/*******************************************************************************
 * Copyright (c) 1998, 2009 Oracle. All rights reserved.
 * This program and the accompanying materials are made available under the 
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 
 * which accompanies this distribution. 
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at 
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Oracle - initial API and implementation from Oracle TopLink
 ******************************************************************************/  
package org.eclipse.persistence.testing.models.weaving;

import java.beans.*;

public class TestingPropertyChangeListener implements PropertyChangeListener {

	boolean triggered = false;
	Object source;
	boolean sameSource = false;
	String attribute;
	boolean correctAttribute = false;
	Object oldValue;
	boolean correctOldValue = false;
	Object newValue;
	boolean correctNewValue = false;
	
	public TestingPropertyChangeListener(Object source, String attribute,
		Object oldValue, Object newValue) {
		reset(source, attribute, oldValue, newValue);
	}

	public boolean isTriggered() {
		return triggered;
	}
	
	public Object getSource() {
		return source;
	}
	public void setSource(Object source) {
		this.source = source;
	}
	public boolean isSameSource() {
		return sameSource;
	}
	
	public String getAttribute() {
		return attribute;
	}
	public void setAttribute(String attribute) {
		this.attribute = attribute;
	}
	public boolean isCorrectAttribute() {
		return correctAttribute;
	}

	public Object getOldValue() {
		return oldValue;
	}
	public void setOldValue(Object oldValue) {
		this.oldValue = oldValue;
	}
	public boolean isCorrectOldValue() {
		return correctOldValue;
	}
	
	public Object getNewValue() {
		return newValue;
	}
	public void setNewValue(Object newValue) {
		this.newValue = newValue;
	}
	public boolean isCorrectNewValue() {
		return correctNewValue;
	}
	
	public void reset(Object source, String attribute, Object oldValue,
		Object newValue) {
		triggered = false;
		this.source = source;
		sameSource = false;
		this.attribute = attribute;
		correctAttribute = false;
		this.oldValue = oldValue;
		correctOldValue = false;
		this.newValue = newValue;
		correctNewValue = false;
	}
	
	public void propertyChange(PropertyChangeEvent evt) {
		triggered = true;
		sameSource = (source == evt.getSource());
		correctAttribute = evt.getPropertyName().equals(attribute);
		if (oldValue == null) {
			correctOldValue = evt.getOldValue() == null;
		}
		else {
			correctOldValue = oldValue.equals(evt.getOldValue());
		}
		if (newValue == null) {
			correctNewValue = evt.getNewValue() == null;
		}
		else {
			correctNewValue = newValue.equals(evt.getNewValue());
		}
	}
}
