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Java > Open Source Codes > org > jboss > xb > binding > sunday > xop > XOPElementHandler


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.xb.binding.sunday.xop;
23
24 import javax.xml.namespace.QName JavaDoc;
25 import javax.xml.namespace.NamespaceContext JavaDoc;
26 import org.jboss.xb.binding.sunday.unmarshalling.ParticleHandler;
27 import org.jboss.xb.binding.sunday.unmarshalling.ParticleBinding;
28 import org.jboss.xb.binding.sunday.unmarshalling.ElementBinding;
29 import org.jboss.xb.binding.sunday.unmarshalling.DefaultHandlers;
30 import org.xml.sax.Attributes JavaDoc;
31
32 /**
33  * @author <a HREF="mailto:alex@jboss.org">Alexey Loubyansky</a>
34  * @version <tt>$Revision: 2148 $</tt>
35  */
36 public class XOPElementHandler
37    implements ParticleHandler
38 {
39    public Object JavaDoc startParticle(Object JavaDoc parent,
40                                QName JavaDoc elementName,
41                                ParticleBinding particle,
42                                Attributes JavaDoc attrs,
43                                NamespaceContext JavaDoc nsCtx)
44    {
45       ElementBinding element = (ElementBinding)particle.getTerm();
46       XOPUnmarshaller xopUnmarshaller = element.getXopUnmarshaller();
47       if(xopUnmarshaller == null || !xopUnmarshaller.isXOPPackage())
48       {
49          return null;
50       }
51       else
52       {
53          return new XOPElement();
54       }
55    }
56
57    public Object JavaDoc endParticle(Object JavaDoc o, QName JavaDoc elementName, ParticleBinding particle)
58    {
59       return o instanceof XOPElement ? ((XOPElement)o).value : o;
60    }
61
62    public void setParent(Object JavaDoc parent,
63                          Object JavaDoc o,
64                          QName JavaDoc elementName,
65                          ParticleBinding particle,
66                          ParticleBinding parentParticle)
67    {
68       if(parent == o)
69       {
70          return;
71       }
72
73       // should actually use the handler that would normally be used by the SundayContentHandler
74 DefaultHandlers.ELEMENT_HANDLER.setParent(parent, o, elementName, particle, parentParticle);
75    }
76
77    public static class XOPElement
78    {
79       public Object JavaDoc value;
80    }
81 }
82
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