrl() + "】的任务");
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}
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}
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@Override public Task getNextTask() {
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return mCachePool.pollTask();
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}
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}
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@ -3,6 +3,7 @@ package com.arialyy.downloadutil.core;
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import android.os.Handler;
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import android.os.Message;
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import android.util.Log;
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import com.arialyy.downloadutil.core.inf.IDownloader;
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import com.arialyy.downloadutil.core.inf.ITask;
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import com.arialyy.downloadutil.core.pool.CachePool;
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@ -14,205 +15,205 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
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* 任务下载器,提供抽象的方法供具体的实现类操作
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*/
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public abstract class IDownloadTarget implements IDownloader, ITask {
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/**
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* 任务开始
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*/
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public static final int START = 1;
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/**
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* 任务停止
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*/
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public static final int STOP = 2;
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/**
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* 任务失败
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*/
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public static final int FAIL = 3;
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/**
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* 任务取消
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*/
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public static final int CANCEL = 4;
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/**
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* 任务完成
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*/
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public static final int COMPLETE = 5;
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protected CachePool mCachePool = CachePool.getInstance();
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protected ExecutePool mExecutePool = ExecutePool.getInstance();
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protected AutoTaskHandler mTaskHandler;
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/**
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* 下载失败次数
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*/
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protected int mFailNum = 10;
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/**
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* 超时时间
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*/
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protected long mTimeOut = 10000;
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/**
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* 下载器任务监听
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*/
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protected OnTargetListener mTargetListener;
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/**
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* Target处理任务监听
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*/
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public interface OnTargetListener {
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/**
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* 任务开始
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*/
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public void onTaskStart(Task task);
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public static final int START = 1;
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/**
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* 任务停止
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*/
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public void onTaskStop(Task task);
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public static final int STOP = 2;
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/**
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* 任务失败
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*/
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public static final int FAIL = 3;
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/**
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* 任务取消
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*/
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public void onTaskCancel(Task task);
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/**
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* 任务下载失败
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*/
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public void onTaskFail(Task task);
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public static final int CANCEL = 4;
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/**
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* 任务完成
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*/
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public void onTaskComplete(Task task);
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}
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public static final int COMPLETE = 5;
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protected IDownloadTarget() {
