Class EnvironmentLookup

java.lang.Object
org.apache.logging.log4j.core.lookup.AbstractLookup
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.
  • Constructor Details

    • EnvironmentLookup

      public EnvironmentLookup()
  • Method Details

    • 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.