@Override
    public IQ handleIQ(IQ packet) {
        if (Type.get.equals(packet.getType())) {
            return IQ.createResultIQ(packet);
        }
        return null;
    }
Constructs a new handler that will process XMPP Ping request.
xmppserver/src/main/java/org/jivesoftware/openfire/handler/IQPingHandler.java