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mTaskHandler = new AutoTaskHandler(this);
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}
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protected CachePool mCachePool = CachePool.getInstance();
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protected ExecutePool mExecutePool = ExecutePool.getInstance();
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protected AutoTaskHandler mTaskHandler;
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/**
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* 下载失败次数
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*/
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protected int mFailNum = 10;
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/**
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* 设置下载器监听
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*
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* @param targetListener {@link OnTargetListener}
|
||||
*/
|
||||
public void setOnTargetListener(OnTargetListener targetListener) {
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this.mTargetListener = targetListener;
|
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}
|
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/**
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* 超时时间
|
||||
*/
|
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protected long mTimeOut = 10000;
|
||||
|
||||
/**
|
||||
* 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();
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||||
}
|
||||
/**
|
||||
* 下载器任务监听
|
||||
*/
|
||||
protected OnTargetListener mTargetListener;
|
||||
|
||||
/**
|
||||
* 获取缓存任务数
|
||||
*
|
||||
* @return 获取缓存的任务数
|
||||
*/
|
||||
public int getCacheTaskNum() {
|
||||
return mCachePool.size();
|
||||
}
|
||||
/**
|
||||
* Target处理任务监听
|
||||
*/
|
||||
public interface OnTargetListener {
|
||||
/**
|
||||
* 任务开始
|
||||
*/
|
||||
public void onTaskStart(Task task);
|
||||
|
||||
public void setFailNum(int mFailNum) {
|
||||
this.mFailNum = mFailNum;
|
||||
}
|
||||
/**
|
||||
* 任务停止
|
||||
*/
|
||||
public void onTaskStop(Task task);
|
||||
|
||||
public void setTimeOut(long timeOut) {
|
||||
this.mTimeOut = timeOut;
|
||||
}
|
||||
/**
|
||||
* 任务取消
|
||||
*/
|
||||
public void onTaskCancel(Task task);
|
||||
|
||||
/**
|
||||
* 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;
|
||||
/**
|
||||
* 任务下载失败
|
||||
*/
|
||||
public void onTaskFail(Task task);
|
||||
|
||||
public AutoTaskHandler(IDownloadTarget target) {
|
||||
this.target = target;
|
||||
/**
|
||||
* 任务完成
|
||||
*/
|
||||
public void onTaskComplete(Task task);
|
||||
}
|
||||
|
||||
@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);
|
||||
protected IDownloadTarget() {
|
||||
mTaskHandler = new AutoTaskHandler(this);
|
||||
}
|
||||
|
||||
/**
|
||||
* 回调
|
||||
* 设置下载器监听
|
||||
*
|
||||
* @param state 状态
|
||||
* @param entity 下载实体
|
||||
* @param targetListener {@link OnTargetListener}
|
||||
*/
|
||||
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;
|
||||
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;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 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);
|
||||
}
|
||||
}
|
||||
@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);
|
||||
}
|
||||
|
||||
/**
|
||||
* 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);
|
||||
/**
|
||||
* 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);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -4,9 +4,11 @@ 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.DownLoadUtil;
|
||||
import com.arialyy.downloadutil.util.IDownloadListener;
|
||||
|
||||
import java.net.HttpURLConnection;
|
||||
|
||||
/**
|
||||
@ -14,189 +16,190 @@ 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 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());
|
||||
}
|
||||
|
||||
@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);
|
||||
private Task() {
|
||||
util = new DownLoadUtil();
|
||||
}
|
||||
|
||||
/**
|
||||
* 将任务状态发送给下载器
|
||||
*
|
||||
* @param state {@link IDownloadTarget#START}
|
||||
* 开始下载
|
||||
*/
|
||||
private void sendInState2Target(int state) {
|
||||
if (outHandler != null) {
|
||||
outHandler.obtainMessage(state, downloadEntity).sendToTarget();
|
||||
}
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
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 DownloadEntity getDownloadEntity() {
|
||||
return downloadEntity;
|
||||
}
|
||||
|
||||
public Builder setDownloadListener(IDownloadListener listener) {
|
||||
this.listener = listener;
|
||||
return this;
|
||||
/**
|
||||
* 停止下载
|
||||
*/
|
||||
public void stop() {
|
||||
if (util.isDownloading()) {
|
||||
util.stopDownload();
|
||||
}
|
||||
}
|
||||
|
||||
public Builder setOutHandler(Handler outHandler) {
|
||||
this.outHandler = outHandler;
|
||||
return this;
|
||||
/**
|
||||
* 获取下载工具
|
||||
*/
|
||||
public DownLoadUtil getDownloadUtil() {
|
||||
return util;
|
||||
}
|
||||
|
||||
public Task builder() {
|
||||
Task task = new Task();
|
||||
task.context = context;
|
||||
task.downloadEntity = downloadEntity;
|
||||
task.listener = listener;
|
||||
task.outHandler = outHandler;
|
||||
return task;
|
||||
/**
|
||||
* 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());
|
||||
}
|
||||
|
||||
@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;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -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
|
||||
}
|
||||
|
@ -2,6 +2,7 @@ package com.arialyy.downloadutil.core;
|
||||
|
||||
import android.content.Context;
|
||||
import android.os.Handler;
|
||||
|
||||
import com.arialyy.downloadutil.entity.DownloadEntity;
|
||||
|
||||
/**
|
||||
@ -9,33 +10,33 @@ 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;
|
||||
}
|
||||
|
||||
/**
|
||||
* 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();
|
||||
}
|
||||
public static TaskFactory getInstance() {
|
||||
if (INSTANCE == null) {
|
||||
synchronized (LOCK) {
|
||||
INSTANCE = new TaskFactory();
|
||||
}
|
||||
}
|
||||
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();
