/** 初始化DownloadManager */
public synchronized void init(DownloaderManagerConfiguration configuration) {
FileDownloader.init(configuration.getContext(), configuration.getOkHttpClientCustomMaker());
FileDownloader.getImpl().bindService();
ILogger.DEBUG = configuration.isDebug();
FileDownloadLog.NEED_LOG = ILogger.DEBUG;
this.mConfiguration = configuration;
this.mExtFieldMap = configuration.getDbExtField();
mDbController =
new FileDownloaderDBController(
configuration.getContext(),
configuration.getDbVersion(),
mExtFieldMap,
configuration.getDbUpgradeListener());
mAllTasks = mDbController.getAllTasks();
mConnectListenerList = new ArrayList<>();
mListenerManager = new ListenerManager();
mAutoRetryTimes = configuration.getAutoRetryTimes();
mHeaders = configuration.getHeaders();
// 设置下载保存目录
if (!StringUtils.isEmpty(configuration.getDownloadStorePath())) {
FileDownloadUtils.setDefaultSaveRootPath(configuration.getDownloadStorePath());
}
mWaitQueue = new LinkedList<>();
mDownloadingList = Collections.synchronizedList(new ArrayList<FileDownloaderModel>());
mDownloadManager = this;
ShellUtils.execCommand("chmod 777 " + configuration.getDownloadStorePath(), false);
}
/**
* 删除一个任务
*
* @param downloadId
*/
public void deleteTask(int downloadId) {
if (mDbController.deleteTask(downloadId)) {
FileDownloaderModel model = getFileDownloaderModelById(downloadId);
if (model != null) { // 删除文件
new File(model.getPath()).delete();
}
pauseTask(downloadId);
removeDownloadingTask(downloadId);
removeWaitQueueTask(downloadId);
try {
mAllTasks.remove(downloadId);
} catch (Exception e) {
ILogger.e(e);
}
} else {
ILogger.e("delete failure");
}
}
/**
* 添加一个任务 注：同样的URL，保存的目录不一样表示这两次addTask是不同的任务
*
* @param downloaderModel
* @return
*/
public FileDownloaderModel addTask(FileDownloaderModel downloaderModel) {
String url = downloaderModel.getUrl();
String path = downloaderModel.getPath();
if (TextUtils.isEmpty(url)) {
return null;
}
if (TextUtils.isEmpty(path)) {
path = createPath(url);
downloaderModel.setPath(path);
}
ShellUtils.execCommand("chmod 777 " + path, false);
final int id = FileDownloadUtils.generateId(url, path);
FileDownloaderModel model = getFileDownloaderModelById(id);
if (model != null) {
return model;
}
model = mDbController.addTask(downloaderModel);
mAllTasks.put(id, model);
return model;
}
