/* * JBoss, Home of Professional Open Source. * Copyright 2008, Red Hat Middleware LLC, 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.mx.loading; import java.security.PrivilegedAction; import java.security.AccessController; import java.security.CodeSource; /** An encapsulation creating a to string rep for a class using a * PrivilegedAction for getting the ProtectionDomain. * * @version $Revision: 81019 $ * @author Scott.Stark@jboss.org */ class ClassToStringAction implements PrivilegedAction { private StringBuffer buffer; private Class clazz; ClassToStringAction(Class clazz, StringBuffer buffer) { this.clazz = clazz; this.buffer = buffer; } public Object run() { if( clazz != null ) { buffer.append(clazz.getName()); buffer.append("@"+Integer.toHexString(clazz.hashCode())); CodeSource cs = clazz.getProtectionDomain().getCodeSource(); buffer.append("<CodeSource: "+cs+">"); } else { buffer.append("null"); } return null; } static void toString(Class clazz, StringBuffer buffer) { PrivilegedAction action = new ClassToStringAction(clazz, buffer); AccessController.doPrivileged(action); } static class SysPropertyAction implements PrivilegedAction { private String key; private String def; SysPropertyAction(String key, String def) { this.key = key; this.def = def; } public Object run() { return System.getProperty(key, def); } } static String getProperty(String key, String def) { PrivilegedAction action = new SysPropertyAction(key, def); String value = (String) AccessController.doPrivileged(action); return value; } }