The draft specification repeatedly mentions SLF4J and supports it explicitly. Log4j is an implementation that can be used behind SLF4J.
So… what’s missing? > On 6 Apr 2017, at 22:25, Matt Sicker <boa...@gmail.com> wrote: > > I'm honestly surprised that there was no collaboration between SLF4J or Log4j > about this considering most implementations of the service will end up > delegating to Log4j2 or Logback most likely (see pax-logging for example). > > On 6 April 2017 at 13:58, BJ Hargrave <hargr...@us.ibm.com > <mailto:hargr...@us.ibm.com>> wrote: > It is indeed a service. The spec writing for these changes are not in the > draft spec so you can see > https://github.com/osgi/design/blob/master/rfcs/rfc0219/rfc-0219-LogService-Update.pdf > > <https://github.com/osgi/design/blob/master/rfcs/rfc0219/rfc-0219-LogService-Update.pdf> > for some more detail/background on the change. > > > Also see https://github.com/osgi/slf4j-osgi > <https://github.com/osgi/slf4j-osgi> which holds an slf4j binding to the new > Log Service. > -- > > BJ Hargrave > Senior Technical Staff Member, IBM // office: +1 386 848 1781 > <tel:(386)%20848-1781> > OSGi Fellow and CTO of the OSGi Alliance // mobile: +1 386 848 3788 > <tel:(386)%20848-3788> > hargr...@us.ibm.com <mailto:hargr...@us.ibm.com> > > > ----- Original message ----- > From: Matt Sicker <boa...@gmail.com <mailto:boa...@gmail.com>> > Sent by: osgi-dev-boun...@mail.osgi.org > <mailto:osgi-dev-boun...@mail.osgi.org> > To: OSGi Developer Mail List <osgi-dev@mail.osgi.org > <mailto:osgi-dev@mail.osgi.org>> > Cc: > Subject: Re: [osgi-dev] Log Service Specification Version 1.4 doubt > Date: Thu, Apr 6, 2017 2:11 PM > > As long as LoggerFactory is a service and not a static singleton like in > SLF4J and Log4j2, then the API makes sense in an OSGi context. If it's yet > another static factory, then I'd promote the use of Log4j2 instead as we > don't need yet another logging facade. > > On 6 April 2017 at 12:27, Cristiano Gavião <cvgav...@gmail.com > <mailto:cvgav...@gmail.com>> wrote: > Hello, > > I was reading today the early draft of compendium 7.0.0. > > I saw two interfaces that caught my attention: LoggerFactory and Logger. > > could someone explain me the idea behind them? why not importing/extending > interfaces from org.slf4j.api instead? > > If I understood it right, LoggerFactory is aimed to be used as a service, but > I wondering, it would be possible to obtain a Logger from the factory > statically as well as we do when using sfl4j/logback on non-service classes? > > thanks, > > Cristiano > > _______________________________________________ > OSGi Developer Mail List > osgi-dev@mail.osgi.org <mailto:osgi-dev@mail.osgi.org> > https://mail.osgi.org/mailman/listinfo/osgi-dev > <https://mail.osgi.org/mailman/listinfo/osgi-dev> > > -- > Matt Sicker <boa...@gmail.com <mailto:boa...@gmail.com>> > _______________________________________________ > OSGi Developer Mail List > osgi-dev@mail.osgi.org <mailto:osgi-dev@mail.osgi.org> > https://mail.osgi.org/mailman/listinfo/osgi-dev > <https://mail.osgi.org/mailman/listinfo/osgi-dev> > > > > _______________________________________________ > OSGi Developer Mail List > osgi-dev@mail.osgi.org <mailto:osgi-dev@mail.osgi.org> > https://mail.osgi.org/mailman/listinfo/osgi-dev > <https://mail.osgi.org/mailman/listinfo/osgi-dev> > > > > -- > Matt Sicker <boa...@gmail.com <mailto:boa...@gmail.com>> > _______________________________________________ > OSGi Developer Mail List > osgi-dev@mail.osgi.org > https://mail.osgi.org/mailman/listinfo/osgi-dev
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