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.Map;
020
021import org.apache.logging.log4j.ThreadContext;
022import org.slf4j.spi.MDCAdapter;
023
024/**
025 *
026 */
027public class Log4jMDCAdapter implements MDCAdapter {
028
029    @Override
030    public void put(final String key, final String val) {
031        ThreadContext.put(key, val);
032    }
033
034    @Override
035    public String get(final String key) {
036        return ThreadContext.get(key);
037    }
038
039    @Override
040    public void remove(final String key) {
041        ThreadContext.remove(key);
042    }
043
044    @Override
045    public void clear() {
046        ThreadContext.clearMap();
047    }
048
049    @Override
050    public Map<String, String> getCopyOfContextMap() {
051        return ThreadContext.getContext();
052    }
053
054    @Override
055    @SuppressWarnings("unchecked") // nothing we can do about this, restricted by SLF4J API
056    public void setContextMap(@SuppressWarnings("rawtypes") final Map map) {
057        ThreadContext.clearMap();
058        for (final Map.Entry<String, String> entry : ((Map<String, String>) map).entrySet()) {
059            ThreadContext.put(entry.getKey(), entry.getValue());
060        }
061    }
062}