| /******************************************************************************* |
| * Copyright (c) 2008 Matthew Hall 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: |
| * Matthew Hall - bug 237718 |
| ******************************************************************************/ |
| |
| package org.eclipse.core.internal.databinding.observable; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.eclipse.core.databinding.observable.map.DecoratingObservableMap; |
| import org.eclipse.core.databinding.observable.map.IObservableMap; |
| |
| /** |
| * IObservableMap implementation that prevents modification by consumers. Events |
| * in the originating wrapped map are propagated and thrown from this instance |
| * when appropriate. All mutators throw an UnsupportedOperationException. |
| * |
| * @since 1.0 |
| */ |
| public class UnmodifiableObservableMap extends DecoratingObservableMap { |
| Map unmodifiableMap; |
| |
| /** |
| * @param decorated |
| */ |
| public UnmodifiableObservableMap(IObservableMap decorated) { |
| super(decorated, false); |
| this.unmodifiableMap = Collections.unmodifiableMap(decorated); |
| } |
| |
| public void clear() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public Set entrySet() { |
| getterCalled(); |
| return unmodifiableMap.entrySet(); |
| } |
| |
| public Set keySet() { |
| getterCalled(); |
| return unmodifiableMap.keySet(); |
| } |
| |
| public Object put(Object key, Object value) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void putAll(Map m) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public Object remove(Object key) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public Collection values() { |
| getterCalled(); |
| return unmodifiableMap.values(); |
| } |
| |
| public synchronized void dispose() { |
| unmodifiableMap = null; |
| super.dispose(); |
| } |
| } |