类 com.fr.third.apache.log4j.spi.Filter
的使用

使用Filter的程序包

程序包	说明
com.fr.third.apache.log4j	The main log4j package.
com.fr.third.apache.log4j.spi	Contains part of the System Programming Interface (SPI) needed to extend log4j.
com.fr.third.apache.log4j.varia	Contains various appenders, filters and other odds and ends.

com.fr.third.apache.log4j中Filter的使用

声明为Filter的com.fr.third.apache.log4j中的字段

限定符和类型	字段和说明
protected Filter	AppenderSkeleton.headFilter The first filter in the filter chain.
protected Filter	AppenderSkeleton.tailFilter The last filter in the filter chain.

返回Filter的com.fr.third.apache.log4j中的方法

限定符和类型	方法和说明
Filter	AppenderSkeleton.getFilter() Returns the head Filter.
Filter	Appender.getFilter() Returns the head Filter.
Filter	AppenderSkeleton.getFirstFilter() Return the first filter in the filter chain for this Appender.

参数类型为Filter的com.fr.third.apache.log4j中的方法

限定符和类型	方法和说明
void	AppenderSkeleton.addFilter(Filter newFilter) Add a filter to end of the filter list.
void	Appender.addFilter(Filter newFilter) Add a filter to the end of the filter list.

com.fr.third.apache.log4j.spi中Filter的使用

声明为Filter的com.fr.third.apache.log4j.spi中的字段

限定符和类型	字段和说明
Filter	Filter.next 已过时。 As of 1.2.12, use getNext() and setNext(com.fr.third.apache.log4j.spi.Filter) instead

返回Filter的com.fr.third.apache.log4j.spi中的方法

限定符和类型	方法和说明
Filter	Filter.getNext() Return the pointer to the next filter;

参数类型为Filter的com.fr.third.apache.log4j.spi中的方法

限定符和类型	方法和说明
void	Filter.setNext(Filter next) Set the next filter pointer.

com.fr.third.apache.log4j.varia中Filter的使用

com.fr.third.apache.log4j.varia中Filter的子类

限定符和类型	类和说明
class	DenyAllFilter This filter drops all logging events.
class	LevelMatchFilter This is a very simple filter based on level matching.
class	LevelRangeFilter This is a very simple filter based on level matching, which can be used to reject messages with priorities outside a certain range.
class	StringMatchFilter This is a very simple filter based on string matching.