wamblee.org Git - photos/blob - src/main/java/org/wamblee/photos/model/plumbing/EagerExtension.java

   1 /*
   2  * Copyright 2005-2013 the original author or authors.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.wamblee.photos.model.plumbing;
  17
  18 import java.util.ArrayList;
  19 import java.util.List;
  20
  21 import javax.enterprise.context.ApplicationScoped;
  22 import javax.enterprise.context.spi.Context;
  23 import javax.enterprise.context.spi.CreationalContext;
  24 import javax.enterprise.event.Observes;
  25 import javax.enterprise.inject.spi.AfterDeploymentValidation;
  26 import javax.enterprise.inject.spi.Bean;
  27 import javax.enterprise.inject.spi.BeanManager;
  28 import javax.enterprise.inject.spi.Extension;
  29 import javax.enterprise.inject.spi.ProcessBean;
  30
  31 public class EagerExtension implements Extension {
  32
  33     private List<Bean<?>> eagerBeansList = new ArrayList<Bean<?>>();
  34
  35     public <T> void collect(@Observes ProcessBean<T> event) {
  36         if (event.getAnnotated().isAnnotationPresent(Eager.class) &&
  37             event.getAnnotated().isAnnotationPresent(ApplicationScoped.class)) {
  38             eagerBeansList.add(event.getBean());
  39         }
  40     }
  41
  42     public void load(@Observes AfterDeploymentValidation event,
  43         BeanManager beanManager) {
  44         for (Bean<?> bean : eagerBeansList) {
  45             // note: toString() is important to instantiate the bean
  46             /*
  47             Class main = Object.class;
  48             for (Type type : bean.getTypes()) {
  49                 if (type instanceof Class) {
  50                     Class clazz = (Class) type;
  51                     if (main.isAssignableFrom(clazz)) {
  52                         main = clazz;
  53                     }
  54                 }
  55             }*/
  56             /*
  57             bean.create((CreationalContext) beanManager
  58                 .createCreationalContext(bean));*/
  59             /* beanManager.getReference(bean, main,
  60                  beanManager.createCreationalContext(null)).toString();
  61              beanManager.getReference(bean, main,
  62                  beanManager.createCreationalContext(null)).toString(); */
  63             /*
  64                         beanManager.getReference(bean, bean.getBeanClass(),
  65                             beanManager.createCreationalContext(bean)).toString();
  66                             */
  67
  68             Context context = beanManager.getContext(ApplicationScoped.class);
  69             context.get(bean,
  70                 (CreationalContext) beanManager.createCreationalContext(bean))
  71                 .toString();
  72         }
  73     }
  74 }