KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > jboss > ejb3 > ENCPropagationInterceptor


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.ejb3;
23
24 import org.jboss.aop.advice.Interceptor;
25 import org.jboss.aop.joinpoint.Invocation;
26
27 /**
28  * This interceptor is needed so that the ENC is propagated in asynchronous calls.
29  *
30  * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
31  * @version $Revision: 37459 $
32  */
33 public class ENCPropagationInterceptor implements Interceptor
34 {
35    public String JavaDoc getName()
36    {
37       return this.getClass().getName();
38    }
39
40    public Object JavaDoc invoke(Invocation invocation) throws Throwable JavaDoc
41    {
42       try
43       {
44          Container container = (Container) invocation.getAdvisor();
45          ThreadLocalENCFactory.push(container.getEnc());
46
47          return invocation.invokeNext();
48       }
49       finally
50       {
51          ThreadLocalENCFactory.pop();
52       }
53    }
54 }
55
Popular Tags