1 package org.slf4j.helpers;
2
3 import java.util.Map;
4
5 import org.slf4j.spi.MDCAdapter;
6
7 /**
8 * This adapter is an empty implementation of the {@link MDCAdapter} interface.
9 * It is used for all logging systems which do not support mapped
10 * diagnostic contexts such as JDK14, simple and NOP.
11 *
12 * @author Ceki Gülcü
13 *
14 * @since 1.4.1
15 */
16 public class NOPMDCAdapter implements MDCAdapter {
17
18 public void clear() {
19 }
20
21 public String get(String key) {
22 return null;
23 }
24
25 public void put(String key, String val) {
26 }
27
28 public void remove(String key) {
29 }
30
31 public Map getCopyOfContextMap() {
32 return null;
33 }
34
35 public void setContextMap(Map contextMap) {
36 // NOP
37 }
38
39 }