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 java.util.Map;
20
21 import org.apache.logging.log4j.ThreadContext;
22 import org.slf4j.spi.MDCAdapter;
23
24 /**
25 *
26 */
27 public class Log4jMDCAdapter implements MDCAdapter {
28
29 @Override
30 public void put(final String key, final String val) {
31 ThreadContext.put(key, val);
32 }
33
34 @Override
35 public String get(final String key) {
36 return ThreadContext.get(key);
37 }
38
39 @Override
40 public void remove(final String key) {
41 ThreadContext.remove(key);
42 }
43
44 @Override
45 public void clear() {
46 ThreadContext.clear();
47 }
48
49 @Override
50 public Map<String, String> getCopyOfContextMap() {
51 return ThreadContext.getContext();
52 }
53
54 @Override
55 @SuppressWarnings("unchecked") // nothing we can do about this, restricted by SLF4J API
56 public void setContextMap(final Map map) {
57 ThreadContext.clear();
58 for (final Map.Entry<String, String> entry : ((Map<String, String>) map).entrySet()) {
59 ThreadContext.put(entry.getKey(), entry.getValue());
60 }
61 }
62 }