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org.apache.log.output
Class AbstractOutputTarget

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

All Implemented Interfaces:

Closeable, ErrorAware, LogTarget

Direct Known Subclasses:

DatagramOutputTarget, NullOutputLogTarget, ServletOutputLogTarget, SMTPOutputLogTarget, SocketOutputTarget, StreamTarget, WriterTarget

public abstract class AbstractOutputTarget

extends AbstractTarget

Abstract output target. Any new output target that is writing to a single connected resource should extend this class directly or indirectly.

Author:

Avalon Development Team, Peter Donald

Constructor Summary

AbstractOutputTarget()
Parameterless constructor.

AbstractOutputTarget(Formatter formatter)
Creation of a new abstract output target instance.

Method Summary

void	close() Shutdown target.
protected void	doProcessEvent(LogEvent event) Process a log event.
protected Formatter	getFormatter() Returns the Formatter.
protected void	open() Startup log session.
protected void	write(java.lang.String data) Abstract method to write data.

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

getErrorHandler, isOpen, processEvent, setErrorHandler

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractOutputTarget

public AbstractOutputTarget()

Parameterless constructor.

AbstractOutputTarget

public AbstractOutputTarget(Formatter formatter)

Creation of a new abstract output target instance.

Parameters:

formatter - the formatter to apply

Method Detail

getFormatter

protected Formatter getFormatter()

Returns the Formatter.

write

protected void write(java.lang.String data)

Abstract method to write data.

Parameters:

data - the data to be output

doProcessEvent

protected void doProcessEvent(LogEvent event)

Process a log event.

Specified by:

doProcessEvent in class AbstractTarget

Parameters:

event - the event to process

open

protected void open()

Startup log session.

Overrides:

open in class AbstractTarget

close

public void close()

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