Groovy example source code file (PropertyChangeProxyTargetBinding.java)

This example Groovy source code file (PropertyChangeProxyTargetBinding.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Groovy tags/keywords

bean, javabean, object, object, propertychangeevent, propertychangelistener, propertychangelistener, propertychangeproxytargetbinding, propertychangeproxytargetbinding, string, string, targetbinding

The Groovy PropertyChangeProxyTargetBinding.java source code

/*
 * Copyright 2008 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.codehaus.groovy.binding;

import org.codehaus.groovy.runtime.InvokerHelper;

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeEvent;

public class PropertyChangeProxyTargetBinding implements TargetBinding {
    Object proxyObject;
    String propertyName;
    PropertyChangeListener listener;

    public PropertyChangeProxyTargetBinding(Object proxyObject, String propertyName, PropertyChangeListener listener) {
        this.proxyObject = proxyObject;
        this.propertyName = propertyName;
        this.listener = listener;
    }

    public void updateTargetValue(Object value) {
        listener.propertyChange(new PropertyChangeEvent(proxyObject, propertyName,
                InvokerHelper.getProperty(proxyObject, propertyName), value));
    }
}