/*

  * Copyright 2004-2011 the Seasar Foundation and the Others.

  *

  * 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.seasar.teeda.core.context;

 import javax.faces.FacesException;

 import javax.faces.context.FacesContext;

 import javax.faces.context.FacesContextFactory;

 import javax.faces.lifecycle.Lifecycle;

 import org.seasar.framework.util.AssertionUtil;

 import org.seasar.teeda.core.context.creator.DispatchableFacesContextCreator;

 import org.seasar.teeda.core.context.creator.FacesContextCreator;

 import org.seasar.teeda.core.exception.FacesContextNotFoundRuntimeException;

 /**

  * @author shot

  */

 public class FacesContextFactoryImpl extends FacesContextFactory {

     private FacesContextCreator contextCreator;

     public FacesContextFactoryImpl() {

         contextCreator = new DispatchableFacesContextCreator();

     }

     public FacesContext getFacesContext(Object context, Object request,

             Object response, Lifecycle lifecycle) throws FacesException {

         AssertionUtil.assertNotNull("Context", context);

         AssertionUtil.assertNotNull("Request", request);

         AssertionUtil.assertNotNull("Response", response);

         AssertionUtil.assertNotNull("Lifecycle", lifecycle);

         FacesContext facesContext = contextCreator.create(context, request,

                 response, lifecycle);

         if (facesContext == null) {

             throw new FacesContextNotFoundRuntimeException();

         }

         return facesContext;

     }

 }