On Wed, May 11, 2011 at 14:24, Vincent Massol <vincent(a)massol.net> wrote:
Hi devs,
After progressing on the new logging implementation I've come to the conclusion that
we don't need our own facade in xwiki-commons-logging. I started doing the facade and
then hit the issue that we need a facade for the MDC feature too (Mapped Diagnostic
Context) so that would be one more class to add. If you follow in the direction what will
happen is that we will, in the end, completely copy the slf4j-api sources, just under a
different name.
So my proposal is that we standardize on the SLF4J API and use it directly without any
facade.
The rationale is:
* The SLF4J API is in a single jar (slf4j-api.jar) which is a minimal JAR weighting 23KB
(small)
* The SLF4J API can be implemented over all existing logging systems. There are currently
implementation for at least log4j, jdk14 logging, commons logging, logback and more. So
it's ensured that if we wanted we would be able to write our own implementation of it
for whatever log system that can come up.
* That's one more thing that we don't have to maintain
* It's very mature since the guy who wrote it (Ceki) has gone through the log4j
experience
Here's my +1
+1, the idea is that we need an API which is not linked to a specific
implementation and that's exactly how slf4j has been designed and we
don't need to have everything we use to be branded XWiki
Thanks
-Vincent
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Thomas Mortagne