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Java > Open Source Codes > org > jboss > beans > metadata > plugins > AbstractAnnotationMetaData


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.beans.metadata.plugins;
23
24 import java.lang.annotation.Annotation JavaDoc;
25 import java.util.Iterator JavaDoc;
26
27 import org.jboss.annotation.factory.AnnotationCreator;
28 import org.jboss.annotation.factory.ast.TokenMgrError;
29 import org.jboss.beans.metadata.spi.AnnotationMetaData;
30 import org.jboss.beans.metadata.spi.MetaDataVisitor;
31 import org.jboss.beans.metadata.spi.MetaDataVisitorNode;
32 import org.jboss.util.JBossObject;
33 import org.jboss.util.JBossStringBuilder;
34
35 /**
36  * Metadata for an annotation.
37  *
38  * @author <a HREF="adrian@jboss.com">Adrian Brock</a>
39  * @version $Revision: 56022 $
40  */
41 public class AbstractAnnotationMetaData extends JBossObject implements AnnotationMetaData
42 {
43    public String JavaDoc annotation;
44
45    protected Annotation JavaDoc ann;
46    
47    /**
48     * Create a new annotation meta data
49     */
50    public AbstractAnnotationMetaData()
51    {
52       super();
53    }
54
55    public String JavaDoc getAnnotation()
56    {
57       return annotation;
58    }
59
60    public void setAnnotation(String JavaDoc annotation)
61    {
62       this.annotation = annotation;
63    }
64
65    public Annotation JavaDoc getAnnotationInstance()
66    {
67       try
68       {
69          //FIXME [JBMICROCONT-99] [JBAOP-278] Use the loader for the bean?
70 ann = (Annotation JavaDoc)AnnotationCreator.createAnnotation(annotation, Thread.currentThread().getContextClassLoader());
71       }
72       catch (Exception JavaDoc e)
73       {
74          throw new RuntimeException JavaDoc("Error creating annotation for " + annotation, e);
75       }
76       catch(TokenMgrError e)
77       {
78          throw new RuntimeException JavaDoc("Error creating annotation for " + annotation, e);
79       }
80       
81       return ann;
82    }
83    
84    public void initialVisit(MetaDataVisitor visitor)
85    {
86       visitor.initialVisit(this);
87    }
88
89    public void describeVisit(MetaDataVisitor vistor)
90    {
91       vistor.describeVisit(this);
92    }
93
94    public Iterator JavaDoc<? extends MetaDataVisitorNode> getChildren()
95    {
96       return null;
97    }
98    
99    public void toString(JBossStringBuilder buffer)
100    {
101       buffer.append("expr=").append(ann);
102    }
103    
104    public void toShortString(JBossStringBuilder buffer)
105    {
106       buffer.append(ann);
107    }
108 }
109
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