LogEventPatternConverter (Apache Log4j Core 2.23.0 API)

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Direct Known Subclasses:


    
     AbstractStyleNameConverter


    
     DatePatternConverter


    
     EncodingPatternConverter


    
     EndOfBatchPatternConverter


    
     EqualsBaseReplacementConverter


    
     FileLocationPatternConverter


    
     FullLocationPatternConverter


    
     HighlightConverter


    
     LevelPatternConverter


    
     LineLocationPatternConverter


    
     LineSeparatorPatternConverter


    
     LiteralPatternConverter


    
     LoggerFqcnPatternConverter


    
     MapPatternConverter


    
     MarkerPatternConverter


    
     MarkerSimpleNamePatternConverter


    
     MaxLengthConverter


    
     MdcPatternConverter


    
     MessagePatternConverter


    
     MethodLocationPatternConverter


    
     NamePatternConverter


    
     NanoTimePatternConverter


    
     NdcPatternConverter


    
     ProcessIdPatternConverter


    
     RegexReplacementConverter


    
     RelativeTimePatternConverter


    
     RepeatPatternConverter


    
     SequenceNumberPatternConverter


    
     StyleConverter


    
     ThreadIdPatternConverter


    
     ThreadNamePatternConverter


    
     ThreadPriorityPatternConverter


    
     ThrowablePatternConverter


    
     UuidPatternConverter


    
     VariablesNotEmptyReplacementConverter

public abstract class LogEventPatternConverter extends AbstractPatternConverter

LoggingEventPatternConverter is a base class for pattern converters that can format information from instances of LoggingEvent.

Field Summary

Fields inherited from class org.apache.logging.log4j.core.pattern. AbstractPatternConverter


   
    LOGGER

Fields inherited from interface org.apache.logging.log4j.core.pattern. PatternConverter


   
    CATEGORY


    
     handlesThrowable
    
    ()

Normally pattern converters are not meant to handle Exceptions although few pattern converters might.


    boolean


    
     isVariable
    
    ()

Methods inherited from class org.apache.logging.log4j.core.pattern. AbstractPatternConverter


   
    getName
   
   ,
   
    getStyleClass

Methods inherited from class java.lang. Object


   
    clone
   
   ,
   
    equals
   
   ,
   
    finalize
   
   ,
   
    getClass
   
   ,
   
    hashCode
   
   ,
   
    notify
   
   ,
   
    notifyAll
   
   ,
   
    toString
   
   ,
   
    wait
   
   ,
   
    wait
   
   ,
   
    wait

LogEventPatternConverter

protected LogEventPatternConverter ( String name, String style)

Constructs an instance of LoggingEventPatternConverter.

Parameters:


    name

- name of converter.


    style

- CSS style for output.

public abstract void format ( LogEvent event, StringBuilder toAppendTo)

Formats an event into a string buffer.

Parameters:


    event

- event to format, may not be null.


    toAppendTo

- string buffer to which the formatted event will be appended. May not be null.

public void format ( Object obj, StringBuilder output)

Formats an object into a string buffer.

Parameters:

obj

- event to format, may not be null.


    output

- string buffer to which the formatted event will be appended. May not be null.

handlesThrowable

public boolean handlesThrowable ()

Normally pattern converters are not meant to handle Exceptions although few pattern converters might. By examining the return values for this method, the containing layout will determine whether it handles throwables or not.

Returns:

true if this PatternConverter handles throwables