Package org.apache.log4j.helpers

Class PatternParser

java.lang.Object

org.apache.log4j.helpers.PatternParser

Direct Known Subclasses:

BridgePatternParser

public class PatternParser
extends java.lang.Object

Most of the work of the PatternLayout class is delegated to the PatternParser class.

It is this class that parses conversion patterns and creates a chained list of OptionConverters.

Since:

0.8.2

Author:

James P. Cakalic, Ceki Gülcü, Anders Kristensen

Field Summary

Fields

Modifier and Type	Field	Description
protected java.lang.StringBuffer	currentLiteral
protected FormattingInfo	formattingInfo
protected int	i
protected java.lang.String	pattern
protected int	patternLength

Constructor Summary

Constructors

Constructor	Description
PatternParser(java.lang.String pattern)

Method Summary

Modifier and Type	Method	Description
protected void	addConverter(PatternConverter pc)
protected java.lang.String	extractOption()
protected int	extractPrecisionOption()	The option is expected to be in decimal and positive.
protected void	finalizeConverter(char c)
PatternConverter	parse()

Methods inherited from class java.lang.Object

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

Field Detail

currentLiteral

protected java.lang.StringBuffer currentLiteral

patternLength

protected int patternLength

i

protected int i

formattingInfo

protected FormattingInfo formattingInfo

pattern

protected java.lang.String pattern

Constructor Detail

PatternParser

public PatternParser(java.lang.String pattern)

Method Detail

extractOption

protected java.lang.String extractOption()

extractPrecisionOption

protected int extractPrecisionOption()

The option is expected to be in decimal and positive. In case of error, zero is returned.

parse

public PatternConverter parse()

finalizeConverter

protected void finalizeConverter(char c)

addConverter

protected void addConverter(PatternConverter pc)