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Java > Open Source Codes > org > jboss > kernel > plugins > deployment > xml > CollectionHandler


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.kernel.plugins.deployment.xml;
23
24 import javax.xml.namespace.NamespaceContext JavaDoc;
25 import javax.xml.namespace.QName JavaDoc;
26
27 import org.jboss.beans.metadata.plugins.AbstractArrayMetaData;
28 import org.jboss.beans.metadata.plugins.AbstractCollectionMetaData;
29 import org.jboss.beans.metadata.plugins.AbstractListMetaData;
30 import org.jboss.beans.metadata.plugins.AbstractSetMetaData;
31 import org.jboss.xb.binding.sunday.unmarshalling.DefaultElementHandler;
32 import org.jboss.xb.binding.sunday.unmarshalling.ElementBinding;
33 import org.xml.sax.Attributes JavaDoc;
34
35 /**
36  * CollectionHandler.
37  *
38  * @author <a HREF="adrian@jboss.com">Adrian Brock</a>
39  * @version $Revision: 43011 $
40  */
41 public class CollectionHandler extends DefaultElementHandler
42 {
43    /** The handler */
44    public static final CollectionHandler HANDLER = new CollectionHandler();
45
46    public Object JavaDoc startElement(Object JavaDoc parent, QName JavaDoc name, ElementBinding element)
47    {
48       if (BeanSchemaBinding20.collectionQName.equals(name))
49          return new AbstractCollectionMetaData();
50       else if (BeanSchemaBinding20.listQName.equals(name))
51          return new AbstractListMetaData();
52       else if (BeanSchemaBinding20.setQName.equals(name))
53          return new AbstractSetMetaData();
54       else if (BeanSchemaBinding20.arrayQName.equals(name))
55          return new AbstractArrayMetaData();
56       else
57          throw new IllegalArgumentException JavaDoc("Unknown collection qname=" + name);
58    }
59
60    public void attributes(Object JavaDoc o, QName JavaDoc elementName, ElementBinding element, Attributes JavaDoc attrs, NamespaceContext JavaDoc nsCtx)
61    {
62       AbstractCollectionMetaData collection = (AbstractCollectionMetaData) o;
63       for (int i = 0; i < attrs.getLength(); ++i)
64       {
65          String JavaDoc localName = attrs.getLocalName(i);
66          if ("class".equals(localName))
67             collection.setType(attrs.getValue(i));
68          else if ("elementClass".equals(localName))
69             collection.setElementType(attrs.getValue(i));
70       }
71    }
72 }
73
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