/* * JBoss, Home of Professional Open Source * Copyright 2007, JBoss Inc., and individual contributors as indicated * by the @authors tag. See the copyright.txt 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.security.plugins.audit; import java.security.AccessController; import java.security.PrivilegedActionException; import java.security.PrivilegedExceptionAction; /** * Privileged Blocks * @author Anil.Saldhana@redhat.com * @since May 11, 2007 * @version $Revision$ */ class SecurityActions { static void setContextClassLoader(final ClassLoader tccl) throws PrivilegedActionException { AccessController.doPrivileged(new PrivilegedExceptionAction<ClassLoader>() { public ClassLoader run() { Thread.currentThread().setContextClassLoader(tccl); return null; } }); } static ClassLoader getContextClassLoader() throws PrivilegedActionException { return AccessController.doPrivileged(new PrivilegedExceptionAction<ClassLoader>() { public ClassLoader run() { return Thread.currentThread().getContextClassLoader(); } }); } static Class<?> loadClass(final String name) throws PrivilegedActionException { return AccessController.doPrivileged(new PrivilegedExceptionAction<Class<?>>() { public Class<?> run() throws PrivilegedActionException { try { return getClass().getClassLoader().loadClass(name); } catch (Exception ignore) { try { return getContextClassLoader().loadClass(name); } catch (Exception e) { throw new PrivilegedActionException(e); } } } }); } static Class<?> loadClass(final ClassLoader cl, final String name) throws PrivilegedActionException { return AccessController.doPrivileged(new PrivilegedExceptionAction<Class<?>>() { public Class<?> run() throws PrivilegedActionException { if(cl == null) { return loadClass(name); } try { return cl.loadClass(name); } catch (Exception ignore) { return loadClass(name); } } }); } }