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Log4j 1.2.8
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org.apache.log4j

Class Logger

Implemented Interfaces:
AppenderAttachable
Known Direct Subclasses:
RootCategory
public class Logger
extends Category
This is the central class in the log4j package. Most logging operations, except configuration, are done through this class.

Author:
Ceki Gülcü

Since:
log4j 1.2

Field Summary

Fields inherited from class org.apache.log4j.Category

additive, level, name, parent, repository, resourceBundle

Constructor Summary

Logger(String name)

Method Summary

static Logger
getLogger(Class clazz)
Same as calling getLogger(clazz.getName()).
static Logger
getLogger(String name)
Retrieve a logger by name.
static Logger
getLogger(String name, LoggerFactory factory)
Like getLogger(String) except that the type of logger instantiated depends on the type returned by the LoggerFactory.makeNewLoggerInstance(String) method of the factory parameter.
static Logger
getRootLogger()
Retrieve the root logger.

Methods inherited from class org.apache.log4j.Category

addAppender, assertLog, callAppenders, debug, debug, error, error, exists, fatal, fatal, forcedLog, getAdditivity, getAllAppenders, getAppender, getChainedPriority, getCurrentCategories, getDefaultHierarchy, getEffectiveLevel, getHierarchy, getInstance, getInstance, getLevel, getLoggerRepository, getName, getParent, getPriority, getResourceBundle, getResourceBundleString, getRoot, info, info, isAttached, isDebugEnabled, isEnabledFor, isInfoEnabled, l7dlog, l7dlog, log, log, log, removeAllAppenders, removeAppender, removeAppender, setAdditivity, setLevel, setPriority, setResourceBundle, shutdown, warn, warn

Constructor Details

Logger

protected Logger(String name)

Method Details

getLogger

public static Logger getLogger(Class clazz)
Same as calling getLogger(clazz.getName()).

getLogger

public static Logger getLogger(String name)
Retrieve a logger by name.

getLogger

public static Logger getLogger(String name,
                               LoggerFactory factory)
Like getLogger(String) except that the type of logger instantiated depends on the type returned by the LoggerFactory.makeNewLoggerInstance(String) method of the factory parameter.

This method is intended to be used by sub-classes.

Parameters:
name - The name of the logger to retrieve.
factory - A LoggerFactory implementation that will actually create a new Instance.

Since:
0.8.5

getRootLogger

public static Logger getRootLogger()
Retrieve the root logger.

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