testnotifier.java.svn-base

来自「cqME :java framework for TCK test.」· SVN-BASE 代码 · 共 59 行

/*
 * $Id$
 *
 * Copyright 2007 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 only, as published by the Free Software Foundation.
 *
 * 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 version 2 for more details (a copy is
 * included at /legal/license.txt).
 *
 * You should have received a copy of the GNU General Public License
 * version 2 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions.
 *
 */

package com.sun.testme.jtviewer;

import java.util.Collections;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.Set;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

/**
 *
 * @author Alexander Glasman
 */
public class TestNotifier {
    
    private static Set listeners = Collections.synchronizedSet(new LinkedHashSet());
    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(TestNotifier.class);
        synchronized (listeners) {
            Iterator it = listeners.iterator();
            while (it.hasNext())
                ((ChangeListener) it.next()).stateChanged(ev);
            }
        }
}