package bingo.player;import java.awt.*;import java.awt.event.*;import javax.swing.*;import java.io.*;import java.rmi.*;import java.net.*;import bingo.shared.*;public class Player extends JPanel		    implements ActionListener,			       ItemListener,			       BallListener {    protected PlayerParameters params;    protected static boolean DEBUG = false;    protected ControlPane controlPane;    protected GameStatusLabel gameStatusLabel;    protected LightBoardPane lightBoardPane;    protected JCheckBox beepButton;    protected static int SMALLPAD = 5;    protected static int BIGPAD = 20;    static String register = "Join next game";    static char registerKey = 'j';    static String clear = "Reset";    static char clearKey = 'r';    static String beep = "Beep to announce new balls";    static char beepKey = 'b';    static String gameStatusTitle = "Game Status";    static String windowTitle = "BINGO Player";    private static Toolkit toolkit;    Registrar registrar;    int numCardWindows = 0;    CardWindow[] cardWindows = new CardWindow[3];    protected Ticket ticket;    protected PlayerQueue playerQueue;    public Player() {	super(false);	params = new PlayerParameters();	playerQueue = new PlayerQueue(this);	controlPane = new ControlPane(this);        // status from the game	JPanel statusPane = new JPanel(false);	statusPane.setBorder(		BorderFactory.createTitledBorder(		    gameStatusTitle));	statusPane.setLayout(new BoxLayout(statusPane, BoxLayout.Y_AXIS));        gameStatusLabel = new GameStatusLabel();	gameStatusLabel.setAlignmentX(0.0f);	statusPane.add(gameStatusLabel);        lightBoardPane = new LightBoardPane(0);	lightBoardPane.setAlignmentX(0.0f);	statusPane.add(lightBoardPane);	//Choose where the app beeps whenever a ball arrives.	beepButton = new JCheckBox(beep);	beepButton.setSelected(params.getShouldBeep());	beepButton.setMnemonic(beepKey);	beepButton.addItemListener(this);	beepButton.setAlignmentX(0.0f); 	statusPane.add(beepButton);	setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));	controlPane.setAlignmentX(0.0f); //left align        add(controlPane);	statusPane.setAlignmentX(0.0f); //left align        add(statusPane);	//XXX hack to turn off old-style event handling:	//XXX add any kind of listener to this component	//XXX 1.1 only, I think	addContainerListener(new ContainerAdapter(){});	// Get current status.	playerQueue.postEvent(new StatusRequestEvent(this));	// Initialize the toolkit.	toolkit = Toolkit.getDefaultToolkit();    }    /* Called from AWT event dispatch thread. */    public void itemStateChanged(ItemEvent e) {	if (e.getStateChange() == ItemEvent.SELECTED) {	    params.setShouldBeep(true);	} else {	    params.setShouldBeep(false);	}    }    /* Called from AWT event dispatch thread. */    public void actionPerformed(ActionEvent e) {        String factoryName = null;	String command = e.getActionCommand();        if (command == register) {	    params.setNames(controlPane.nameField.getText(),	                    controlPane.hostField.getText());	    //We didn't used to do the following, since seed isn't	    //a saved property, but the alternative (doing	    //invokeAndWait when you really need the value)	    //might be prone to deadlock.	    params.setSeed(Long.parseLong(controlPane.seedField.getText()));	    playerQueue.postEvent(new RegisterEvent(this));	} else if (command == clear) {	    clearGame();        } else {	    int numCards;	    try {		numCards = Integer.parseInt(command);	        params.setNumCards(numCards);	    } catch (Throwable exc) {		//Ignore the action since we don't understand it.	    }	}    }    /* Can be invoked from any thread. */    public void showServerStatus(String message) {	if (gameStatusLabel != null) {	    final String msg = message; //so we can access it in inner class	    SwingUtilities.invokeLater(new Runnable() {		    public void run() {	    		gameStatusLabel.setText(msg);		    }		});	} else {	    System.err.println("Player.gameStatusLabel is null, "			       + "so couldn't say: "			       + message);	} 	if (DEBUG) {	    System.out.println("showServerStatus: " + message);	}    }    /**     * BallListener method.      */    public void noMoreBalls() {	controlPane.gameOver();  //safe from any thread	showServerStatus("Game Over."); //safe from any thread    }    /**     * BallListener method.     */    public void ballCalled(BingoBall b) {	final BingoBall ball = b; //for use in inner class	if (ball.getNumber() != BingoBall.GAME_OVER) {	    SwingUtilities.invokeLater(new Runnable() {	        public void run() {                    lightBoardPane.displayNewBall(ball);	            if (params.getShouldBeep()) {			toolkit.beep();		    }	        }	    });	}    }    /* Called from action event handler (AWT event dispatch thread). */    private void clearGame() {	ticket = null;	for (int i = 0; i < numCardWindows; i++) {	    cardWindows[i].dispose();	}	controlPane.reset();	lightBoardPane.clear();    }    /* Called from player queue thread. */    void handleStatusRequestEvent(StatusRequestEvent event) {	lookUpRegistrar(params.getHostname()); 	if (registrar != null) {	    String statusText = "";	    try {                statusText = registrar.whatsHappening();	    } catch (java.rmi.ConnectException exc) {		if (DEBUG) {		    System.err.println("Not connected to Bingo server.");		    System.err.println("registrar = " + registrar);		}		//XXX Update status?  We aren't connected to the Bingo		//XXX server, but rmiregistry is running.	    } catch (Exception exc) {		System.err.println("Unexpected exception on status request.");                exc.printStackTrace();		return;	    }	    showServerStatus(statusText);  //safe from any thread	}    }    /* Can be safely called from any thread. */    private void lookUpRegistrar(String host) {	if (registrar != null) 	    return;	try {	    registrar = (Registrar)Naming.lookup("//"	                + host + "/Registrar");	} catch (java.rmi.NotBoundException exc) {	    if (DEBUG) {	        System.err.println("Couldn't find BINGO Server running on host "			           + host + ".");	        System.err.println("RMI seems to be running fine."); 	    }	    //XXX Advise them to start up BINGO server.	} catch (java.rmi.UnmarshalException exc) {	    System.err.println("Unmarshal exception on host "			       + host + ".");	    System.err.println("Try recompiling everything and starting over?");	    System.err.println("registrar = " + registrar);	    //XXX Advise the user?  Fatal error?	} catch (java.rmi.ConnectException exc) {	    if (DEBUG) {	        System.err.println("RMI isn't running on "				   + host + ".");	 	System.err.println("Or maybe it is, but it "				   + "started after this program.");	    }	    //XXX Update status?  We aren't connected to the Bingo	    //XXX server, but rmiregistry is running.  I think.	} catch (java.rmi.UnknownHostException exc) {	    System.err.println("Unknown host: "			       + host);	    //XXX Update status?  Ask user to enter another host and retry?	} catch (java.rmi.ConnectIOException exc) {	    System.err.println("Couldn't get to host "			       + host + ".");	    //XXX Update status?  We might have had a network glitch.	} catch (Exception exc) {	    System.err.println("Unexpected exception when "			       + "trying to find registrar.");	    System.err.println("Exception type: "			       + exc.toString());            exc.printStackTrace();	}    }    /* Called from player queue thread. */    void handleRegisterEvent(RegisterEvent event) {	if (registrar == null) {	    lookUpRegistrar(params.getHostname()); 	}	if (registrar == null) {	    return;  //XXX should do this with an exception instead.	}	if (ticket == null) {	    long seed = params.getSeed(); 	    lookUpRegistrar(params.getHostname()); 	    //Get the ticket.	    try {	        ticket = registrar.mayIPlay(params.getName(),			   	            params.getNumCards(),					    seed);	    } catch (java.rmi.ConnectException exc) {	        if (DEBUG) {	            System.err.println("Not connected to Bingo server.");	            System.err.println("registrar = " + registrar);	        }	        //XXX Update status?  We aren't connected to the Bingo	        //XXX server, but rmiregistry is running.		