ObjectAnnotationVisitor


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: ObjectAnnotationVisitor.java 9 2006-02-19 18:53:32Z benoitf $
23   * --------------------------------------------------------------------------
24   */
25  
26  package org.objectweb.easybeans.deployment.annotations.analyzer;
27  
28  import org.objectweb.asm.AnnotationVisitor;
29  
30  /**
31   * This class manages the handling of single type like String name().
32   * @param <T> the type of annotation metadata.
33   * @param <V> the type of class / erasure (for values).
34   * @author Florent Benoit
35   */
36  public abstract class ObjectAnnotationVisitor<T, V> extends AbsAnnotationVisitor<T> implements AnnotationVisitor, AnnotationType {
37  
38      /**
39       * Internal value in the given type.
40       */
41      private V value = null;
42  
43  
44      /**
45       * Constructor.
46       * @param annotationMetadata linked to a metadata.
47       */
48      public ObjectAnnotationVisitor(final T annotationMetadata) {
49          super(annotationMetadata);
50      }
51  
52  
53      /**
54       * Visits a primitive value of the annotation.
55       * @param name the value name.
56       * @param value the actual value, whose type must be {@link Byte},
57       *        {@link Boolean}, {@link Character}, {@link Short},
58       *        {@link Integer}, {@link Long}, {@link Float}, {@link Double},
59       *        {@link String} or {@link org.objectweb.asm.Type}.
60       */
61      @Override  
62      @SuppressWarnings  ("unchecked")
63      public void visit(final String   name, final Object   value) {
64          this.value = (V) value;
65      }
66  
67      /**
68       * @return value of the object
69       */
70      public V getValue() {
71          return this.value;
72      }
73  
74  
75  }
76
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