Uses of Interface org.apache.log4j.Appender (Log4j Version 1.2.17)

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	The JDBCAppender provides for sending log events to a database.
org.apache.log4j.jmx	This package lets you manage log4j settings using JMX.
org.apache.log4j.lf5
org.apache.log4j.net	Package for remote logging.
org.apache.log4j.nt	Package for NT event logging.
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	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	Description
`Appender`	AsyncAppender.`getAppender(java.lang.String name)`	Get appender by name.
`Appender`	Category.`getAppender(java.lang.String name)`	Look for the appender named as `name`.

Methods in org.apache.log4j with parameters of type Appender
Modifier and Type	Method	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	Description
`Appender`	AppenderAttachableImpl.`getAppender(java.lang.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	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 Description

class JDBCAppender
The JDBCAppender provides for sending log events to a database.

Uses of Appender in org.apache.log4j.jmx

Methods in org.apache.log4j.jmx with parameters of type Appender
Modifier and Type	Method	Description
`void`	HierarchyDynamicMBean.`addAppenderEvent(Category logger, Appender appender)`
`protected static java.lang.String`	AbstractDynamicMBean.`getAppenderName(Appender appender)`	Get MBean name.
`void`	HierarchyDynamicMBean.`removeAppenderEvent(Category cat, Appender appender)`

Constructors in org.apache.log4j.jmx with parameters of type Appender
Constructor	Description
`AppenderDynamicMBean(Appender appender)`

Uses of Appender in org.apache.log4j.lf5

Classes in org.apache.log4j.lf5 that implement Appender
Modifier and Type Class Description

class LF5Appender
LF5Appender logs events to a swing based logging console.

Uses of Appender in org.apache.log4j.net

Classes in org.apache.log4j.net that implement Appender
Modifier and Type	Class	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.nt

Classes in org.apache.log4j.nt that implement Appender
Modifier and Type Class Description

class NTEventLogAppender
Append to the NT event log system.

Uses of Appender in org.apache.log4j.spi

Methods in org.apache.log4j.spi that return Appender
Modifier and Type	Method	Description
`Appender`	AppenderAttachable.`getAppender(java.lang.String name)`	Get an appender by name.
`Appender`	NOPLogger.`getAppender(java.lang.String name)`	Look for the appender named as `name`.

Methods in org.apache.log4j.spi with parameters of type Appender
Modifier and Type	Method	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	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	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	Description
`protected Appender`	DOMConfigurator.`findAppenderByName(org.w3c.dom.Document doc, java.lang.String appenderName)`	Used internally to parse appenders by IDREF name.
`protected Appender`	DOMConfigurator.`findAppenderByReference(org.w3c.dom.Element appenderRef)`	Used internally to parse appenders by IDREF element.
`protected Appender`	DOMConfigurator.`parseAppender(org.w3c.dom.Element appenderElement)`	Used internally to parse an appender element.

Methods in org.apache.log4j.xml with parameters of type Appender
Modifier and Type	Method	Description
`protected void`	DOMConfigurator.`parseErrorHandler(org.w3c.dom.Element element, Appender appender)`	Used internally to parse an `ErrorHandler` element.
`protected void`	DOMConfigurator.`parseFilters(org.w3c.dom.Element element, Appender appender)`	Used internally to parse a filter element.