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, LINE_SEP_LEN

Constructor Summary

Constructors

Constructor and Description
PatternLayout(String pattern)

Method Summary

Modifier and Type	Method and Description
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 XMLLayout returns false.

Specified by:

ignoresThrowable in class Layout

Returns:

true if the Layout ignores Throwables.