1/* 2 * Copyright (c) 2013, 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 */ 23package testgetglobal; 24 25import java.util.logging.LogManager; 26import java.util.logging.Logger; 27 28/** 29 * This class is used to verify that calling Logger.getLogger(Logger.GLOBAL_LOGGER_NAME) 30 * in the static initializer of a LogManager subclass installed as default 31 * LogManager does not cause issues beyond throwing the expected NPE. 32 * @author danielfuchs 33 */ 34public class LogManagerImpl3 extends LogManager { 35 36 static final Logger global; 37 static { 38 Logger g = null; 39 try { 40 g = Logger.getLogger(Logger.GLOBAL_LOGGER_NAME); 41 throw new Error("Should not have reached here"); 42 } catch (Exception x) { 43 // This is to be expected: Logger.getLogger(Logger.GLOBAL_LOGGER_NAME) 44 // will call LogManager.getLogManager() which will return null, since 45 // we haven't manage to do new LogManagerImpl3() yet. 46 // 47 System.err.println("Got expected exception - you cannot call" 48 + " Logger.getLogger(Logger.GLOBAL_LOGGER_NAME)" 49 + " in LogManager subclass static initializer: " + x); 50 x.printStackTrace(); 51 } 52 if (g == null) { 53 g = Logger.getGlobal(); 54 } 55 global = g; 56 System.err.println("Global is: " + global); 57 } 58 59} 60