|
||||
}
|
||||
}
|
||||
|
@ -1,6 +1,7 @@
|
||||
package com.arialyy.downloadutil.core.command;
|
||||
|
||||
import android.content.Context;
|
||||
|
||||
import com.arialyy.downloadutil.entity.DownloadEntity;
|
||||
|
||||
/**
|
||||
@ -9,11 +10,11 @@ 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);
|
||||
}
|
||||
}
|
||||
|
@ -1,6 +1,7 @@
|
||||
package com.arialyy.downloadutil.core.command;
|
||||
|
||||
import android.content.Context;
|
||||
|
||||
import com.arialyy.downloadutil.entity.DownloadEntity;
|
||||
|
||||
/**
|
||||
@ -9,11 +10,11 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
|
||||
*/
|
||||
class CancelCommand extends IDownloadCommand {
|
||||
|
||||
CancelCommand(Context context, DownloadEntity entity) {
|
||||
super(context, entity);
|
||||
}
|
||||
CancelCommand(Context context, DownloadEntity entity) {
|
||||
super(context, entity);
|
||||
}
|
||||
|
||||
@Override public void executeComment() {
|
||||
target.cancelTask(target.getTask(mEntity));
|
||||
}
|
||||
@Override public void executeComment() {
|
||||
target.cancelTask(target.getTask(mEntity));
|
||||
}
|
||||
}
|
||||
|
@ -1,6 +1,7 @@
|
||||
package com.arialyy.downloadutil.core.command;
|
||||
|
||||
import android.content.Context;
|
||||
|
||||
import com.arialyy.downloadutil.entity.DownloadEntity;
|
||||
|
||||
/**
|
||||
@ -8,108 +9,108 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
|
||||
* 命令工厂
|
||||
*/
|
||||
public class CommandFactory {
|
||||
/**
|
||||
* 创建任务
|
||||
*/
|
||||
public static final int TASK_CREATE = 0x122;
|
||||
/**
|
||||
* 启动任务
|
||||
*/
|
||||
public static final int TASK_START = 0x123;
|
||||
/**
|
||||
* 取消任务
|
||||
*/
|
||||
public static final int TASK_CANCEL = 0x124;
|
||||
/**
|
||||
* 停止任务
|
||||
*/
|
||||
public static final int TASK_STOP = 0x125;
|
||||
/**
|
||||
* 获取任务状态
|
||||
*/
|
||||
public static final int TASK_STATE = 0x126;
|
||||
/**
|
||||
* 创建任务
|
||||
*/
|
||||
public static final int TASK_CREATE = 0x122;
|
||||
/**
|
||||
* 启动任务
|
||||
*/
|
||||
public static final int TASK_START = 0x123;
|
||||
/**
|
||||
* 取消任务
|
||||
*/
|
||||
public static final int TASK_CANCEL = 0x124;
|
||||
/**
|
||||
* 停止任务
|
||||
*/
|
||||
public static final int TASK_STOP = 0x125;
|
||||
/**
|
||||
* 获取任务状态
|
||||
*/
|
||||
public static final int TASK_STATE = 0x126;
|
||||
|
||||
private static final Object LOCK = new Object();
|
||||
private static volatile CommandFactory INSTANCE = null;
|
||||
private static final Object LOCK = new Object();
|
||||
private static volatile CommandFactory INSTANCE = null;
|
||||
|
||||
private CommandFactory() {
|
||||
private CommandFactory() {
|
||||
|
||||
}
|
||||
|
||||
public static CommandFactory getInstance() {
|
||||
if (INSTANCE == null) {
|
||||
synchronized (LOCK) {
|
||||
INSTANCE = new CommandFactory();
|
||||
}
|
||||
}
|
||||
return INSTANCE;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param context context
|
||||
* @param entity 下载实体
|
||||
* @param type 命令类型{@link #TASK_CREATE}、{@link #TASK_START}、{@link #TASK_CANCEL}、{@link
|
||||
* #TASK_STOP}、{@link #TASK_STATE}
|
||||
*/
|
||||
public IDownloadCommand createCommand(Context context, DownloadEntity entity, int type) {
|
||||
switch (type) {
|
||||
case TASK_CREATE:
|
||||
return createAddCommand(context, entity);
|
||||
case TASK_START:
|
||||
return createStartCommand(context, entity);
|
||||
case TASK_CANCEL:
|
||||
return createCancelCommand(context, entity);
|
||||
case TASK_STOP:
|
||||
return createStopCommand(context, entity);
|
||||
case TASK_STATE:
|
||||
return createStateCommand(context, entity);
|
||||
default:
|
||||
return null;
|
||||
public static CommandFactory getInstance() {
|
||||
if (INSTANCE == null) {
|
||||
synchronized (LOCK) {
|
||||
INSTANCE = new CommandFactory();
|
||||
}
|
||||
}
|
||||
return INSTANCE;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 创建获取任务状态的命令
|
||||
*
|
||||
* @return {@link StateCommand}
|
||||
*/
|
||||
private StateCommand createStateCommand(Context context, DownloadEntity entity) {
|
||||
return new StateCommand(context, entity);
|
||||
}
|
||||
/**
|
||||
* @param context context
|
||||
* @param entity 下载实体
|
||||
* @param type 命令类型{@link #TASK_CREATE}、{@link #TASK_START}、{@link #TASK_CANCEL}、{@link
|
||||
* #TASK_STOP}、{@link #TASK_STATE}
|
||||
*/
|
||||
public IDownloadCommand createCommand(Context context, DownloadEntity entity, int type) {
|
||||
switch (type) {
|
||||
case TASK_CREATE:
|
||||
return createAddCommand(context, entity);
|
||||
case TASK_START:
|
||||
return createStartCommand(context, entity);
|
||||
case TASK_CANCEL:
|
||||
return createCancelCommand(context, entity);
|
||||
case TASK_STOP:
|
||||
return createStopCommand(context, entity);
|
||||
case TASK_STATE:
|
||||
return createStateCommand(context, entity);
|
||||
default:
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 创建停止命令
|
||||
*
|
||||
* @return {@link StopCommand}
|
||||
*/
|
||||
private StopCommand createStopCommand(Context context, DownloadEntity entity) {
|
||||
return new StopCommand(context, entity);
|
||||
}
|
||||
/**
|
||||
* 创建获取任务状态的命令
|
||||
*
|
||||
* @return {@link StateCommand}
|
||||
*/
|
||||
private StateCommand createStateCommand(Context context, DownloadEntity entity) {
|
||||
return new StateCommand(context, entity);
|
||||
}
|
||||
|
||||
/**
|
||||
* 创建下载任务命令
|
||||
*
|
||||
* @return {@link AddCommand}
|
||||
*/
|
||||
private AddCommand createAddCommand(Context context, DownloadEntity entity) {
|
||||
return new AddCommand(context, entity);
|
||||
}
|
||||
/**
|
||||
* 创建停止命令
|
||||
*
|
||||
* @return {@link StopCommand}
|
||||
*/
|
||||
private StopCommand createStopCommand(Context context, DownloadEntity entity) {
|
||||
return new StopCommand(context, entity);
|
||||
}
|
||||
|
||||
/**
|
||||
* 创建启动下载命令
|
||||
*
|
||||
* @return {@link StartCommand}
|
||||
*/
|
||||
private StartCommand createStartCommand(Context context, DownloadEntity entity) {
|
||||
return new StartCommand(context, entity);
|
||||
}
|
||||
/**
|
||||
* 创建下载任务命令
|
||||
*
|
||||
* @return {@link AddCommand}
|
||||
*/
|
||||
private AddCommand createAddCommand(Context context, DownloadEntity entity) {
