Java tutorial
/******************************************************************************* * Copyright 2016 Guy Davenport * * 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 uno.informatics.data.pojo; import java.beans.PropertyChangeListener; import java.beans.PropertyChangeSupport; import java.io.IOException; import org.apache.commons.lang3.builder.ToStringBuilder; public class PropertyHandler { private transient PropertyChangeSupport propertyChangeSupport; public PropertyHandler() { propertyChangeSupport = new PropertyChangeSupport(this); } @Override public String toString() { return ToStringBuilder.reflectionToString(this); } public final synchronized void addPropertyChangeListener(PropertyChangeListener listener) { propertyChangeSupport.addPropertyChangeListener(listener); } public final synchronized void removePropertyChangeListener(PropertyChangeListener listener) { propertyChangeSupport.removePropertyChangeListener(listener); } protected final PropertyChangeSupport getPropertyChangeSupport() { return propertyChangeSupport; } private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException { in.defaultReadObject(); propertyChangeSupport = new PropertyChangeSupport(this); } }