Uses of Interface
org.apache.log4j.Appender

Packages that use Appender

Package	Description
org.apache.log4j	The main log4j package.
org.apache.log4j.helpers	This package is used internally.
org.apache.log4j.jdbc
org.apache.log4j.net	Package for remote logging.
org.apache.log4j.rewrite
org.apache.log4j.spi	Contains part of the System Programming Interface (SPI) needed to extend log4j.
org.apache.log4j.varia	Contains various appenders, filters and other odds and ends.
org.apache.log4j.xml	XML based components.

Uses of Appender in org.apache.log4j

Classes in org.apache.log4j that implement Appender

Modifier and Type	Class and Description
class	AppenderSkeleton Abstract superclass of the other appenders in the package.
class	AsyncAppender The AsyncAppender lets users log events asynchronously.
class	ConsoleAppender ConsoleAppender appends log events to System.out or System.err using a layout specified by the user.
class	DailyRollingFileAppender DailyRollingFileAppender extends FileAppender so that the underlying file is rolled over at a user chosen frequency.
class	FileAppender FileAppender appends log events to a file.
class	RollingFileAppender RollingFileAppender extends FileAppender to backup the log files when they reach a certain size.
class	WriterAppender WriterAppender appends log events to a Writer or an OutputStream depending on the user's choice.

Methods in org.apache.log4j that return Appender

Modifier and Type	Method and Description
Appender	AsyncAppender.getAppender(String name) Get appender by name.
Appender	Category.getAppender(String name) Look for the appender named as name.

Methods in org.apache.log4j with parameters of type Appender

Modifier and Type	Method and Description
void	AsyncAppender.addAppender(Appender newAppender) Add appender.
void	Category.addAppender(Appender newAppender) Add newAppender to the list of appenders of this Category instance.
static void	BasicConfigurator.configure(Appender appender) Add appender to the root category.
void	Hierarchy.fireAddAppenderEvent(Category logger, Appender appender)
boolean	AsyncAppender.isAttached(Appender appender) Determines if specified appender is attached.
boolean	Category.isAttached(Appender appender) Is the appender passed as parameter attached to this category?
void	AsyncAppender.removeAppender(Appender appender) Removes an appender.
void	Category.removeAppender(Appender appender) Remove the appender passed as parameter form the list of appenders.

Uses of Appender in org.apache.log4j.helpers

Methods in org.apache.log4j.helpers that return Appender

Modifier and Type	Method and Description
Appender	AppenderAttachableImpl.getAppender(String name) Look for an attached appender named as name.

Methods in org.apache.log4j.helpers with parameters of type Appender

Modifier and Type	Method and Description
void	AppenderAttachableImpl.addAppender(Appender newAppender) Attach an appender.
boolean	AppenderAttachableImpl.isAttached(Appender appender) Returns true if the specified appender is in the list of attached appenders, false otherwise.
void	AppenderAttachableImpl.removeAppender(Appender appender) Remove the appender passed as parameter form the list of attached appenders.
void	OnlyOnceErrorHandler.setAppender(Appender appender) Does not do anything.
void	OnlyOnceErrorHandler.setBackupAppender(Appender appender) Does not do anything.

Uses of Appender in org.apache.log4j.jdbc

Classes in org.apache.log4j.jdbc that implement Appender

Modifier and Type	Class and Description
class	JDBCAppender The JDBCAppender provides for sending log events to a database.

Uses of Appender in org.apache.log4j.net

Classes in org.apache.log4j.net that implement Appender

Modifier and Type	Class and Description
class	JMSAppender A simple appender that publishes events to a JMS Topic.
class	SMTPAppender Send an e-mail when a specific logging event occurs, typically on errors or fatal errors.
class	SocketAppender Sends LoggingEvent objects to a remote a log server, usually a SocketNode.
class	SocketHubAppender Sends LoggingEvent objects to a set of remote log servers, usually a SocketNodes.
class	SyslogAppender Use SyslogAppender to send log messages to a remote syslog daemon.
class	TelnetAppender The TelnetAppender is a log4j appender that specializes in writing to a read-only socket.

