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

Provides classes implementing format specifiers in conversion patterns.

See:
Description

Interface Summary
ArrayPatternConverter | `PatternConverter`s implement this interface to accept an array of objects when formatting.
PatternConverter | Interface that all PatternConverters must implement.

Class Summary
AbstractPatternConverter | AbstractPatternConverter is an abstract class that provides the formatting functionality that derived classes need.
AbstractStyleNameConverter | Style pattern converter.
AbstractStyleNameConverter.Black | Black style pattern converter.
AbstractStyleNameConverter.Blue | Blue style pattern converter.
AbstractStyleNameConverter.Cyan | Cyan style pattern converter.
AbstractStyleNameConverter.Green | Green style pattern converter.
AbstractStyleNameConverter.Magenta | Magenta style pattern converter.
AbstractStyleNameConverter.Red | Red style pattern converter.
AbstractStyleNameConverter.White | White style pattern converter.
AbstractStyleNameConverter.Yellow | Yellow style pattern converter.
ClassNamePatternConverter | Formats the class name of the site of the logging request.
DatePatternConverter | Convert and format the event's date in a StringBuilder.
EncodingPatternConverter | Returns the event's rendered message in a StringBuilder.
ExtendedThrowablePatternConverter | Outputs the Throwable portion of the LoggingEvent as a full stack trace unless this converter's option is 'short', where it just outputs the first line of the trace, or if the number of lines to print is explicitly specified.
FileDatePatternConverter | Formats a date by delegating to `DatePatternConverter`.
FileLocationPatternConverter | Returns the event's line location information in a StringBuilder.
FormattingInfo | Modifies the output of a pattern converter for a specified minimum and maximum width and alignment.
FullLocationPatternConverter | Format the event's line location information.
HighlightConverter | Highlight pattern converter.
IntegerPatternConverter | Formats an integer.
LevelPatternConverter | Returns the event's level in a StringBuilder.
LineLocationPatternConverter | Returns the event's line location information in a StringBuilder.
LineSeparatorPatternConverter | Formats a line separator.
LiteralPatternConverter | Formats a string literal.
LogEventPatternConverter | LoggingEventPatternConverter is a base class for pattern converters that can format information from instances of LoggingEvent.
LoggerPatternConverter | Formats a logger name.
MapPatternConverter | Able to handle the contents of the LogEvent's MapMessage and either output the entire contents of the properties in a similar format to the java.util.Hashtable.toString(), or to output the value of a specific key within the Map.
MarkerPatternConverter | Returns the event's rendered message in a StringBuilder.
MdcPatternConverter | Able to handle the contents of the LogEvent's MDC and either output the entire contents of the properties in a similar format to the java.util.Hashtable.toString(), or to output the value of a specific key within the property bundle when this pattern converter has the option set.
MessagePatternConverter | Returns the event's rendered message in a StringBuilder.
MethodLocationPatternConverter | Returns the event's line location information in a StringBuilder.
NameAbbreviator | NameAbbreviator generates abbreviated logger and class names.
NamePatternConverter | Abstract base class for other pattern converters which can return only parts of their name.
NdcPatternConverter | Returns the event's NDC in a StringBuilder.
PatternFormatter |
PatternParser | Most of the work of the `PatternLayout` class is delegated to the PatternParser class.
RegexReplacement | Replace tokens in the LogEvent message.
RegexReplacementConverter | Replacement pattern converter.
RelativeTimePatternConverter | Returns the relative time in milliseconds since JVM Startup.
RootThrowablePatternConverter | Outputs the Throwable portion of the LoggingEvent as a full stack trace unless this converter's option is 'short', where it just outputs the first line of the trace, or if the number of lines to print is explicitly specified.
SequenceNumberPatternConverter | Formats the event sequence number.
StyleConverter | Style pattern converter.
ThreadPatternConverter | Formats the event thread name.
ThrowablePatternConverter | Outputs the Throwable portion of the LoggingEvent as a full stack trace unless this converter's option is 'short', where it just outputs the first line of the trace, or if the number of lines to print is explicitly specified.
UuidPatternConverter | Formats the event sequence number.

Enum Summary
AnsiEscape | Converts text into ANSI escape sequences.

Annotation Types Summary
ConverterKeys | Identifies the keys that are associated with a PatternConverter.

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

Provides classes implementing format specifiers in conversion patterns.

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