org.nakedobjects.metamodel.commons.logging
Class SnapshotAppender

java.lang.Object
  org.apache.log4j.AppenderSkeleton
      org.nakedobjects.metamodel.commons.logging.SnapshotAppender

All Implemented Interfaces:

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

Direct Known Subclasses:

FileSnapshotAppender, PopupSnapshotAppender, SmtpSnapshotAppender, SocketSnapshotAppender, WebSnapshotAppender

public abstract class SnapshotAppender
extends org.apache.log4j.AppenderSkeleton

Field Summary

protected org.apache.log4j.helpers.CyclicBuffer	buffer
protected org.apache.log4j.spi.TriggeringEventEvaluator	triggerEvaluator

Fields inherited from class org.apache.log4j.AppenderSkeleton

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

Constructor Summary

SnapshotAppender()
The default constructor will instantiate the appender with a TriggeringEventEvaluator that will trigger on events with level ERROR or higher.

SnapshotAppender(org.apache.log4j.spi.TriggeringEventEvaluator evaluator)

Method Summary

void	append(org.apache.log4j.spi.LoggingEvent event)
void	close()
void	forceSnapshot()
int	getBufferSize()
java.lang.String	getEvaluatorClass()
boolean	getLocationInfo()
boolean	requiresLayout() returns true to show that this appender requires a .
void	setAddInfo(boolean addInfo)
void	setBufferSize(int bufferSize)
void	setEvaluatorClass(java.lang.String value)
void	setLocationInfo(boolean locationInfo)
protected boolean	shouldAppend()
protected abstract void	writeSnapshot(java.lang.String message, java.lang.String details)

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

Field Detail

buffer

protected org.apache.log4j.helpers.CyclicBuffer buffer

triggerEvaluator

protected org.apache.log4j.spi.TriggeringEventEvaluator triggerEvaluator

Constructor Detail

SnapshotAppender

public SnapshotAppender()

The default constructor will instantiate the appender with a TriggeringEventEvaluator that will trigger on events with level ERROR or higher.

SnapshotAppender

public SnapshotAppender(org.apache.log4j.spi.TriggeringEventEvaluator evaluator)

Method Detail

append

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

Specified by:

append in class org.apache.log4j.AppenderSkeleton

forceSnapshot

public void forceSnapshot()

writeSnapshot

protected abstract void writeSnapshot(java.lang.String message,
                                      java.lang.String details)

close

public void close()

Specified by:

close in interface org.apache.log4j.Appender

Specified by:

close in class org.apache.log4j.AppenderSkeleton

getBufferSize

public int getBufferSize()

getEvaluatorClass

public java.lang.String getEvaluatorClass()

getLocationInfo

public boolean getLocationInfo()

requiresLayout

public boolean requiresLayout()

returns true to show that this appender requires a .

Specified by:

requiresLayout in interface org.apache.log4j.Appender

Specified by:

requiresLayout in class org.apache.log4j.AppenderSkeleton

setBufferSize

public void setBufferSize(int bufferSize)

setEvaluatorClass

public void setEvaluatorClass(java.lang.String value)

setAddInfo

public void setAddInfo(boolean addInfo)

setLocationInfo

public void setLocationInfo(boolean locationInfo)

shouldAppend

protected boolean shouldAppend()