/* * @(#)SocketMIDlet.java	1.6 03/10/29 * * Copyright (c) 2000-2003 Sun Microsystems, Inc. All rights reserved.  * PROPRIETARY/CONFIDENTIAL * Use is subject to license terms */package socket;import javax.microedition.midlet.*;import javax.microedition.io.*;import javax.microedition.lcdui.*;import java.io.*;public class SocketMIDlet extends MIDlet implements CommandListener {    private static final String SERVER = "Server";    private static final String CLIENT = "Client";    private static final String[] names = {SERVER, CLIENT};    private static Display display;    private Form f;    private ChoiceGroup cg;    private boolean isPaused;    private Server server;    private Client client;    private Command exitCommand = new Command("Exit", Command.EXIT, 1);    private Command startCommand = new Command("Start", Command.ITEM, 1);    public SocketMIDlet() {        display = Display.getDisplay(this);        f = new Form("Socket 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 boolean isPaused() {        return isPaused;    }    public void startApp() {        isPaused = false;    }    public void pauseApp() {        isPaused = true;    }    public void destroyApp(boolean unconditional) {        if (server != null) {            server.stop();        }        if (client != null) {            client.stop();        }    }    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 = new Server(this);                server.start();            } else {                client = new Client(this);                client.start();            }        }    }}