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The private implementation classes of the Apache MyFaces Core JSF-2.0 Implementation
/*
* 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.config.annotation;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import javax.faces.FacesException;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import org.apache.myfaces.spi.impl.SpiUtils;
public abstract class LifecycleProviderFactory {
protected static final String FACTORY_DEFAULT = DefaultLifecycleProviderFactory.class.getName();
private static final String FACTORY_KEY = LifecycleProviderFactory.class.getName();
public static LifecycleProviderFactory getLifecycleProviderFactory()
{
// Since we always provide a StartupFacesContext on initialization time, this is safe:
return getLifecycleProviderFactory(FacesContext.getCurrentInstance().getExternalContext());
}
public static LifecycleProviderFactory getLifecycleProviderFactory(ExternalContext ctx)
{
LifecycleProviderFactory instance = (LifecycleProviderFactory) ctx.getApplicationMap().get(FACTORY_KEY);
if (instance != null)
{
return instance;
}
LifecycleProviderFactory lpf = null;
try
{
if (System.getSecurityManager() != null)
{
final ExternalContext ectx = ctx;
lpf = (LifecycleProviderFactory) AccessController.doPrivileged(new java.security.PrivilegedExceptionAction