public TransportHandler getTransportHandler() {
        return (TransportHandler) modules.get(TransportHandler.class);
    }
Returns the <code>TransportHandler</code> registered with this server. The
<code>TransportHandler</code> was registered with the server as a module while starting up
the server.

@return the <code>TransportHandler</code> registered with this server.
xmppserver/src/main/java/org/jivesoftware/openfire/XMPPServer.java