/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.capedwarf.common.async;
import java.security.AccessController;
import java.security.PrivilegedAction;
/**
* @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
*/
final class SecurityActions {
static ClassLoader setThreadContextClassLoader(ClassLoader cl) {
if (System.getSecurityManager() == null) {
return SetThreadContextClassLoaderAction.NON_PRIVILEGED.setThreadContextClassLoader(cl);
} else {
return SetThreadContextClassLoaderAction.PRIVILEGED.setThreadContextClassLoader(cl);
}
}
private interface SetThreadContextClassLoaderAction {
ClassLoader setThreadContextClassLoader(ClassLoader cl);
SetThreadContextClassLoaderAction NON_PRIVILEGED = new SetThreadContextClassLoaderAction() {
public ClassLoader setThreadContextClassLoader(ClassLoader cl) {
ClassLoader old = Thread.currentThread().getContextClassLoader();
Thread.currentThread().setContextClassLoader(cl);
return old;
}
};
SetThreadContextClassLoaderAction PRIVILEGED = new SetThreadContextClassLoaderAction() {
public ClassLoader setThreadContextClassLoader(final ClassLoader cl) {
return AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
public ClassLoader run() {
ClassLoader old = Thread.currentThread().getContextClassLoader();
Thread.currentThread().setContextClassLoader(cl);
return old;
}
});
}
};
}
}