Apache Log4J

Formats a Date in the format "HH:mm:ss,SSS" for example, "15:49:37,459".

AbstractDynamicMBean

No description provided.

AdapterLogRecord

A LogRecord to be used with the LogMonitorAdapter

Agent

No description provided.

AppenderAttachableImpl

A straightforward implementation of the AppenderAttachable interface.

AppenderDynamicMBean

No description provided.

AppenderFinalizer

AppenderFinalizer has a single method that will finalize resources associated with a LogBrokerMonitor in the event that the LF5Appender class is destroyed, and the class loader is garbage collected.

AppenderSkeleton

Abstract superclass of the other appenders in the package.

AsyncAppender

The AsyncAppender lets users log events asynchronously.

AttributesRenderer

org.apache.log4j.or.sax

Render org.xml.sax.Attributes objects.

BasicConfigurator

Use this class to quickly configure the package.

BoundedFIFO

BoundedFIFO serves as the bounded first-in-first-out buffer heavily used by the AsyncAppender .

Category

CategoryAbstractCellEditor

This class has been deprecated and replaced by the Logger subclass.

CategoryAbstractCellEditor.

CategoryElement

CategoryExplorerLogRecordFilter

CategoryElement represents a single element or part of a Category.

An implementation of LogRecordFilter based on a CategoryExplorerModel

CategoryExplorerModel

CategoryExplorerModel

CategoryExplorerTree

CategoryExplorerTree

CategoryImmediateEditor

CategoryImmediateEditor

CategoryNode

CategoryNode

CategoryNodeEditor

CategoryNodeEditorRenderer

CategoryNodeEditor

CategoryNodeEditorRenderer

CategoryNodeRenderer

CategoryNodeRenderer

CategoryPath

org.apache.log4j.lf5.viewer.configure

CategoryPath is a collection of CategoryItems which represent a path of categories.

ConfigurationManager

ConfigurationManager handles the storage and retrival of the state of the CategoryExplorer

ConsoleAppender

ConsoleAppender appends log events to System.out or System.err using a layout specified by the user.

CountingQuietWriter

Counts the number of bytes written.

CyclicBuffer

CyclicBuffer is used by other appenders to hold LoggingEvents for immediate or differed display.

DailyRollingFileAppender

DailyRollingFileAppender extends FileAppender so that the underlying file is rolled over at a user chosen frequency.

DateFormatManager

Date format manager.

DateLayout

This abstract layout takes care of all the date related options and formatting work.

DateTimeDateFormat

Formats a Date in the format "dd MMM YYYY HH:mm:ss,SSS" for example, "06 Nov 1994 15:49:37,459".

DefaultLF5Configurator

DefaultRepositorySelector

The DefaultLF5Configurator provides a default configuration for the LF5Appender.

No description provided.

DenyAllFilter

This filter drops all logging events.

DOMConfigurator

org.apache.log4j.xml.test

Use this class to initialize the log4j environment using a DOM tree.

DOMTest

No description provided.

ExternallyRolledFileAppender

This appender listens on a socket on the port specified by the Port property for a "RollOver" message.

FallbackErrorHandler

The FallbackErrorHandler implements the ErrorHandler interface such that a secondary appender may be specified.

FileAppender

FileAppender appends log events to a file.

FileWatchdog

Check every now and then that a certain file has not changed.

Filter

Users should extend this class to implement customized logging event filtering.

FilteredLogTableModel

A TableModel for LogRecords which includes filtering support.

FormattingInfo

FormattingInfo instances contain the information obtained when parsing formatting modifiers in conversion modifiers.

Hierarchy

This class is specialized in retrieving loggers by name and also maintaining the logger hierarchy.

HierarchyDynamicMBean

No description provided.

HTMLLayout

This layout outputs events in a HTML table.

ISO8601DateFormat

Formats a Date in the format "YYYY-mm-dd HH:mm:ss,SSS" for example "1999-11-27 15:49:37,459".

JDBCAppender

org.apache.log4j.jdbc

WARNING: This version of JDBCAppender is very likely to be completely replaced in the future.

JMSAppender

A simple appender that publishes events to a JMS Topic.

JMSSink

A simple application that consumes logging events sent by a JMSAppender .

Layout

Extend this abstract class to create your own log layout format.

LayoutDynamicMBean

No description provided.

Level

Defines the minimum set of levels recognized by the system, that is OFF, FATAL, ERROR, WARN, INFODEBUG and ALL.

LevelMatchFilter

This is a very simple filter based on level matching.

LevelRangeFilter

This is a very simple filter based on level matching, which can be used to reject messages with priorities outside a certain range.

LF5Appender

LF5Appender logs events to a swing based logging console.

LF5SwingUtils

Provides methods to accomplish common yet non-trivial tasks with Swing.

ListVsVector

Compares the performance of looping through a list versus a Vector.

Loader

Load resources (or images) from various sources.

LocationInfo

The internal representation of caller location information.

Log4jEntityResolver

An EntityResolver specifically designed to return log4j.dtd which is embedded within the log4j jar file.

Log4JLogRecord

A Log4JLogRecord encapsulates the details of your log4j LoggingEvent in a format usable by the LogBrokerMonitor.

LogBrokerMonitor

LogBrokerMonitor .

LogFactor5Dialog

LogFactor5Dialog

LogFactor5ErrorDialog

LogFactor5ErrorDialog

LogFactor5InputDialog

LogFactor5InputDialog Creates a popup input dialog box so that users can enter a URL to open a log file from.

LogFactor5LoadingDialog

LogFactor5LoadingDialog

LogFileParser

Provides utility methods for input and output streams.

Logger

This is the central class in the log4j package.

LoggerDynamicMBean

No description provided.

