Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2006 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 */

package es.gva.cit.jgdal;

import java.awt.BorderLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import sun.misc.Signal;

import sun.misc.SignalHandler;

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();

                 }

}