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Java > Open Source Codes > org > jboss > mq > server > jmx > InterceptorLoader


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.mq.server.jmx;
23
24 import javax.jms.IllegalStateException JavaDoc;
25 import org.jboss.mq.server.JMSServerInterceptor;
26
27 /**
28  * Adapts JBossMQService to deliver JMSServerInvoker.
29  *
30  *
31  * @jmx:mbean extends="org.jboss.mq.server.jmx.InterceptorMBean"
32  *
33  * @author <a HREF="Peter Antman">Peter Antman</a>
34  * @version $Revision: 37459 $
35  */
36 public class InterceptorLoader extends InterceptorMBeanSupport implements InterceptorLoaderMBean
37 {
38    /**
39     * The invoker this service boostraps
40     */
41    private JMSServerInterceptor interceptor;
42    /**
43     * Gets the JMSServer attribute of the JBossMQService object, here we
44     * wrap the server in the invoker loaded.
45     *
46     * @return The JMSServer value
47     */
48    public JMSServerInterceptor getInterceptor()
49    {
50       return interceptor;
51    }
52    /**
53     * @jmx:managed-attribute
54     */
55    public void setInterceptorClass(String JavaDoc c) throws Exception JavaDoc
56    {
57       interceptor = (JMSServerInterceptor) Thread.currentThread().getContextClassLoader().loadClass(c).newInstance();
58    }
59    /**
60     * @jmx:managed-attribute
61     */
62    public String JavaDoc getInterceptorClass() throws Exception JavaDoc
63    {
64       return interceptor.getClass().getName();
65    }
66  
67    protected void startService() throws Exception JavaDoc
68    {
69       if (interceptor == null)
70          throw new IllegalStateException JavaDoc("The interceptor class was not set (null)");
71       super.startService();
72    }
73 }
74
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