APPLETCONTEXT

implements AppletContext
import java.applet.Applet;
import java.applet.AppletContext;
import java.applet.AppletStub;
import java.applet.AudioClip;
import java.awt.Button;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Panel;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Iterator;
public class MainClass extends Applet implements ActionListener
{
static MainClass myApplet;
static MyStub myStub;
Image im;
public void init()
{
System.out.println("Code base = " + getCodeBase());
System.out.println("Document base = " + getDocumentBase());
System.out.println("\ninit () called");
System.out.println("isActive () returns " + isActive());
Button b = new Button("Visit www.java2s.com");
b.addActionListener(this);
add(b);
b = new Button("Audio");
b.addActionListener(this);
add(b);
String imageName = getParameter("image");
if (imageName != null)
im = getImage(getCodeBase(), imageName);
}
public void start()
{
System.out.println("start () called");
System.out.println("isActive () returns " + isActive());
}
public void paint(Graphics g)
{
if (im != null)
g.drawImage(im, 0, 0, this);
}
public void actionPerformed(ActionEvent e)
{
if (e.getActionCommand().equals("Audio"))
{
String soundName = getParameter("audio");
if (soundName != null)
{
AudioClip ac = getAudioClip(getDocumentBase(), soundName);
ac.play();
}
return;
}
try
{
URL u = new URL("http://www.java2s.com");
getAppletContext().showDocument(u);
}
catch (MalformedURLException exc)
{
System.out.println(e);
}
}
public void stop()
{
System.out.println("stop () called");
System.out.println("isActive () returns " + isActive());
}
public void destroy()
{
System.out.println("destroy () called");
System.out.println("isActive () returns " + isActive());
}
public static void main(String[] args)
{
Frame frame = new Frame("AppletAndApp as an Application");
myApplet = new MainClass();
frame.add(new Panel().add(myApplet));
frame.addNotify();
myApplet.setStub(myStub = new MyStub(args));
myApplet.init();
frame.setSize(300, 200);
frame.setVisible(true);
myStub.setActive(true);
myApplet.start();
frame.addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent w)
{
myStub.setActive(false);
myApplet.stop();
myApplet.destroy();
System.exit(0);
}
}
}
}class MyStub implements AppletStub { private boolean active = false; private Hashtable ht = new Hashtable(); private MyContext context; MyStub(String[] args) { context = new MyContext(); if ((args.length & 1) != 0) return; for (int i = 0; i < u =" null;" u =" new" u =" null;" u =" new" active =" active;" tk =" Toolkit.getDefaultToolkit();"> getStreamKeys() { return null; }}