com.fr.third.apache.log4j

类 ConsoleAppender

java.lang.Object

com.fr.third.apache.log4j.AppenderSkeleton

com.fr.third.apache.log4j.WriterAppender

com.fr.third.apache.log4j.ConsoleAppender

所有已实现的接口:

Appender, OptionHandler

public class ConsoleAppender
extends WriterAppender

ConsoleAppender appends log events to System.out or System.err using a layout specified by the user. The default target is System.out.

从以下版本开始:

1.1

作者:

Ceki Gülcü, Curt Arnold

字段概要

字段

限定符和类型	字段和说明
static java.lang.String	SYSTEM_ERR
static java.lang.String	SYSTEM_OUT
protected java.lang.String	target

从类继承的字段 com.fr.third.apache.log4j.WriterAppender

encoding, immediateFlush, qw

从类继承的字段 com.fr.third.apache.log4j.AppenderSkeleton

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

构造器概要

构造器

构造器和说明
ConsoleAppender() Constructs an unconfigured appender.
ConsoleAppender(Layout layout) Creates a configured appender.
ConsoleAppender(Layout layout, java.lang.String target) Creates a configured appender.

方法概要

方法

限定符和类型	方法和说明
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.
java.lang.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(java.lang.String value) Sets the value of the Target option.

从类继承的方法 com.fr.third.apache.log4j.WriterAppender

append, checkEntryConditions, close, createWriter, getEncoding, getImmediateFlush, requiresLayout, reset, setEncoding, setErrorHandler, setImmediateFlush, setWriter, shouldFlush, subAppend, writeFooter, writeHeader

从类继承的方法 com.fr.third.apache.log4j.AppenderSkeleton

addFilter, clearFilters, doAppend, finalize, getErrorHandler, getFilter, getFirstFilter, getLayout, getName, getThreshold, isAsSevereAsThreshold, setLayout, setName, setThreshold

从类继承的方法 java.lang.Object

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

字段详细资料

SYSTEM_OUT

public static final java.lang.String SYSTEM_OUT

另请参阅:

常量字段值

SYSTEM_ERR

public static final java.lang.String SYSTEM_ERR

另请参阅:

常量字段值

target

protected java.lang.String target

构造器详细资料

ConsoleAppender

public ConsoleAppender()

Constructs an unconfigured appender.

ConsoleAppender

public ConsoleAppender(Layout layout)

Creates a configured appender.

参数:

layout - layout, may not be null.

ConsoleAppender

public ConsoleAppender(Layout layout,
               java.lang.String target)

Creates a configured appender.

参数:

layout - layout, may not be null.

target - target, either "System.err" or "System.out".

方法详细资料

setTarget

public void setTarget(java.lang.String value)

Sets the value of the Target option. Recognized values are "System.out" and "System.err". Any other value will be ignored.

getTarget

public java.lang.String getTarget()

Returns the current value of the Target property. The default value of the option is "System.out". See also setTarget(java.lang.String).

setFollow

public final void setFollow(boolean newValue)

Sets whether the appender honors reassignments of System.out or System.err made after configuration.

参数:

newValue - if true, appender will use value of System.out or System.err in force at the time when logging events are appended.

从以下版本开始:

1.2.13

getFollow

public final boolean getFollow()

Gets whether the appender honors reassignments of System.out or System.err made after configuration.

返回:

true if appender will use value of System.out or System.err in force at the time when logging events are appended.

从以下版本开始:

1.2.13

activateOptions

public void activateOptions()

Prepares the appender for use.

指定者:

activateOptions 在接口中 OptionHandler

覆盖:

activateOptions 在类中 WriterAppender

closeWriter

protected final void closeWriter()

Close the underlying Writer.

覆盖:

closeWriter 在类中 WriterAppender