ERXPatternLayout

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er.extensions
Class ERXPatternLayout

java.lang.Object
  org.apache.log4j.Layout
      org.apache.log4j.PatternLayout
          er.extensions.ERXPatternLayout

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

public class ERXPatternLayout
extends org.apache.log4j.PatternLayout

The ERXPatternLayout adds some additional (and needed) layout options. The first is by specifing an '@' character a full backtrace will be logged as part of the log event. The second is by specifing an '$' char the current application name of the WOApplication will be logged as part of the log event. Finally by specifing an '#' char the current port number on which the primary adaptor listens to will be logged as part of the log event.

 WebObjects Applicaion Info Patterns
 Example: %W{n[i:p s]} -- MyApp[9300:2001 28] 
 
 n: application name
 i: pid (process ID, provided through Java system property "com.webobjects.pid") 
 p: primary adaptor's port number
 s: active session count
 
 Java VM (Virtual Machine) Info Patterns
 Example: %V{u used/f free} -- 75.22 MB used/12.86 MB free
 
 t: total memory
 u: used memory 
 f: free memory in the current heap size (not max)

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

ERXPatternLayout()
          Default constructor.

ERXPatternLayout(java.lang.String pattern)
          Default constructor.

Method Summary

org.apache.log4j.helpers.PatternParser createPatternParser(java.lang.String pattern)
          Creates a pattern parser for the given 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

Constructor Detail