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.ejb.plugins.jms;
23:
24: import java.security.PrivilegedAction;
25: import java.security.AccessController;
26:
27: import org.jboss.security.SecurityAssociation;
28:
29: /** The priviledged actions in used in this package
30: *
31: * @author Scott.Stark@jboss.org
32: * @version $Revision: 57209 $
33: */
34: class SecurityActions {
35: interface SubjectActions {
36: SubjectActions PRIVILEGED = new SubjectActions() {
37: private final PrivilegedAction clearAction = new PrivilegedAction() {
38: public Object run() {
39: SecurityAssociation.clear();
40: return null;
41: }
42: };
43:
44: public void clear() {
45: AccessController.doPrivileged(clearAction);
46: }
47: };
48:
49: SubjectActions NON_PRIVILEGED = new SubjectActions() {
50: public void clear() {
51: SecurityAssociation.clear();
52: }
53: };
54:
55: void clear();
56: }
57:
58: static void clear() {
59: if (System.getSecurityManager() == null) {
60: SubjectActions.NON_PRIVILEGED.clear();
61: } else {
62: SubjectActions.PRIVILEGED.clear();
63: }
64: }
65: }
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