1 /* 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 import java.lang.reflect.InvocationTargetException; 24 import java.lang.reflect.Method; 25 import java.net.URL; 26 import java.net.URLClassLoader; 27 28 /** 29 * This class is loaded by a class loader that can see the resource. It creates 30 * a new classloader for LoadItUp2 which cannot see the resource. So, 2 levels 31 * up the call chain we have a class/classloader that can see the resource, but 32 * 1 level up the class/classloader cannot. 33 * 34 * @author Jim Gish 35 */ 36 public class LoadItUp2Invoker { 37 private URLClassLoader cl; 38 private String rbName; 39 private Object loadItUp2; 40 private Method testMethod; 41 42 public void setup(URL[] urls, String rbName) throws 43 ReflectiveOperationException { 44 this.cl = new URLClassLoader(urls, null); 45 this.rbName = rbName; 46 // Using this new classloader, load the actual test class 47 // which is now two levels removed from the original caller 48 Class<?> loadItUp2Clazz = Class.forName("LoadItUp2", true , cl); 49 this.loadItUp2 = loadItUp2Clazz.newInstance(); 50 this.testMethod = loadItUp2Clazz.getMethod("test", String.class); 51 } 52 53 public Boolean test() throws Throwable { 54 try { 55 return (Boolean) testMethod.invoke(loadItUp2, rbName); 56 } catch (InvocationTargetException ex) { 57 throw ex.getTargetException(); 58 } 59 } 60 }