org.apache.logging.log4j.core.lookup
Class EnvironmentLookup

java.lang.Object
  extended by org.apache.logging.log4j.core.lookup.EnvironmentLookup
All Implemented Interfaces:
StrLookup

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

Looks up keys from environment variables.


Constructor Summary
EnvironmentLookup()
           
 
Method Summary
 String lookup(LogEvent event, String key)
          Looks up the value of the environment variable.
 String lookup(String key)
          Looks up the value of the environment variable.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

EnvironmentLookup

public EnvironmentLookup()
Method Detail

lookup

public String lookup(String key)
Looks up the value of the environment variable.

Specified by:
lookup in interface StrLookup
Parameters:
key - the key to be looked up, may be null
Returns:
The value of the environment variable.

lookup

public String lookup(LogEvent event,
                     String key)
Looks up the value of the environment variable.

Specified by:
lookup in interface StrLookup
Parameters:
event - The current LogEvent (is ignored by this StrLookup).
key - the key to be looked up, may be null
Returns:
The value of the environment variable.


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