Package org.apache.log4j.helpers

Class PatternParser

java.lang.Object

org.apache.log4j.helpers.PatternParser

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

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	PatternParser.BasicPatternConverter
private class	PatternParser.CategoryPatternConverter
private class	PatternParser.ClassNamePatternConverter
private static class	PatternParser.DatePatternConverter
private static class	PatternParser.LiteralPatternConverter
private class	PatternParser.LocationPatternConverter
private static class	PatternParser.MDCPatternConverter
private static class	PatternParser.NamedPatternConverter

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static int	CLASS_LOCATION_CONVERTER
private static int	CONVERTER_STATE
protected java.lang.StringBuffer	currentLiteral
private static int	DOT_STATE
private static char	ESCAPE_CHAR
(package private) static int	FILE_LOCATION_CONVERTER
protected FormattingInfo	formattingInfo
(package private) static int	FULL_LOCATION_CONVERTER
(package private) PatternConverter	head
protected int	i
(package private) static int	LEVEL_CONVERTER
(package private) static int	LINE_LOCATION_CONVERTER
private static int	LITERAL_STATE
private static int	MAX_STATE
(package private) static int	MESSAGE_CONVERTER
(package private) static int	METHOD_LOCATION_CONVERTER
private static int	MIN_STATE
(package private) static int	NDC_CONVERTER
protected java.lang.String	pattern
protected int	patternLength
(package private) static int	RELATIVE_TIME_CONVERTER
(package private) int	state
(package private) PatternConverter	tail
(package private) static int	THREAD_CONVERTER

Constructor Summary

Constructors

Constructor	Description
PatternParser(java.lang.String pattern)

Method Summary

Modifier and Type	Method	Description
protected void	addConverter(PatternConverter pc)
private void	addToList(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

ESCAPE_CHAR

private static final char ESCAPE_CHAR

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Constant Field Values

LITERAL_STATE

private static final int LITERAL_STATE

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Constant Field Values

CONVERTER_STATE

private static final int CONVERTER_STATE

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Constant Field Values

DOT_STATE

private static final int DOT_STATE

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Constant Field Values

MIN_STATE

private static final int MIN_STATE

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Constant Field Values

MAX_STATE

private static final int MAX_STATE

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Constant Field Values

FULL_LOCATION_CONVERTER

static final int FULL_LOCATION_CONVERTER

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Constant Field Values

METHOD_LOCATION_CONVERTER

static final int METHOD_LOCATION_CONVERTER

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Constant Field Values

CLASS_LOCATION_CONVERTER

static final int CLASS_LOCATION_CONVERTER

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Constant Field Values

LINE_LOCATION_CONVERTER

static final int LINE_LOCATION_CONVERTER

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Constant Field Values

FILE_LOCATION_CONVERTER

static final int FILE_LOCATION_CONVERTER

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Constant Field Values

RELATIVE_TIME_CONVERTER

static final int RELATIVE_TIME_CONVERTER

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Constant Field Values

THREAD_CONVERTER

static final int THREAD_CONVERTER

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Constant Field Values

LEVEL_CONVERTER

static final int LEVEL_CONVERTER

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Constant Field Values

NDC_CONVERTER

static final int NDC_CONVERTER

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Constant Field Values

MESSAGE_CONVERTER

static final int MESSAGE_CONVERTER

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Constant Field Values

state

int state

currentLiteral

protected java.lang.StringBuffer currentLiteral

patternLength

protected int patternLength

i

protected int i

head

PatternConverter head

tail

PatternConverter tail

formattingInfo

protected FormattingInfo formattingInfo

pattern

protected java.lang.String pattern

Constructor Detail

PatternParser

public PatternParser(java.lang.String pattern)

Method Detail

addToList

private void addToList(PatternConverter pc)

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)