PropertiesNotifier.java

/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is Forte for Java, Community Edition. The Initial
 * Developer of the Original Code is Sun Microsystems, Inc. Portions
 * Copyright 1997-2000 Sun Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.sysprops;
import java.util.*;
import javax.swing.event.*;
public class PropertiesNotifier {
    /**
     * @associates ChangeListener 
     */
    private static Set listeners = new HashSet ();
    public static void addChangeListener (ChangeListener listener) {
        listeners.add (listener);
    }
    public static void removeChangeListener (ChangeListener listener) {
        listeners.remove (listener);
    }
    public static void changed () {
        ChangeEvent ev = new ChangeEvent (PropertiesNotifier.class);
        Iterator it = listeners.iterator ();
        while (it.hasNext ())
            ((ChangeListener) it.next ()).stateChanged (ev);
    }
}