private FilterInputStream getFromCache(String url) throws Exception {
DiskLruCache cache = DiskLruCache.open(CommonUtil.getImageSavePath(), 1, 2, 2 * 1024 * 1024);
cache.flush();
String key = Util.hash(url);
final DiskLruCache.Snapshot snapshot;
try {
snapshot = cache.get(key);
if (snapshot == null) {
return null;
}
} catch (IOException e) {
return null;
}
FilterInputStream bodyIn =
new FilterInputStream(snapshot.getInputStream(1)) {
@Override
public void close() throws IOException {
snapshot.close();
super.close();
}
};
return bodyIn;
}
