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org.apache.log4j.helpers
Class PatternConverter  

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

Direct Known Subclasses:

PatternParser.BasicPatternConverter, PatternParser.DatePatternConverter, PatternParser.LiteralPatternConverter, PatternParser.LocationPatternConverter, PatternParser.MDCPatternConverter, PatternParser.NamedPatternConverter

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public abstract class PatternConverter

extends java.lang.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

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Field Summary
(package private)  boolean	leftAlign
(package private)  int	max
(package private)  int	min
PatternConverter	next
(package private) static java.lang.String[]	SPACES

 

Constructor Summary
protected	PatternConverter()
protected	PatternConverter(FormattingInfo fi)

 

Method Summary
protected abstract  java.lang.String	convert(org.apache.log4j.spi.LoggingEvent event)           Derived pattern converters must override this method in order to convert conversion specifiers in the correct way.
void	format(java.lang.StringBuffer sbuf, org.apache.log4j.spi.LoggingEvent e)           A template method for formatting in a converter specific way.
void	spacePad(java.lang.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

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min

int min

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max

int max

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leftAlign

boolean leftAlign

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SPACES

static java.lang.String[] SPACES

Constructor Detail

PatternConverter

protected PatternConverter()

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PatternConverter

protected PatternConverter(FormattingInfo fi)

Method Detail

convert

protected abstract java.lang.String convert(org.apache.log4j.spi.LoggingEvent event)

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

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format

public void format(java.lang.StringBuffer sbuf,
                   org.apache.log4j.spi.LoggingEvent e)

A template method for formatting in a converter specific way.

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spacePad

public void spacePad(java.lang.StringBuffer sbuf,
                     int length)

Fast space padding method.

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