import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
/**
* ThreadBasedCatcher - Demonstrate catching uncaught exceptions
* thrown in an unrelated Thread.
* @author ian
* @verion $Id: ThreadBasedCatcher.java,v 1.2 2004/03/20 20:43:27 ian Exp $
*/
public class ThreadBasedCatcher extends JFrame{
public static void main(String[] args) {
new ThreadBasedCatcher().setVisible(true);
}
public ThreadBasedCatcher(){
Container cp = getContentPane();
JButton crasher = new JButton("Crash");
cp.add(crasher);
crasher.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
throw new RuntimeException("You asked for it");
}
});
Thread.setDefaultUncaughtExceptionHandler(
new Thread.UncaughtExceptionHandler(){
public void uncaughtException(Thread t, Throwable ex){
System.out.println(
"You crashed thread " + t.getName());
System.out.println(
"Exception was: " + ex.toString());
}
});
pack();
}
}