upnp/samples/binarylight/src/main/java/org/apache/felix/upnp/sample/binaryLight/LightModel.java

/* 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.felix.upnp.sample.binaryLight;

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;

import org.apache.felix.upnp.extra.util.EventSource;

/* 
* @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
*/

public class LightModel implements EventSource{
	
	private boolean status = false;
	private boolean target = false;
	private boolean failure = false;
	private PropertyChangeSupport propertySupport = new PropertyChangeSupport(this);
	
	public LightModel(){	
	}
	
	public void addPropertyChangeListener(PropertyChangeListener listener){
		propertySupport.addPropertyChangeListener(listener);
	}
	
	public void removePropertyChangeListener(PropertyChangeListener listener){
		propertySupport.removePropertyChangeListener(listener);
	}
	public void addPropertyChangeListener(String propertyName, PropertyChangeListener listener) {
		propertySupport.addPropertyChangeListener(propertyName,listener);
	}

	public void removePropertyChangeListener(String propertyName, PropertyChangeListener listener) {
		propertySupport.removePropertyChangeListener(propertyName,listener);
	}
	
	public void doSwitch(boolean value){
		if (value) switchOn();
		else switchOff();
	}
	
	public void switchOn(){
		target = true;
		if(! failure) {
			boolean oldStatus = status;
			status = true;
			propertySupport.firePropertyChange("Status",oldStatus,status);
		}
	}
	
	public void switchOff(){
		target = false;
		if(! failure) {
			boolean oldStatus = status;
			status = false;
			propertySupport.firePropertyChange("Status",oldStatus,status);
		}
	}
	
	public void setFailure(boolean value){
		failure = value;
		if (failure){
			status = false;
		}
		else {
			if (target)		{
				status = true;
			}
			else{
				status = false;
			}
		}
		propertySupport.firePropertyChange("Status",!status,status);
		propertySupport.firePropertyChange("Failure",!failure,failure);
	}
	

	/**
	 * @return
	 */
	public boolean getTarget() {
		return target;
	}

	/**
	 * @return
	 */
	public boolean getStatus() {
		return status;
	}



}