public static PostRequestJson isCollected(
     BaseFragment fragment, int commentId, Callback callback) {
   IdParam idParam = new IdParam(commentId);
   final String json = QueryJson.idToString(fragment, idParam);
   String url = PathConstant.BASE_URL + PathConstant.RECOMMEND_COLLECT + PathConstant.IS_COLLECTED;
   PostRequestJson mRequestJson = new PostRequestJson(url, json, callback);
   Log.i(TAG, url);
   Log.i(TAG, json);
   HttpManager.getInstance().exeRequest(mRequestJson);
   return mRequestJson;
 }