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