Uses of Interface
org.apache.log4j.Appender
Packages that use Appender
Package
Description
The main log4j package.
This package is used internally.
Package for remote logging.
Contains part of the System Programming Interface (SPI) needed to
extend log4j.
Contains various appenders, filters and other odds and ends.
XML based components.
-
Uses of Appender in org.apache.log4j
Classes in org.apache.log4j that implement AppenderModifier and TypeClassDescriptionclass
Abstract superclass of the other appenders in the package.class
The AsyncAppender lets users log events asynchronously.class
ConsoleAppender appends log events toSystem.out
orSystem.err
using a layout specified by the user.class
DailyRollingFileAppender extendsFileAppender
so that the underlying file is rolled over at a user chosen frequency.class
FileAppender appends log events to a file.class
RollingFileAppender extends FileAppender to backup the log files when they reach a certain size.class
WriterAppender appends log events to aWriter
or anOutputStream
depending on the user's choice.Methods in org.apache.log4j that return AppenderModifier and TypeMethodDescriptionAsyncAppender.getAppender
(String name) Get appender by name.Category.getAppender
(String name) Look for the appender named asname
.Methods in org.apache.log4j with parameters of type AppenderModifier and TypeMethodDescriptionvoid
AsyncAppender.addAppender
(Appender newAppender) Add appender.void
Category.addAppender
(Appender newAppender) AddnewAppender
to the list of appenders of this Category instance.static void
Addappender
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 AppenderModifier and TypeMethodDescriptionAppenderAttachableImpl.getAppender
(String name) Look for an attached appender named asname
.Methods in org.apache.log4j.helpers with parameters of type AppenderModifier and TypeMethodDescriptionvoid
AppenderAttachableImpl.addAppender
(Appender newAppender) Attach an appender.boolean
AppenderAttachableImpl.isAttached
(Appender appender) Returnstrue
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 AppenderModifier and TypeClassDescriptionclass
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 AppenderModifier and TypeClassDescriptionclass
A simple appender that publishes events to a JMS Topic.class
Send an e-mail when a specific logging event occurs, typically on errors or fatal errors.class
SendsLoggingEvent
objects to a remote a log server, usually aSocketNode
.class
SendsLoggingEvent
objects to a set of remote log servers, usually aSocketNodes
.class
Use SyslogAppender to send log messages to a remote syslog daemon.class
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 AppenderModifier and TypeClassDescriptionclass
This appender forwards a logging request to another appender after possibly rewriting the logging event.Methods in org.apache.log4j.rewrite that return AppenderMethods in org.apache.log4j.rewrite with parameters of type AppenderModifier and TypeMethodDescriptionvoid
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 AppenderModifier and TypeMethodDescriptionAppenderAttachable.getAppender
(String name) Get an appender by name.NOPLogger.getAppender
(String name) Look for the appender named asname
.Methods in org.apache.log4j.spi with parameters of type AppenderModifier and TypeMethodDescriptionvoid
AppenderAttachable.addAppender
(Appender newAppender) Add an appender.void
NOPLogger.addAppender
(Appender newAppender) AddnewAppender
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) Returnstrue
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 AppenderModifier and TypeClassDescriptionclass
This appender listens on a socket on the port specified by the Port property for a "RollOver" message.class
A NullAppender merely exists, it never outputs a message to any device.Methods in org.apache.log4j.varia with parameters of type AppenderModifier and TypeMethodDescriptionvoid
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 AppenderModifier and TypeMethodDescriptionprotected 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 AppenderModifier and TypeMethodDescriptionprotected void
DOMConfigurator.parseErrorHandler
(Element element, Appender appender) Used internally to parse anErrorHandler
element.protected void
DOMConfigurator.parseFilters
(Element element, Appender appender) Used internally to parse a filter element.