org.apache.poi.util
Class CommonsLogger

java.lang.Object
  org.apache.poi.util.POILogger
      org.apache.poi.util.CommonsLogger

public class CommonsLogger
extends POILogger

A logger class that strives to make it as easy as possible for developers to write log calls, while simultaneously making those calls as cheap as possible by performing lazy evaluation of the log message.

Author:

Marc Johnson (mjohnson at apache dot org), Glen Stampoultzis (glens at apache.org), Nicola Ken Barozzi (nicolaken at apache.org)

Field Summary

Fields inherited from class org.apache.poi.util.POILogger

DEBUG, ERROR, FATAL, INFO, WARN

Constructor Summary

CommonsLogger()

Method Summary

boolean	check(int level) Check if a logger is enabled to log at the specified level
void	initialize(java.lang.String cat)
void	log(int level, java.lang.Object obj1) Log a message
void	log(int level, java.lang.Object obj1, java.lang.Throwable exception) Log a message

Methods inherited from class org.apache.poi.util.POILogger

log, log, log, log, log, log, log, log, log, log, log, log, log, log, log, logFormatted, logFormatted, logFormatted, logFormatted

Methods inherited from class java.lang.Object

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

Constructor Detail

CommonsLogger

public CommonsLogger()

Method Detail

initialize

public void initialize(java.lang.String cat)

Specified by:

initialize in class POILogger

log

public void log(int level,
                java.lang.Object obj1)

Log a message

Specified by:

log in class POILogger

Parameters:

level - One of DEBUG, INFO, WARN, ERROR, FATAL

obj1 - The object to log.

log

public void log(int level,
                java.lang.Object obj1,
                java.lang.Throwable exception)

Log a message

Specified by:

log in class POILogger

Parameters:

level - One of DEBUG, INFO, WARN, ERROR, FATAL

obj1 - The object to log. This is converted to a string.

exception - An exception to be logged

check

public boolean check(int level)

Check if a logger is enabled to log at the specified level

Specified by:

check in class POILogger

Parameters:

level - One of DEBUG, INFO, WARN, ERROR, FATAL