LoggingEvent

The internal representation of logging events.

LogLevel

The LogLevel class defines a set of standard logging levels.

LogLog

This class used to output log statements from within the log4j package.

LogManager

Use the LogManager class to retreive Logger instances or to operate on the current LoggerRepository .

LogMonitorAdapter

LogMonitorAdapter facilitates the usage of the LogMonitor

LogRecord

LogRecord.

LogTable

LogTable.

LogTableColumn

LogTableColumn

LogTableModel

LogTableModel

LogTableRowRenderer

LogTableRowRenderer

Loop

org.apache.log4j.varia.test

No description provided.

Loop

This test program reads a config file and attempts to log to the appenders specified as many times as specified by the second loopLength parameter.

Main

org.apache.log4j.chainsaw

The main application.

MDC

org.apache.log4j.lf5.viewer.configure

The MDC class is similar to the NDC class except that it is based on a map instead of a stack.

MessageRenderer

org.apache.log4j.or.jms

Render javax.jms.Message objects.

MRUFileManager

MRUFileManager handles the storage and retrival the most recently opened log files.

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.

NewVsSetLen

This program compares the cost of creating a new StringBuffer and converting it to a String versus keeping the same StringBuffer, setting its size to zero and then converting it to String.

NOPWriter

Extends Writer with methods that return immediately without doing anything.

NTEventLogAppender

org.apache.log4j.nt

Append to the NT event log system.

NTMin

org.apache.log4j.nt.test

No description provided.

NullAppender

A bogus appender which calls the format method of its layout object but does not write the result anywhere.

NullAppender

A NullAppender merely exists, it never outputs a message to any device.

NullEnumeration

An always-empty Enumerator.

OnlyOnceErrorHandler

The OnlyOnceErrorHandler implements log4j's default error handling policy which consists of emitting a message for the first error in an appender and ignoring all following errors.

OptionConverter

A convenience class to convert property values to specific types.

PassingLogRecordFilter

An implementation of LogRecordFilter which always returns true.

PatternConverter

PatternConverter is an abtract class that provides the formatting functionality that derived classes need.

PatternLayout

A flexible layout configurable with pattern string.

PatternParser

Most of the work of the PatternLayout class is delegated to the PatternParser class.

Priority

Refrain from using this class directly, use the Level class instead.

PropertyConfigurator

Allows the configuration of log4j from an external file.

PropertyGetter

org.apache.log4j.config

Used for inferring configuration information for a log4j's component.

PropertyPrinter

org.apache.log4j.config

Prints the configuration of the log4j default hierarchy (which needs to be auto-initialized) as a propoperties file on a PrintWriter .

PropertySetter

org.apache.log4j.config

General purpose Object property setter.

QuietWriter

QuietWriter does not throw exceptions when things go wrong.

RelativeTimeDateFormat

ReloadingPropertyConfigurator

Formats a Date by printing the number of milliseconds elapsed since the start of the application.

org.apache.log4j.xml.examples

No description provided.

RendererMap

org.apache.log4j.or

Map class objects to an ObjectRenderer .

ReportParserError

This class is needed for validating a log4j.dtd derived XML file.

Resource

Resource encapsulates access to Resources via the Classloader.

ResourceUtils

ResourceUtils.

Roller

A simple application to send roll over messages to a potentially remote ExternallyRolledFileAppender .

RollingFileAppender

RollingFileAppender extends FileAppender to backup the log files when they reach a certain size.

RootCategory

No description provided.

RootLogger

RootLogger sits at the top of the logger hierachy.

SAXErrorHandler

No description provided.

SimpleLayout

SimpleLayout consists of the level of the log statement, followed by " - " and then the log message itself.

SimpleSocketServer

A simple SocketNode based server.

SMTPAppender

Send an e-mail when a specific logging event occurs, typically on errors or fatal errors.

SMTPMin

No description provided.

SocketAppender

Sends LoggingEvent objects to a remote a log server, usually a SocketNode .

SocketHubAppender

Sends LoggingEvent objects to a set of remote log servers, usually a SocketNodes .

SocketMin

No description provided.

SocketNode

Read LoggingEvent objects sent from a remote client using Sockets (TCP).

SocketServer

A SocketNode based server that uses a different hierarchy for each client.

StartLogFactor5

Starts an instance of the LogFactor5 console for off-line viewing.

StreamUtils

Provides utility methods for input and output streams.

StringMatchFilter

This is a very simple filter based on string matching.

SyslogAppender

Use SyslogAppender to send log messages to a remote syslog daemon.

SyslogMin

No description provided.

SyslogQuietWriter

SyslogQuietWriter extends QuietWriter by prepending the syslog level code before each printed String.

SyslogWriter

SyslogWriter is a wrapper around the java.net.DatagramSocket class so that it behaves like a java.io.Writer.

SystemTime

Measures the time required to make a System.currentTimeMillis() and Thread.currentThread().getName() calls.

TelnetAppender

TelnetAppender.SocketHandler

The TelnetAppender is a log4j appender that specializes in writing to a read-only socket.

The SocketHandler class is used to accept connections from clients.

ThreadGroupRenderer

org.apache.log4j.or

Render ThreadGroup objects in a format similar to the information output by the list() method.

ThreadLocalMap

ThreadLocalMap extends InheritableThreadLocal to bequeath a copy of the hashtable of the MDC of the parent thread.

ThrowableInformation

TrackingAdjustmentListener

ThrowableInformation is log4j's internal representation of throwables.

An AdjustmentListener which ensures that an Adjustable (e.g.

Transform

Utility class for transforming strings.

TreeModelAdapter

Default implementation of TreeModelListener which does nothing.

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.

XMLLayout