Package org.apache.log4j

Class Logger

java.lang.Object

org.apache.log4j.Category

org.apache.log4j.Logger

@Deprecated(since="2022-01-27")
public class Logger
extends Category

Deprecated.

Apache Log4j 1 has reached end of life in 2015 and is no longer supported.

This class is a minimal implementation of the original org.apache.log4j.Logger class (as found in log4j 1.2) delegating all calls to a Logger instance.

Method Summary

Modifier and Type	Method	Description
static Logger	getLogger(Class clazz)	Deprecated.
static Logger	getLogger(String name)	Deprecated.
static Logger	getLogger(String name, LoggerFactory loggerFactory)	Deprecated.
static Logger	getRootLogger()	Deprecated. Does the obvious.
boolean	isTraceEnabled()	Deprecated. Delegates to Logger.isTraceEnabled() method of SLF4J.
void	trace(Object message)	Deprecated. Delegates to Logger.trace(String) method in SLF4J.
void	trace(Object message, Throwable t)	Deprecated. Delegates to Logger.trace(String,Throwable) method in SLF4J.

Methods inherited from class org.apache.log4j.Category

addAppender, assertLog, debug, debug, error, error, fatal, fatal, getAdditivity, getAllAppenders, getAppender, getEffectiveLevel, getInstance, getInstance, getLevel, getName, getParent, getPriority, info, info, isDebugEnabled, isEnabledFor, isErrorEnabled, isInfoEnabled, isWarnEnabled, log, log, log, setAdditivity, setLevel, warn, warn

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

getLogger

public static Logger getLogger(String name)

Deprecated.

getLogger

public static Logger getLogger(String name,
 LoggerFactory loggerFactory)

Deprecated.

getLogger

public static Logger getLogger(Class clazz)

Deprecated.

getRootLogger

public static Logger getRootLogger()

Deprecated.

Does the obvious.

Returns:

isTraceEnabled

public boolean isTraceEnabled()

Deprecated.

Delegates to Logger.isTraceEnabled() method of SLF4J.

trace

public void trace(Object message)

Deprecated.

Delegates to Logger.trace(String) method in SLF4J.

trace

public void trace(Object message,
 Throwable t)

Deprecated.

Delegates to Logger.trace(String,Throwable) method in SLF4J.