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Posted to log4j-dev@logging.apache.org by "Matt Sicker (JIRA)" <ji...@apache.org> on 2014/03/29 22:58:14 UTC
[jira] [Resolved] (LOG4J2-564) The name of the SLF4JLogger
implementation should point to Log4j 2
[ https://issues.apache.org/jira/browse/LOG4J2-564?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matt Sicker resolved LOG4J2-564.
--------------------------------
Resolution: Done
Fix Version/s: 2.0-rc2
Fixed in r1583065.
> The name of the SLF4JLogger implementation should point to Log4j 2
> ------------------------------------------------------------------
>
> Key: LOG4J2-564
> URL: https://issues.apache.org/jira/browse/LOG4J2-564
> Project: Log4j 2
> Issue Type: Bug
> Components: SLF4J Bridge
> Affects Versions: 2.0-rc1
> Environment: All (tried on Ubuntu 12 x64, Windows 7 x64, Mac OS X Maverick)
> Reporter: Mihai Nita
> Priority: Critical
> Labels: slf4j
> Fix For: 2.0-rc2
>
>
> The name of org.slf4j.impl.SLF4JLogger should indicate somehow that we are dealing with Log4j 2.
> Right now the class is org.slf4j.impl.SLF4JLogger
> These are the names from other bindings:
> nop : org.slf4j.helpers.NOPLogger
> simple : org.slf4j.impl.SimpleLogger
> jdk : org.slf4j.impl.JDK14LoggerAdapter
> jcl : org.slf4j.impl.JCLLoggerAdapter
> log4j : org.slf4j.impl.Log4jLoggerAdapter
> logback : ch.qos.logback.classic.Logger
> Every one of them indicates what is the binding for, in the class name (all slf4j bindings), or as part of package name (logback).
> Use case: "hook" into the functionality of the logger under slf4j to control stuff not accessible through slf4j.
> Example:
> http://code.google.com/p/okapi/source/browse/#git%2Fapplications%2Frainbow%2Fsrc%2Fmain%2Fjava%2Fnet%2Fsf%2Fokapi%2Fapplications%2Frainbow%2Flogger
> Code to reproduce this:
> =========
> import org.slf4j.Logger;
> import org.slf4j.LoggerFactory;
> public class LogHandlerFactory {
> static public void main(String [] args) {
> Logger localLogger = LoggerFactory.getLogger(LogHandlerFactory.class);
> String realLogger = localLogger.getClass().getName();
> System.out.printf("%-8s: %s%n", args.length > 0 ? args[0] : "???", realLogger);
> }
> }
> =========
> Thank you,
> Mihai
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