Contains part of the System Programming Interface (SPI) needed to extend log4j.
See: Description
Interface Summary | |
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AppenderAttachable | Interface for attaching appenders to objects. |
Configurator | Implemented by classes capable of configuring log4j using a URL. |
ErrorCode | This interface defines commonly encoutered error codes. |
ErrorHandler |
Appenders may delegate their error handling to
ErrorHandlers .
|
HierarchyEventListener |
Listen to events occuring within a Hierarchy . |
LoggerFactory | Implement this interface to create new instances of Logger or a sub-class of Logger. |
LoggerRepository |
A LoggerRepository is used to create and retrieve
Loggers . |
OptionHandler | A string based interface to configure package components. |
RendererSupport | |
RepositorySelector |
The LogManager uses one (and only one)
RepositorySelector implementation to select the
LoggerRepository for a particular application context.
|
TriggeringEventEvaluator | Implementions of this interface allow certain appenders to decide when to perform an appender specific action. |
Class Summary | |
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DefaultRepositorySelector | |
Filter | Users should extend this class to implement customized logging event filtering. |
LocationInfo | The internal representation of caller location information. |
LoggingEvent | The internal representation of logging events. |
RootCategory | |
RootLogger | RootLogger sits at the top of the logger hierachy. |
ThrowableInformation | ThrowableInformation is log4j's internal representation of throwables. |