org.apache.avalon.excalibur.logger
Class Log4JLogger

java.lang.Object
  extended byorg.apache.avalon.excalibur.logger.Log4JLogger
All Implemented Interfaces:
Logger

public class Log4JLogger
extends java.lang.Object
implements Logger

The default Log4J wrapper class for Logger. This implementation replaces the implementation from Avalon framework. It "caches" the log levels for improved performance.

Version:
CVS $Revision: 1.21 $ $Date: 2004/05/04 13:08:00 $
Author:
Avalon Development Team

Constructor Summary
Log4JLogger(org.apache.log4j.Logger logImpl)
          Create a logger that delegates to specified category.
 
Method Summary
 void debug(java.lang.String message)
          Log a debug message.
 void debug(java.lang.String message, java.lang.Throwable throwable)
          Log a debug message.
 void error(java.lang.String message)
          Log a error message.
 void error(java.lang.String message, java.lang.Throwable throwable)
          Log a error message.
 void fatalError(java.lang.String message)
          Log a fatalError message.
 void fatalError(java.lang.String message, java.lang.Throwable throwable)
          Log a fatalError message.
 Logger getChildLogger(java.lang.String name)
          Create a new child logger.
 void info(java.lang.String message)
          Log a info message.
 void info(java.lang.String message, java.lang.Throwable throwable)
          Log a info message.
 boolean isDebugEnabled()
          Determine if messages of priority "debug" will be logged.
 boolean isErrorEnabled()
          Determine if messages of priority "error" will be logged.
 boolean isFatalErrorEnabled()
          Determine if messages of priority "fatalError" will be logged.
 boolean isInfoEnabled()
          Determine if messages of priority "info" will be logged.
 boolean isWarnEnabled()
          Determine if messages of priority "warn" will be logged.
 void warn(java.lang.String message)
          Log a warn message.
 void warn(java.lang.String message, java.lang.Throwable throwable)
          Log a warn message.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Log4JLogger

public Log4JLogger(org.apache.log4j.Logger logImpl)
Create a logger that delegates to specified category.

Parameters:
logImpl - the category to delegate to
Method Detail

debug

public final void debug(java.lang.String message)
Log a debug message.

Specified by:
debug in interface Logger
Parameters:
message - the message

debug

public final void debug(java.lang.String message,
                        java.lang.Throwable throwable)
Log a debug message.

Specified by:
debug in interface Logger
Parameters:
message - the message
throwable - the throwable

isDebugEnabled

public final boolean isDebugEnabled()
Determine if messages of priority "debug" will be logged.

Specified by:
isDebugEnabled in interface Logger
Returns:
true if "debug" messages will be logged

info

public final void info(java.lang.String message)
Log a info message.

Specified by:
info in interface Logger
Parameters:
message - the message

info

public final void info(java.lang.String message,
                       java.lang.Throwable throwable)
Log a info message.

Specified by:
info in interface Logger
Parameters:
message - the message
throwable - the throwable

isInfoEnabled

public final boolean isInfoEnabled()
Determine if messages of priority "info" will be logged.

Specified by:
isInfoEnabled in interface Logger
Returns:
true if "info" messages will be logged

warn

public final void warn(java.lang.String message)
Log a warn message.

Specified by:
warn in interface Logger
Parameters:
message - the message

warn

public final void warn(java.lang.String message,
                       java.lang.Throwable throwable)
Log a warn message.

Specified by:
warn in interface Logger
Parameters:
message - the message
throwable - the throwable

isWarnEnabled

public final boolean isWarnEnabled()
Determine if messages of priority "warn" will be logged.

Specified by:
isWarnEnabled in interface Logger
Returns:
true if "warn" messages will be logged

error

public final void error(java.lang.String message)
Log a error message.

Specified by:
error in interface Logger
Parameters:
message - the message

error

public final void error(java.lang.String message,
                        java.lang.Throwable throwable)
Log a error message.

Specified by:
error in interface Logger
Parameters:
message - the message
throwable - the throwable

isErrorEnabled

public final boolean isErrorEnabled()
Determine if messages of priority "error" will be logged.

Specified by:
isErrorEnabled in interface Logger
Returns:
true if "error" messages will be logged

fatalError

public final void fatalError(java.lang.String message)
Log a fatalError message.

Specified by:
fatalError in interface Logger
Parameters:
message - the message

fatalError

public final void fatalError(java.lang.String message,
                             java.lang.Throwable throwable)
Log a fatalError message.

Specified by:
fatalError in interface Logger
Parameters:
message - the message
throwable - the throwable

isFatalErrorEnabled

public final boolean isFatalErrorEnabled()
Determine if messages of priority "fatalError" will be logged.

Specified by:
isFatalErrorEnabled in interface Logger
Returns:
true if "fatalError" messages will be logged

getChildLogger

public final Logger getChildLogger(java.lang.String name)
Create a new child logger. The name of the child logger is [current-loggers-name].[passed-in-name] Throws IllegalArgumentException if name has an empty element name

Specified by:
getChildLogger in interface Logger
Parameters:
name - the subname of this logger
Returns:
the new logger


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