|
||||
return new AddCommand(context, entity);
|
||||
}
|
||||
|
||||
/**
|
||||
* 创建 取消下载的命令
|
||||
*
|
||||
* @return {@link CancelCommand}
|
||||
*/
|
||||
private CancelCommand createCancelCommand(Context context, DownloadEntity entity) {
|
||||
return new CancelCommand(context, entity);
|
||||
}
|
||||
/**
|
||||
* 创建启动下载命令
|
||||
*
|
||||
* @return {@link StartCommand}
|
||||
*/
|
||||
private StartCommand createStartCommand(Context context, DownloadEntity entity) {
|
||||
return new StartCommand(context, entity);
|
||||
}
|
||||
|
||||
/**
|
||||
* 创建 取消下载的命令
|
||||
*
|
||||
* @return {@link CancelCommand}
|
||||
*/
|
||||
private CancelCommand createCancelCommand(Context context, DownloadEntity entity) {
|
||||
return new CancelCommand(context, entity);
|
||||
}
|
||||
}
|
||||
|
@ -1,6 +1,7 @@
|
||||
package com.arialyy.downloadutil.core.command;
|
||||
|
||||
import android.content.Context;
|
||||
|
||||
import com.arialyy.downloadutil.core.DownloadTarget;
|
||||
import com.arialyy.downloadutil.core.IDownloadTarget;
|
||||
import com.arialyy.downloadutil.entity.DownloadEntity;
|
||||
@ -11,38 +12,38 @@ import com.arialyy.downloadutil.help.CheckHelp;
|
||||
* 下载命令
|
||||
*/
|
||||
public abstract class IDownloadCommand {
|
||||
protected IDownloadTarget target;
|
||||
protected Context mContext;
|
||||
protected DownloadEntity mEntity;
|
||||
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;
|
||||
/**
|
||||
* @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;
|
||||
}
|
||||
target = DownloadTarget.getInstance(context);
|
||||
mContext = context;
|
||||
mEntity = entity;
|
||||
}
|
||||
|
||||
public Context getContext() {
|
||||
return mContext;
|
||||
}
|
||||
public Context getContext() {
|
||||
return mContext;
|
||||
}
|
||||
|
||||
/**
|
||||
* 执行命令
|
||||
*/
|
||||
public abstract void executeComment();
|
||||
/**
|
||||
* 执行命令
|
||||
*/
|
||||
public abstract void executeComment();
|
||||
|
||||
/**
|
||||
* 设置下载器
|
||||
*
|
||||
* @param downloadTarget {@link IDownloadTarget}
|
||||
*/
|
||||
public void setDownloadTarget(IDownloadTarget downloadTarget) {
|
||||
target = downloadTarget;
|
||||
}
|
||||
/**
|
||||
* 设置下载器
|
||||
*
|
||||
* @param downloadTarget {@link IDownloadTarget}
|
||||
*/
|
||||
public void setDownloadTarget(IDownloadTarget downloadTarget) {
|
||||
target = downloadTarget;
|
||||
}
|
||||
}
|
||||
|
@ -1,6 +1,7 @@
|
||||
package com.arialyy.downloadutil.core.command;
|
||||
|
||||
import android.content.Context;
|
||||
|
||||
import com.arialyy.downloadutil.entity.DownloadEntity;
|
||||
|
||||
/**
|
||||
@ -9,11 +10,11 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
|
||||
*/
|
||||
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));
|
||||
}
|
||||
}
|
||||
|
@ -1,6 +1,7 @@
|
||||
package com.arialyy.downloadutil.core.command;
|
||||
|
||||
import android.content.Context;
|
||||
|
||||
import com.arialyy.downloadutil.entity.DownloadEntity;
|
||||
|
||||
/**
|
||||
@ -9,15 +10,15 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
|
||||
*/
|
||||
class StateCommand extends IDownloadCommand {
|
||||
|
||||
/**
|
||||
* @param context context
|
||||
* @param entity 下载实体
|
||||
*/
|
||||
StateCommand(Context context, DownloadEntity entity) {
|
||||
super(context, entity);
|
||||
}
|
||||
/**
|
||||
* @param context context
|
||||
* @param entity 下载实体
|
||||
*/
|
||||
StateCommand(Context context, DownloadEntity entity) {
|
||||
super(context, entity);
|
||||
}
|
||||
|
||||
@Override public void executeComment() {
|
||||
target.getTaskState(mEntity);
|
||||
}
|
||||
@Override public void executeComment() {
|
||||
target.getTaskState(mEntity);
|
||||
}
|
||||
}
|
||||
|
@ -1,6 +1,7 @@
|
||||
package com.arialyy.downloadutil.core.command;
|
||||
|
||||
import android.content.Context;
|
||||
|
||||
import com.arialyy.downloadutil.entity.DownloadEntity;
|
||||
|
||||
/**
|
||||
@ -9,15 +10,15 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
|
||||
*/
|
||||
class StopCommand extends IDownloadCommand {
|
||||
|
||||
/**
|
||||
* @param context context
|
||||
* @param entity 下载实体
|
||||
*/
|
||||
StopCommand(Context context, DownloadEntity entity) {
|
||||
super(context, entity);
|
||||
}
|
||||
/**
|
||||
* @param context context
|
||||
* @param entity 下载实体
|
||||
*/
|
||||
StopCommand(Context context, DownloadEntity entity) {
|
||||
super(context, entity);
|
||||
}
|
||||
|
||||
@Override public void executeComment() {
|
||||
target.stopTask(target.getTask(mEntity));
|
||||
}
|
||||
@Override public void executeComment() {
|
||||
target.stopTask(target.getTask(mEntity));
|
||||
}
|
||||
}
|
||||
|
@ -7,31 +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);
|
||||
/**
|
||||
* 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);
|
||||
/**
|
||||
* 重试下载
|
||||
*
|
||||
* @param task {@link Task}
|
||||
*/
|
||||
public void reTryStart(Task task);
|
||||
}
|
||||
|
@ -7,46 +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
|
||||
*/
|
||||
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);
|
||||
/**
|
||||
* 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);
|
||||
/**
|
||||
* 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();
|
||||
/**
|
||||
* 获取缓存池的下一个任务
|
||||
*
|
||||
* @return 下载任务 or null
|
||||
*/
|
||||
public Task getNextTask();
|
||||
}
|
||||
|
@ -2,9 +2,11 @@ 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;
|
||||
@ -15,96 +17,99 @@ 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;
|
||||
}
|
||||
|
||||
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);
|
||||
public static CachePool getInstance() {
|
||||
if (INSTANCE == null) {
|
||||
synchronized (LOCK) {
|
||||
INSTANCE = new CachePool();
|
||||
}
|
||||
}
|
||||
return s;
|
||||
}
|
||||
return INSTANCE;
|
||||
}
|
||||
}
|
||||
|
||||
@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;
|
||||
private CachePool() {
|
||||
mCacheQueue = new PriorityQueue<>();
|
||||
mCacheArray = new HashMap<>();
|
||||
}
|
||||
}
|
||||
|
||||
@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 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 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 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 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 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 int size() {
