| AbsoluteTimeDateFormat | Formats a Date in the format "HH:mm:ss,SSS" for example, "15:49:37,459". |
| AbstractDynamicMBean | |
| AdapterLogRecord | A LogRecord to be used with the LogMonitorAdapter |
| Agent | This class is deprecated. No replacement. |
| Appender | Implement this interface for your own strategies for outputting log statements. |
| AppenderAttachable | Interface for attaching appenders to objects. |
| AppenderAttachableImpl | A straightforward implementation of the AppenderAttachable
interface. |
| AppenderDynamicMBean | |
| 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 | 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. |
| BridgePatternConverter | The class implements the pre log4j 1.3 org.apache.log4j.helpers.PatternConverter contract by delegating to the log4j 1.3 pattern implementation. |
| BridgePatternParser | The class implements the pre log4j 1.3 org.apache.log4j.helpers.PatternConverter contract by delegating to the log4j 1.3 pattern implementation. |
| CachedDateFormat | CachedDateFormat optimizes the performance of a wrapped DateFormat. |
| Category | This class has been deprecated and
replaced by the Logger subclass. |
| CategoryAbstractCellEditor | CategoryAbstractCellEditor. |
| CategoryElement | CategoryElement represents a single element or part of a Category. |
| CategoryExplorerLogRecordFilter | An implementation of LogRecordFilter based on a CategoryExplorerModel |
| CategoryExplorerModel | CategoryExplorerModel |
| CategoryExplorerTree | CategoryExplorerTree |
| CategoryImmediateEditor | CategoryImmediateEditor |
| CategoryNode | CategoryNode |
| CategoryNodeEditor | CategoryNodeEditor |
| CategoryNodeEditorRenderer | CategoryNodeEditorRenderer |
| CategoryNodeRenderer | CategoryNodeRenderer |
| CategoryPath | CategoryPath is a collection of CategoryItems which represent a path of categories. |
| ClassNamePatternConverter | Formats the class name of the site of the logging request. |
| ConfigurationManager | ConfigurationManager handles the storage and retrival of the state of the CategoryExplorer |
| Configurator | Implemented by classes capable of configuring log4j using a URL. |
| 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. |
| DatePatternConverter | Convert and format the event's date in a StringBuffer. |
| DateTimeDateFormat | Formats a Date in the format "dd MMM yyyy HH:mm:ss,SSS" for example, "06 Nov 1994 15:49:37,459". |
| DefaultLF5Configurator | The DefaultLF5Configurator provides a default
configuration for the LF5Appender. |
| DefaultRepositorySelector | |
| DefaultThrowableRenderer | Default implementation of ThrowableRenderer using Throwable.printStackTrace. |
| DenyAllFilter | This filter drops all logging events. |
| DOMConfigurator | Use this class to initialize the log4j environment using a DOM tree. |
| EnhancedPatternLayout | This class is an enhanced version of org.apache.log4j.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. |
| ErrorCode | This interface defines commonly encoutered error codes. |
| ErrorHandler | Appenders may delegate their error handling to
ErrorHandlers. |
| 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. |
| FileDatePatternConverter | Formats an date by delegating to DatePatternConverter. |
| FileLocationPatternConverter | Return the event's line location information in a StringBuffer. |
| 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. |
| FormattingInfo | Modifies the output of a pattern converter for a specified minimum and maximum width and alignment. |
| FullLocationPatternConverter | Format the event's line location information. |
| Hierarchy | This class is specialized in retrieving loggers by name and also maintaining the logger hierarchy. |
| HierarchyDynamicMBean | |
| HierarchyEventListener | Listen to events occuring within a Hierarchy. |
| HTMLLayout | This layout outputs events in a HTML table. |
| IntegerPatternConverter | Formats an integer. |
| ISO8601DateFormat | Formats a Date in the format "yyyy-MM-dd HH:mm:ss,SSS" for example "1999-11-27 15:49:37,459". |
| JDBCAppender | The JDBCAppender provides for sending log events to a database. |
| 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 | |
| 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. |
| LevelPatternConverter | Return the event's level in a StringBuffer. |
| 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. |
| LineLocationPatternConverter | Return the event's line location information in a StringBuffer. |
| LineSeparatorPatternConverter | Formats a line separator. |
| LiteralPatternConverter | Formats a string literal. |
| 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 . |
| LogEvent | This class is a copy of o.a.l.spi.LoggingEvent from log4j 1.2.15 which has been renamed to keep the same overall class name length to allow a serialization written with a prior instance of o.a.l.spi.LoggingEvent to be deserialized with this class just by mangling the class name in the byte stream. |
| 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 | |
| LoggerFactory | Implement this interface to create new instances of Logger or a sub-class of Logger. |
| LoggerPatternConverter | Formats a logger name. |
| LoggerRepository | A LoggerRepository is used to create and retrieve
Loggers. |
| LoggingEvent | The internal representation of logging events. |
| LoggingEventPatternConverter | LoggingEventPatternConverter is a base class for pattern converters that can format information from instances of LoggingEvent. |
| LogLevel | The LogLevel class defines a set of standard logging levels. |
| LogLevelFormatException | Thrown to indicate that the client has attempted to convert a string to one the LogLevel types, but the string does not have the appropriate format. |
| 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. |
| LogMF | This class provides parameterized logging services using the pattern syntax of java.text.MessageFormat. |
| LogMonitorAdapter | LogMonitorAdapter facilitates the usage of the LogMonitor |
| LogRecord | LogRecord. |
| LogRecordFilter | An interface for classes which filters LogRecords. |
| LogSF | This class provides parameterized logging services using the SLF4J pattern syntax. |
| LogTable | LogTable. |
| LogTableColumn | LogTableColumn |
