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From Rick Hillegas <Richard.Hille...@Sun.COM>
Subject Re: stubbed out implementations of jcp-managed interfaces
Date Tue, 30 Oct 2007 12:38:45 GMT
Thanks for everyone's responses so far. Nathan also raised the issue of 
copyright notice for the stubs. Would the stubs need a dual copyright 
notice or would ASLv2 be sufficient?


Nathan Beyer wrote:
> I believe something similar is done to compile the OSGi code. If you
> register to download the specification, a couple of the provided
> downloads are JARs that are the compiled stubs and source for the
> CDC/etc that the OSGi classes are compiled against.
> If you look at the stub source, they seem to have ASLv2 license with a
> copyright claim to Sun and the OSGi Alliance.
> As for creating the stubs, the Harmony project works under the
> assumptions Henri mentioned below. You can use the spec (the javadoc)
> to build the source, but you can't copy the javadoc comments.
> -Nathan
> On 10/26/07, Henri Yandell <bayard@apache.org> wrote:
>> On 10/26/07, Rick Hillegas <Richard.Hillegas@sun.com> wrote:
>>> The following issue has come up on the Derby developer list and I would
>>> like your advice about how to proceed:
>>> In order to build a releasable distribution of Derby, a developer needs
>>> to compile Derby's small device support. Right now, this involves
>>> finding an implementation of the CDC foundation classes and the JSR 169
>>> database interface classes--both of which implementations are licensed
>>> under JCP rules. As far as I know, the only implementations of these
>>> interfaces are available from companies which require that you accept
>>> their additional, encumbering licenses. Rather than sending every
>>> release manager out on this hunt, I'd like to be able to check in enough
>>> Apache-compatible machinery that the Derby build would always
>>> automatically compile the small device support.
>>> One possibility would be to create our own stubbed out implementation of
>>> the CDC foundation and JSR 169 classes. A warning, however, has been
>>> raised. We are worried that the JCP rules may not allow us to create a
>>> stubbed out implementation which is only useful for compilation
>>> purposes. Is that also the opinion of the jcp-open@apache.org list?
>>> I would appreciate your advice on how I can get my hands on unencumbered
>>> compile-time machinery so that I can simplify the Derby build.
>> I thought Geronimo had done this a lot - you can use the spec to build
>> it but you can't use the javadoc as that is copyrightable. As long as
>> we don't release it claiming it is a certified implementation of the
>> JSR, then I think we're fine.
>> Will let others chime in if they think different.
>> We've long talked about having a central location for all of these
>> jars to sit so we're not all playing hunt-the-jar when its time to
>> find such a stub.
>> Hen

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