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

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

@Plugin(name="env",
        category="Lookup")
public class EnvironmentLookup
extends AbstractLookup

Looks up keys from environment variables.


Field Summary
 
Fields inherited from interface org.apache.logging.log4j.core.lookup.StrLookup
CATEGORY
 
Constructor Summary
EnvironmentLookup()
           
 
Method Summary
 String lookup(LogEvent event, String key)
          Looks up the value of the environment variable.
 
Methods inherited from class org.apache.logging.log4j.core.lookup.AbstractLookup
lookup
 
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(LogEvent event,
                     String key)
Looks up the value of the environment variable.

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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