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See:
Description
Interface Summary | |
AppenderAttachable | Interface for attaching appenders to objects. |
Component | A common interface shared by log4j components. |
Configurator | Implemented by classes capable of configuring log4j using a URL. |
Decoder | Allow LoggingEvents to be reconstructed from a different format (usually XML). |
ErrorCode | This interface defines commonly encoutered error codes. |
ErrorHandler | Deprecated. As of 1.3 |
HierarchyEventListener | Deprecated. Superceded by LoggerEventListener. |
LoggerEventListener | Interface used to listen for Logger related events such as
add/remove appender or changing levels. |
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 . |
LoggerRepositoryEventListener | Interface used to listen for LoggerRepository related
events such as startup, reset, and shutdown. |
LoggerRepositoryEx | 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. |
RepositorySelectorEx | The LogManager uses one (and only one)
RepositorySelector implementation to select the
LoggerRepository for a particular application context. |
Thresholdable | An interface that defines the required methods for supporting the setting and getting of a level threshold. |
TriggeringEventEvaluator | Implementions of this interface allow certain appenders to decide when to perform an appender specific action. |
Class Summary | |
ComponentBase | Most log4j components derive from this class. |
DefaultRepositorySelector | |
ErrorItem | Used to store special log4j errors which cannot be logged using internal logging. |
Filter | Users should extend this class to implement customized logging event filtering. |
HierarchyEventListenerAdapter | Deprecated. |
LocationInfo | The internal representation of caller location information. |
LoggingEvent | The internal representation of logging events. |
LoggingEventFieldResolver | A singleton helper utility which accepts a field name and a LoggingEvent and returns the String value of that field. |
NOPULogger | A no operation (NOP) implementation of ULogger . |
RootCategory | Deprecated. Replaced by RootLogger . |
RootLogger | RootLogger sits at the top of the category hierachy. |
SimpleULogger | A simple implementation that logs messages of level INFO or higher on
the console (System.out |
ThrowableInformation | ThrowableInformation is log4j's internal representation of throwables. |
Contains part of the System Programming Interface (SPI) needed to extend log4j.
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