SecurityActions.java

/*
 * 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.naming.remote.client;

import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.ServiceLoader;

/**
 * @author John Bailey
 */
final class SecurityActions {

    private static final PrivilegedAction<ClassLoader> GET_CLASS_LOADER = new PrivilegedAction<ClassLoader>() {
        @Override
        public ClassLoader run() {
            return Thread.currentThread().getContextClassLoader();
        }
    };

    static ClassLoader getContextClassLoader() {
        if (System.getSecurityManager() == null) {
            return Thread.currentThread().getContextClassLoader();
        } else {
            return AccessController.doPrivileged(GET_CLASS_LOADER);
        }
    }

    private SecurityActions() {

    }
}