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.slf4j.helpers; 018 019 import org.apache.logging.log4j.ThreadContext; 020 import org.slf4j.spi.MDCAdapter; 021 022 import java.util.HashMap; 023 import java.util.Map; 024 025 /** 026 * 027 */ 028 public class Log4JMDCAdapter implements MDCAdapter { 029 030 public void put(String key, String val) { 031 ThreadContext.put(key, val); 032 } 033 034 public String get(String key) { 035 return ThreadContext.get(key); 036 } 037 038 public void remove(String key) { 039 ThreadContext.remove(key); 040 } 041 042 public void clear() { 043 ThreadContext.clear(); 044 } 045 046 public Map getCopyOfContextMap() { 047 return ThreadContext.getContext(); 048 } 049 050 public void setContextMap(Map map) { 051 ThreadContext.clear(); 052 for (Map.Entry<String, String> entry : ((Map<String, String>) map).entrySet()) { 053 ThreadContext.put(entry.getKey(), entry.getValue()); 054 } 055 } 056 }