LowerLookup (Apache Log4j BOM 2.26.1 API)

java.lang.Object
- org.apache.logging.log4j.core.lookup.AbstractLookup
- - org.apache.logging.log4j.core.lookup.LowerLookup

All Implemented Interfaces:

StrLookup
```
@Plugin(name="lower",
        category="Lookup")
public class LowerLookup
extends AbstractLookup
```
Converts values to lower case. The passed in "key" should be the value of another lookup.

- Field Summary
  - Fields inherited from interface org.apache.logging.log4j.core.lookup.StrLookup
    CATEGORY
- Constructor Summary
  
  Constructors
  Constructor Description
  
  LowerLookup()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  String lookup(LogEvent ignored, String key)
  Converts the "key" to lower case.
  - Methods inherited from class org.apache.logging.log4j.core.lookup.AbstractLookup
    evaluate, lookup
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  - Methods inherited from interface org.apache.logging.log4j.core.lookup.StrLookup
    evaluate

- Constructor Detail
  - LowerLookup
```
public LowerLookup()
```
- Method Detail
  - lookup
```
public String lookup(LogEvent ignored,
                     String key)
```
    Converts the "key" to lower case.
    
    Parameters:
    
    key - the key to be looked up, may be null
    
    ignored - The current LogEvent.
    
    Returns:
    
    The value associated with the key.