| /******************************************************************************* |
| * Copyright (c) 2013 BSI Business Systems Integration AG. |
| * 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: |
| * BSI Business Systems Integration AG - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.scout.sdk.util.resources; |
| |
| import java.lang.ref.WeakReference; |
| |
| import org.eclipse.core.resources.IResourceChangeEvent; |
| import org.eclipse.core.resources.IResourceChangeListener; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| |
| /** |
| * <h3>{@link WeakResourceChangeListener}</h3> |
| * |
| * @author Matthias Villiger |
| * @since 3.9.0 16.05.2013 |
| */ |
| public class WeakResourceChangeListener implements IResourceChangeListener { |
| |
| private final WeakReference<IResourceChangeListener> m_weakListener; |
| |
| public WeakResourceChangeListener(IResourceChangeListener referent) { |
| m_weakListener = new WeakReference<IResourceChangeListener>(referent); |
| } |
| |
| @Override |
| public void resourceChanged(IResourceChangeEvent event) { |
| IResourceChangeListener listener = m_weakListener.get(); |
| if (listener != null) { |
| listener.resourceChanged(event); |
| } |
| else { |
| ResourcesPlugin.getWorkspace().removeResourceChangeListener(this); |
| } |
| } |
| } |