/*
 * Copyright 2004-2015 the original author or authors.
 *
 * 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.springframework.faces.webflow.context.portlet;

import javax.faces.FacesException;
import javax.faces.context.FacesContext;
import javax.faces.context.FacesContextFactory;
import javax.faces.lifecycle.Lifecycle;
import javax.portlet.PortletContext;
import javax.portlet.PortletRequest;
import javax.portlet.PortletResponse;

import org.springframework.faces.webflow.JsfRuntimeInformation;

/**
 * {@link FacesContextFactory} to support portlet environments.
 * @author Phillip Webb
 * @author Rossen Stoyanchev
 */
public class PortletFacesContextFactory extends FacesContextFactory {

	private final FacesContextFactory factory;

	public PortletFacesContextFactory(FacesContextFactory factory) {
		this.factory = factory;
	}


	@Override
	public FacesContextFactory getWrapped() {
		return this.factory;
	}

	@Override
	public FacesContext getFacesContext(Object context, Object request, Object response, Lifecycle lifecycle)
			throws FacesException {
		if (JsfRuntimeInformation.isPortletContext(context)) {
			return new PortletFacesContextImpl((PortletContext) context, (PortletRequest) request,
					(PortletResponse) response);
		}
		return this.factory.getFacesContext(context, request, response, lifecycle);
	}
}