1 /* 2 * Copyright (c) 2014, 2016, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.internal.misc; 27 28 import java.lang.module.ModuleDescriptor; 29 import java.lang.reflect.Layer; 30 import java.lang.reflect.Module; 31 import java.net.URI; 32 import java.util.stream.Stream; 33 34 import jdk.internal.module.ServicesCatalog; 35 36 /** 37 * Provides access to non-public methods in java.lang.reflect.Module 38 */ 39 40 public interface JavaLangReflectModuleAccess { 41 42 /** 43 * Defines the unnamed module for the given class loader. 44 */ 45 Module defineUnnamedModule(ClassLoader loader); 46 47 /** 48 * Defines a new module to the Java virtual machine. The module 49 * is defined to the given class loader. 50 * 51 * The URI is for information purposes only, it can be {@code null}. 52 */ 53 Module defineModule(ClassLoader loader, ModuleDescriptor descriptor, URI uri); 54 55 /** 56 * Updates the readability so that module m1 reads m2. The new read edge 57 * does not result in a strong reference to m2 (m2 can be GC'ed). 58 * 59 * This method is the same as m1.addReads(m2) but without a permission check. 60 */ 61 void addReads(Module m1, Module m2); 62 63 /** 64 * Updates module m to read all unnamed modules. 65 */ 66 void addReadsAllUnnamed(Module m); 67 68 /** 69 * Update module m to export a package to all modules. 70 */ 71 void addExports(Module m, String pn); 72 73 /** 74 * Updates module m1 to export a package to module m2. The export does 75 * not result in a strong reference to m2 (m2 can be GC'ed). 76 */ 77 void addExports(Module m1, String pkg, Module m2); 78 79 /** 80 * Updates a module m to export a package to all unnamed modules. 81 */ 82 void addExportsToAllUnnamed(Module m, String pkg); 83 84 /** 85 * Updates a module m to open a package to all modules. 86 */ 87 void addOpens(Module m, String pkg); 88 89 /** 90 * Updates module m1 to open a package to module m2. Opening the 91 * package does not result in a strong reference to m2 (m2 can be GC'ed). 92 */ 93 void addOpens(Module m1, String pkg, Module m2); 94 95 /** 96 * Updates a module m to open a package to all unnamed modules. 97 */ 98 void addOpensToAllUnnamed(Module m, String pkg); 99 100 /** 101 * Updates a module m to use a service. 102 */ 103 void addUses(Module m, Class<?> service); 104 105 /** 106 * Returns the ServicesCatalog for the given Layer. 107 */ 108 ServicesCatalog getServicesCatalog(Layer layer); 109 110 /** 111 * Returns an ordered stream of layers. The first element is is the 112 * given layer, the remaining elements are its parents, in DFS order. 113 */ 114 Stream<Layer> layers(Layer layer); 115 116 /** 117 * Returns a stream of the layers that have modules defined to the 118 * given class loader. 119 */ 120 Stream<Layer> layers(ClassLoader loader); 121 }