/*
* 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.deltaspike.jsf.impl.listener.request;
import org.apache.deltaspike.core.spi.activation.Deactivatable;
import org.apache.deltaspike.core.util.ClassDeactivationUtils;
import javax.faces.context.FacesContext;
import javax.faces.context.FacesContextFactory;
import javax.faces.lifecycle.Lifecycle;
import org.apache.deltaspike.core.api.provider.BeanProvider;
import org.apache.deltaspike.jsf.spi.scope.window.ClientWindow;
public class DeltaSpikeFacesContextFactory extends FacesContextFactory implements Deactivatable
{
private final FacesContextFactory wrappedFacesContextFactory;
private final boolean deactivated;
private volatile Boolean initialized;
private ClientWindow clientWindow;
/**
* Constructor for wrapping the given {@link FacesContextFactory}
*
* @param wrappedFacesContextFactory wrapped faces-context-factory which should be used
*/
public DeltaSpikeFacesContextFactory(FacesContextFactory wrappedFacesContextFactory)
{
this.wrappedFacesContextFactory = wrappedFacesContextFactory;
this.deactivated = !ClassDeactivationUtils.isActivated(getClass());
}
/**
* Wrapps the created {@link javax.faces.context.FacesContext} with {@link DeltaSpikeFacesContextWrapper}
* <p/>
* {@inheritDoc}
*/
@Override
public FacesContext getFacesContext(Object context,
Object request,
Object response,
Lifecycle lifecycle)
{
FacesContext facesContext =
this.wrappedFacesContextFactory.getFacesContext(context, request, response, lifecycle);
if (facesContext == null || this.deactivated)
{
return facesContext;
}
lazyInit();
return new DeltaSpikeFacesContextWrapper(facesContext, clientWindow);
}
/**
* {@inheritDoc}
*/
@Override
public FacesContextFactory getWrapped()
{
return wrappedFacesContextFactory;
}
private void lazyInit()
{
if (this.initialized == null)
{
init();
}
}
private synchronized void init()
{
// switch into paranoia mode
if (this.initialized == null)
{
this.clientWindow = BeanProvider.getContextualReference(ClientWindow.class, true);
this.initialized = true;
}
}
}