1 /** 2 * Copyright (c) 2004-2011 QOS.ch 3 * All rights reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be 14 * included in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 * 24 */ 25 package org.slf4j.helpers; 26 27 import org.slf4j.ILoggerFactory; 28 import org.slf4j.Logger; 29 30 import java.util.ArrayList; 31 import java.util.List; 32 import java.util.concurrent.ConcurrentHashMap; 33 import java.util.concurrent.ConcurrentMap; 34 35 /** 36 * SubstituteLoggerFactory manages instances of {@link SubstituteLogger}. 37 * 38 * @author Ceki Gülcü 39 * @author Chetan Mehrotra 40 */ 41 public class SubstituteLoggerFactory implements ILoggerFactory { 42 43 final ConcurrentMap<String, SubstituteLogger> loggers = new ConcurrentHashMap<String, SubstituteLogger>(); 44 getLogger(String name)45 public Logger getLogger(String name) { 46 SubstituteLogger logger = loggers.get(name); 47 if (logger == null) { 48 logger = new SubstituteLogger(name); 49 SubstituteLogger oldLogger = loggers.putIfAbsent(name, logger); 50 if (oldLogger != null) 51 logger = oldLogger; 52 } 53 return logger; 54 } 55 getLoggerNames()56 public List<String> getLoggerNames() { 57 return new ArrayList<String>(loggers.keySet()); 58 } 59 getLoggers()60 public List<SubstituteLogger> getLoggers() { 61 return new ArrayList<SubstituteLogger>(loggers.values()); 62 } 63 clear()64 public void clear() { 65 loggers.clear(); 66 } 67 } 68