Simon Kitching wrote: > On Thu, 2006-03-09 at 09:04 -0800, Craig McClanahan wrote: >> On 3/9/06, Jörg Schaible <[EMAIL PROTECTED]> 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: >> > http://java.sun.com/j2se/1.4.2/docs/guide/jar/jar.html#Service%20Provider >> >> >> 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.. > > http://svn.apache.org/repos/asf/jakarta/commons/proper/logging/contrib/simon/jcl2/core/java/org/apache/commons/logging/Utils.java > > http://svn.apache.org/repos/asf/jakarta/commons/proper/logging/contrib/simon/jcl2/core/
I'll have a look. > 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. ... and as an upcoming JDK 1.6 core functionality this would make a good citizen of lang ? :) - Jörg --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