Uses of Appender in org.apache.log4j.rewrite

Classes in org.apache.log4j.rewrite that implement Appender

Modifier and Type	Class and Description
class	RewriteAppender This appender forwards a logging request to another appender after possibly rewriting the logging event.

Methods in org.apache.log4j.rewrite that return Appender

Modifier and Type	Method and Description
Appender	RewriteAppender.getAppender(String name) Get appender by name.

Methods in org.apache.log4j.rewrite with parameters of type Appender

Modifier and Type	Method and Description
void	RewriteAppender.addAppender(Appender newAppender) Add appender.
boolean	RewriteAppender.isAttached(Appender appender) Determines if specified appender is attached.
void	RewriteAppender.removeAppender(Appender appender) Removes an appender.

Uses of Appender in org.apache.log4j.spi

Methods in org.apache.log4j.spi that return Appender

Modifier and Type	Method and Description
Appender	AppenderAttachable.getAppender(String name) Get an appender by name.
Appender	NOPLogger.getAppender(String name) Look for the appender named as name.

Methods in org.apache.log4j.spi with parameters of type Appender

Modifier and Type	Method and Description
void	AppenderAttachable.addAppender(Appender newAppender) Add an appender.
void	NOPLogger.addAppender(Appender newAppender) Add newAppender to the list of appenders of this Category instance.
void	HierarchyEventListener.addAppenderEvent(Category cat, Appender appender)
void	LoggerRepository.fireAddAppenderEvent(Category logger, Appender appender)
void	NOPLoggerRepository.fireAddAppenderEvent(Category logger, Appender appender)
boolean	AppenderAttachable.isAttached(Appender appender) Returns true if the specified appender is in list of attached attached, false otherwise.
boolean	NOPLogger.isAttached(Appender appender) Is the appender passed as parameter attached to this category?
void	AppenderAttachable.removeAppender(Appender appender) Remove the appender passed as parameter from the list of appenders.
void	NOPLogger.removeAppender(Appender appender) Remove the appender passed as parameter form the list of appenders.
void	HierarchyEventListener.removeAppenderEvent(Category cat, Appender appender)
void	ErrorHandler.setAppender(Appender appender) Set the appender for which errors are handled.
void	ErrorHandler.setBackupAppender(Appender appender) Set the appender to falkback upon in case of failure.

Uses of Appender in org.apache.log4j.varia

Classes in org.apache.log4j.varia that implement Appender

Modifier and Type	Class and Description
class	ExternallyRolledFileAppender This appender listens on a socket on the port specified by the Port property for a "RollOver" message.
class	NullAppender A NullAppender merely exists, it never outputs a message to any device.

Methods in org.apache.log4j.varia with parameters of type Appender

Modifier and Type	Method and Description
void	FallbackErrorHandler.setAppender(Appender primary) The appender to which this error handler is attached.
void	FallbackErrorHandler.setBackupAppender(Appender backup) Set the backup appender.

Uses of Appender in org.apache.log4j.xml

Methods in org.apache.log4j.xml that return Appender

Modifier and Type	Method and Description
protected Appender	DOMConfigurator.findAppenderByName(Document doc, String appenderName) Used internally to parse appenders by IDREF name.
protected Appender	DOMConfigurator.findAppenderByReference(Element appenderRef) Used internally to parse appenders by IDREF element.
protected Appender	DOMConfigurator.parseAppender(Element appenderElement) Used internally to parse an appender element.

Methods in org.apache.log4j.xml with parameters of type Appender

Modifier and Type	Method and Description
protected void	DOMConfigurator.parseErrorHandler(Element element, Appender appender) Used internally to parse an ErrorHandler element.
protected void	DOMConfigurator.parseFilters(Element element, Appender appender) Used internally to parse a filter element.