CountApplet.java revision 69e17611504376e4d4603925f8528dfc890fd2c6 
1package sample.rmi;
2
3import java.applet.*;
4import java.awt.*;
5import java.awt.event.*;
6import javassist.tools.rmi.ObjectImporter;
7import javassist.tools.rmi.ObjectNotFoundException;
8import javassist.tools.web.Viewer;
9
10public class CountApplet extends Applet implements ActionListener {
11    private Font font;
12    private ObjectImporter importer;
13    private Counter counter;
14    private AlertDialog dialog;
15    private String message;
16
17    private String paramButton;
18    private String paramName;
19
20    public void init() {
21	paramButton = getParameter("button");
22	paramName = getParameter("name");
23	importer = new ObjectImporter(this);
24	commonInit();
25    }
26
27    /* call this method instead of init() if this program is not run
28     * as an applet.
29     */
30    public void applicationInit() {
31	paramButton = "OK";
32	paramName = "counter";
33	Viewer cl = (Viewer)getClass().getClassLoader();
34	importer = new ObjectImporter(cl.getServer(), cl.getPort());
35	commonInit();
36    }
37
38    private void commonInit() {
39	font = new Font("SansSerif", Font.ITALIC, 40);
40	Button b = new Button(paramButton);
41	b.addActionListener(this);
42	add(b);
43	dialog = new AlertDialog();
44	message = "???";
45    }
46
47    public void destroy() {
48	dialog.dispose();
49    }
50
51    public void start() {
52	try {
53	    counter = (Counter)importer.lookupObject(paramName);
54	    message = Integer.toString(counter.get());
55	}
56	catch (ObjectNotFoundException e) {
57	    dialog.show(e.toString());
58	}
59    }
60
61    public void actionPerformed(ActionEvent e) {
62	counter.increase();
63	message = Integer.toString(counter.get());
64	repaint();
65    }
66
67    public void paint(Graphics g) {
68	g.setFont(font);
69	g.drawRect(50, 50, 100, 100);
70	g.setColor(Color.blue);
71	g.drawString(message, 60, 120);
72    }
73
74    public static void main(String[] args) {
75	Frame f = new Frame("CountApplet");
76	CountApplet ca = new CountApplet();
77	f.add(ca);
78	f.setSize(300, 300);
79	ca.applicationInit();
80	ca.start();
81	f.setVisible(true);
82    }
83}
84