InstallHandler


1   /*
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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.kernel.plugins.deployment.xml;
23  
24  import javax.xml.namespace.NamespaceContext  ;
25  import javax.xml.namespace.QName  ;
26  
27  import org.jboss.beans.metadata.plugins.AbstractInstallMetaData;
28  import org.jboss.dependency.spi.ControllerState;
29  import org.jboss.xb.binding.sunday.unmarshalling.DefaultElementHandler;
30  import org.jboss.xb.binding.sunday.unmarshalling.ElementBinding;
31  import org.xml.sax.Attributes  ;
32  
33  /**
34   * InstallHandler.
35   * 
36   * @author <a HREF="adrian@jboss.com">Adrian Brock</a>
37   * @version $Revision: 43025 $
38   */
39  public class InstallHandler extends DefaultElementHandler
40  {
41     /** The handler */
42     public static final InstallHandler HANDLER = new InstallHandler();
43  
44     public Object   startElement(Object   parent, QName   name, ElementBinding element)
45     {
46        return new AbstractInstallMetaData();
47     }
48  
49     public void attributes(Object   o, QName   elementName, ElementBinding element, Attributes   attrs, NamespaceContext   nsCtx)
50     {
51        AbstractInstallMetaData install = (AbstractInstallMetaData) o;
52        for (int i = 0; i < attrs.getLength(); ++i)
53        {
54           String   localName = attrs.getLocalName(i);
55           if ("bean".equals(localName))
56              install.setBean(attrs.getValue(i));
57           else if ("method".equals(localName))
58              install.setMethodName(attrs.getValue(i));
59           else if ("state".equals(localName))
60              install.setDependentState(new ControllerState(attrs.getValue(i)));
61        }
62     }
63  
64     public Object   endElement(Object   o, QName   qName, ElementBinding element)
65     {
66        AbstractInstallMetaData install = (AbstractInstallMetaData) o;
67        if (install.getMethodName() == null)
68           throw new IllegalArgumentException  ("Install/uninstall should have method attribute.");
69        return install;
70     }
71  }
72
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