InstrumentingPhaseListener.java

/*
 * Copyright 2004-2006 The Apache Software Foundation.
 *
 * 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.apache.myfaces.lifecycle;

import java.util.ArrayList;
import java.util.List;

import javax.faces.event.PhaseEvent;
import javax.faces.event.PhaseId;
import javax.faces.event.PhaseListener;

public class InstrumentingPhaseListener implements PhaseListener {
	private static final long serialVersionUID = -3222250142846233648L;
	private PhaseId listenPhaseId = null;
	private PhaseId eventPhaseId = null;
	private boolean before = true;
	private boolean after = true;
	private boolean render = false;
	private boolean complete = false;
	private List afterPhases = new ArrayList();
	private List beforePhases = new ArrayList();

	public InstrumentingPhaseListener() {
	}

	public InstrumentingPhaseListener(PhaseId interestingPhaseId) {
		this.listenPhaseId = interestingPhaseId;
	}
	
	public void afterPhase(PhaseEvent event) {
		afterPhases.add(event.getPhaseId());
		if(null != eventPhaseId && event.getPhaseId().equals(eventPhaseId)) {
			if(after && render) {
				event.getFacesContext().renderResponse();
			} else if(after && complete) {
				event.getFacesContext().responseComplete();
			}
		}
	}

	public void beforePhase(PhaseEvent event) {
		beforePhases.add(event.getPhaseId());
		if(null != eventPhaseId && event.getPhaseId().equals(eventPhaseId)) {
			if(before && render) {
				event.getFacesContext().renderResponse();
			} else if(before && complete) {
				event.getFacesContext().responseComplete();
			}
		}
	}

	public boolean isBefore() {
		return before;
	}

	public void setBefore(boolean before) {
		this.before = before;
	}

	public boolean isAfter() {
		return after;
	}

	public void setAfter(boolean after) {
		this.after = after;
	}

	public boolean isComplete() {
		return complete;
	}

	public void setComplete(boolean complete) {
		this.complete = complete;
	}

	public boolean isRender() {
		return render;
	}

	public void setRender(boolean render) {
		this.render = render;
	}

	public PhaseId getPhaseId() {
		if(null == listenPhaseId) {
			return PhaseId.ANY_PHASE;
		}
		return listenPhaseId;
	}

	public void setEventPhaseId(PhaseId phaseId) {
		this.eventPhaseId = phaseId;
	}

	public List getAfterPhases() {
		return afterPhases;
	}

	public List getBeforePhases() {
		return beforePhases;
	}

	
}