/* | |
* 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.extensions.validator.core.startup; | |
import org.apache.myfaces.extensions.validator.internal.UsageCategory; | |
import org.apache.myfaces.extensions.validator.internal.UsageInformation; | |
import javax.faces.FacesException; | |
import javax.faces.context.FacesContext; | |
import javax.faces.event.PhaseListener; | |
import javax.faces.lifecycle.Lifecycle; | |
/** | |
* Wrapper around a Lifecycle that initialise the ExtVal PhaseListeners before an execution of any | |
* phase (except the render view). Solution for the issue EXTVAL-123. | |
* | |
* @author Rudy De Busscher | |
* @author Gerard Petracek | |
* @since x.x.5 | |
*/ | |
@UsageInformation(value = UsageCategory.INTERNAL) | |
class ExtValLifecycleWrapper extends Lifecycle | |
{ | |
private Lifecycle wrapped; | |
private boolean initialized = false; | |
ExtValLifecycleWrapper(Lifecycle wrapped) | |
{ | |
this.wrapped = wrapped; | |
} | |
public void addPhaseListener(PhaseListener phaseListener) | |
{ | |
wrapped.addPhaseListener(phaseListener); | |
} | |
public void execute(FacesContext facesContext) | |
throws FacesException | |
{ | |
if(!this.initialized) | |
{ | |
initializeExtVal(); | |
} | |
wrapped.execute(facesContext); | |
} | |
public PhaseListener[] getPhaseListeners() | |
{ | |
return wrapped.getPhaseListeners(); | |
} | |
public void removePhaseListener(PhaseListener phaseListener) | |
{ | |
wrapped.removePhaseListener(phaseListener); | |
} | |
public void render(FacesContext facesContext) | |
throws FacesException | |
{ | |
// Don't need to initialize ExtVal here because this phase is never the very first one in a system (restore | |
// view is always the first) | |
wrapped.render(facesContext); | |
} | |
private synchronized void initializeExtVal() | |
{ | |
//we don't need further checks - startup listeners are deregistered after the invocation. | |
for (PhaseListener currentPhaseListener : getPhaseListeners()) | |
{ | |
if (currentPhaseListener instanceof AbstractStartupListener) | |
{ | |
currentPhaseListener.beforePhase(null); | |
} | |
} | |
this.initialized = true; | |
} | |
} |