01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * 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.test.cluster.web;
23:
24: import org.jboss.cache.aop.TreeCacheAop;
25: import org.jboss.cache.aop.TreeCacheAopMBean;
26: import org.jboss.mx.util.MBeanProxyExt;
27:
28: import javax.management.ObjectName;
29:
30: /**
31: * Helper class to locate the cache mbean used by Tomcat
32: *
33: * @author Ben Wang
34: * Date: Aug 16, 2005
35: * @version $Id: CacheHelper.java 57211 2006-09-26 12:39:46Z dimitris@jboss.org $
36: */
37: public class CacheHelper {
38: public static final String DEFAULT_CACHE_NAME = "jboss.cache:service=TomcatClusteringCache";
39:
40: public static TreeCacheAop getCacheInstance() {
41: try {
42: ObjectName cacheServiceName_ = new ObjectName(
43: DEFAULT_CACHE_NAME);
44: // Create Proxy-Object for this service
45: TreeCacheAop proxy_ = (TreeCacheAop) ((TreeCacheAopMBean) MBeanProxyExt
46: .create(TreeCacheAopMBean.class, cacheServiceName_))
47: .getInstance();
48: if (proxy_ == null) {
49: throw new RuntimeException(
50: "getCacheInstance: locate null TomcatCacheAop");
51: }
52: return proxy_;
53: } catch (Throwable e) {
54: e.printStackTrace();
55: throw new RuntimeException("getCacheInstance: Exception: "
56: + e);
57: }
58: }
59: }
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