public JSONObject next() {

    try {
      if (activeResultSet != null) {
        String json = TwitterObjectFactory.getRawJSON(activeResultSet.get(i));

        return JSON.parse(json);
      }
    } catch (IndexOutOfBoundsException e) {
      return null;
    } catch (JSONException e) {
      return null;
    }
    return null;
  }