| /* |
| * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package java.lang; |
| |
| import java.lang.module.ModuleDescriptor; |
| |
| /** |
| * A helper class intended to be injected into java.lang using the |
| * java --patch-module option. The helper class provides access to package private |
| * methods in java.lang.Module. |
| */ |
| |
| public final class ModuleHelper { |
| |
| private ModuleHelper() { } |
| |
| /** |
| * Creates a named module but without defining the module to the VM. |
| */ |
| public static Module newModule(ClassLoader loader, ModuleDescriptor descriptor) { |
| return new Module(loader, descriptor); |
| } |
| |
| /** |
| * Updates module {@code from} to that it reads module {@code to} without |
| * notifying the VM. |
| */ |
| public static void addReadsNoSync(Module from, Module to) { |
| from.implAddReadsNoSync(to); |
| } |
| |
| /** |
| * Updates module {@code from} so that it exports package {@code pkg} |
| * to module {@code to} but without notifying the VM. If {@code to} is |
| * {@code null} then the package is exported unconditionally. |
| */ |
| public static void addExportsNoSync(Module from, String pkg, Module to) { |
| if (to == null) { |
| from.implAddExportsNoSync(pkg); |
| } else { |
| from.implAddExportsNoSync(pkg, to); |
| } |
| } |
| |
| } |