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https://issues.apache.org/jira/browse/LOG4J2-547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13917561#comment-13917561
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Matt Sicker commented on LOG4J2-547:
------------------------------------

I'm starting to see two ways this can go: as part of the API, or a separate 
module dependent on log4j-api (similar to fluent-hc from HttpComponents). I 
like the idea of going the full java.io route for spying and such (which can 
help log I/O as well as provide a path for logger-less code to transition to 
real loggers).

As for the one root class, of course LogManager should have the API available 
to create the streams and reader/writers, but that could easily be delegated 
just like how most of the methods in LogManager already delegate to a 
LoggerContextFactory.

> Update LoggerStream API
> -----------------------
>
>                 Key: LOG4J2-547
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-547
>             Project: Log4j 2
>          Issue Type: Improvement
>          Components: API
>    Affects Versions: 2.0-rc1
>            Reporter: Matt Sicker
>            Assignee: Ralph Goers
>             Fix For: 2.0
>
>         Attachments: 0001-PrintStream-API-update.patch, 
> Add_caller_info_tests.patch, log4j2-loggerStream.patch
>
>
> I've got some ideas on how to improve the LoggerStream idea that I added a 
> little while ago. The main thing I'd like to do is extract an interface from 
> it, rename the default implementation to SimpleLoggerStream (part of the 
> SimpleLogger stuff), and allow log4j implementations to specify a different 
> implementation if desired.
> In doing this, I'm not sure where specifically I'd prefer the getStream 
> methods to be. Right now, it's in Logger, but really, it could be in 
> LoggerContext instead. I don't think I should be required to get a Logger 
> just to get a LoggerStream.
> Now if only the java.io package used interfaces instead of classes. This 
> would be so much easier to design!



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