/* * @(#)MyClassPath.java 1.2 06/10/11 * * Copyright 1990-2008 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version * 2 only, as published by the Free Software Foundation. * * This program 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 * General Public License version 2 for more details (a copy is * included at /legal/license.txt). * * You should have received a copy of the GNU General Public License * version 2 along with this work; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa * Clara, CA 95054 or visit www.sun.com if you need additional * information or have any questions. * */ package sun.tools; import java.util.ArrayList; import java.util.HashSet; import java.util.Iterator; import java.security.ProtectionDomain; import java.security.CodeSource; import java.net.URL; import java.net.URLClassLoader; import java.lang.reflect.Method; import java.lang.reflect.InvocationTargetException; public class MyClassPath { public static void main(String[] argv) throws Throwable { if (argv.length == 0) { System.err.println("usage: classname [args...]"); return; } Class me = sun.tools.MyClassPath.class; URL url = me.getProtectionDomain().getCodeSource().getLocation(); URL[] urls = new URL[] {url}; ClassLoader filter = new ClassLoader() { protected synchronized Class loadClass(String name, boolean resolve) throws ClassNotFoundException { if (name.startsWith("java.")) { return super.loadClass(name, resolve); } else { throw new ClassNotFoundException(name); } } }; ClassLoader l = new URLClassLoader(urls, filter); { Class mainClass = l.loadClass(argv[0]); String[] args = new String[argv.length - 1]; System.arraycopy(argv, 1, args, 0, argv.length - 1); Class [] argsType = {args.getClass()}; Method mainMethod = mainClass.getMethod("main", argsType); Object [] args2 = {args}; try { mainMethod.invoke(null, args2); } catch (InvocationTargetException i) { throw i.getTargetException(); } } } }