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Java > Open Source Codes > org > jboss > ejb > InterceptorsImpl


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.ejb;
23
24 import java.util.ArrayList JavaDoc;
25 import java.util.List JavaDoc;
26
27 /**
28  * // *
29  *
30  * @author <a HREF="mailto:bill@jboss.org">William DeCoste</a>
31  * @version $Revision: 44679 $
32  */
33 public class InterceptorsImpl implements javax.interceptor.Interceptors
34 {
35    private List JavaDoc values = new ArrayList JavaDoc();
36
37    public InterceptorsImpl()
38    {
39    }
40
41    public Class JavaDoc[] value()
42    {
43       Class JavaDoc[] result = new Class JavaDoc[values.size()];
44       values.toArray(result);
45       return result;
46    }
47
48    public void addValue(Class JavaDoc value)
49    {
50       values.add(value);
51    }
52
53    public static InterceptorsImpl getImpl(javax.interceptor.Interceptors interceptors)
54    {
55       if (interceptors == null)
56       {
57          return new InterceptorsImpl();
58       }
59       
60       if (interceptors instanceof InterceptorsImpl)
61       {
62          return (InterceptorsImpl)interceptors;
63       }
64       
65       InterceptorsImpl impl = new InterceptorsImpl();
66       
67       for (Class JavaDoc clazz : interceptors.value())
68       {
69          impl.addValue(clazz);
70       }
71       return impl;
72    }
73    
74    public Class JavaDoc annotationType()
75    {
76       return javax.interceptor.Interceptors.class;
77    }
78 }
79
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