NullLogger (POI API Documentation)

Overview

Package

Class

Use

Tree

Deprecated

Index

Help

PREV CLASS NEXT CLASS

FRAMES NO FRAMES

SUMMARY: NESTED | FIELD | CONSTR | METHOD

DETAIL: FIELD | CONSTR | METHOD

org.apache.poi.util
Class NullLogger

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

public class NullLogger
extends POILogger
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, LEVEL_STRINGS, LEVEL_STRINGS_SHORT, WARN`

Constructor Summary
`NullLogger()`

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, logFormatted`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

NullLogger

public NullLogger()

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)