|
||||
return mCacheQueue.size();
|
||||
}
|
||||
@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 int size() {
|
||||
return mCacheQueue.size();
|
||||
}
|
||||
}
|
||||
|
@ -2,9 +2,11 @@ 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;
|
||||
@ -15,137 +17,140 @@ 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;
|
||||
}
|
||||
|
||||
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);
|
||||
public static ExecutePool getInstance() {
|
||||
if (INSTANCE == null) {
|
||||
synchronized (LOCK) {
|
||||
INSTANCE = new ExecutePool();
|
||||
}
|
||||
}
|
||||
}
|
||||
return INSTANCE;
|
||||
}
|
||||
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);
|
||||
private ExecutePool() {
|
||||
mExecuteQueue = new ArrayBlockingQueue<>(SIZE);
|
||||
mExecuteArray = new HashMap<>();
|
||||
}
|
||||
return s;
|
||||
}
|
||||
|
||||
/**
|
||||
* 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");
|
||||
@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);
|
||||
}
|
||||
}
|
||||
}
|
||||
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 pollTask() {
|
||||
synchronized (LOCK) {
|
||||
Task task = mExecuteQueue.poll();
|
||||
if (task != null) {
|
||||
String url = task.getDownloadEntity().getDownloadUrl();
|
||||
mExecuteArray.remove(Util.keyToHashKey(url));
|
||||
}
|
||||
return task;
|
||||
/**
|
||||
* 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 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);
|
||||
/**
|
||||
* 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 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 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(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 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 int size() {
|
||||
return mExecuteQueue.size();
|
||||
}
|
||||
@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 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();
|
||||
}
|
||||
}
|
||||
|
@ -2,6 +2,7 @@ package com.arialyy.downloadutil.entity;
|
||||
|
||||
import android.os.Parcel;
|
||||
import android.os.Parcelable;
|
||||
|
||||
import com.arialyy.downloadutil.orm.DbEntity;
|
||||
|
||||
/**
|
||||
@ -9,179 +10,181 @@ 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;
|
||||
/**
|
||||
* 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;
|
||||
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);
|
||||
public String getStr() {
|
||||
return str;
|
||||
}
|
||||
|
||||
@Override public DownloadEntity[] newArray(int size) {
|
||||
return new DownloadEntity[size];
|
||||
public void setStr(String str) {
|
||||
this.str = str;
|
||||
}
|
||||
};
|
||||
|
||||
@Override public String toString() {
|
||||
return "DownloadEntity{" +
|
||||
"downloadUrl='" + downloadUrl + '\'' +
|
||||
", downloadPath='" + downloadPath + '\'' +
|
||||
", completeTime=" + completeTime +
|
||||
", fileSize=" + fileSize +
|
||||
", state=" + state +
|
||||
", isDownloadComplete=" + isDownloadComplete +
|
||||
", currentProgress=" + currentProgress +
|
||||
", failNum=" + failNum +
|
||||
'}';
|
||||
}
|
||||
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 +
|
||||
'}';
|
||||
}
|
||||
}
|
@ -3,8 +3,10 @@ package com.arialyy.downloadutil.help;
|
||||
import android.content.res.Resources;
|
||||
import android.text.TextUtils;
|
||||
import android.util.Log;
|
||||
|
||||
import com.arialyy.downloadutil.R;
|
||||
import com.arialyy.downloadutil.entity.DownloadEntity;
|
||||
|
||||
import java.io.File;
|
||||
|
||||
/**
|
||||
@ -12,38 +14,38 @@ import java.io.File;
|
||||
* 检查帮助类
|
||||
*/
|
||||
public class CheckHelp {
|
||||
private static final String TAG = "CheckHelp";
|
||||
private static final String TAG = "CheckHelp";
|
||||
|
||||
/**
|
||||
* 检测下载实体是否合法
|
||||
*
|
||||
* @param entity 下载实体
|
||||
* @return 合法(true)
|
||||
*/
|
||||
public static boolean checkDownloadEntity(DownloadEntity entity) {
|
||||
if (entity == null) {
|
||||
Log.w(TAG, Resources.getSystem().getString(R.string.error_entity_null));
|
||||
return false;
|
||||
} 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())) {
|
||||
Log.w(TAG, Resources.getSystem().getString(R.string.error_file_name_null));
|
||||
return false;
|
||||
} else if (TextUtils.isEmpty(entity.getDownloadPath())) {
|
||||
Log.w(TAG, Resources.getSystem().getString(R.string.error_file_name_null));
|
||||
return false;
|
||||
/**
|
||||
* 检测下载实体是否合法
|
||||
*
|
||||
* @param entity 下载实体
|
||||
* @return 合法(true)
|
||||
*/
|
||||
public static boolean checkDownloadEntity(DownloadEntity entity) {
|
||||
if (entity == null) {
|
||||
Log.w(TAG, Resources.getSystem().getString(R.string.error_entity_null));
|
||||
return false;
|
||||
} 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())) {
|
||||
Log.w(TAG, Resources.getSystem().getString(R.string.error_file_name_null));
|
||||
return false;
|
||||
} else if (TextUtils.isEmpty(entity.getDownloadPath())) {
|
||||
Log.w(TAG, Resources.getSystem().getString(R.string.error_download_path_null));
|
||||
return false;
|
||||
}
|
||||
String fileName = entity.getFileName();
|
||||
if (fileName.contains(" ")) {
|
||||
fileName = fileName.replace(" ", "_");
|
||||
}
|
||||
String dPath = entity.getDownloadPath();
|
||||
File file = new File(dPath);
|
||||
if (file.isDirectory()) {
|
||||
dPath += fileName;
|
||||
entity.setDownloadPath(dPath);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
String fileName = entity.getFileName();
|
||||
if (fileName.contains(" ")) {
|
||||
fileName = fileName.replace(" ", "_");
|
||||
}
|
||||
String dPath = entity.getDownloadPath();
|
||||
File file = new File(dPath);
|
||||
if (file.isDirectory()) {
|
||||
dPath += fileName;
|
||||
entity.setDownloadPath(dPath);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
@ -0,0 +1,63 @@
|
||||
package com.arialyy.downloadutil.help;
|
||||
|
||||
import android.os.Environment;
|
||||
|
||||
import java.security.MessageDigest;
|
||||
import java.security.NoSuchAlgorithmException;
|
||||
|
||||
/**
|
||||
* Created by lyy on 2016/9/27.
