PreDestroyHandler


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.PreDestroy;
31  
32  import com.sun.enterprise.deployment.LifecycleCallbackDescriptor;
33  import com.sun.enterprise.deployment.annotation.AnnotatedElementHandler;
34  import com.sun.enterprise.deployment.annotation.AnnotationInfo;
35  import com.sun.enterprise.deployment.annotation.AnnotationProcessorException;
36  import com.sun.enterprise.deployment.annotation.HandlerProcessingResult;
37  import com.sun.enterprise.deployment.annotation.context.AppClientContext;
38  import com.sun.enterprise.deployment.annotation.context.ResourceContainerContext;
39  
40  /**
41   * This handler is responsible for handling javax.annotation.PreDestroy 
42   *
43   */
44  public class PreDestroyHandler extends AbstractResourceHandler {
45      
46      public PreDestroyHandler() {
47      }
48      
49      /**
50       * @return the annoation type this annotation handler is handling
51       */
52      public Class  <? extends Annotation  > getAnnotationType() {
53          return PreDestroy.class;
54      }    
55          
56      protected HandlerProcessingResult processAnnotation(AnnotationInfo ainfo,
57              ResourceContainerContext[] rcContexts)
58              throws AnnotationProcessorException {
59  
60          AnnotatedElementHandler aeHandler = ainfo.getProcessingContext().getHandler();
61          PreDestroy preDestroyAn =
62                  (PreDestroy)ainfo.getAnnotation();
63          Method   annMethod = (Method  )ainfo.getAnnotatedElement();
64          String   pdMethodName = annMethod.getName();
65          String   pdClassName = annMethod.getDeclaringClass().getName();
66  
67          for (ResourceContainerContext rcContext : rcContexts) {
68              LifecycleCallbackDescriptor preDestroyDesc =
69                     new LifecycleCallbackDescriptor();
70              preDestroyDesc.setLifecycleCallbackClass(pdClassName);
71              preDestroyDesc.setLifecycleCallbackMethod(pdMethodName);
72              // override by xml is handled in addPreDestroyDescriptor
73              rcContext.addPreDestroyDescriptor(preDestroyDesc);
74          }
75  
76          return getDefaultProcessedResult();
77      }
78  }
79
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