org.slf4j.helpers.SubstituteLoggerFactory Maven / Gradle / Ivy
/**
* Copyright (c) 2004-2011 QOS.ch
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
package org.slf4j.helpers;
import org.slf4j.ILoggerFactory;
import org.slf4j.Logger;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
/**
* SubstituteLoggerFactory manages instances of {@link SubstituteLogger}.
*
* @author Ceki Gülcü
* @author Chetan Mehrotra
*/
public class SubstituteLoggerFactory implements ILoggerFactory {
final ConcurrentMap loggers = new ConcurrentHashMap();
public Logger getLogger(String name) {
SubstituteLogger logger = loggers.get(name);
if (logger == null) {
logger = new SubstituteLogger(name);
SubstituteLogger oldLogger = loggers.putIfAbsent(name, logger);
if (oldLogger != null)
logger = oldLogger;
}
return logger;
}
public List getLoggerNames() {
return new ArrayList(loggers.keySet());
}
public List getLoggers() {
return new ArrayList(loggers.values());
}
public void clear() {
loggers.clear();
}
}