source: java-rpg-portal/PortalThread.java

import javax.swing.*;

/*
 * This class processes messages from the server.
 */

public class PortalThread extends Connection {
        private LostHavenPortal main;

    public PortalThread(String ip, int port, LostHavenPortal main) {
        super(ip, port, "PortalThread");
        
                this.main = main;
    }
    
    protected void processMessage(MessageType type, String input) {
        Player p;
        int id;
        String name;
        boolean online;

        switch(type) {
        case Info:
                if(input.equals("started")) {
                        main.lblServerStatus.setText("online");
                }else if(input.equals("stopped")) {
                        main.lblServerStatus.setText("offline");
                }
                break;
        case Registered:
                id = Integer.parseInt(input.substring(0, input.indexOf(";")));
                input = input.substring(input.indexOf(";")+1);
                name = input.substring(0, input.indexOf(";"));
                input = input.substring(input.indexOf(";")+1);
                online = input.equals("true");
                
                p = new Player(id, name, "");
                
                if(!main.registered.containsKey(name)) {
                        main.addRegList(name, p);
                        if(online) {
                                main.addOnlineList(name);
                        }
                }
                break;
        }
    }
    
    protected void connectionStart() {
        
    }
    
    protected void connectionSuccess() {
        main.lblConnectionStatus.setText("connected");
                sendMessage(MessageType.Admin, "");
    }
    
    protected void connectionFailure() {
        JOptionPane.showMessageDialog(main, "Connection could not be established.");
    }
    
    protected void connectionBreak() {
        JOptionPane.showMessageDialog(main, "Your connection was interrupted");
    }
    
    protected void peerDisconnect() {
        JOptionPane.showMessageDialog(main, "The server disconnected");
    }
    
    protected void connectionEnd() {
        main.registered.clear();
        main.orderedReg.clear();
        main.orderedOnline.clear();
        main.lblConnectionStatus.setText("disconnected");
        main.lblServerStatus.setText("not available");
        main.updateGui();
    }
}