org.apache.log4j.helpers
Class PatternConverter

java.lang.Object
  org.apache.log4j.helpers.PatternConverter

public abstract class PatternConverter
extends Object

PatternConverter is an abtract class that provides the formatting functionality that derived classes need.

Conversion specifiers in a conversion patterns are parsed to individual PatternConverters. Each of which is responsible for converting a logging event in a converter specific manner.

Since:

0.8.2

Author:

James P. Cakalic, Ceki Gülcü

Field Summary

PatternConverter

next

Constructor Summary

protected	PatternConverter()
protected	PatternConverter(FormattingInfo fi)

Method Summary

protected abstract String	convert(LoggingEvent event) Derived pattern converters must override this method in order to convert conversion specifiers in the correct way.
void	format(StringBuffer sbuf, LoggingEvent e) A template method for formatting in a converter specific way.
void	spacePad(StringBuffer sbuf, int length) Fast space padding method.

Methods inherited from class java.lang.Object

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

Field Detail

next

public PatternConverter next

Constructor Detail

PatternConverter

protected PatternConverter()

PatternConverter

protected PatternConverter(FormattingInfo fi)

Method Detail

convert

protected abstract String convert(LoggingEvent event)

Derived pattern converters must override this method in order to convert conversion specifiers in the correct way.

format

public void format(StringBuffer sbuf,
                   LoggingEvent e)

A template method for formatting in a converter specific way.

spacePad

public void spacePad(StringBuffer sbuf,
                     int length)

Fast space padding method.