1/* 2 * Copyright (c) 2015, 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 24import java.lang.reflect.Constructor; 25import java.lang.reflect.InvocationHandler; 26import java.lang.reflect.Proxy; 27 28/* 29 * @test 30 * @summary Basic test of proxy module mapping and the access to Proxy class 31 * @modules java.base/sun.invoke 32 */ 33 34public class ProxyModuleMapping { 35 public static void main(String... args) throws Exception { 36 ClassLoader ld = ProxyModuleMapping.class.getClassLoader(); 37 Module unnamed = ld.getUnnamedModule(); 38 new ProxyModuleMapping(unnamed, Runnable.class).test(); 39 40 // unnamed module gets access to sun.invoke package (e.g. via --add-exports) 41 new ProxyModuleMapping(sun.invoke.WrapperInstance.class).test(); 42 43 Class<?> modulePrivateIntf = Class.forName("sun.net.ProgressListener"); 44 new ProxyModuleMapping(modulePrivateIntf).test(); 45 } 46 47 final Module target; 48 final ClassLoader loader; 49 final Class<?>[] interfaces; 50 ProxyModuleMapping(Module m, Class<?>... interfaces) { 51 this.target = m; 52 this.loader = m.getClassLoader(); 53 this.interfaces = interfaces; 54 } 55 56 ProxyModuleMapping(Class<?>... interfaces) { 57 this.target = null; // expected to be dynamic module 58 this.loader = interfaces[0].getClassLoader(); // same class loader 59 this.interfaces = interfaces; 60 } 61 62 void test() throws Exception { 63 verifyProxyClass(); 64 verifyNewProxyInstance(); 65 } 66 67 void verifyProxyClass() throws Exception { 68 Class<?> c = Proxy.getProxyClass(loader, interfaces); 69 Module m = c.getModule(); 70 if (target != null && m != target) { 71 throw new RuntimeException(c.getModule() + " not expected: " + target); 72 } 73 // expect dynamic module 74 if (target == null && (!m.isNamed() || !m.getName().startsWith("jdk.proxy"))) { 75 throw new RuntimeException("Unexpected:" + m); 76 } 77 78 Module module = c.getModule(); 79 try { 80 Constructor<?> cons = c.getConstructor(InvocationHandler.class); 81 cons.newInstance(ih); 82 if (module.isNamed()) { 83 throw new RuntimeException("expected IAE not thrown"); 84 } 85 } catch (IllegalAccessException e) { 86 if (!module.isNamed()) { 87 throw e; 88 } 89 } 90 } 91 92 void verifyNewProxyInstance() throws Exception { 93 Object o = Proxy.newProxyInstance(loader, interfaces, ih); 94 Module m = o.getClass().getModule(); 95 if (target != null && m != target) { 96 throw new RuntimeException(m + " not expected: " + target); 97 } 98 if (target == null && (!m.isNamed() || !m.getName().startsWith("jdk.proxy"))) { 99 throw new RuntimeException(m + " not expected: dynamic module"); 100 } 101 } 102 private final static InvocationHandler ih = 103 (proxy, m, params) -> { System.out.println(m); return null; }; 104} 105