| /******************************************************************************* |
| * Copyright (c) 2001, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.sse.ui.contentproperties; |
| |
| import java.util.Hashtable; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Set; |
| |
| public abstract class AbstractSubject implements INotify, ISubject { |
| |
| |
| |
| private static Map listenerList = new Hashtable(); |
| |
| public synchronized void addListener(IContentSettingsListener listener) { |
| listenerList.put(listener, listener); |
| } |
| |
| /* |
| * @see IContentSettingsEventSubject#notifyContentSettingsListeners(Object) |
| */ |
| public synchronized void notifyListeners(org.eclipse.core.resources.IResource changedResource) { |
| |
| Set keys = listenerList.keySet(); |
| Iterator iter = keys.iterator(); |
| |
| while (iter.hasNext()) { |
| IContentSettingsListener csl = (IContentSettingsListener) iter.next(); |
| csl.contentSettingsChanged(changedResource); |
| } |
| } |
| |
| public synchronized void removeListener(IContentSettingsListener listener) { |
| listenerList.remove(listener); |
| } |
| |
| |
| |
| } |