001    /*
002     * Copyright 2002-2004 the original author or authors.
003     * 
004     * Licensed under the Apache License, Version 2.0 (the "License"); you may not
005     * use this file except in compliance with the License. You may obtain a copy of
006     * the License at
007     * 
008     * http://www.apache.org/licenses/LICENSE-2.0
009     * 
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
012     * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
013     * License for the specific language governing permissions and limitations under
014     * the License.
015     */
016    package org.springframework.binding.value.support;
017    
018    import java.beans.PropertyChangeListener;
019    
020    import org.springframework.binding.value.ValueModel;
021    
022    /**
023     * @author Keith Donald
024     */
025    public class AbstractValueModelWrapper implements ValueModel, ValueModelWrapper {
026        private final ValueModel wrappedModel;
027    
028        public AbstractValueModelWrapper(ValueModel valueModel) {
029            this.wrappedModel = valueModel;
030        }
031    
032        public Object getValue() {
033            return wrappedModel.getValue();
034        }
035    
036        public final void setValue(Object value) {
037            setValueSilently(value, null);
038        }
039        
040        public void setValueSilently(Object value, PropertyChangeListener listenerToSkip) {
041            wrappedModel.setValueSilently(value, listenerToSkip);
042        }
043    
044        public ValueModel getWrappedValueModel() {
045            return wrappedModel;
046        }
047    
048        public ValueModel getInnerMostWrappedValueModel() {
049            if (wrappedModel instanceof ValueModelWrapper)
050                return ((ValueModelWrapper)wrappedModel).getInnerMostWrappedValueModel();
051    
052            return wrappedModel;
053        }
054    
055        public Object getInnerMostValue() {
056            if (wrappedModel instanceof ValueModelWrapper)
057                return ((ValueModelWrapper)wrappedModel).getInnerMostWrappedValueModel().getValue();
058    
059            return wrappedModel.getValue();
060        }
061    
062        public void addValueChangeListener(PropertyChangeListener listener) {
063            wrappedModel.addValueChangeListener(listener);
064        }
065    
066        public void removeValueChangeListener(PropertyChangeListener listener) {
067            wrappedModel.removeValueChangeListener(listener);
068        }
069    }