| gvSIG desktop 1

package es.gva.cit.jgdal;

import sun.misc.Signal;

import sun.misc.SignalHandler;

import java.lang.reflect.*;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.IOException;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JButton;

import java.awt.BorderLayout;

import javax.swing.JLabel;

class DiagSignalHandler implements SignalHandler {

    private SignalHandler oldHandler;

    private static boolean active = false;

    //Static method to install the signal handler

    public static DiagSignalHandler install(String signalName) {

            Signal diagSignal = new Signal(signalName);

        DiagSignalHandler diagHandler = new DiagSignalHandler();

            diagHandler.oldHandler = Signal.handle(diagSignal,diagHandler);

        return diagHandler;

    }

    // Signal handler method

    public void handle(Signal sig) {

        if(active)

          return;

        active = true;

        JFrame frame = new JFrame();

        frame.setSize(400, 150);

        JPanel p = new JPanel();

        JLabel l = new JLabel("SIGSEGV signal handler. Signal: " + sig);

        p.setLayout(new BorderLayout());

        JButton b = new JButton("Close");

        b.addActionListener(new ActionListener() {

                public void actionPerformed(ActionEvent e) {

                        System.out.println("Handler test");

                }

        });

        p.add(l, BorderLayout.NORTH);

        p.add(b, BorderLayout.SOUTH);

        frame.getContentPane().add(p);

        frame.show();

     }

}