JavaxAnnotationResourcesVisitor


1   /**
2    * EasyBeans
3    * Copyright (C) 2006 Bull S.A.S.
4    * Contact: easybeans@objectweb.org
5    *
6    * This library is free software; you can redistribute it and/or
7    * modify it under the terms of the GNU Lesser General Public
8    * License as published by the Free Software Foundation; either
9    * version 2.1 of the License, or any later version.
10   *
11   * This library is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   * Lesser General Public License for more details.
15   *
16   * You should have received a copy of the GNU Lesser General Public
17   * License along with this library; if not, write to the Free Software
18   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
19   * USA
20   *
21   * --------------------------------------------------------------------------
22   * $Id: JavaxAnnotationResourcesVisitor.java 9 2006-02-19 18:53:32Z benoitf $
23   * --------------------------------------------------------------------------
24   */
25  
26  package org.objectweb.easybeans.deployment.annotations.analyzer.classes;
27  
28  import java.util.ArrayList  ;
29  import java.util.List  ;
30  
31  import org.objectweb.easybeans.deployment.annotations.analyzer.JavaxAnnotationResourceVisitor;
32  import org.objectweb.easybeans.deployment.annotations.impl.JAnnotationResource;
33  import org.objectweb.easybeans.deployment.annotations.metadata.ClassAnnotationMetadata;
34  
35  /**
36   * This class manages the handling of &#64;{@link javax.annotation.Resources} annotation.
37   * @author Florent Benoit
38   */
39  public class JavaxAnnotationResourcesVisitor extends JavaxAnnotationResourceVisitor<ClassAnnotationMetadata> {
40  
41      /**
42       * Type of annotation.
43       */
44      public static final String   TYPE = "Ljavax/annotation/Resources;";
45  
46      /**
47       * List of jAnnotationResource object.
48       */
49      private List  <JAnnotationResource> jAnnotationResources = null;
50  
51      /**
52       * Object is added to the list.
53       */
54      private boolean isAdded = false;
55  
56      /**
57       * Constructor.
58       * @param annotationMetadata linked to a class or method metadata
59       */
60      public JavaxAnnotationResourcesVisitor(final ClassAnnotationMetadata annotationMetadata) {
61          super(annotationMetadata);
62          jAnnotationResources = new ArrayList  <JAnnotationResource>();
63      }
64  
65      /**
66       * Visits a primitive value of the annotation.<br>
67       * @param name the value name.
68       * @param value the actual value, whose type must be {@link Byte},
69       *        {@link Boolean}, {@link Character}, {@link Short},
70       *        {@link Integer}, {@link Long}, {@link Float}, {@link Double},
71       *        {@link String} or {@link org.objectweb.asm.Type}.
72       */
73      @Override  
74      public void visit(final String   name, final Object   value) {
75          // list not empty, need to create another reference
76          // at the first item found
77          if (jAnnotationResources.size() > 0 && isAdded) {
78              setJAnnotationResource(new JAnnotationResource());
79              isAdded = false;
80          }
81  
82          // do super code
83          super.visit(name, value);
84      }
85  
86      /**
87       * Visits the end of the annotation. <br>
88       * Creates the object and store it.
89       */
90      @Override  
91      public void visitEnd() {
92          // add object in the list
93          if (!isAdded) {
94              jAnnotationResources.add(getJAnnotationResource());
95              isAdded = true;
96          }
97  
98          // update list
99          getAnnotationMetadata().setJAnnotationResources(jAnnotationResources);
100     }
101 
102     /**
103      * @return type of the annotation (its description)
104      */
105     @Override  
106     public String   getType() {
107         return TYPE;
108     }
109 
110 }
111
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags