AbstractLookup

java.lang.Object

org.apache.logging.log4j.core.lookup.AbstractLookup

All Implemented Interfaces:: StrLookup

Direct Known Subclasses:: AbstractConfigurationAwareLookup, DockerLookup, EnvironmentLookup, EventLookup, JavaLookup, JndiLookup, MarkerLookup, ResourceBundleLookup, SystemPropertiesLookup, WebLookup

public abstract class AbstractLookup extends Object implements StrLookup

A default lookup for others to extend.

Since:: 2.1

Field Summary

Fields inherited from interface StrLookup
CATEGORY
Constructor Summary

Constructors

Constructor

Description

AbstractLookup()
Method Summary

Modifier and Type

Method

Description

LookupResult

evaluate(String key)

Calls evaluate(null, key) in the implementation.

String

lookup(String key)

Calls lookup(null, key) in the implementation.

Methods inherited from class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface StrLookup
evaluate, lookup

Constructor Details
- AbstractLookup
  
  public AbstractLookup()
Method Details
- lookup
  public String lookup(String key)
  
  Calls lookup(null, key) in the implementation.
  
  Specified by:
  
  lookup in interface StrLookup
  
  Parameters:
  
  key - the key to be looked up, may be null
  
  Returns:
  
  the matching value, null if no match
  
  See Also:
  
  StrLookup.lookup(LogEvent, String)
- evaluate
  public LookupResult evaluate(String key)
  
  Calls evaluate(null, key) in the implementation.
  
  Specified by:
  
  evaluate in interface StrLookup
  
  See Also:
  
  StrLookup.evaluate(LogEvent, String)