Log4j Version 1.2.14: Class PatternParser

Log4j 1.2

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Log4j 1.2.14

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org.apache.log4j.helpers Class PatternParser

java.lang.Object
  |
  +--org.apache.log4j.helpers.PatternParser

public class PatternParser
extends 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
`protected StringBuffer`	`currentLiteral`
`protected FormattingInfo`	`formattingInfo`
`protected int`	`i`
`protected String`	`pattern`
`protected int`	`patternLength`

Constructor Summary
`PatternParser(String pattern)`

Method Summary
`protected void`	`addConverter(PatternConverter pc)`
`protected 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 StringBuffer currentLiteral

patternLength

protected int patternLength

i

protected int i

formattingInfo

protected FormattingInfo formattingInfo

pattern

protected String pattern

Constructor Detail

PatternParser

public PatternParser(String pattern)

Method Detail

extractOption

protected 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)