1 /* 2 * Copyright (c) 2015, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 import java.io.IOException; 24 import java.lang.System.Logger; 25 import java.nio.file.Files; 26 import java.nio.file.Path; 27 import java.nio.file.Paths; 28 import java.nio.file.StandardCopyOption; 29 import java.util.ResourceBundle; 30 31 /** 32 * 33 * @author danielfuchs 34 */ 35 public final class AccessSystemLogger { 36 37 public AccessSystemLogger() { 38 this(check()); 39 } 40 41 private AccessSystemLogger(Void unused) { 42 } 43 44 private static Void check() { 45 if (AccessSystemLogger.class.getClassLoader() != null) { 46 throw new RuntimeException("AccessSystemLogger should be loaded by the null classloader"); 47 } 48 return null; 49 } 50 51 public Logger getLogger(String name) { 52 Logger logger = System.getLogger(name); 53 System.out.println("System.getLogger(\"" + name + "\"): " + logger); 54 return logger; 55 } 56 57 public Logger getLogger(String name, ResourceBundle bundle) { 58 Logger logger = System.getLogger(name, bundle); 59 System.out.println("System.getLogger(\"" + name + "\", bundle): " + logger); 60 return logger; 61 } 62 63 public java.util.logging.Logger demandSystemLogger(String name) { 64 return java.util.logging.Logger.getLogger(name); 65 } 66 67 // copy AccessSystemLogger.class to ./boot 68 public static void main(String[] args) throws IOException { 69 Path testDir = Paths.get(System.getProperty("user.dir", ".")); 70 Path bootDir = Paths.get(testDir.toString(), "boot"); 71 Path classes = Paths.get(System.getProperty("test.classes", "build/classes")); 72 Path thisClass = Paths.get(classes.toString(), 73 AccessSystemLogger.class.getSimpleName()+".class"); 74 if (Files.notExists(bootDir)) { 75 Files.createDirectory(bootDir); 76 } 77 Path dest = Paths.get(bootDir.toString(), 78 AccessSystemLogger.class.getSimpleName()+".class"); 79 Files.copy(thisClass, dest, StandardCopyOption.REPLACE_EXISTING); 80 } 81 82 }