code: static InputStream getCachedImageStream(URI url, Context context) {
          InputStream imageStream = null;
          if (url != null) {
              if (isCDNURL(url)) {
                  try {
                      FileLruCache cache = getCache(context);
                      imageStream = cache.get(url.toString());
                  } catch (IOException e) {
                      Logger.log(LoggingBehavior.CACHE, Log.WARN, TAG, e.toString());
                  }
              }
          }
  
          return imageStream;
      }
docs: Does not throw if there was an error.