| 接口 | 说明 |
|---|---|
| Appender |
Implement this interface for your own strategies for outputting log
statements.
|
| 类 | 说明 |
|---|---|
| AppenderSkeleton |
Abstract superclass of the other appenders in the package.
|
| AsyncAppender |
The AsyncAppender lets users log events asynchronously.
|
| BasicConfigurator |
Use this class to quickly configure the package.
|
| Category |
This class has been deprecated and
replaced by the
Logger subclass. |
| ConsoleAppender |
ConsoleAppender appends log events to
System.out or
System.err using a layout specified by the user. |
| DailyRollingFileAppender |
DailyRollingFileAppender extends
FileAppender so that the
underlying file is rolled over at a user chosen frequency. |
| DefaultThrowableRenderer |
Default implementation of ThrowableRenderer using
Throwable.printStackTrace.
|
| EnhancedPatternLayout |
This class is an enhanced version of PatternLayout
which was originally developed as part of the abandoned log4j 1.3
effort and has been available in the extras companion.
|
| EnhancedThrowableRenderer |
Enhanced implementation of ThrowableRenderer.
|
| FileAppender |
FileAppender appends log events to a file.
|
| Hierarchy |
This class is specialized in retrieving loggers by name and also
maintaining the logger hierarchy.
|
| HTMLLayout |
This layout outputs events in a HTML table.
|
| Layout |
Extend this abstract class to create your own log layout format.
|
| Level |
Defines the minimum set of levels recognized by the system, that is
OFF, FATAL, ERROR,
WARN, INFODEBUG and
ALL. |
| Logger |
This is the central class in the log4j package.
|
| LogManager |
Use the
LogManager class to retreive Logger
instances or to operate on the current LoggerRepository. |
| LogMF |
This class provides parameterized logging services
using the pattern syntax of java.text.MessageFormat.
|
| LogSF |
This class provides parameterized logging services
using the SLF4J pattern syntax.
|
| LogXF |
This is a base class for LogMF and LogSF parameterized logging classes.
|
| MDC |
The MDC class is similar to the
NDC class except that it is
based on a map instead of a stack. |
| NDC |
The NDC class implements nested diagnostic contexts as
defined by Neil Harrison in the article "Patterns for Logging
Diagnostic Messages" part of the book "Pattern Languages of
Program Design 3" edited by Martin et al.
|
| PatternLayout |
A flexible layout configurable with pattern string.
|
| Priority |
Refrain from using this class directly, use
the
Level class instead. |
| PropertyConfigurator |
Allows the configuration of log4j from an external file.
|
| RollingFileAppender |
RollingFileAppender extends FileAppender to backup the log files when
they reach a certain size.
|
| SimpleLayout |
SimpleLayout consists of the level of the log statement,
followed by " - " and then the log message itself.
|
| TTCCLayout |
TTCC layout format consists of time, thread, category and nested
diagnostic context information, hence the name.
|
| WriterAppender |
WriterAppender appends log events to a
Writer or an
OutputStream depending on the user's choice. |
The main log4j package.