org.apache.log4j
Class SimpleLayout

java.lang.Object
  extended by org.apache.log4j.Layout
      extended by org.apache.log4j.SimpleLayout
All Implemented Interfaces:
OptionHandler

public class SimpleLayout
extends Layout

SimpleLayout consists of the level of the log statement, followed by " - " and then the log message itself. For example,

           DEBUG - Hello world
   

Since:
version 0.7.0

PatternLayout offers a much more powerful alternative.

Author:
Ceki Gülcü

Field Summary
 
Fields inherited from class org.apache.log4j.Layout
LINE_SEP, LINE_SEP_LEN
 
Constructor Summary
SimpleLayout()
           
 
Method Summary
 void activateOptions()
          Activate the options that were previously set with calls to option setters.
 String format(LoggingEvent event)
          Returns the log statement in a format consisting of the level, followed by " - " and then the message.
 boolean ignoresThrowable()
          The SimpleLayout does not handle the throwable contained within LoggingEvents.
 
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

SimpleLayout

public SimpleLayout()
Method Detail

activateOptions

public void activateOptions()
Description copied from interface: OptionHandler
Activate the options that were previously set with calls to option setters.

This allows to defer activiation of the options until all options have been set. This is required for components which have related options that remain ambigous until all are set.

For example, the FileAppender has the File and Append options both of which are ambigous until the other is also set.


format

public String format(LoggingEvent event)
Returns the log statement in a format consisting of the level, followed by " - " and then the message. For example,
 INFO - "A message"
     

The category parameter is ignored.

Specified by:
format in class Layout
Returns:
A byte array in SimpleLayout format.

ignoresThrowable

public boolean ignoresThrowable()
The SimpleLayout does not handle the throwable contained within LoggingEvents. Thus, it returns true.

Specified by:
ignoresThrowable in class Layout
Since:
version 0.8.4


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