| LogTableColumnFormatException | Thrown to indicate that the client has attempted to convert a string to one the LogLevel types, but the string does not have the appropriate format. |
| LogTableModel | LogTableModel |
| LogTableRowRenderer | LogTableRowRenderer |
| LogXF | This is a base class for LogMF and LogSF parameterized logging classes. |
| Main | The main application. |
| MDC | The MDC class is similar to the NDC class except that it is
based on a map instead of a stack. |
| MDCKeySetExtractor | |
| MessagePatternConverter | Return the event's rendered message in a StringBuffer. |
| MessageRenderer | Render javax.jms.Message objects. |
| MethodLocationPatternConverter | Return the event's line location information in a StringBuffer. |
| MRUFileManager | MRUFileManager handles the storage and retrival the most recently opened log files. |
| NameAbbreviator | NameAbbreviator generates abbreviated logger and class names. |
| NamePatternConverter | Base class for other pattern converters which can return only parts of their name. |
| 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. |
| NDCPatternConverter | Return the event's NDC in a StringBuffer. |
| NOPLogger | No-operation implementation of Logger used by NOPLoggerRepository. |
| NOPLoggerRepository | No-operation implementation of LoggerRepository which is used when LogManager.repositorySelector is erroneously nulled during class reloading. |
| NTEventLogAppender | Append to the NT event log system. |
| NullAppender | A NullAppender merely exists, it never outputs a message to any device. |
| NullEnumeration | An always-empty Enumerator. |
| ObjectRenderer | Implement this interface in order to render objects as strings. |
| 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. |
| OptionHandler | A string based interface to configure package components. |
| PassingLogRecordFilter | An implementation of LogRecordFilter which always returns true. |
| PatternConverter | PatternConverter is an abtract class that provides the formatting functionality that derived classes need. |
| PatternConverter | PatternConverter is an abstract 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. |
| PatternParser | Most of the work of the EnhancedPatternLayout class
is delegated to the PatternParser class. |
| Priority | Refrain from using this class directly, use
the Level class instead. |
| PropertiesPatternConverter | Able to handle the contents of the LoggingEvent's Property bundle and either output the entire contents of the properties in a similar format to the java.util.Hashtable.toString(), or to output the value of a specific key within the property bundle when this pattern converter has the option set. |
| PropertyConfigurator | Allows the configuration of log4j from an external file. |
| PropertyGetter | Used for inferring configuration information for a log4j's component. |
| PropertyGetter.PropertyCallback | |
| PropertyPrinter | Prints the configuration of the log4j default hierarchy (which needs to be auto-initialized) as a propoperties file on a PrintWriter. |
| PropertySetter | General purpose Object property setter. |
| PropertySetterException | Thrown when an error is encountered whilst attempting to set a property
using the PropertySetter utility class. |
| QuietWriter | QuietWriter does not throw exceptions when things go wrong. |
| RelativeTimeDateFormat | Formats a Date by printing the number of milliseconds elapsed since construction of the format. |
| RelativeTimePatternConverter | Return the relative time in milliseconds since loading of the LoggingEvent class. |
| ReloadingPropertyConfigurator | |
| RendererMap | Map class objects to an ObjectRenderer. |
| RendererSupport | |
| RepositorySelector | The LogManager uses one (and only one)
RepositorySelector implementation to select the
LoggerRepository for a particular application context. |
| 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 |
This class is deprecated.
Replaced by RootLogger.
|
| RootLogger | RootLogger sits at the top of the logger hierachy. |
| SAXErrorHandler | |
| SequenceNumberPatternConverter | Formats the event sequence number. |
| 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. |
| 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. |
| 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. |
| 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. |
| TelnetAppender | The TelnetAppender is a log4j appender that specializes in writing to a read-only socket. |
| TelnetAppender.SocketHandler | The SocketHandler class is used to accept connections from clients. |
| ThreadGroupRenderer | 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. |
| ThreadPatternConverter | Formats the event thread name. |
| ThrowableInformation | ThrowableInformation is log4j's internal representation of throwables. |
| ThrowableInformationPatternConverter | Outputs the ThrowableInformation portion of the LoggingEvent. |
| ThrowableRenderer | Implemented by classes that render instances of java.lang.Throwable (exceptions and errors) into a string representation. |
| ThrowableRendererSupport | Implemented by logger repositories that support configurable rendering of Throwables. |
| TrackingAdjustmentListener | An AdjustmentListener which ensures that an Adjustable (e.g. |
| Transform | Utility class for transforming strings. |
| TreeModelAdapter | Default implementation of TreeModelListener which does nothing. |
| TriggeringEventEvaluator | Implementions of this interface allow certain appenders to decide when to perform an appender specific action. |
| TTCCLayout | TTCC layout format consists of time, thread, category and nested diagnostic context information, hence the name. |
| UnrecognizedElementHandler | When implemented by an object configured by DOMConfigurator, the handle method will be called when an unrecognized child element is encountered. |
| WriterAppender | WriterAppender appends log events to a java.io.Writer or an java.io.OutputStream depending on the user's choice. |
| XMLLayout | The output of the XMLLayout consists of a series of log4j:event elements as defined in the log4j.dtd. |
| XMLSample | This example code shows how to read an XML based configuration file using a DOM parser. |
| ZeroConfSupport |