org.apache.log.output
Class PriorityFilteringTarget

java.lang.Object
  org.apache.log.output.AbstractTarget
      org.apache.log.output.PriorityFilteringTarget

All Implemented Interfaces:

Closeable, ErrorAware, LogTarget

public class PriorityFilteringTarget

extends AbstractTarget

This is a priority filtering target that forwards only requests to other (wrapped) targets that have the same or a higher priority.

Author:

Avalon Development Team

Constructor Summary

PriorityFilteringTarget(Priority priority)

PriorityFilteringTarget(Priority priority, boolean closeWrappedTarget)

Method Summary

void	addTarget(LogTarget target) Add a new target to output chain.
void	close() Shutdown target.
protected void	doProcessEvent(LogEvent event) Process a log event, via formatting and outputting it.

Methods inherited from class org.apache.log.output.AbstractTarget

getErrorHandler, isOpen, open, processEvent, setErrorHandler

Methods inherited from class java.lang.Object

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

Constructor Detail

PriorityFilteringTarget

public PriorityFilteringTarget(Priority priority,
                               boolean closeWrappedTarget)

Parameters:

priority - The priority used to filter

closeWrappedTarget - see AbstractWrappingTarget

PriorityFilteringTarget

public PriorityFilteringTarget(Priority priority)

Parameters:

priority - The priority used to filter

Method Detail

addTarget

public void addTarget(LogTarget target)

Add a new target to output chain.

Parameters:

target - the target

doProcessEvent

protected void doProcessEvent(LogEvent event)
                       throws java.lang.Exception

Description copied from class: AbstractTarget

Process a log event, via formatting and outputting it. This should be overidden by subclasses.

Specified by:

doProcessEvent in class AbstractTarget

Parameters:

event - the log event

Throws:

java.lang.Exception - if an event processing error occurs

close

public void close()

Description copied from class: AbstractTarget

Shutdown target. Attempting to write to target after close() will cause errors to be logged.

Specified by:

close in interface Closeable

Overrides:

close in class AbstractTarget