public File run(JobContext jc) {
// TODO: utilize etag
jc.setMode(ThreadPool.MODE_NETWORK);
File tempFile = null;
try {
URL url = new URL(mUrl);
tempFile = File.createTempFile("cache", ".tmp", mRoot);
// download from url to tempFile
jc.setMode(ThreadPool.MODE_NETWORK);
boolean downloaded = DownloadUtils.requestDownload(jc, url, tempFile);
jc.setMode(ThreadPool.MODE_NONE);
if (downloaded) return tempFile;
} catch (Exception e) {
Log.e(TAG, String.format("fail to download %s", mUrl), e);
} finally {
jc.setMode(ThreadPool.MODE_NONE);
}
if (tempFile != null) tempFile.delete();
return null;
}
/**
* @param parentFolder
* @return 表示了下载的返回状态
*/
private int downloadXiaomiAds(File parentFolder) {
// TODO: Check wheter the ads already exists.
int ret = NotifyAdsDef.RET_OK;
NotifyAdsCell cell = (NotifyAdsCell) mAdsCell;
String adsImage = cell.imgUrl;
if (null == adsImage) return NotifyAdsDef.RET_ERROR;
ret = DownloadUtils.downFile(mContext, parentFolder, adsImage, cell);
LogUtils.logProcess("下载广告 imgUrl: " + adsImage + " 结果： " + ret);
if (isCancelled() || ret != NotifyAdsDef.RET_OK) {
if (isCancelled()) {
LogUtils.logProcess("asynctask 被cancel");
} else {
NetState curState = NetUtils.getNetState(mContext);
LogUtils.logProcess("网络类型改变，中断下载: " + curState + " " + ret);
}
}
return ret;
}
@Override
protected void onHandleIntent(Intent intent) {
DownloadUtils downloadUtils = new DownloadUtils();
downloadUtils.download(mUrl, this);
}
