1/* 2 * Copyright (c) 2015, 2017, 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.net.URI; 25import java.lang.module.ModuleDescriptor; 26import java.util.Collections; 27import java.util.HashSet; 28import java.util.Set; 29 30import sun.hotspot.WhiteBox; 31 32public class ModuleHelper { 33 34 public static void DefineModule(Object module, boolean is_open, String version, 35 String location, String[] pkgs) throws Throwable { 36 WhiteBox wb = WhiteBox.getWhiteBox(); 37 wb.DefineModule(module, is_open, version, location, pkgs); 38 } 39 40 public static void AddModuleExports(Object from, String pkg, Object to) throws Throwable { 41 WhiteBox wb = WhiteBox.getWhiteBox(); 42 wb.AddModuleExports(from, pkg, to); 43 java.lang.ModuleHelper.addExportsNoSync((Module)from, pkg, (Module)to); 44 } 45 46 public static void AddReadsModule(Object from, Object to) throws Throwable { 47 WhiteBox wb = WhiteBox.getWhiteBox(); 48 wb.AddReadsModule(from, to); 49 java.lang.ModuleHelper.addReadsNoSync((Module)from, (Module)to); 50 } 51 52 public static void AddModuleExportsToAllUnnamed(Object m, String pkg) throws Throwable { 53 WhiteBox wb = WhiteBox.getWhiteBox(); 54 wb.AddModuleExportsToAllUnnamed(m, pkg); 55 //java.lang.ModuleHelper.addExportsToAllUnnamedNoSync((Module)m, pkg); 56 } 57 58 public static void AddModuleExportsToAll(Object m, String pkg) throws Throwable { 59 WhiteBox wb = WhiteBox.getWhiteBox(); 60 wb.AddModuleExportsToAll(m, pkg); 61 java.lang.ModuleHelper.addExportsNoSync((Module)m, pkg, (Module)null); 62 } 63 64 public static Module ModuleObject(String name, ClassLoader loader, String[] pkgs) throws Throwable { 65 Set<String> pkg_set = new HashSet<>(); 66 if (pkgs != null) { 67 for (String pkg: pkgs) { 68 pkg_set.add(pkg.replace('/', '.')); 69 } 70 } else { 71 pkg_set = Collections.emptySet(); 72 } 73 74 ModuleDescriptor descriptor = 75 ModuleDescriptor.newModule(name).packages(pkg_set).build(); 76 URI uri = URI.create("module:/" + name); 77 78 return java.lang.ModuleHelper.newModule(loader, descriptor); 79 } 80 81} 82