001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache license, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the license for the specific language governing permissions and
015 * limitations under the license.
016 */
017package org.apache.logging.slf4j;
018
019import java.util.concurrent.ConcurrentHashMap;
020import java.util.concurrent.ConcurrentMap;
021
022import org.apache.logging.log4j.message.MessageFactory;
023import org.apache.logging.log4j.spi.LoggerContext;
024import org.apache.logging.log4j.spi.ExtendedLogger;
025import org.slf4j.LoggerFactory;
026
027/**
028 *
029 */
030public class SLF4JLoggerContext implements LoggerContext {
031    private final ConcurrentMap<String, SLF4JLogger> loggers = new ConcurrentHashMap<String, SLF4JLogger>();
032
033    @Override
034    public Object getExternalContext() {
035        return null;
036    }
037
038    @Override
039    public ExtendedLogger getLogger(final String name) {
040        if (!loggers.containsKey(name)) {
041            loggers.putIfAbsent(name, new SLF4JLogger(name, LoggerFactory.getLogger(name)));
042        }
043        return loggers.get(name);
044    }
045
046    @Override
047    public ExtendedLogger getLogger(final String name, final MessageFactory messageFactory) {
048        if (!loggers.containsKey(name)) {
049            loggers.putIfAbsent(name, new SLF4JLogger(name, messageFactory, LoggerFactory.getLogger(name)));
050        }
051        return loggers.get(name);
052    }
053
054    @Override
055    public boolean hasLogger(final String name) {
056        return loggers.containsKey(name);
057    }
058}