org.slf4j.impl
Class Log4jMDCAdapter

java.lang.Object
  extended by org.slf4j.impl.Log4jMDCAdapter
All Implemented Interfaces:
MDCAdapter

public class Log4jMDCAdapter
extends Object
implements MDCAdapter


Constructor Summary
Log4jMDCAdapter()
           
 
Method Summary
 void clear()
          Clear all entries in the MDC.
 String get(String key)
          Get the context identified by the key parameter.
 Map getCopyOfContextMap()
          Return a copy of the current thread's context map, with keys and values of type String.
 void put(String key, String val)
          Put a context value (the val parameter) as identified with the key parameter into the current thread's context map.
 void remove(String key)
          Remove the the context identified by the key parameter.
 void setContextMap(Map contextMap)
          Set the current thread's context map by first clearing any existing map and then copying the map passed as parameter.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Log4jMDCAdapter

public Log4jMDCAdapter()
Method Detail

clear

public void clear()
Description copied from interface: MDCAdapter
Clear all entries in the MDC.

Specified by:
clear in interface MDCAdapter

get

public String get(String key)
Description copied from interface: MDCAdapter
Get the context identified by the key parameter. The key parameter cannot be null.

Specified by:
get in interface MDCAdapter
Returns:
the string value identified by the key parameter.

put

public void put(String key,
                String val)
Put a context value (the val parameter) as identified with the key parameter into the current thread's context map. The key parameter cannot be null. Log4j does not support null for the val parameter.

This method delegates all work to log4j's MDC.

Specified by:
put in interface MDCAdapter
Throws:
IllegalArgumentException - in case the "key" or "val" parameter is null

remove

public void remove(String key)
Description copied from interface: MDCAdapter
Remove the the context identified by the key parameter. The key parameter cannot be null.

This method does nothing if there is no previous value associated with key.

Specified by:
remove in interface MDCAdapter

getCopyOfContextMap

public Map getCopyOfContextMap()
Description copied from interface: MDCAdapter
Return a copy of the current thread's context map, with keys and values of type String. Returned value may be null.

Specified by:
getCopyOfContextMap in interface MDCAdapter
Returns:
A copy of the current thread's context map. May be null.

setContextMap

public void setContextMap(Map contextMap)
Description copied from interface: MDCAdapter
Set the current thread's context map by first clearing any existing map and then copying the map passed as parameter. The context map parameter must only contain keys and values of type String.

Specified by:
setContextMap in interface MDCAdapter
Parameters:
contextMap - must contain only keys and values of type String


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