public synchronized Entry get(final JobContext jc) {
jc.setCancelListener(
new CancelListener() {
@Override
public void onCancel() {
mTask.removeProxy(TaskProxy.this);
synchronized (TaskProxy.this) {
mIsCancelled = true;
TaskProxy.this.notifyAll();
}
}
});
while (!mIsCancelled && mEntry == null) {
try {
wait();
} catch (final InterruptedException e) {
Log.w(TAG, "ignore interrupt", e);
}
}
jc.setCancelListener(null);
return mEntry;
}
@Override
public File run(final JobContext jc) {
// TODO: utilize etag
jc.setMode(ThreadPool.MODE_NETWORK);
File tempFile = null;
try {
final URL url = new URL(mUrl);
tempFile = File.createTempFile("cache", ".tmp", mRoot);
// download from url to tempFile
jc.setMode(ThreadPool.MODE_NETWORK);
final boolean downloaded = DownloadUtils.requestDownload(jc, url, tempFile);
jc.setMode(ThreadPool.MODE_NONE);
if (downloaded) return tempFile;
} catch (final 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;
}