/* * @(#)DatagramMIDlet.java	1.6 03/03/02 * * Copyright (c) 2004 Sun Microsystems, Inc.  All rights reserved. * Use is subject to license terms */package example.datagram;import javax.microedition.midlet.*;import javax.microedition.io.*;import javax.microedition.lcdui.*;public class DatagramMIDlet extends MIDlet implements CommandListener {    private final static String SERVER = "Server";    private final static String CLIENT = "Client";    private static String[] names = {SERVER, CLIENT};    private static Display display;    private Form f;    ChoiceGroup cg;    private boolean isPaused;    private Command exitCommand = new Command("Exit", Command.EXIT, 1);    private Command startCommand = new Command("Start", Command.ITEM, 1);    public DatagramMIDlet() {        display = Display.getDisplay(this);        f = new Form("Datagram Demo");        cg = new ChoiceGroup("Please select peer",                                            Choice.EXCLUSIVE, names, null);        f.append(cg);        f.addCommand(exitCommand);        f.addCommand(startCommand);        f.setCommandListener(this);        display.setCurrent(f);    }    public static Display getDisplay() {        return display;    }    public boolean isPaused() {        return isPaused;    }    public void startApp() {        isPaused = false;    }    public void pauseApp() {        isPaused = true;    }    public void destroyApp(boolean unconditional) {    }    public void commandAction(Command c, Displayable s) {        if (c == exitCommand) {            destroyApp(true);            notifyDestroyed();        } else if (c == startCommand) {            String name = cg.getString(cg.getSelectedIndex());            if (name.equals(SERVER)) {                Server server = new Server(this);                server.start();            } else {                Client client = new Client(this);                client.start();            }        }    }}