JAXBIntrospectorImpl


1   /*
2   * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3   *
4   * This file is part of Resin(R) Open Source
5   *
6   * Each copy or derived work must preserve the copyright notice and this
7   * notice unmodified.
8   *
9   * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT.  See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  *
23  *   Free Software Foundation, Inc.
24  *   59 Temple Place, Suite 330
25  *   Boston, MA 02111-1307  USA
26  *
27  * @author Adam Megacz
28  */
29  
30  package com.caucho.jaxb;
31  import javax.xml.bind.JAXBElement;
32  import javax.xml.bind.JAXBException;
33  import javax.xml.bind.JAXBIntrospector;
34  import javax.xml.namespace.QName  ;
35  
36  class JAXBIntrospectorImpl extends JAXBIntrospector {
37  
38    private JAXBContextImpl _context;
39    
40    JAXBIntrospectorImpl(JAXBContextImpl context)
41    {
42      _context = context;
43    }
44  
45    public QName   getElementName(Object   object)
46    {
47      try {
48        if (object instanceof JAXBElement)
49          return ((JAXBElement) object).getName();
50        else
51          return _context.getSkeleton(object.getClass()).getElementName(object);
52      }
53      catch (JAXBException e) {
54        return null;
55      }
56    }
57  
58    public boolean isElement(Object   object)
59    {
60      return (object instanceof JAXBElement) || 
61             (getElementName(object) != null);
62    }
63  
64  }
65  
66
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