public void getMediaInfoOfFile(MediaClient client, String bucket, String key) {
    GetMediaInfoOfFileResponse mediaInfo = client.getMediaInfoOfFile(bucket, key);
    System.out.println("fileSizeInByte: " + mediaInfo.getFileSizeInByte());
    System.out.println("etag: " + mediaInfo.getEtag());
    System.out.println("type: " + mediaInfo.getType());
}