/* * 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. * * 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 org.graalvm.compiler.core.common.util; import static org.graalvm.compiler.core.common.util.Util.JAVA_SPECIFICATION_VERSION; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.lang.reflect.Modifier; /** * Reflection based access to the Module API introduced by JDK 9. This allows the API to be used in * code that must be compiled on a JDK prior to 9. Use of this class must be guarded by a test for * JDK 9 or later. For example: * *
* if (Util.JAVA_SPECIFICATION_VERSION >= 9) { * // Use of ModuleAPI * } **/ public final class ModuleAPI { private ModuleAPI(Method method) { this.method = method; } private final Method method; /** * {@code Class.getModule()}. */ public static final ModuleAPI getModule; /** * {@code jdk.internal.module.Modules.addExports(Module, String, Module)}. */ public static final ModuleAPI addExports; /** * {@code java.lang.reflect.Module.getResourceAsStream(String)}. */ public static final ModuleAPI getResourceAsStream; /** * {@code java.lang.reflect.Module.canRead(Module)}. */ public static final ModuleAPI canRead; /** * {@code java.lang.reflect.Module.isExported(String)}. */ public static final ModuleAPI isExported; /** * {@code java.lang.reflect.Module.isExported(String, Module)}. */ public static final ModuleAPI isExportedTo; /** * Invokes the static Module API method represented by this object. */ @SuppressWarnings("unchecked") public