/jboss-as-7.1.1.Final/webservices/server-integration/src/main/java/org/jboss/as/webservices/webserviceref/SecurityActions.java

 1/*
 2 * JBoss, Home of Professional Open Source.
 3 * Copyright 2011, Red Hat, Inc., and individual contributors
 4 * as indicated by the @author tags. See the copyright.txt file in the
 5 * distribution for a 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
23package org.jboss.as.webservices.webserviceref;
24
25import java.security.AccessController;
26import java.security.PrivilegedAction;
27
28/**
29 * SM utility methods.
30 *
31 * @author <a href="mailto:ropalka@redhat.com">Richard Opalka</a>
32 */
33final class SecurityActions {
34
35    private SecurityActions() {
36        // forbidden inheritance
37    }
38
39    /**
40     * Gets context classloader.
41     *
42     * @return the current context classloader
43     */
44    static ClassLoader getContextClassLoader() {
45        if (System.getSecurityManager() == null) {
46            return Thread.currentThread().getContextClassLoader();
47        } else {
48            return AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
49                public ClassLoader run() {
50                    return Thread.currentThread().getContextClassLoader();
51                }
52            });
53        }
54    }
55
56    /**
57     * Sets context classloader.
58     *
59     * @param classLoader
60     *            the classloader
61     */
62    static void setContextClassLoader(final ClassLoader classLoader) {
63        if (System.getSecurityManager() == null) {
64            Thread.currentThread().setContextClassLoader(classLoader);
65        } else {
66            AccessController.doPrivileged(new PrivilegedAction<Object>() {
67                public Object run() {
68                    Thread.currentThread().setContextClassLoader(classLoader);
69                    return null;
70                }
71            });
72        }
73    }
74
75}