Class EnvironmentLookup
- java.lang.Object
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- org.apache.logging.log4j.core.lookup.AbstractLookup
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- org.apache.logging.log4j.core.lookup.EnvironmentLookup
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- All Implemented Interfaces:
StrLookup
@Plugin(name="env", category="Lookup") public class EnvironmentLookup extends AbstractLookup
Looks up keys from environment variables.
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Constructor Summary
Constructors Constructor Description EnvironmentLookup()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.String
lookup(LogEvent event, java.lang.String key)
Looks up the value of the environment variable.-
Methods inherited from class org.apache.logging.log4j.core.lookup.AbstractLookup
lookup
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Method Detail
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lookup
public java.lang.String lookup(LogEvent event, java.lang.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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