@Override
 public void connected(XMPPConnection connection) {
   LOG.info("Jabber connected");
   if (mySubscribeListener == null) {
     mySubscribeListener = new MySubscribeListener();
     connection.addPacketListener(mySubscribeListener, new PacketTypeFilter(Presence.class));
   }
   if (myMessageListener == null) {
     myMessageListener = new MyMessageListener();
     connection.addPacketListener(myMessageListener, new PacketTypeFilter(Message.class));
   }
 }