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Java > Open Source Codes > org > jboss > reflect > plugins > AnnotationHolder


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2005, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22 package org.jboss.reflect.plugins;
23
24 import org.jboss.reflect.spi.AnnotatedInfo;
25 import org.jboss.reflect.spi.AnnotationValue;
26 import org.jboss.reflect.spi.AnnotationInfo;
27 import org.jboss.util.JBossObject;
28
29 import java.io.Serializable JavaDoc;
30 import java.util.HashMap JavaDoc;
31
32 /**
33  * An annotation holder
34  *
35  * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
36  * @author <a HREF="mailto:adrian@jboss.org">Adrian Brock</a>
37  */
38 public class AnnotationHolder extends JBossObject implements AnnotatedInfo, Serializable JavaDoc
39 {
40    /** serialVersionUID */
41    private static final long serialVersionUID = 3546645408219542832L;
42
43    /** The annotations */
44    protected AnnotationValue[] annotationsArray;
45
46    /** Annotations map Map<String, AnnotationValue> */
47    protected HashMap JavaDoc<String JavaDoc, AnnotationValue> annotationMap;
48
49    /**
50     * Create a new annotation holder
51     */
52    public AnnotationHolder()
53    {
54    }
55
56    /**
57     * Create a new AnnotationHolder.
58     *
59     * @param annotations the annotations
60     */
61    public AnnotationHolder(AnnotationValue[] annotations)
62    {
63       setupAnnotations(annotations);
64    }
65
66    public AnnotationValue[] getAnnotations()
67    {
68       return annotationsArray;
69    }
70
71    public AnnotationValue getAnnotation(String JavaDoc name)
72    {
73       if (annotationMap == null) return null;
74       return annotationMap.get(name);
75    }
76
77    public boolean isAnnotationPresent(String JavaDoc name)
78    {
79       if (annotationMap == null) return false;
80       return annotationMap.containsKey(name);
81    }
82
83    /**
84     * Set up the annotations
85     *
86     * @param annotations the annotations
87     */
88    protected void setupAnnotations(AnnotationValue[] annotations)
89    {
90       if (annotations != null && annotations.length > 0)
91       {
92          this.annotationsArray = annotations;
93          annotationMap = new HashMap JavaDoc<String JavaDoc, AnnotationValue>();
94          for (int i = 0; i < annotations.length; i++)
95          {
96             AnnotationInfo type = annotations[i].getAnnotationType();
97             annotationMap.put(type.getName(), annotations[i]);
98          }
99       }
100    }
101 }
102
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