|
||||
* 下载路径帮助类
|
||||
*/
|
||||
public class PathHelp {
|
||||
|
||||
/**
|
||||
* 下载链接转换保存路径
|
||||
*
|
||||
* @param downloadUrl 下载链接
|
||||
* @return 保存路径
|
||||
*/
|
||||
public static String urlconvertPath(String downloadUrl) {
|
||||
return Environment.getDownloadCacheDirectory().getPath() + "/" + StringToHashKey(
|
||||
downloadUrl);
|
||||
}
|
||||
|
||||
/**
|
||||
* 字符串转换为hash码
|
||||
*
|
||||
* @param str
|
||||
* @return
|
||||
*/
|
||||
public static String StringToHashKey(String str) {
|
||||
String cacheKey;
|
||||
try {
|
||||
final MessageDigest mDigest = MessageDigest.getInstance("MD5");
|
||||
mDigest.update(str.getBytes());
|
||||
cacheKey = bytesToHexString(mDigest.digest());
|
||||
} catch (NoSuchAlgorithmException e) {
|
||||
cacheKey = String.valueOf(str.hashCode());
|
||||
}
|
||||
return cacheKey;
|
||||
}
|
||||
|
||||
/**
|
||||
* 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();
|
||||
}
|
||||
|
||||
}
|
@ -4,7 +4,9 @@ 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;
|
||||
@ -17,176 +19,185 @@ 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) {
|
||||
if (mDb == null) {
|
||||
synchronized (LOCK) {
|
||||
private void init(boolean newTable) {
|
||||
if (mDb == null) {
|
||||
SqlHelper mHelper = new SqlHelper(mContext);
|
||||
mDb = mHelper.getWritableDatabase();
|
||||
mUtil = DbUtil.getInstance(mDb);
|
||||
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);
|
||||
}
|
||||
}
|
||||
}
|
||||
if (newTable && !mUtil.tableExists(this)) {
|
||||
mUtil.createTable(this);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 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 });
|
||||
}
|
||||
|
||||
/**
|
||||
* 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 {
|
||||
/**
|
||||
* 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()) {
|
||||
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);
|
||||
ids[i] = cursor.getInt(cursor.getColumnIndex("rowid"));
|
||||
i++;
|
||||
}
|
||||
} 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);
|
||||
}
|
||||
} catch (InstantiationException e) {
|
||||
e.printStackTrace();
|
||||
} catch (IllegalAccessException e) {
|
||||
e.printStackTrace();
|
||||
} catch (NoSuchMethodException e) {
|
||||
e.printStackTrace();
|
||||
} catch (InvocationTargetException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
cursor.close();
|
||||
return entitys;
|
||||
}
|
||||
cursor.close();
|
||||
return entitys;
|
||||
}
|
||||
}
|
||||
|
@ -4,7 +4,9 @@ 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;
|
||||
|
||||
/**
|
||||
@ -12,311 +14,326 @@ 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) {
|
||||
if (mDbUtil == null) {
|
||||
synchronized (LOCK) {
|
||||
protected static DbUtil getInstance(SQLiteDatabase db) {
|
||||
if (mDbUtil == null) {
|
||||
mDbUtil = new DbUtil(db);
|
||||
synchronized (LOCK) {
|
||||
if (mDbUtil == null) {
|
||||
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;
|
||||
/**
|
||||
* 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;
|
||||
}
|
||||
sb.append(i > 0 ? ", " : "");
|
||||
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());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 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);
|
||||
}
|
||||
|
||||
/**
|
||||
* 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());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 查找某张表是否存在
|
||||
*/
|
||||
protected boolean tableExists(DbEntity dbEntity) {
|
||||
Cursor cursor = null;
|
||||
try {
|
||||
sb.append(field.getName())
|
||||
.append(" = '")
|
||||
.append(field.get(dbEntity).toString())
|
||||
.append("'");
|
||||
} catch (IllegalAccessException e) {
|
||||
e.printStackTrace();
|
||||
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();
|
||||
}
|
||||
i++;
|
||||
}
|
||||
print(MODIFY_DATA, sb.toString());
|
||||
mDb.execSQL(sb.toString());
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 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);
|
||||
}
|
||||
|
||||
/**
|
||||
* 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;
|
||||
/**
|
||||
* 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;
|
||||
}
|
||||
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());
|
||||
}
|
||||
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;
|
||||
}
|
||||
|
||||
/**
|
||||
* 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;
|
||||
}
|
||||
sb.append(i > 0 ? ", " : "");
|
||||
sb.append("'");
|
||||
try {
|
||||
sb.append(field.get(dbEntity)).append("'");
|
||||
} catch (IllegalAccessException e) {
|
||||
e.printStackTrace();
|
||||
Log.v(TAG, str + sql);
|
||||
}
|
||||
|
||||
/**
|
||||
* 关闭数据库
|
||||
*/
|
||||
protected void close() {
|
||||
if (mDb != null) {
|
||||
mDb.close();
|
||||
}
|
||||
i++;
|
||||
}
|
||||
sb.append(")");
|
||||
print(INSERT_DATA, 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;
|
||||
/**
|
||||
* 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;
|
||||
}
|
||||
}
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
} finally {
|
||||
if (cursor != null) cursor.close();
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* 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;
