1 /* 2 * Copyright (c) 2020, 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 24 package pkg; 25 26 import java.lang.invoke.MethodType; 27 import java.lang.invoke.MethodHandles; 28 import java.lang.invoke.MethodHandles.Lookup; 29 import static java.lang.invoke.MethodHandles.Lookup.ClassOption.*; 30 31 // This class is used by test HiddenGetModule.java. 32 public class HasNamedModule { 33 34 public static void compareModules(byte[] klassbuf) throws Throwable { 35 String moduleName = HasNamedModule.class.getModule().toString(); 36 System.out.println("HasNamedModule module: " + moduleName); 37 Lookup lookup = MethodHandles.lookup(); 38 Class<?> cl = lookup.defineHiddenClass(klassbuf, false, NESTMATE).lookupClass(); 39 if (cl.getModule() != HasNamedModule.class.getModule()) { 40 System.out.println("HasNamedModule: " + moduleName + 41 ", hidden class module: " + cl.getModule()); 42 throw new RuntimeException("hidden class and lookup class have different modules"); 43 } 44 if (!moduleName.contains("HiddenModule")) { 45 throw new RuntimeException("wrong module name: " + moduleName); 46 } 47 } 48 }