org.apache.log4j

Class Layout

public abstract class Layout extends Object implements OptionHandler

Extend this abstract class to create your own log layout format.

Author: Ceki Gülcü

Field Summary
static String	LINE_SEP
static int	LINE_SEP_LEN

Method Summary
abstract String	format(LoggingEvent event) Implement this method to create your own layout format.
String	getContentType() Returns the content type output by this layout.
String	getFooter() Returns the footer for the layout format.
String	getHeader() Returns the header for the layout format.
abstract boolean	ignoresThrowable() If the layout handles the throwable object contained within LoggingEvent, then the layout should return `false`.

Field Detail

Method Detail

format

public abstract String format(LoggingEvent event)

Implement this method to create your own layout format.

getContentType

public String getContentType()

Returns the content type output by this layout. The base class returns "text/plain".

getFooter

public String getFooter()

Returns the footer for the layout format. The base class returns null.

getHeader

public String getHeader()

Returns the header for the layout format. The base class returns null.

ignoresThrowable

public abstract boolean ignoresThrowable()

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.

The SimpleLayout, TTCCLayout, PatternLayout all return true. The XMLLayout returns false.

Since: 0.8.4