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Java > Open Source Codes > org > jboss > ejb3 > mdb > inflow > GetTCLAction


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.mdb.inflow;
23
24 import java.security.AccessController JavaDoc;
25 import java.security.PrivilegedAction JavaDoc;
26
27 /**
28  * @author Scott.Stark@jboss.org
29  * @version $Revison:$
30  */
31 public class GetTCLAction implements PrivilegedAction JavaDoc
32 {
33    static PrivilegedAction JavaDoc ACTION = new GetTCLAction(null);
34    Thread JavaDoc t;
35
36    GetTCLAction(Thread JavaDoc t)
37    {
38       this.t = t;
39    }
40    public Object JavaDoc run()
41    {
42       Thread JavaDoc thread = t;
43       if (thread == null)
44          thread = Thread.currentThread();
45       ClassLoader JavaDoc loader = thread.getContextClassLoader();
46       return loader;
47    }
48
49    static ClassLoader JavaDoc getContextClassLoader()
50    {
51       ClassLoader JavaDoc loader = (ClassLoader JavaDoc) AccessController.doPrivileged(ACTION);
52       return loader;
53    }
54    static ClassLoader JavaDoc getContextClassLoader(Thread JavaDoc t)
55    {
56       GetTCLAction action = new GetTCLAction(t);
57       ClassLoader JavaDoc loader = (ClassLoader JavaDoc) AccessController.doPrivileged(action);
58       return loader;
59    }
60
61 }
62
63
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