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     */
017    package org.apache.logging.slf4j;
018    
019    import org.apache.logging.log4j.spi.ThreadContextMap;
020    import org.slf4j.MDC;
021    
022    import java.util.Map;
023    
024    /**
025     * Bind the ThreadContextMap to the SLF4J MDC.
026     */
027    public class MDCContextMap implements ThreadContextMap {
028        public void put(final String key, final String value) {
029            MDC.put(key, value);
030        }
031    
032        public String get(final String key) {
033            return MDC.get(key);
034        }
035    
036        public void remove(final String key) {
037            MDC.remove(key);
038        }
039    
040        public void clear() {
041            MDC.clear();
042        }
043    
044        public boolean containsKey(final String key) {
045            return MDC.getCopyOfContextMap().containsKey(key);
046        }
047    
048        public Map<String, String> getContext() {
049            return MDC.getCopyOfContextMap();
050        }
051    
052        public Map<String, String> get() {
053            return MDC.getCopyOfContextMap();
054        }
055    
056        public boolean isEmpty() {
057            return MDC.getCopyOfContextMap().isEmpty();
058        }
059    }