See: Description
| Interface | Description |
|---|---|
| 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. |
| ThrowableRenderer |
Implemented by classes that render instances of
java.lang.Throwable (exceptions and errors)
into a string representation.
|
| ThrowableRendererSupport |
Implemented by logger repositories that support configurable
rendering of Throwables.
|
| TriggeringEventEvaluator |
Implementions of this interface allow certain appenders to decide
when to perform an appender specific action.
|
| Class | Description |
|---|---|
| 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.
|
| NOPLogger |
No-operation implementation of Logger used by NOPLoggerRepository.
|
| NOPLoggerRepository |
No-operation implementation of LoggerRepository which is used when
LogManager.repositorySelector is erroneously nulled during class reloading.
|
| RootCategory | Deprecated
Replaced by
RootLogger. |
| RootLogger |
RootLogger sits at the top of the logger hierachy.
|
| ThrowableInformation |
ThrowableInformation is log4j's internal representation of
throwables.
|
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