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Java > Open Source Codes > com > sun > enterprise > deployment > annotation > handlers > RemoveHandler


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 JavaDoc;
26 import java.lang.annotation.ElementType JavaDoc;
27 import java.lang.reflect.AnnotatedElement JavaDoc;
28 import java.lang.reflect.Method JavaDoc;
29
30 import javax.ejb.Remove JavaDoc;
31
32 import com.sun.enterprise.deployment.EjbDescriptor;
33 import com.sun.enterprise.deployment.EjbSessionDescriptor;
34 import com.sun.enterprise.deployment.MethodDescriptor;
35 import com.sun.enterprise.deployment.EjbRemovalInfo;
36
37 import com.sun.enterprise.deployment.annotation.AnnotationInfo;
38 import com.sun.enterprise.deployment.annotation.AnnotationProcessorException;
39 import com.sun.enterprise.deployment.annotation.HandlerProcessingResult;
40 import com.sun.enterprise.deployment.annotation.context.EjbContext;
41
42 /**
43  * This handler is responsible for handling the javax.ejb.Remove attribute
44  *
45  */
46 public class RemoveHandler extends AbstractAttributeHandler {
47     
48     public RemoveHandler() {
49     }
50     
51     /**
52      * @return the annoation type this annotation handler is handling
53      */
54     public Class JavaDoc<? extends Annotation JavaDoc> getAnnotationType() {
55         return Remove JavaDoc.class;
56     }
57         
58     protected HandlerProcessingResult processAnnotation(AnnotationInfo ainfo,
59             EjbContext[] ejbContexts) throws AnnotationProcessorException {
60
61         Remove JavaDoc remove = (Remove JavaDoc) ainfo.getAnnotation();
62
63         for(EjbContext next : ejbContexts) {
64             
65             EjbSessionDescriptor sessionDescriptor =
66                 (EjbSessionDescriptor) next.getDescriptor();
67
68             Method JavaDoc m = (Method JavaDoc) ainfo.getAnnotatedElement();
69             MethodDescriptor removeMethod =
70                 new MethodDescriptor(m, MethodDescriptor.EJB_BEAN);
71
72             EjbRemovalInfo removalInfo =
73                 sessionDescriptor.getRemovalInfo(removeMethod);
74
75             if (removalInfo == null) {
76                 // if this element is not defined in xml
77 // use all information from annotation
78 removalInfo = new EjbRemovalInfo();
79                 removalInfo.setRemoveMethod(removeMethod);
80                 removalInfo.setRetainIfException(remove.retainIfException());
81                 sessionDescriptor.addRemoveMethod(removalInfo);
82             } else {
83                 // if this element is already defined in xml
84 // set the retainIfException only if this subelement
85 // is not defined in xml
86 if (! removalInfo.isRetainIfExceptionSet()) {
87                     removalInfo.setRetainIfException(
88                         remove.retainIfException());
89                 }
90             }
91         }
92         
93         return getDefaultProcessedResult();
94     }
95
96     /**
97      * @return an array of annotation types this annotation handler would
98      * require to be processed (if present) before it processes it's own
99      * annotation type.
100      */
101     public Class JavaDoc<? extends Annotation JavaDoc>[] getTypeDependencies() {
102         return getEjbAnnotationTypes();
103     }
104 }
105
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