Java by API/java.applet/AppletStub

implements AppletStub

   <source lang="java">

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.jexp.ru");
   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.jexp.ru");
     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 < args.length; i += 2)
     ht.put(args[i], args[i + 1]);
 }
 public boolean isActive() {
   return active;
 }
 public URL getDocumentBase() {
   URL u = null;
   try {
     u = new URL("file:/C:./x.html");
   } catch (MalformedURLException e) {
   }
   return u;
 }
 public URL getCodeBase() {
   URL u = null;
   try {
     u = new URL("file:/C:./");
   } catch (MalformedURLException e) {
   }
   return u;
 }
 public String getParameter(String name) {
   return (String) ht.get(name);
 }
 public AppletContext getAppletContext() {
   return context;
 }
 public void appletResize(int width, int height) {
 }
 public void setActive(boolean active) {
   this.active = active;
 }

} class MyContext implements AppletContext {

 public AudioClip getAudioClip(URL url) {
   return Applet.newAudioClip(url);
 }
 public Image getImage(URL url) {
   Toolkit tk = Toolkit.getDefaultToolkit();
   return tk.getImage(url);
 }
 public Applet getApplet(String name) {
   return null;
 }
 public Enumeration getApplets() {
   return null;
 }
 public void showDocument(URL url) {
   System.out.println("Showing document " + url);
 }
 public void showDocument(URL url, String frame) {
   try {
     showDocument(new URL(url.toString() + frame));
   } catch (MalformedURLException e) {
   }
 }
 public void showStatus(String message) {
   System.out.println(message);
 }
 public void setStream(String key, InputStream stream) throws IOException {
 }
 public InputStream getStream(String key) {
   return null;
 }
 public Iterator<String> getStreamKeys() {
   return null;
 }

}

      </source>