EjbParsingDeployer


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2    * JBoss, Home of Professional Open Source
3    * Copyright 2006, Red Hat Middleware LLC, and individual contributors
4    * by the @authors tag. See the copyright.txt in the distribution for a
5    * full listing of individual contributors.
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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.deployment;
23  
24  import org.jboss.deployers.plugins.deployers.helpers.ObjectModelFactoryDeployer;
25  import org.jboss.deployers.spi.DeploymentException;
26  import org.jboss.deployers.spi.deployer.DeploymentUnit;
27  import org.jboss.metadata.ApplicationMetaData;
28  import org.jboss.xb.binding.ObjectModelFactory;
29  import org.jboss.virtual.VirtualFile;
30  
31  /**
32   * An ObjectModelFactoryDeployer for translating ejb-jar.xml descriptors into
33   * ApplicationMetaData instances.
34   * 
35   * @author Scott.Stark@jboss.org
36   * @version $Revision:$
37   */
38  public class EjbParsingDeployer extends ObjectModelFactoryDeployer<ApplicationMetaData>
39  {
40     /** The name of the ejb descriptor in the deployment context metadata path */
41     private String   ejbXmlPath = "ejb-jar.xml";
42  
43     public EjbParsingDeployer()
44     {
45        super(ApplicationMetaData.class);
46     }
47  
48     /**
49      * Get the virtual file path for the application descriptor in the
50      * DeploymentContext.getMetaDataPath.
51      * 
52      * @return the current virtual file path for the application descriptor
53      */
54     public String   getAppXmlPath()
55     {
56        return ejbXmlPath;
57     }
58     /**
59      * Set the virtual file path for the application descriptor in the
60      * DeploymentContext.getMetaDataLocation. The standard path is application.xml
61      * to be found in the META-INF metdata path.
62      * 
63      * @param ejbXmlPath - new virtual file path for the application descriptor
64      */
65     public void setAppXmlPath(String   ejbXmlPath)
66     {
67        this.ejbXmlPath = ejbXmlPath;
68     }
69  
70     /**
71      * Return EjbJarObjectFactory as our ObjectModelFactory.
72      * @return a new EjbJarObjectFactory instance
73      */
74     @Override  
75     protected ObjectModelFactory getObjectModelFactory(ApplicationMetaData root)
76     {
77        return new EjbJarObjectFactory();
78     }
79  
80     /**
81      * Overriden to invoke createMetaData(unit, ejbXmlPath, null) to parse any
82      * ejbXmlPath descriptor into a ApplicationMetaData instance.
83      */
84     @Override  
85     public void deploy(DeploymentUnit unit) throws DeploymentException
86     {
87        // make sure it's there is ejb-jar.xml
88        // TODO: also make sure it's ejb2.x module
89        VirtualFile ejbjar = unit.getMetaDataFile("ejb-jar.xml");
90        if (ejbjar == null)
91        {
92           return;
93        }
94  
95        createMetaData(unit, ejbXmlPath, null);
96     }
97  }
98
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