org.apache.log4j
Class PatternLayout

java.lang.Object
  org.apache.log4j.Layout
      org.apache.log4j.PatternLayout

public class PatternLayout
extends Layout

Field Summary

Fields inherited from class org.apache.log4j.Layout

LINE_SEP_LEN

Constructor Summary

PatternLayout(String pattern)

Method Summary

String	format(LoggingEvent event) Implement this method to create your own layout format.
boolean	ignoresThrowable() If the layout handles the throwable object contained within LoggingEvent, then the layout should return false.

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

PatternLayout

public PatternLayout(String pattern)

Method Detail

format

public String format(LoggingEvent event)

Description copied from class: Layout

Implement this method to create your own layout format.

Specified by:

format in class Layout

Parameters:

event - The LoggingEvent.

Returns:

The formatted LoggingEvent.

ignoresThrowable

public boolean ignoresThrowable()

Description copied from class: Layout

If the layout handles the throwable object contained within LoggingEvent, then the layout should return false. Otherwise, if the layout ignores throwable object, then the layout should return true. If ignoresThrowable is true, the appender is responsible for rendering the throwable.

The SimpleLayout, TTCCLayout, PatternLayout all return true. The org.apache.log4j.xml.XMLLayout returns false.

Specified by:

ignoresThrowable in class Layout

Returns:

true if the Layout ignores Throwables.