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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements. See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache license, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License. You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the license for the specific language governing permissions and
15   * limitations under the license.
16   */
17  package org.slf4j.helpers;
18  
19  import org.apache.logging.log4j.ThreadContext;
20  import org.slf4j.spi.MDCAdapter;
21  
22  import java.util.Map;
23  
24  /**
25   *
26   */
27  public class Log4JMDCAdapter implements MDCAdapter {
28  
29      public void put(String key, String val) {
30          ThreadContext.put(key, val);
31      }
32  
33      public String get(String key) {
34          return ThreadContext.get(key);
35      }
36  
37      public void remove(String key) {
38          ThreadContext.remove(key);
39      }
40  
41      public void clear() {
42          ThreadContext.clear();
43      }
44  
45      public Map getCopyOfContextMap() {
46          return ThreadContext.getContext();
47      }
48  
49      public void setContextMap(Map map) {
50          ThreadContext.clear();
51          for (Map.Entry<String, String> entry : ((Map<String, String>) map).entrySet()) {
52              ThreadContext.put(entry.getKey(), entry.getValue());
53          }
54      }
55  }