1 /* 2 * Copyright (c) 2004-2005 SLF4J.ORG 3 * Copyright (c) 2004-2005 QOS.ch 4 * 5 * All rights reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining 8 * a copy of this software and associated documentation files (the 9 * "Software"), to deal in the Software without restriction, including 10 * without limitation the rights to use, copy, modify, merge, publish, 11 * distribute, and/or sell copies of the Software, and to permit persons 12 * to whom the Software is furnished to do so, provided that the above 13 * copyright notice(s) and this permission notice appear in all copies of 14 * the Software and that both the above copyright notice(s) and this 15 * permission notice appear in supporting documentation. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT 20 * OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 21 * HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY 22 * SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER 23 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF 24 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 25 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 26 * 27 * Except as contained in this notice, the name of a copyright holder 28 * shall not be used in advertising or otherwise to promote the sale, use 29 * or other dealings in this Software without prior written authorization 30 * of the copyright holder. 31 * 32 */ 33 34 package org.slf4j.helpers; 35 36 import java.util.ArrayList; 37 import java.util.List; 38 39 import org.slf4j.ILoggerFactory; 40 import org.slf4j.Logger; 41 42 /** 43 * SubstituteLoggerFactory is an trivial implementation of {@link 44 * ILoggerFactory} which always returns the unique instance of NOPLogger. 45 * 46 * <p> 47 * It used as a temporary substitute for the real ILoggerFactory during its 48 * auto-configuration which may re-enter LoggerFactory to obtain logger 49 * instances. See also http://bugzilla.slf4j.org/show_bug.cgi?id=106 50 * 51 * @author Ceki Gülcü 52 */ 53 public class SubstituteLoggerFactory implements ILoggerFactory { 54 55 // keep a record of requested logger names 56 final List loggerNameList = new ArrayList(); 57 58 public Logger getLogger(String name) { 59 loggerNameList.add(name); 60 return NOPLogger.NOP_LOGGER; 61 } 62 63 public List getLoggerNameList() { 64 return loggerNameList; 65 } 66 67 }