/*

  * 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.flow.impl;

 import java.util.Iterator;

 import javax.faces.context.FacesContext;

 import javax.faces.flow.Flow;

 import org.apache.myfaces.config.FacesConfigurator;

 import org.apache.myfaces.flow.FlowImpl;

 import org.apache.myfaces.spi.FacesFlowProvider;

 import org.apache.myfaces.spi.FacesFlowProviderFactory;

 /**

  *

  * @author Leonardo Uribe

  */

 public class AnnotatedFlowConfigurator

 {

     public static void configureAnnotatedFlows(FacesContext facesContext)

     {

         FacesFlowProviderFactory factory = 

             FacesFlowProviderFactory.getFacesFlowProviderFactory(facesContext.getExternalContext());

         FacesFlowProvider provider = factory.getFacesFlowProvider(facesContext.getExternalContext());

         Iterator<Flow> it = provider.getAnnotatedFlows(facesContext);

         if (it != null)

         {

             if (it.hasNext())

             {

                 FacesConfigurator.enableDefaultWindowMode(facesContext);

             }

             while (it.hasNext())

             {

                 Flow flow = it.next();

                 if (flow instanceof FlowImpl)

                 {

                     ((FlowImpl)flow).freeze();

                 }

                 facesContext.getApplication().getFlowHandler().addFlow(facesContext, flow);

             }

         }

     }

 }