org.apache.logging.log4j.core.lookup
Class SystemPropertiesLookup
java.lang.Object
org.apache.logging.log4j.core.lookup.SystemPropertiesLookup
- All Implemented Interfaces:
- StrLookup
@Plugin(name="sys",
category="Lookup")
public class SystemPropertiesLookup
- extends Object
- implements StrLookup
Looks up keys from system properties.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
SystemPropertiesLookup
public SystemPropertiesLookup()
lookup
public String lookup(String key)
- Looks up the value for the key.
- Specified by:
lookup
in interface StrLookup
- Parameters:
key
- the key to be looked up, may be null
- Returns:
- The value for the key.
lookup
public String lookup(LogEvent event,
String key)
- Looks up the value for the key using the data in the LogEvent.
- 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.
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