PostConstructHandler


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the License).  You may not use this file except in
5    * compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9    * glassfish/bootstrap/legal/CDDLv1.0.txt.
10   * See the License for the specific language governing 
11   * permissions and limitations under the License.
12   * 
13   * When distributing Covered Code, include this CDDL 
14   * Header Notice in each file and include the License file 
15   * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
16   * If applicable, add the following below the CDDL Header, 
17   * with the fields enclosed by brackets [] replaced by
18   * you own identifying information: 
19   * "Portions Copyrighted [year] [name of copyright owner]"
20   * 
21   * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22   */
23  package com.sun.enterprise.deployment.annotation.handlers;
24  
25  import java.lang.annotation.Annotation  ;
26  import java.lang.annotation.ElementType  ;
27  import java.lang.reflect.AnnotatedElement  ;
28  import java.lang.reflect.Method  ;
29  
30  import javax.annotation.PostConstruct;
31  
32  import com.sun.enterprise.deployment.LifecycleCallbackDescriptor;
33  import com.sun.enterprise.deployment.annotation.AnnotationInfo;
34  import com.sun.enterprise.deployment.annotation.AnnotationProcessorException;
35  import com.sun.enterprise.deployment.annotation.HandlerProcessingResult;
36  import com.sun.enterprise.deployment.annotation.context.ResourceContainerContext;
37  
38  /**
39   * This handler is responsible for handling javax.annotation.PostConstruct 
40   *
41   */
42  public class PostConstructHandler extends AbstractResourceHandler {
43      
44      public PostConstructHandler() {
45      }
46      
47      /**
48       * @return the annoation type this annotation handler is handling
49       */
50      public Class  <? extends Annotation  > getAnnotationType() {
51          return PostConstruct.class;
52      }    
53          
54      protected HandlerProcessingResult processAnnotation(AnnotationInfo ainfo,
55              ResourceContainerContext[] rcContexts)
56              throws AnnotationProcessorException {
57  
58          PostConstruct postConstructAn =
59                  (PostConstruct)ainfo.getAnnotation();
60          Method   annMethod = (Method  )ainfo.getAnnotatedElement();
61          String   pcMethodName = annMethod.getName();
62          String   pcClassName = annMethod.getDeclaringClass().getName();
63  
64          for (ResourceContainerContext rcContext : rcContexts) {
65              LifecycleCallbackDescriptor postConstructDesc =
66                     new LifecycleCallbackDescriptor();
67              postConstructDesc.setLifecycleCallbackClass(pcClassName);
68              postConstructDesc.setLifecycleCallbackMethod(pcMethodName);
69              // override by xml is handled in addPostConstructDescriptor
70              rcContext.addPostConstructDescriptor(postConstructDesc);
71          }
72  
73          return getDefaultProcessedResult();
74      }
75  }
76
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