--- old/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/scripts/ModuleGraphManipulator.java 2020-04-15 18:52:34.000000000 +0530 +++ /dev/null 2020-04-15 18:52:34.000000000 +0530 @@ -1,75 +0,0 @@ -/* - * Copyright (c) 2016, 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. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * 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 jdk.nashorn.internal.scripts; - -import jdk.nashorn.api.scripting.JSObject; - -/** - * Nashorn's StructureLoader and ScriptLoader instances load - * this class in the respective dynamic modules created. This - * class is never loaded by Nashorn's own class loader. The - * .class bytes of this class are loaded as resource by the - * {@link jdk.nashorn.internal.runtime.NashornLoader} class. This class - * exists in this package because nashorn structures and scripts - * modules use this package name for the only exported package - * from those modules. - * - * Note that this class may be dynamically generated at runtime. - * But, this java source is used for ease of reading. - */ -final class ModuleGraphManipulator { - private ModuleGraphManipulator() {} - - private static final Module MY_MODULE; - private static final String MY_PKG_NAME; - - static { - final Class myClass = ModuleGraphManipulator.class; - MY_MODULE = myClass.getModule(); - final String myName = myClass.getName(); - MY_PKG_NAME = myName.substring(0, myName.lastIndexOf('.')); - - // nashorn's module is the module of the class loader of current class - final Module nashornModule = myClass.getClassLoader().getClass().getModule(); - - // Make sure this class was not loaded by Nashorn's own loader! - if (MY_MODULE == nashornModule) { - throw new IllegalStateException(myClass + " loaded by wrong loader!"); - } - - // open package to nashorn module - MY_MODULE.addOpens(MY_PKG_NAME, nashornModule); - } - - // The following method is reflectively invoked from Nashorn - // to add required module export edges. Because this package - // itself is qualified exported only to nashorn and this - // method is private, unsafe calls are not possible. - - private static void addExport(final Module otherMod) { - MY_MODULE.addExports(MY_PKG_NAME, otherMod); - } -}