    001/**
    002 * Copyright (c) 2004-2011 QOS.ch
    003 * All rights reserved.
    004 *
    005 * Permission is hereby granted, free  of charge, to any person obtaining
    006 * a  copy  of this  software  and  associated  documentation files  (the
    007 * "Software"), to  deal in  the Software without  restriction, including
    008 * without limitation  the rights to  use, copy, modify,  merge, publish,
    009 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
    010 * permit persons to whom the Software  is furnished to do so, subject to
    011 * the following conditions:
    012 *
    013 * The  above  copyright  notice  and  this permission  notice  shall  be
    014 * included in all copies or substantial portions of the Software.
    015 *
    016 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
    017 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
    018 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
    019 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
    020 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
    021 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
    022 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    023 *
    024 */
    025package org.slf4j.helpers;
    026
    027import java.util.ArrayList;
    028import java.util.HashMap;
    029import java.util.List;
    030import java.util.Map;
    031import java.util.concurrent.LinkedBlockingQueue;
    032
    033import org.slf4j.ILoggerFactory;
    034import org.slf4j.Logger;
    035import org.slf4j.event.SubstituteLoggingEvent;
    036
    037/**
    038 * SubstituteLoggerFactory manages instances of {@link SubstituteLogger}.
    039 *
    040 * @author Ceki G&uuml;lc&uuml;
    041 * @author Chetan Mehrotra
    042 */
    043public class SubstituteLoggerFactory implements ILoggerFactory {
    044
    045    boolean postInitialization = false;
    046
    047    final Map<String, SubstituteLogger> loggers = new HashMap<String, SubstituteLogger>();
    048
    049    final LinkedBlockingQueue<SubstituteLoggingEvent> eventQueue = new LinkedBlockingQueue<SubstituteLoggingEvent>();
    050
    051    synchronized public  Logger getLogger(String name) {
    052        SubstituteLogger logger = loggers.get(name);
    053        if (logger == null) {
    054            logger = new SubstituteLogger(name, eventQueue, postInitialization);
    055            loggers.put(name, logger);
    056        }
    057        return logger;
    058    }
    059
    060    public List<String> getLoggerNames() {
    061        return new ArrayList<String>(loggers.keySet());
    062    }
    063
    064    public List<SubstituteLogger> getLoggers() {
    065        return new ArrayList<SubstituteLogger>(loggers.values());
    066    }
    067
    068    public LinkedBlockingQueue<SubstituteLoggingEvent> getEventQueue() {
    069        return eventQueue;
    070    }
    071
    072    public void postInitialization() {
    073        postInitialization = true;
    074    }
    075
    076    public void clear() {
    077        loggers.clear();
    078        eventQueue.clear();
    079    }
    080}