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https://issues.apache.org/jira/browse/LOG4J2-564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13925029#comment-13925029
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Ralph Goers commented on LOG4J2-564:
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SLF4J requires that the implementation provide classes in the org.slf4j
namespace (StaticLoggerBinder, StaticMarkerBinder and StaticMDCBinder). The
other classes could possibly move to the org.apache.logging.slf4j (or
org.apache.logging.log4j.slf4j) package if you like. Since the org.slf4j
package had to exist it seemed easier to just co-locate the implementation code
with the binder classes.
> 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
>
> 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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