// send shortcut
  void send(JabberDataBlock data, boolean async) {
    // StaticData.getInstance().roster.theStream.send(data);
    try {
      StringBuffer sb = new StringBuffer();
      data.constructXML(sb);
      StaticData.getInstance().roster.theStream.sendBuf(sb);

    } catch (Exception e) {
      e.printStackTrace();
    }
  }