/*

  * 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.impl;

 import org.apache.myfaces.cdi.util.CDIUtils;

 import org.apache.myfaces.spi.InjectionProvider;

 import org.apache.myfaces.spi.InjectionProviderException;

 import javax.enterprise.context.spi.CreationalContext;

 import javax.enterprise.inject.spi.AnnotatedType;

 import javax.enterprise.inject.spi.BeanManager;

 import javax.enterprise.inject.spi.InjectionTarget;

 import javax.faces.context.ExternalContext;

 /**

  *

  * @author Leonardo Uribe

  */

 public class CDIAnnotationInjectionProvider extends InjectionProvider

 {

     private BeanManager beanManager;

     public CDIAnnotationInjectionProvider(ExternalContext externalContext)

     {

         beanManager = CDIUtils.getBeanManager(externalContext);

     }

     @Override

     public Object inject(Object instance) throws InjectionProviderException

     {

         AnnotatedType annoType = beanManager.createAnnotatedType(instance.getClass());

         InjectionTarget target = beanManager.createInjectionTarget(annoType);

         CreationalContext<?> creationalContext =  beanManager.createCreationalContext(null);

         target.inject(instance, creationalContext);

         return creationalContext;

     }

     @Override

     public void postConstruct(Object instance, Object creationMetaData) throws InjectionProviderException

     {

         AnnotatedType annoType = beanManager.createAnnotatedType(instance.getClass());

         InjectionTarget target = beanManager.createInjectionTarget(annoType);

         target.postConstruct(instance);

     }

     @Override

     public void preDestroy(Object instance, Object creationMetaData) throws InjectionProviderException

     {

         if (creationMetaData instanceof CreationalContext)

         {

             AnnotatedType annoType = beanManager.createAnnotatedType(instance.getClass());

             InjectionTarget target = beanManager.createInjectionTarget(annoType);

             target.preDestroy(instance);

             ((CreationalContext)creationMetaData).release();

         }

     }

 }