import java.awt.event.*;
import java.awt.*;
import java.net.URL;

publicfinalclass SplashScreen extends Frame {

privatefinal String fImageId;
private MediaTracker fMediaTracker;
private Image fImage;

public SplashScreen(String aImageId) {
/* Implementation Note
   * Args.checkForContent is not called here, in an attempt to minimize 
   * class loading.
   */
if ( aImageId == null || aImageId.trim().length() == 0 ){
thrownew IllegalArgumentException("Image Id does not have content.");
}
   fImageId = aImageId;
}

publicvoid splash(){
   initImageAndTracker();
   setSize(fImage.getWidth(null), fImage.getHeight(null));
   center();

   fMediaTracker.addImage(fImage, 0);
try{
     fMediaTracker.waitForID(0);
}
catch(InterruptedException ie){
     System.out.println("Cannot track image load.");
}

   SplashWindow splashWindow = new SplashWindow(this,fImage);
}

privatevoid initImageAndTracker(){
   fMediaTracker = new MediaTracker(this);
   URL imageURL = SplashScreen.class.getResource(fImageId);
   fImage = Toolkit.getDefaultToolkit().getImage(imageURL);
}

privatevoid center(){
   Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
   Rectangle frame = getBounds();
   setLocation((screen.width - frame.width)/2, (screen.height - frame.height)/2);
}

privateclass SplashWindow extends Window {
private Image fImage;

   SplashWindow(Frame aParent, Image aImage) {
super(aParent);
      fImage = aImage;
      setSize(fImage.getWidth(null), fImage.getHeight(null));
      Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
      Rectangle window = getBounds();
      setLocation((screen.width - window.width) / 2, (screen.height - window.height) / 2);
      setVisible(true);
}
publicvoid paint(Graphics graphics) {
if (fImage != null) {
       graphics.drawImage(fImage,0,0,this);
}
}
}

/**
 * Developer test harness shows the splash screen for a fixed length of 
 * time, without launching the full application.
 */
privatestaticvoid main(String[] args){
   SplashScreen splashScreen = new SplashScreen("images/StocksMonitor.gif");
   splashScreen.splash();
try{
     Thread.sleep(2000);
}
catch(InterruptedException ex) {
     System.out.println(ex);
}
   splashScreen.dispose();
}
}

//Here is an example of a class which launches an application using the above SplashScreen 
publicstaticvoid main(String args[]) {
fSplashScreen = new SplashScreen("images/MyImage.gif");
fSplashScreen.splash();

try
{
Thread.sleep(2000);
}
catch(.....){}

java.awt.EventQueue.invokeLater(new Runnable() {
publicvoid run() {
fSplashScreen.dispose()
}
});