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 24 import java.net.URI; 25 import java.lang.module.ModuleDescriptor; 26 import java.lang.reflect.Module; 27 import java.util.Collections; 28 import java.util.HashSet; 29 import java.util.Set; 30 31 import sun.hotspot.WhiteBox; 32 33 public class ModuleHelper { 34 35 public static void DefineModule(Object module, String version, String location, 36 String[] pkgs) throws Throwable { 37 WhiteBox wb = WhiteBox.getWhiteBox(); 38 wb.DefineModule(module, version, location, pkgs); 39 } 40 41 public static void AddModuleExports(Object from, String pkg, Object to) throws Throwable { 42 WhiteBox wb = WhiteBox.getWhiteBox(); 43 wb.AddModuleExports(from, pkg, to); 44 java.lang.reflect.ModuleHelper.addExportsNoSync((Module)from, pkg, (Module)to); 45 } 46 47 public static void AddReadsModule(Object from, Object to) throws Throwable { 48 WhiteBox wb = WhiteBox.getWhiteBox(); 49 wb.AddReadsModule(from, to); 50 java.lang.reflect.ModuleHelper.addReadsNoSync((Module)from, (Module)to); 51 } 52 53 public static void AddModulePackage(Object m, String pkg) throws Throwable { 54 WhiteBox wb = WhiteBox.getWhiteBox(); 55 wb.AddModulePackage(m, pkg); 56 java.lang.reflect.ModuleHelper.addPackageNoSync((Module)m, pkg); 57 } 58 59 public static Module GetModuleByPackageName(Object ldr, String pkg) throws Throwable { 60 WhiteBox wb = WhiteBox.getWhiteBox(); 61 return (Module)wb.GetModuleByPackageName(ldr, pkg); 62 } 63 64 public static void AddModuleExportsToAllUnnamed(Object m, String pkg) throws Throwable { 65 WhiteBox wb = WhiteBox.getWhiteBox(); 66 wb.AddModuleExportsToAllUnnamed(m, pkg); 67 //java.lang.reflect.ModuleHelper.addExportsToAllUnnamedNoSync((Module)m, pkg); 68 } 69 70 public static void AddModuleExportsToAll(Object m, String pkg) throws Throwable { 71 WhiteBox wb = WhiteBox.getWhiteBox(); 72 wb.AddModuleExportsToAll(m, pkg); 73 java.lang.reflect.ModuleHelper.addExportsNoSync((Module)m, pkg, (Module)null); 74 } 75 76 public static Module ModuleObject(String name, ClassLoader loader, String[] pkgs) throws Throwable { 77 Set<String> pkg_set = new HashSet<>(); 78 if (pkgs != null) { 79 for (String pkg: pkgs) { 80 pkg_set.add(pkg.replace('/', '.')); 81 } 82 } else { 83 pkg_set = Collections.emptySet(); 84 } 85 86 ModuleDescriptor descriptor = 87 ModuleDescriptor.newModule(name).packages(pkg_set).build(); 88 URI uri = URI.create("module:/" + name); 89 90 return java.lang.reflect.ModuleHelper.newModule(loader, descriptor); 91 } 92 93 }