Package org.apache.logging.log4j.core.pattern

Class PatternParser

java.lang.Object

org.apache.logging.log4j.core.pattern.PatternParser

public final 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 PatternConverters.

Constructor Summary

Constructors

Constructor	Description
PatternParser(String converterKey)	Constructor.
PatternParser(Configuration config, String converterKey, Class<?> expected)	Constructor.
PatternParser(Configuration config, String converterKey, Class<?> expectedClass, Class<?> filterClass)	Constructor.

Method Summary

Modifier and Type	Method	Description
List<PatternFormatter>	parse(String pattern)
List<PatternFormatter>	parse(String pattern, boolean alwaysWriteExceptions, boolean noConsoleNoAnsi)
List<PatternFormatter>	parse(String pattern, boolean alwaysWriteExceptions, boolean disableAnsi, boolean noConsoleNoAnsi)
void	parse(String pattern, List<PatternConverter> patternConverters, List<FormattingInfo> formattingInfos, boolean noConsoleNoAnsi, boolean convertBackslashes)	Parse a format specifier.
void	parse(String pattern, List<PatternConverter> patternConverters, List<FormattingInfo> formattingInfos, boolean disableAnsi, boolean noConsoleNoAnsi, boolean convertBackslashes)	Parse a format specifier.

Methods inherited from class java.lang.Object

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

Constructor Details

PatternParser

public PatternParser(String converterKey)

Constructor.

Parameters:

converterKey - The type of converters that will be used.

PatternParser

public PatternParser(Configuration config,
 String converterKey,
 Class<?> expected)

Constructor.

Parameters:

config - The current Configuration or null.

converterKey - The key to lookup the converters.

expected - The expected base Class of each Converter or null.

PatternParser

public PatternParser(Configuration config,
 String converterKey,
 Class<?> expectedClass,
 Class<?> filterClass)

Constructor.

Parameters:

config - The current Configuration or null.

converterKey - The key to lookup the converters.

expectedClass - The expected base Class of each Converter or null.

filterClass - Filter the returned plugins after calling the plugin manager, can be null.

Method Details

parse

public List<PatternFormatter> parse(String pattern)

parse

public List<PatternFormatter> parse(String pattern,
 boolean alwaysWriteExceptions,
 boolean noConsoleNoAnsi)

parse

public List<PatternFormatter> parse(String pattern,
 boolean alwaysWriteExceptions,
 boolean disableAnsi,
 boolean noConsoleNoAnsi)

parse

public void parse(String pattern,
 List<PatternConverter> patternConverters,
 List<FormattingInfo> formattingInfos,
 boolean noConsoleNoAnsi,
 boolean convertBackslashes)

Parse a format specifier.

Parameters:

pattern - pattern to parse.

patternConverters - list to receive pattern converters.

formattingInfos - list to receive field specifiers corresponding to pattern converters.

noConsoleNoAnsi - do not do not output ANSI escape codes if System.console()

convertBackslashes - if true, backslash characters are treated as escape characters and character sequences like "\" followed by "t" (backslash+t) are converted to special characters like '\t' (tab).

parse

public void parse(String pattern,
 List<PatternConverter> patternConverters,
 List<FormattingInfo> formattingInfos,
 boolean disableAnsi,
 boolean noConsoleNoAnsi,
 boolean convertBackslashes)

Parse a format specifier.

Parameters:

pattern - pattern to parse.

patternConverters - list to receive pattern converters.

formattingInfos - list to receive field specifiers corresponding to pattern converters.

disableAnsi - do not output ANSI escape codes

noConsoleNoAnsi - do not do not output ANSI escape codes if System.console()

convertBackslashes - if true, backslash characters are treated as escape characters and character sequences like "\" followed by "t" (backslash+t) are converted to special characters like '\t' (tab).