return;	    } catch (Exception exc) {	        System.err.println("Unexpected exception on register attempt.");	        exc.printStackTrace();	        //XXX Update status?  		return;	    }	    //React to registration results.	    try {	        if (ticket.ID != Ticket.DENIED) {		    numCardWindows = ticket.cards.length;		    final Player player = this;		    SwingUtilities.invokeLater(new Runnable() {			    public void run() {			        controlPane.didRegister();				repaint();				//XXX Should delay the following				//XXX (so there's feedback when you				//XXX register)?		                for (int i = 0; i < numCardWindows; i++) {			            cardWindows[i] = new				            CardWindow(ticket.cards[i],					               player);			            cardWindows[i].pack();			            cardWindows[i].setVisible(true);		                }			    }		        });        	    try {	    	        new BallListenerThread(this).start();        	    } catch (java.io.IOException e) {	                if (DEBUG) {	                    System.err.println("IOException on "			                       + "BallListenerThread "					       + "creation/startup.");        	        }		    }	        } else { 		    showServerStatus(ticket.message);		    ticket = null;	        }	    } catch (NullPointerException exc) {	        System.err.println("NullPointerException; probably "			           + "ticket was null");	    } catch (Exception exc) {	        System.err.println("Unexpected exception on register attempt.");	        exc.printStackTrace();	    }	}    }    /* Called from player queue thread. */    void handleIWonEvent(IWonEvent event) {	if (registrar == null) {            showServerStatus("This player isn't connected to a server: "                             + "can't tell a server you won.");	    return;        }	try {	    Answer a = registrar.BINGO(ticket.ID, event.getCard());	    if (a.didIWin) {                showDialog(event.getCardWindow(),		 	   "You won!");            } else {		showServerStatus(a.message);                showDialog(event.getCardWindow(),                           "You didn't win.");            }        } catch (RemoteException e) {	    //...show status?	    System.err.println("RMI Exception when "			       + "informing server of win.");	}    }    protected void showDialog(CardWindow cw, String status) {	final String statusText = status;	final CardWindow cardWindow = cw;	SwingUtilities.invokeLater(new Runnable() {	    public void run() {		cardWindow.showStatusDialog(statusText);	    }	});    }    /**      * Requests that handleIWonEvent be called from     * player queue thread.     */    void IWon(CardWindow cw) {	playerQueue.postEvent(new IWonEvent(this, cw));    }    /*     * Called from either player queue thread or AWT event dispatch     * thread, as appropriate.     * XXX Can be cleaner in 1.2.     */    protected void processEvent(AWTEvent event) {        if (event instanceof StatusRequestEvent) {            if (DEBUG) {                System.out.println("Player processEvent received StatusRequestEvent");            }                  handleStatusRequestEvent((StatusRequestEvent)event);        } else if (event instanceof RegisterEvent) {            if (DEBUG) {                System.out.println("Player processEvent received RegisterEvent");            }                  handleRegisterEvent((RegisterEvent)event);        } else if (event instanceof IWonEvent) {             if (DEBUG) {                System.out.println("Player processEvent received IWonEvent");            }                  handleIWonEvent((IWonEvent)event);        } else {	    super.processEvent(event);	}    }    public static void main(String[] args) {	JFrame frame = new JFrame(windowTitle);	frame.addWindowListener(new WindowAdapter() {		public void windowClosing(WindowEvent e) {		    System.exit(0);	//XXX		}	    });	Player player = new Player();	frame.getContentPane().add("Center", player);	frame.pack();	frame.setVisible(true);    }    public static void fatalError(String message, Exception e) {        e.printStackTrace();        System.err.println(message);        System.err.println("Exiting.....");        System.exit(-1);    }}