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


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 import javax.jms.IllegalStateException JavaDoc;
24 import javax.management.ObjectName JavaDoc;
25
26 import org.jboss.mq.server.JMSServerInterceptor;
27 import org.jboss.system.ServiceMBeanSupport;
28 /**
29  * Adapts JBossMQService to deliver JMSServerInvoker.
30  *
31  * @author <a HREF="Peter Antman">Peter Antman</a>
32  * @version $Revision: 37459 $
33  */
34
35 abstract public class InterceptorMBeanSupport
36    extends ServiceMBeanSupport
37    implements InterceptorMBean
38 {
39    /**
40     * The next interceptor this interceptor invokes.
41     */
42    private JMSServerInterceptor nextInterceptor;
43    private ObjectName JavaDoc nextInterceptorObjName;
44    
45   
46    public ObjectName JavaDoc getNextInterceptor()
47    {
48       return this.nextInterceptorObjName;
49    }
50    
51    public void setNextInterceptor(ObjectName JavaDoc jbossMQService)
52    {
53       this.nextInterceptorObjName = jbossMQService;
54    }
55    
56    protected void startService() throws Exception JavaDoc
57    {
58       if( nextInterceptorObjName != null ) {
59          nextInterceptor = (JMSServerInterceptor)getServer().getAttribute(nextInterceptorObjName, "Interceptor");
60          if (nextInterceptor == null)
61             throw new IllegalStateException JavaDoc("The next interceptor was invalid.");
62       }
63       getInterceptor().setNext(nextInterceptor);
64    }
65    
66 }
67
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