@Override
protected CollageRegionData performLoad() throws Exception {
final File filesDir = CommonUtils.getCacheFileDir();
if (null == filesDir) {
throw new DiskWriteException();
}
final File outputFile = new File(filesDir, String.format(IMAGE_NAME, mCollageRegion.getId()));
if (outputFile.exists() && !outputFile.delete()) {
throw new DiskWriteException();
}
final HttpURLConnection connection =
(HttpURLConnection) new URL(mPost.getStandardResolutionImage().getUrl()).openConnection();
connection.setUseCaches(true);
final int responseCode = connection.getResponseCode();
if (responseCode >= 300) {
connection.disconnect();
throw new InternalServerException();
}
CommonUtils.writeNetworkStreamToAnOtherStream(
connection.getInputStream(), new FileOutputStream(outputFile));
connection.disconnect();
if (outputFile.exists()) {
return new CollageRegionData(outputFile);
} else {
throw new DiskWriteException();
}
}