|
||||
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(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());
|
||||
print(ROW_ID, sb.toString());
|
||||
Cursor c = mDb.rawQuery(sb.toString(), null);
|
||||
int id = c.getColumnIndex("rowid");
|
||||
c.close();
|
||||
return id;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 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);
|
||||
}
|
||||
|
||||
/**
|
||||
* 关闭数据库
|
||||
*/
|
||||
protected void close() {
|
||||
if (mDb != null) {
|
||||
mDb.close();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 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;
|
||||
}
|
||||
}
|
@ -10,5 +10,5 @@ import java.lang.annotation.Target;
|
||||
* 表ID字段指定
|
||||
*/
|
||||
@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface Id {
|
||||
int value() default -1;
|
||||
int value() default -1;
|
||||
}
|
||||
|
@ -10,5 +10,5 @@ import java.lang.annotation.Target;
|
||||
* 忽略某个字段
|
||||
*/
|
||||
@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface Ignore {
|
||||
boolean value() default false;
|
||||
boolean value() default false;
|
||||
}
|
||||
|
@ -10,27 +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;
|
||||
protected static String DB_NAME;
|
||||
protected static int VERSION = -1;
|
||||
|
||||
static {
|
||||
if (TextUtils.isEmpty(DB_NAME)) {
|
||||
DB_NAME = "AriaLyyDb";
|
||||
static {
|
||||
if (TextUtils.isEmpty(DB_NAME)) {
|
||||
DB_NAME = "AriaLyyDb";
|
||||
}
|
||||
if (VERSION == -1) {
|
||||
VERSION = 1;
|
||||
}
|
||||
}
|
||||
if (VERSION == -1) {
|
||||
VERSION = 1;
|
||||
|
||||
public SqlHelper(Context context) {
|
||||
super(context, DB_NAME, null, VERSION);
|
||||
}
|
||||
}
|
||||
|
||||
public SqlHelper(Context context) {
|
||||
super(context, DB_NAME, null, VERSION);
|
||||
}
|
||||
@Override public void onCreate(SQLiteDatabase db) {
|
||||
|
||||
@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) {
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -4,6 +4,7 @@ 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;
|
||||
@ -18,450 +19,444 @@ import java.util.Properties;
|
||||
* 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;
|
||||
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;
|
||||
}
|
||||
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));
|
||||
}
|
||||
}
|
||||
}).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";
|
||||
public DownLoadUtil() {
|
||||
}
|
||||
|
||||
@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();
|
||||
}
|
||||
} 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();
|
||||
}
|
||||
}
|
||||
}
|
||||
public IDownloadListener getListener() {
|
||||
return mListener;
|
||||
}
|
||||
|
||||
/**
|
||||
* 将记录写入到配置文件
|
||||
* 获取当前下载位置
|
||||
*/
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 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;
|
||||
|
||||
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 onResume(long resumeLocation) {
|
||||
|
||||
public long getCurrentLocation() {
|
||||
return mCurrentLocation;
|
||||
}
|
||||
|
||||
@Override public void onCancel() {
|
||||
|
||||
public boolean isDownloading() {
|
||||
return isDownloading;
|
||||
}
|
||||
|
||||
@Override public void onFail() {
|
||||
|
||||
/**
|
||||
* 取消下载
|
||||
*/
|
||||
public void cancelDownload() {
|
||||
isCancel = true;
|
||||
}
|
||||
|
||||
@Override public void onPreDownload(HttpURLConnection connection) {
|
||||
|
||||
/**
|
||||
* 停止下载
|
||||
*/
|
||||
public void stopDownload() {
|
||||
isStop = true;
|
||||
}
|
||||
|
||||
@Override public void onProgress(long currentLocation) {
|
||||
|
||||
/**
|
||||
* 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;
|
||||
}
|
||||
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));
|
||||
}
|
||||
}
|
||||
}).start();
|
||||
}
|
||||
|
||||
@Override public void onChildComplete(long finishLocation) {
|
||||
|
||||
private void failDownload(String msg) {
|
||||
Log.e(TAG, msg);
|
||||
isDownloading = false;
|
||||
stopDownload();
|
||||
mListener.onFail();
|
||||
System.gc();
|
||||
}
|
||||
|
||||
@Override public void onStart(long startLocation) {
|
||||
/**
|
||||
* 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();
|
||||
}
|
||||
} 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();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 将记录写入到配置文件
|
||||
*/
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
@Override public void onChildResume(long resumeLocation) {
|
||||
/**
|
||||
* 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;
|
||||
|
||||
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;
|
||||
}
|
||||
}
|
||||
|
||||
@Override public void onStop(long stopLocation) {
|
||||
public static class DownloadListener implements IDownloadListener {
|
||||
|
||||
@Override public void onResume(long resumeLocation) {
|
||||
|
||||
}
|
||||
|
||||
@Override public void onCancel() {
|
||||
|
||||
}
|
||||
|
||||
@Override public void onFail() {
|
||||
|
||||
}
|
||||
|
||||
@Override public void onPreDownload(HttpURLConnection connection) {
|
||||
|
||||
}
|
||||
|
||||
@Override public void onProgress(long currentLocation) {
|
||||
|
||||
