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net.jxta.ext.config
Class ConfiguratorTest.LogErrorAppender  

java.lang.Object
  org.apache.log4j.AppenderSkeleton
      net.jxta.ext.config.ConfiguratorTest.LogErrorAppender

All Implemented Interfaces:

org.apache.log4j.Appender, org.apache.log4j.spi.OptionHandler

Enclosing class:

ConfiguratorTest

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private static class ConfiguratorTest.LogErrorAppender

extends org.apache.log4j.AppenderSkeleton

Custom appender to catch exceptions that would otherwise disappear in the log.

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Field Summary

 

Fields inherited from class org.apache.log4j.AppenderSkeleton

closed, errorHandler, headFilter, layout, name, tailFilter, threshold

 

Constructor Summary
private	ConfiguratorTest.LogErrorAppender()

 

Method Summary
protected  void	append(org.apache.log4j.spi.LoggingEvent event)           Subclasses of AppenderSkeleton should implement this method to perform actual logging.
void	close()           Release any resources allocated within the appender such as file handles, network connections, etc.
boolean	requiresLayout()           Configurators call this method to determine if the appender requires a layout.

 

Methods inherited from class org.apache.log4j.AppenderSkeleton

activateOptions, addFilter, clearFilters, doAppend, finalize, getErrorHandler, getFilter, getFirstFilter, getLayout, getName, getThreshold, isAsSevereAsThreshold, setErrorHandler, setLayout, setName, setThreshold

 

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

ConfiguratorTest.LogErrorAppender

private ConfiguratorTest.LogErrorAppender()

Method Detail

append

protected void append(org.apache.log4j.spi.LoggingEvent event)

Description copied from class: org.apache.log4j.AppenderSkeleton

Subclasses of AppenderSkeleton should implement this method to perform actual logging. See also AppenderSkeleton.doAppend 55 method.

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close

public void close()

Description copied from interface: org.apache.log4j.Appender

Release any resources allocated within the appender such as file handles, network connections, etc.

It is a programming error to append to a closed appender.

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requiresLayout

public boolean requiresLayout()

Description copied from interface: org.apache.log4j.Appender

Configurators call this method to determine if the appender requires a layout. If this method returns true, meaning that layout is required, then the configurator will configure an layout using the configuration information at its disposal. If this method returns false, meaning that a layout is not required, then layout configuration will be skipped even if there is available layout configuration information at the disposal of the configurator..

In the rather exceptional case, where the appender implementation admits a layout but can also work without it, then the appender should return true.

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