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java.lang.Object org.apache.log4j.AppenderSkeleton org.apache.log4j.WriterAppender org.apache.log4j.ConsoleAppender
public class ConsoleAppender
ConsoleAppender appends log events to System.out
or
System.err
using a layout specified by the user. The
default target is System.out
.
Field Summary | |
---|---|
static String |
SYSTEM_ERR
|
static String |
SYSTEM_OUT
|
protected String |
target
|
Fields inherited from class org.apache.log4j.WriterAppender |
---|
encoding, immediateFlush, qw |
Fields inherited from class org.apache.log4j.AppenderSkeleton |
---|
closed, errorHandler, headFilter, layout, name, tailFilter, threshold |
Constructor Summary | |
---|---|
ConsoleAppender()
Constructs an unconfigured appender. |
|
ConsoleAppender(Layout layout)
Creates a configured appender. |
|
ConsoleAppender(Layout layout,
String target)
Creates a configured appender. |
Method Summary | |
---|---|
void |
activateOptions()
Prepares the appender for use. |
protected void |
closeWriter()
Close the underlying Writer . |
boolean |
getFollow()
Gets whether the appender honors reassignments of System.out or System.err made after configuration. |
String |
getTarget()
Returns the current value of the Target property. |
void |
setFollow(boolean newValue)
Sets whether the appender honors reassignments of System.out or System.err made after configuration. |
void |
setTarget(String value)
Sets the value of the Target option. |
Methods inherited from class org.apache.log4j.WriterAppender |
---|
append, checkEntryConditions, close, createWriter, getEncoding, getImmediateFlush, requiresLayout, reset, setEncoding, setErrorHandler, setImmediateFlush, setWriter, shouldFlush, subAppend, writeFooter, writeHeader |
Methods inherited from class org.apache.log4j.AppenderSkeleton |
---|
addFilter, clearFilters, doAppend, finalize, getErrorHandler, getFilter, getFirstFilter, getLayout, getName, getThreshold, isAsSevereAsThreshold, setLayout, setName, setThreshold |
Methods inherited from class java.lang.Object |
---|
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
public static final String SYSTEM_OUT
public static final String SYSTEM_ERR
protected String target
Constructor Detail |
---|
public ConsoleAppender()
public ConsoleAppender(Layout layout)
layout
- layout, may not be null.public ConsoleAppender(Layout layout, String target)
layout
- layout, may not be null.target
- target, either "System.err" or "System.out".Method Detail |
---|
public void setTarget(String value)
public String getTarget()
setTarget(java.lang.String)
.
public final void setFollow(boolean newValue)
newValue
- if true, appender will use value of System.out or
System.err in force at the time when logging events are appended.public final boolean getFollow()
public void activateOptions()
activateOptions
in interface OptionHandler
activateOptions
in class WriterAppender
protected final void closeWriter()
Writer
.
closeWriter
in class WriterAppender
|
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