}
|
||||
|
||||
@Override public void onChildComplete(long finishLocation) {
|
||||
|
||||
}
|
||||
|
||||
@Override public void onStart(long startLocation) {
|
||||
|
||||
}
|
||||
|
||||
@Override public void onChildResume(long resumeLocation) {
|
||||
|
||||
}
|
||||
|
||||
@Override public void onStop(long stopLocation) {
|
||||
|
||||
}
|
||||
|
||||
@Override public void onComplete() {
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
@Override public void onComplete() {
|
||||
|
||||
}
|
||||
}
|
||||
}
|
@ -6,53 +6,53 @@ import java.net.HttpURLConnection;
|
||||
* 下载监听
|
||||
*/
|
||||
public interface IDownloadListener {
|
||||
/**
|
||||
* 取消下载
|
||||
*/
|
||||
public void onCancel();
|
||||
/**
|
||||
* 取消下载
|
||||
*/
|
||||
public void onCancel();
|
||||
|
||||
/**
|
||||
* 下载失败
|
||||
*/
|
||||
public void onFail();
|
||||
/**
|
||||
* 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);
|
||||
/**
|
||||
* 下载监听
|
||||
*/
|
||||
public void onProgress(long currentLocation);
|
||||
|
||||
/**
|
||||
* 单一线程的结束位置
|
||||
*/
|
||||
public void onChildComplete(long finishLocation);
|
||||
/**
|
||||
* 单一线程的结束位置
|
||||
*/
|
||||
public void onChildComplete(long finishLocation);
|
||||
|
||||
/**
|
||||
* 开始
|
||||
*/
|
||||
public void onStart(long startLocation);
|
||||
/**
|
||||
* 开始
|
||||
*/
|
||||
public void onStart(long startLocation);
|
||||
|
||||
/**
|
||||
* 子程恢复下载的位置
|
||||
*/
|
||||
public void onChildResume(long resumeLocation);
|
||||
/**
|
||||
* 子程恢复下载的位置
|
||||
*/
|
||||
public void onChildResume(long resumeLocation);
|
||||
|
||||
/**
|
||||
* 恢复位置
|
||||
*/
|
||||
public void onResume(long resumeLocation);
|
||||
/**
|
||||
* 恢复位置
|
||||
*/
|
||||
public void onResume(long resumeLocation);
|
||||
|
||||
/**
|
||||
* 停止
|
||||
*/
|
||||
public void onStop(long stopLocation);
|
||||
/**
|
||||
* 停止
|
||||
*/
|
||||
public void onStop(long stopLocation);
|
||||
|
||||
/**
|
||||
* 下载完成
|
||||
*/
|
||||
public void onComplete();
|
||||
/**
|
||||
* 下载完成
|
||||
*/
|
||||
public void onComplete();
|
||||
}
|
@ -1,6 +1,7 @@
|
||||
package com.arialyy.downloadutil.util;
|
||||
|
||||
import android.util.Log;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.FileOutputStream;
|
||||
@ -15,212 +16,212 @@ import java.util.Properties;
|
||||
* Created by lyy on 2016/1/22.
|
||||
*/
|
||||
public class Util {
|
||||
private static final String TAG = "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;
|
||||
}
|
||||
|
||||
/**
|
||||
* 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;
|
||||
}
|
||||
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();
|
||||
}
|
||||
|
||||
/**
|
||||
* 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)";
|
||||
/**
|
||||
* 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;
|
||||
}
|
||||
|
||||
double megaByte = kiloByte / 1024;
|
||||
if (megaByte < 1) {
|
||||
BigDecimal result1 = new BigDecimal(Double.toString(kiloByte));
|
||||
return result1.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "KB";
|
||||
/**
|
||||
* 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;
|
||||
}
|
||||
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();
|
||||
}
|
||||
|
||||
double gigaByte = megaByte / 1024;
|
||||
if (gigaByte < 1) {
|
||||
BigDecimal result2 = new BigDecimal(Double.toString(megaByte));
|
||||
return result2.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "MB";
|
||||
/**
|
||||
* 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;
|
||||
}
|
||||
|
||||
double teraBytes = gigaByte / 1024;
|
||||
if (teraBytes < 1) {
|
||||
BigDecimal result3 = new BigDecimal(Double.toString(gigaByte));
|
||||
return result3.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "GB";
|
||||
/**
|
||||
* 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];
|
||||
}
|
||||
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!");
|
||||
/**
|
||||
* 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)";
|
||||
}
|
||||
|
||||
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 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;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
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 + "】");
|
||||
}
|
||||
}
|
||||
// 创建目标文件
|
||||
try {
|
||||
if (!file.exists()) {
|
||||
if (file.createNewFile()) {
|
||||
Log.d(TAG, "创建文件成功:" + file.getAbsolutePath());
|
||||
/**
|
||||
* 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 + "】");
|
||||
}
|
||||
}
|
||||
return file;
|
||||
} else {
|
||||
return file;
|
||||
}
|
||||
} 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();
|
||||
// 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();
|
||||
}
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
return null;
|
||||
}
|
||||
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();
|
||||
/**
|
||||
* 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();
|
||||
}
|
||||
} 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();
|
||||
}
|
||||
}
|
||||
} 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>
|
||||
|
@ -8,7 +8,7 @@ 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);
|
||||
}
|
||||
}
|
Reference in New Issue
Block a user