NetworkListener class

public class NetworkListener extends Listener {

    public void connected(Connection c) {

    }

    public void disconnected(Connection c) {

    }

    public void recieved(Connection c, Object obj) {
        if(obj instanceof Packet00LoginRequest) {
            Packet01LoginAnswer loginAnswer = new Packet01LoginAnswer();
            loginAnswer.answer = "Login Success";
            c.sendTCP(loginAnswer);
        }
    }
}