| /* |
| * 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. |
| */ |
| |
| /* |
| * @test |
| * @summary Test that if module m1 can read module m2, but package p2 in m2 |
| * is exported specifically to module m3, then class p1.c1 in m1 can not |
| * access p2.c2 in m2. |
| * @modules java.base/jdk.internal.misc |
| * @library /test/lib |
| * @compile myloaders/MyDiffClassLoader.java |
| * @compile p2/c2.java |
| * @compile p1/c1.java |
| * @run main/othervm -Xbootclasspath/a:. DiffCL_ExpQualOther |
| */ |
| |
| import static jdk.test.lib.Asserts.*; |
| |
| import java.lang.reflect.Layer; |
| import java.lang.module.Configuration; |
| import java.lang.module.ModuleDescriptor; |
| import java.lang.module.ModuleFinder; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| import myloaders.MyDiffClassLoader; |
| |
| // |
| // ClassLoader1 --> defines m1 --> packages p1 |
| // ClassLoader2 --> defines m2 --> packages p2 |
| // defines m3 --> packages p3 |
| // |
| // m1 can read m2 |
| // package p2 in m2 is exported to m3 |
| // |
| // class p1.c1 defined in m1 tries to access p2.c2 defined in m2 |
| // Access denied since although m1 can read m2, p2 is exported only to m3. |
| // |
| public class DiffCL_ExpQualOther { |
| |
| // Create a Layer over the boot layer. |
| // Define modules within this layer to test access between |
| // publically defined classes within packages of those modules. |
| public void createLayerOnBoot() throws Throwable { |
| |
| // Define module: m1 |
| // Can read: java.base, m2, m3 |
| // Packages: p1 |
| // Packages exported: p1 is exported unqualifiedly |
| ModuleDescriptor descriptor_m1 = |
| ModuleDescriptor.module("m1") |
| .requires("java.base") |
| .requires("m2") |
| .requires("m3") |
| .exports("p1") |
| .build(); |
| |
| // Define module: m2 |
| // Can read: java.base, m3 |
| // Packages: p2 |
| // Packages exported: p2 is exported to m3 |
| ModuleDescriptor descriptor_m2 = |
| ModuleDescriptor.module("m2") |
| .requires("java.base") |
| .exports("p2", Set.of("m3")) |
| .build(); |
| |
| // Define module: m3 |
| // Can read: java.base, m2 |
| // Packages: p3 |
| // Packages exported: none |
| ModuleDescriptor descriptor_m3 = |
| ModuleDescriptor.module("m3") |
| .requires("java.base") |
| .requires("m2") |
| .contains("p3") |
| .build(); |
| |
| // Set up a ModuleFinder containing all modules for this layer. |
| ModuleFinder finder = ModuleLibrary.of(descriptor_m1, descriptor_m2, descriptor_m3); |
| |
| // Resolves "m1" |
| Configuration cf = Layer.boot() |
| .configuration() |
| .resolveRequires(finder, ModuleFinder.of(), Set.of("m1")); |
| |
| // map each module to differing class loaders for this test |
| Map<String, ClassLoader> map = new HashMap<>(); |
| map.put("m1", MyDiffClassLoader.loader1); |
| map.put("m2", MyDiffClassLoader.loader2); |
| map.put("m3", MyDiffClassLoader.loader2); |
| |
| // Create Layer that contains m1 & m2 |
| Layer layer = Layer.boot().defineModules(cf, map::get); |
| |
| assertTrue(layer.findLoader("m1") == MyDiffClassLoader.loader1); |
| assertTrue(layer.findLoader("m2") == MyDiffClassLoader.loader2); |
| assertTrue(layer.findLoader("m3") == MyDiffClassLoader.loader2); |
| assertTrue(layer.findLoader("java.base") == null); |
| |
| // now use the same loader to load class p1.c1 |
| Class p1_c1_class = MyDiffClassLoader.loader1.loadClass("p1.c1"); |
| try { |
| p1_c1_class.newInstance(); |
| throw new RuntimeException("Failed to get IAE (p2 in m2 is exported to m3 not to m1)"); |
| } catch (IllegalAccessError e) { |
| System.out.println(e.getMessage()); |
| if (!e.getMessage().contains("does not export")) { |
| throw new RuntimeException("Wrong message: " + e.getMessage()); |
| } |
| } |
| } |
| |
| public static void main(String args[]) throws Throwable { |
| DiffCL_ExpQualOther test = new DiffCL_ExpQualOther(); |
| test.createLayerOnBoot(); |
| } |
| } |