com.fr.third.apache.log4j.pattern

类 LoggingEventPatternConverter

java.lang.Object

com.fr.third.apache.log4j.pattern.PatternConverter

com.fr.third.apache.log4j.pattern.LoggingEventPatternConverter

直接已知子类:

DatePatternConverter, FileLocationPatternConverter, FullLocationPatternConverter, LevelPatternConverter, LineLocationPatternConverter, LineSeparatorPatternConverter, LiteralPatternConverter, MessagePatternConverter, MethodLocationPatternConverter, NamePatternConverter, NDCPatternConverter, PropertiesPatternConverter, RelativeTimePatternConverter, SequenceNumberPatternConverter, ThreadPatternConverter, ThrowableInformationPatternConverter

public abstract class LoggingEventPatternConverter
extends PatternConverter

LoggingEventPatternConverter is a base class for pattern converters that can format information from instances of LoggingEvent.

作者:

Curt Arnold

构造器概要

构造器

限定符	构造器和说明
protected	LoggingEventPatternConverter(java.lang.String name, java.lang.String style) Constructs an instance of LoggingEventPatternConverter.

方法概要

方法

限定符和类型	方法和说明
abstract void	format(LoggingEvent event, java.lang.StringBuffer toAppendTo) Formats an event into a string buffer.
void	format(java.lang.Object obj, java.lang.StringBuffer output) Formats an object into a string buffer.
boolean	handlesThrowable() Normally pattern converters are not meant to handle Exceptions although few pattern converters might.

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

getName, getStyleClass

从类继承的方法 java.lang.Object

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

构造器详细资料

LoggingEventPatternConverter

protected LoggingEventPatternConverter(java.lang.String name,
                            java.lang.String style)

Constructs an instance of LoggingEventPatternConverter.

参数:

name - name of converter.

style - CSS style for output.

方法详细资料

format

public abstract void format(LoggingEvent event,
          java.lang.StringBuffer toAppendTo)

Formats an event into a string buffer.

参数:

event - event to format, may not be null.

toAppendTo - string buffer to which the formatted event will be appended. May not be null.

format

public void format(java.lang.Object obj,
          java.lang.StringBuffer output)

Formats an object into a string buffer.

指定者:

format 在类中 PatternConverter

参数:

obj - event to format, may not be null.

output - string buffer to which the formatted event will be appended. May not be null.

handlesThrowable

public boolean handlesThrowable()

Normally pattern converters are not meant to handle Exceptions although few pattern converters might. By examining the return values for this method, the containing layout will determine whether it handles throwables or not.

返回:

true if this PatternConverter handles throwables