    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 java.util.Map;
    020
    021    import org.apache.logging.log4j.ThreadContext;
    022    import org.slf4j.spi.MDCAdapter;
    023
    024    /**
    025     *
    026     */
    027    public 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    }