Package org.apache.logging.log4j.core.lookup

Class ContextMapLookup

java.lang.Object

org.apache.logging.log4j.core.lookup.ContextMapLookup

All Implemented Interfaces:

StrLookup

@Plugin(name="ctx",
        category="Lookup")
public class ContextMapLookup
extends Object
implements StrLookup

Looks up keys from the context. By default this is the ThreadContext, but users may configure a custom ContextDataInjector which obtains context data from some other source.

Field Summary

Fields inherited from interface org.apache.logging.log4j.core.lookup.StrLookup

CATEGORY

Constructor Summary

Constructors

Constructor	Description
ContextMapLookup()

Method Summary

Modifier and Type	Method	Description
String	lookup(String key)	Looks up the value from the ThreadContext Map.
String	lookup(LogEvent event, String key)	Looks up the value from the ThreadContext Map.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.logging.log4j.core.lookup.StrLookup

evaluate, evaluate

Constructor Details

ContextMapLookup

public ContextMapLookup()

Method Details

lookup

public String lookup(String key)

Looks up the value from the ThreadContext Map.

Specified by:

lookup in interface StrLookup

Parameters:

key - the key to be looked up, may be null

Returns:

The value associated with the key.

lookup

public String lookup(LogEvent event,
 String key)

Looks up the value from the ThreadContext Map.

Specified by:

lookup in interface StrLookup

Parameters:

event - The current LogEvent.

key - the key to be looked up, may be null

Returns:

The value associated with the key.