GenericMatcher


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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.generic;
23  
24  import java.lang.annotation.Annotation  ;
25  
26  import org.jboss.metadata.spi.retrieval.MetaDataItem;
27  
28  /**
29   * GenericMatcher.
30   * 
31   * @author <a HREF="adrian@jboss.com">Adrian Brock</a>
32   * @version $Revision: 45742 $
33   */
34  public final class GenericMatcher
35  {
36     /**
37      * Match an object class
38      * 
39      * @param objects the objects
40      * @param name the type name
41      * @return the matched object or null if no match
42      */
43     @SuppressWarnings  ("unchecked")
44     public static final Object   matchObject(Object  [] objects, String   name)
45     {
46        if (objects != null)
47        {
48           for (Object   o : objects)
49           {
50              if (o instanceof Annotation  )
51              {
52                 Annotation   a = (Annotation  ) o;
53                 if (name.equals(a.annotationType().getName()))
54                    return o;
55              }
56              else if (name.equals(o.getClass().getName()))
57                 return o;
58           }
59        }
60        
61        return null;
62     }
63  
64     /**
65      * Match a meta data item
66      * 
67      * @param metaDatas the meta data items
68      * @param name the type name
69      * @return the matched meta data item or null if no match
70      */
71     public static final MetaDataItem matchMetaDataItem(MetaDataItem[] metaDatas, String   name)
72     {
73        if (metaDatas != null)
74        {
75           for (MetaDataItem item : metaDatas)
76           {
77              Object   o = item.getValue();
78              if (o instanceof Annotation  )
79              {
80                 Annotation   a = (Annotation  ) o;
81                 if (name.equals(a.annotationType().getName()))
82                    return item;
83              }
84              else if (name.equals(item.getName()))
85                 return item;
86           }
87        }
88        
89        return null;
90     }
91  }
92
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