| /* |
| * 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. |
| * |
| */ |
| |
| import java.io.*; |
| import java.net.*; |
| import sun.hotspot.WhiteBox; |
| |
| public class LoaderSegregation { |
| // Use these definitions instead of literal strings, to avoid typos. |
| static final String ONLY_BUILTIN = "OnlyBuiltin"; |
| static final String ONLY_UNREGISTERED = "OnlyUnregistered"; |
| |
| public static void main(String args[]) throws Exception { |
| WhiteBox wb = WhiteBox.getWhiteBox(); |
| |
| // [A] An archived BUILTIN class cannot be a subclass of a non-BUILTIN class. |
| // [B] An archived BUILTIN class cannot implement a non-BUILTIN interface. |
| if (wb.isSharedClass(LoaderSegregation.class)) { |
| // [1] check that CustomLoadee is loadable from archive |
| if (!wb.isSharedClass(CustomLoadee.class)) { |
| throw new RuntimeException("wb.isSharedClass(CustomLoadee.class) should be true"); |
| } |
| |
| // [2] CustomInterface2_ia should be archived, even though it was not specified in the classlist. |
| // It was successfully dumped as a side effect of attempting to load CustomLoadee2 |
| // during dump time. Note that CustomLoadee2 failed to dump because one of its interfaces, |
| // CustomInterface2_ib, was not loadable from the BOOT/EXT/APP classpath. during dump time. |
| if (!wb.isSharedClass(CustomInterface2_ia.class)) { |
| throw new RuntimeException("wb.isSharedClass(CustomInterface2_ia.class) should be true"); |
| } |
| |
| // [3] Check that the BUILTIN versions of CustomLoadee2 and CustomLoadee3Child are loadable |
| // at run time (since we have append LoaderSegregation_app2.jar the classpath), |
| // but these classes must be loaded from the JAR file. |
| if (wb.isSharedClass(CustomLoadee2.class)) { |
| throw new RuntimeException("wb.isSharedClass(CustomLoadee2.class) should be false"); |
| } |
| if (wb.isSharedClass(CustomLoadee3.class)) { |
| throw new RuntimeException("wb.isSharedClass(CustomLoadee3.class) should be false"); |
| } |
| if (wb.isSharedClass(CustomLoadee3Child.class)) { |
| throw new RuntimeException("wb.isSharedClass(CustomLoadee3Child.class) should be false"); |
| } |
| } |
| |
| // [C] BUILTIN and UNREGISTERED classes can be loaded only by their corresponding |
| // type of loaders. |
| |
| String path = args[0]; |
| File jarFile = new File(path); |
| URL url = new File(path).toURI().toURL(); |
| URL[] urls = new URL[] {url}; |
| ClassLoader appLoader = LoaderSegregation.class.getClassLoader(); |
| |
| { // BUILTIN LOADER |
| try { |
| appLoader.loadClass(ONLY_UNREGISTERED); |
| throw new RuntimeException("BUILTIN loader cannot load archived UNREGISTERED class"); |
| } catch (ClassNotFoundException expected) {} |
| } |
| |
| { // UNREGISTERED LOADER |
| URLClassLoader urlClassLoader = new URLClassLoader(urls); |
| Class c2 = Util.defineClassFromJAR(urlClassLoader, jarFile, ONLY_BUILTIN); |
| |
| if (c2.getClassLoader() != urlClassLoader) { |
| throw new RuntimeException("Error in test"); |
| } |
| |
| if (wb.isSharedClass(LoaderSegregation.class)) { |
| if (wb.isSharedClass(c2)) { |
| throw new RuntimeException("wb.isSharedClass(c2) should be false - " + |
| "unregistered loader cannot load an archived BUILTIN class"); |
| } |
| } |
| } |
| } |
| } |