PatternLayout (JBoss/Common API) - JBoss 4.0.1 sp1 common API Documentation 英文版文档

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org.jboss.logging.layout
Class PatternLayout

java.lang.Object
  org.apache.log4j.Layout
      org.apache.log4j.PatternLayout
          org.jboss.logging.layout.PatternLayout

All Implemented Interfaces:: org.apache.log4j.spi.OptionHandler

public class PatternLayout
extends org.apache.log4j.PatternLayout

A subclass of the log4j PatternLayout that add the following conversion characters:

Version:

$Revision: 1.3 $

Author:

Scott.Stark@jboss.org

Conversion Character Effect
z Used to output current thread NDC value. This can be used to obtain an NDC to augment any NDC associated with the LoggingEvent. This might be necessary if the LoggingEvent has been serialized between VMs.

Z Used to output current thread MDC value. This can be used to obtain an MDC to augment any MDC associated with the LoggingEvent. This might be necessary if the LoggingEvent has been serialized between VMs. The Z conversion character must be followed by the key for the map placed between braces, as in %Z{theKey} where theKey is the key. The value in the MDC corresponding to the key will be output.

Field Summary

Fields inherited from class org.apache.log4j.PatternLayout

BUF_SIZE, DEFAULT_CONVERSION_PATTERN, MAX_CAPACITY, TTCC_CONVERSION_PATTERN

Fields inherited from class org.apache.log4j.Layout

LINE_SEP, LINE_SEP_LEN

Constructor Summary

PatternLayout()

Method Summary

protected org.apache.log4j.helpers.PatternParser createPatternParser(String pattern)

Methods inherited from class org.apache.log4j.PatternLayout

activateOptions, format, getConversionPattern, ignoresThrowable, setConversionPattern

Methods inherited from class org.apache.log4j.Layout

getContentType, getFooter, getHeader

Methods inherited from class java.lang.Object

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

Conversion Character	Effect
z	Used to output current thread NDC value. This can be used to obtain an NDC to augment any NDC associated with the LoggingEvent. This might be necessary if the LoggingEvent has been serialized between VMs.
Z	Used to output current thread MDC value. This can be used to obtain an MDC to augment any MDC associated with the LoggingEvent. This might be necessary if the LoggingEvent has been serialized between VMs. The Z conversion character must be followed by the key for the map placed between braces, as in %Z{theKey} where theKey is the key. The value in the MDC corresponding to the key will be output.

Constructor Detail

PatternLayout

public PatternLayout()

Method Detail

createPatternParser

protected org.apache.log4j.helpers.PatternParser createPatternParser(String pattern)