Class AbstractLookup

java.lang.Object

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

All Implemented Interfaces:

StrLookup

Direct Known Subclasses:

AbstractConfigurationAwareLookup, DockerLookup, EnvironmentLookup, EventLookup, JavaLookup, JndiLookup, LowerLookup, MarkerLookup, ResourceBundleLookup, StructuredDataLookup, 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)