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Java > Open Source Codes > org > jboss > deployers > plugins > deployers > helpers > AbstractClassLoaderDeployer


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.deployers.plugins.deployers.helpers;
23
24 import org.jboss.deployers.plugins.deployer.AbstractSimpleDeployer;
25 import org.jboss.deployers.spi.DeploymentException;
26 import org.jboss.deployers.spi.classloader.ClassLoaderFactory;
27 import org.jboss.deployers.spi.deployer.DeploymentUnit;
28 import org.jboss.deployers.spi.structure.DeploymentContext;
29
30 /**
31  * AbstractClassLoaderDeployer.
32  *
33  * @author <a HREF="adrian@jboss.com">Adrian Brock</a>
34  * @version $Revision: 1.1 $
35  */

36 public abstract class AbstractClassLoaderDeployer extends AbstractSimpleDeployer implements ClassLoaderFactory
37 {
38    /**
39     * Set the default relative order to CLASSLOADER_DEPLOYER
40     *
41     */

42    public AbstractClassLoaderDeployer()
43    {
44       super.setRelativeOrder(CLASSLOADER_DEPLOYER);
45    }
46
47    /**
48     * Look for an attachment of type ClassLoaderFactory, and if its not
49     * found, use this as the factory.
50     */

51    public void deploy(DeploymentUnit unit) throws DeploymentException
52    {
53       ClassLoaderFactory factory = unit.getAttachment(ClassLoaderFactory.class);
54       if( factory == null )
55          factory = this;
56       unit.createClassLoader(factory);
57    }
58
59    public void undeploy(DeploymentUnit unit)
60    {
61    }
62
63    public void removeClassLoader(DeploymentContext context) throws Exception JavaDoc
64    {
65    }
66 }
67
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