Package org.apache.log4j.nt
Class NTEventLogAppender
- java.lang.Object
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- org.apache.log4j.AppenderSkeleton
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- org.apache.log4j.nt.NTEventLogAppender
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- All Implemented Interfaces:
Appender
,OptionHandler
public class NTEventLogAppender extends AppenderSkeleton
Append to the NT event log system.WARNING This appender can only be installed and used on a Windows system.
Do not forget to place NTEventLogAppender.dll, NTEventLogAppender.amd64.dll, NTEventLogAppender.ia64.dll or NTEventLogAppender.x86.dll as appropriate in a directory that is on the PATH of the Windows system. Otherwise, you will get a java.lang.UnsatisfiedLinkError.
- Author:
- Chris Taylor, Jim Cakalic
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Field Summary
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Fields inherited from class org.apache.log4j.AppenderSkeleton
closed, errorHandler, headFilter, layout, name, tailFilter, threshold
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Constructor Summary
Constructors Constructor Description NTEventLogAppender()
NTEventLogAppender(java.lang.String source)
NTEventLogAppender(java.lang.String server, java.lang.String source)
NTEventLogAppender(java.lang.String server, java.lang.String source, Layout layout)
NTEventLogAppender(java.lang.String source, Layout layout)
NTEventLogAppender(Layout layout)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
activateOptions()
Derived appenders should override this method if option structure requires it.void
append(LoggingEvent event)
Subclasses ofAppenderSkeleton
should implement this method to perform actual logging.void
close()
Release any resources allocated within the appender such as file handles, network connections, etc.void
finalize()
Finalize this appender by calling the derived class'close
method.java.lang.String
getSource()
boolean
requiresLayout()
TheNTEventLogAppender
requires a layout.void
setSource(java.lang.String source)
The Source option which names the source of the event.-
Methods inherited from class org.apache.log4j.AppenderSkeleton
addFilter, clearFilters, doAppend, getErrorHandler, getFilter, getFirstFilter, getLayout, getName, getThreshold, isAsSevereAsThreshold, setErrorHandler, setLayout, setName, setThreshold
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Constructor Detail
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NTEventLogAppender
public NTEventLogAppender()
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NTEventLogAppender
public NTEventLogAppender(java.lang.String source)
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NTEventLogAppender
public NTEventLogAppender(java.lang.String server, java.lang.String source)
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NTEventLogAppender
public NTEventLogAppender(Layout layout)
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NTEventLogAppender
public NTEventLogAppender(java.lang.String source, Layout layout)
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NTEventLogAppender
public NTEventLogAppender(java.lang.String server, java.lang.String source, Layout layout)
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Method Detail
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close
public void close()
Description copied from interface: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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activateOptions
public void activateOptions()
Description copied from class:AppenderSkeleton
Derived appenders should override this method if option structure requires it.- Specified by:
activateOptions
in interfaceOptionHandler
- Overrides:
activateOptions
in classAppenderSkeleton
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append
public void append(LoggingEvent event)
Description copied from class:AppenderSkeleton
Subclasses ofAppenderSkeleton
should implement this method to perform actual logging. See alsoAppenderSkeleton.doAppend
method.- Specified by:
append
in classAppenderSkeleton
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finalize
public void finalize()
Description copied from class:AppenderSkeleton
Finalize this appender by calling the derived class'close
method.- Overrides:
finalize
in classAppenderSkeleton
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setSource
public void setSource(java.lang.String source)
The Source option which names the source of the event. The current value of this constant is Source.
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getSource
public java.lang.String getSource()
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requiresLayout
public boolean requiresLayout()
TheNTEventLogAppender
requires a layout. Hence, this method always returnstrue
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