--- /dev/null 2015-11-20 17:44:36.000000000 +0100 +++ new/jdk/test/java/lang/System/LoggerFinder/internal/PlatformLoggerBridgeTest/CustomSystemClassLoader.java 2015-11-20 17:44:36.000000000 +0100 @@ -0,0 +1,101 @@ +/* + * Copyright (c) 2015, 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.File; +import java.io.IOException; +import java.net.URL; +import java.nio.file.Files; +import java.security.AllPermission; +import java.security.Permissions; +import java.security.ProtectionDomain; + + +/** + * A custom ClassLoader to load the concrete LoggerFinder class + * with all permissions. + * + * @author danielfuchs + */ +public class CustomSystemClassLoader extends ClassLoader { + + + Class loggerFinderClass = null; + + public CustomSystemClassLoader() { + super(); + } + public CustomSystemClassLoader(ClassLoader parent) { + super(parent); + } + + private Class defineFinderClass(String name) + throws ClassNotFoundException { + final Object obj = getClassLoadingLock(name); + synchronized(obj) { + if (loggerFinderClass != null) return loggerFinderClass; + + URL url = this.getClass().getProtectionDomain().getCodeSource().getLocation(); + File file = new File(url.getPath(), name+".class"); + if (file.canRead()) { + try { + byte[] b = Files.readAllBytes(file.toPath()); + Permissions perms = new Permissions(); + perms.add(new AllPermission()); + loggerFinderClass = defineClass( + name, b, 0, b.length, new ProtectionDomain( + this.getClass().getProtectionDomain().getCodeSource(), + perms)); + System.out.println("Loaded " + name); + return loggerFinderClass; + } catch (Throwable ex) { + ex.printStackTrace(); + throw new ClassNotFoundException(name, ex); + } + } else { + throw new ClassNotFoundException(name, + new IOException(file.toPath() + ": can't read")); + } + } + } + + @Override + public synchronized Class loadClass(String name, boolean resolve) throws ClassNotFoundException { + if (name.endsWith("$LogProducerFinder")) { + Class c = defineFinderClass(name); + if (resolve) { + resolveClass(c); + } + return c; + } + return super.loadClass(name, resolve); + } + + @Override + protected Class findClass(String name) throws ClassNotFoundException { + if (name.endsWith("$$LogProducerFinder")) { + return defineFinderClass(name); + } + return super.findClass(name); + } + +}