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org.apache.poi.util
Class CommonsLogger

java.lang.Object
  extended by org.apache.poi.util.POILogger
      extended by 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.

Field Summary
 
Fields inherited from class org.apache.poi.util.POILogger
DEBUG, ERROR, FATAL, INFO, LEVEL_STRINGS, LEVEL_STRINGS_SHORT, WARN
 
Constructor Summary
CommonsLogger()
           
 
Method Summary
protected  void _log(int level, java.lang.Object obj1)
          Log a message
protected  void _log(int level, java.lang.Object obj1, java.lang.Throwable exception)
          Log a message
 boolean check(int level)
          Check if a logger is enabled to log at the specified level
 void initialize(java.lang.String cat)
           
 
Methods inherited from class org.apache.poi.util.POILogger
log
 
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

protected 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

protected 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
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