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From Simon Kitching <>
Subject Re: java.util.Service
Date Thu, 09 Mar 2006 20:37:17 GMT
On Thu, 2006-03-09 at 09:04 -0800, Craig McClanahan wrote:
> On 3/9/06, Jörg Schaible <> wrote:
> >
> > Hi folks,
> >
> > do we have something like the java.util.Service class introduced with JDK
> > 1.6 withing Jakarta? This is basically a proper API to access the Service
> > Provider mechanism described here:
> >
> The closest analog is probably the "Commons Discovery" package, which
> utilizes a variety of strategies to do service discovery (including, IIRC,
> the META-INF service lookup trick).

As it happens, I've just implemented Service functionality as part of a
JCL 2.x experimental prototype (including unit tests). You're welcome to
the code..

Regretfully I don't have a lot of confidence in the commons-discovery
code. There are *so* many weird classpath-related situations that can
occur inside containers that any code of more than trivial complexity is
almost certain to be wrong in some circumstances. If you want Service
support, I would recommend *just* implementing Service support rather
than using commons-discovery.



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