/* | |
* 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.myfaces.test.mock.lifecycle; | |
import java.util.HashMap; | |
import java.util.Map; | |
import javax.faces.context.FacesContext; | |
import javax.faces.event.PhaseEvent; | |
import javax.faces.event.PhaseId; | |
import javax.faces.event.PhaseListener; | |
import javax.faces.lifecycle.Lifecycle; | |
import org.apache.commons.logging.Log; | |
import org.apache.commons.logging.LogFactory; | |
/** | |
* This class encapsulates the logic used to call PhaseListeners. It was | |
* needed because of issue 9 of the JSF 1.2 spec. See section 11.3 for more | |
* details. | |
* | |
* @author Stan Silvert | |
* @since 1.0.0 | |
*/ | |
class PhaseListenerManager | |
{ | |
private static final Log log = LogFactory | |
.getLog(PhaseListenerManager.class); | |
private Lifecycle lifecycle; | |
private FacesContext facesContext; | |
private PhaseListener[] phaseListeners; | |
// Tracks success in the beforePhase. Listeners that throw an exception | |
// in beforePhase or were never called because a previous listener threw | |
// an exception should not have its afterPhase called | |
//private Map<PhaseId, boolean[]> listenerSuccessMap = new HashMap<PhaseId, boolean[]>(); | |
private Map listenerSuccessMap = new HashMap(); | |
/** Creates a new instance of PhaseListenerManager */ | |
PhaseListenerManager(Lifecycle lifecycle, FacesContext facesContext, | |
PhaseListener[] phaseListeners) | |
{ | |
this.lifecycle = lifecycle; | |
this.facesContext = facesContext; | |
this.phaseListeners = phaseListeners; | |
} | |
private boolean isListenerForThisPhase(PhaseListener phaseListener, | |
PhaseId phaseId) | |
{ | |
int listenerPhaseId = phaseListener.getPhaseId().getOrdinal(); | |
return (listenerPhaseId == PhaseId.ANY_PHASE.getOrdinal() || listenerPhaseId == phaseId | |
.getOrdinal()); | |
} | |
void informPhaseListenersBefore(PhaseId phaseId) | |
{ | |
boolean[] beforePhaseSuccess = new boolean[phaseListeners.length]; | |
listenerSuccessMap.put(phaseId, beforePhaseSuccess); | |
for (int i = 0; i < phaseListeners.length; i++) | |
{ | |
PhaseListener phaseListener = phaseListeners[i]; | |
if (isListenerForThisPhase(phaseListener, phaseId)) | |
{ | |
try | |
{ | |
phaseListener.beforePhase(new PhaseEvent(facesContext, | |
phaseId, lifecycle)); | |
beforePhaseSuccess[i] = true; | |
} | |
catch (Exception e) | |
{ | |
beforePhaseSuccess[i] = false; // redundant - for clarity | |
log.error("Exception in PhaseListener " | |
+ phaseId.toString() + " beforePhase.", e); | |
return; | |
} | |
} | |
} | |
} | |
void informPhaseListenersAfter(PhaseId phaseId) | |
{ | |
//boolean[] beforePhaseSuccess = listenerSuccessMap.get(phaseId); | |
boolean[] beforePhaseSuccess = (boolean[]) listenerSuccessMap | |
.get(phaseId); | |
for (int i = phaseListeners.length - 1; i >= 0; i--) | |
{ | |
PhaseListener phaseListener = phaseListeners[i]; | |
if (isListenerForThisPhase(phaseListener, phaseId) | |
&& beforePhaseSuccess[i]) | |
{ | |
try | |
{ | |
phaseListener.afterPhase(new PhaseEvent(facesContext, | |
phaseId, lifecycle)); | |
} | |
catch (Exception e) | |
{ | |
log.error("Exception in PhaseListener " | |
+ phaseId.toString() + " afterPhase", e); | |
} | |
} | |
} | |
} | |
} |