/*

  * 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.cdi.view;

 import javax.enterprise.event.Observes;

 import javax.enterprise.inject.spi.AfterBeanDiscovery;

 import javax.enterprise.inject.spi.AnnotatedType;

 import javax.enterprise.inject.spi.BeanManager;

 import javax.enterprise.inject.spi.BeforeBeanDiscovery;

 import javax.enterprise.inject.spi.Extension;

 import javax.faces.view.ViewScoped;

 /**

  * Handle ViewScope related features.

  * 

  * @author Leonardo Uribe

  */

 public class ViewScopeContextExtension implements Extension

 {

     private ViewScopeContextImpl viewScopeContext;

     void beforeBeanDiscovery(

         @Observes final BeforeBeanDiscovery event, BeanManager beanManager)

     {

         event.addScope(ViewScoped.class, true, true);

         // Register ViewScopeBeanHolder as a bean with CDI annotations, so the system

         // can take it into account, and use it later when necessary.

         AnnotatedType appContext = beanManager.createAnnotatedType(ApplicationContextBean.class);

         event.addAnnotatedType(appContext);

         AnnotatedType bean = beanManager.createAnnotatedType(ViewScopeBeanHolder.class);

         event.addAnnotatedType(bean);

     }

     void afterBeanDiscovery(@Observes AfterBeanDiscovery afterBeanDiscovery, BeanManager beanManager)

     {

         viewScopeContext = new ViewScopeContextImpl(beanManager);

         afterBeanDiscovery.addContext(viewScopeContext);

     }

 }