KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > jboss > metadata > annotation > AbstractAnnotationImpl


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2006, 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.metadata.annotation;
23
24 import java.lang.annotation.Annotation JavaDoc;
25
26 /**
27  * AbstractAnnotationImpl.
28  *
29  * @author <a HREF="adrian@jboss.com">Adrian Brock</a>
30  * @version $Revision: 45742 $
31  */
32 public class AbstractAnnotationImpl implements Annotation JavaDoc
33 {
34    /** The annotation type */
35    private Class JavaDoc<? extends Annotation JavaDoc> annotationType;
36    
37    /**
38     * Create a new AbstractAnnotationImpl.
39     *
40     * <p>This constructor guesses the annotationType.
41     */
42    @SuppressWarnings JavaDoc("unchecked")
43    public AbstractAnnotationImpl()
44    {
45       for (Class JavaDoc clazz : getClass().getInterfaces())
46       {
47          if (clazz.equals(Annotation JavaDoc.class) == false && (clazz.isAnnotation()))
48          {
49             annotationType = clazz;
50             return;
51          }
52       }
53    }
54    
55    /**
56     * Create a new AbstractAnnotationImpl.
57     *
58     * @param annotationType the annotation type
59     */
60    public AbstractAnnotationImpl(Class JavaDoc<? extends Annotation JavaDoc> annotationType)
61    {
62       this.annotationType = annotationType;
63    }
64    
65    public Class JavaDoc<? extends Annotation JavaDoc> annotationType()
66    {
67       return annotationType;
68    }
69    
70    public boolean equals(Object JavaDoc object)
71    {
72       if (object == this)
73          return true;
74       if (object == null || object instanceof Annotation JavaDoc == false)
75          return false;
76       
77       Annotation JavaDoc other = (Annotation JavaDoc) object;
78       return annotationType.equals(other.annotationType());
79    }
80    
81    public int hashCode()
82    {
83       return annotationType.hashCode();
84    }
85 }
86
Popular Tags