com.fr.third.apache.log4j.pattern

类 PatternConverter

java.lang.Object

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

直接已知子类:

IntegerPatternConverter, LoggingEventPatternConverter

public abstract class PatternConverter
extends java.lang.Object

PatternConverter is an abstract class that provides the formatting functionality that derived classes need.

Conversion specifiers in a conversion patterns are parsed to individual PatternConverters. Each of which is responsible for converting an object in a converter specific manner.

作者:

James P. Cakalic, Ceki Gülcü, Chris Nokes, Curt Arnold

构造器概要

构造器

限定符	构造器和说明
protected	PatternConverter(java.lang.String name, java.lang.String style) Create a new pattern converter.

方法概要

方法

限定符和类型	方法和说明
abstract void	format(java.lang.Object obj, java.lang.StringBuffer toAppendTo) Formats an object into a string buffer.
java.lang.String	getName() This method returns the name of the conversion pattern.
java.lang.String	getStyleClass(java.lang.Object e) This method returns the CSS style class that should be applied to the LoggingEvent passed as parameter, which can be null.

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

PatternConverter

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

Create a new pattern converter.

参数:

name - name for pattern converter.

style - CSS style for formatted output.

方法详细资料

format

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

Formats an object into a string buffer.

参数:

obj - event to format, may not be null.

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

getName

public final java.lang.String getName()

This method returns the name of the conversion pattern. The name can be useful to certain Layouts such as HTMLLayout.

返回:

the name of the conversion pattern

getStyleClass

public java.lang.String getStyleClass(java.lang.Object e)

This method returns the CSS style class that should be applied to the LoggingEvent passed as parameter, which can be null. This information is currently used only by HTMLLayout.

参数:

e - null values are accepted

返回:

the name of the conversion pattern