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From Tim Ellison <t.p.elli...@gmail.com>
Subject Re: Intention to work on Pack200 uncompressor/compressor
Date Fri, 26 May 2006 13:11:37 GMT
Geir Magnusson Jr wrote:
> Tim Ellison wrote:
>> Geir Magnusson Jr wrote:
>>> Jimmy, Jing Lv wrote:
>>>>> Alex Blewitt wrote:
>>>>> Hi everyone,
>>>>> I'd like to start work on an implementation of the pack200
>>>>> decompression algorithm, from the specification which is available at
>>>>> http://www.jcp.org/aboutJava/communityprocess/first/jsr200/
>>>> I shall give you a warm welcome for implementation of Pach200! :)  But
>>>> as I know few about the legality, I wonder it is legal for us(Harmony
>>>> developers) to read such algorithm directly from jcp.org? Can anyone
>>>> give an answer? Let's go ahead if there's no obstacle.
>>> What?  If we implement a spec from the JCP, we get the TCK and pass it.
>>>  That's it.
>> The license I get to by following the URL above states (amongst other
>> things):
>> "This license includes the right to discuss the Specification (including
>> the right to provide limited excerpts of text to the extent relevant to
>> the point[s] under discussion) with other licensees (under this or a
>> substantially similar version of this Agreement) of the Specification.
>> Other than this limited license, you acquire no right, title or interest
>> in or to the Specification or any other Sun intellectual property, and
>> the Specification may only be used in accordance with the license terms
>> set forth herein."
>> IANAL but that doesn't appear to give us rights to implement the spec
>> via that source?  What am I missing?
> Alex gave us the link to the Proposed Final Draft, which isn't licensed
> for implementation, not the final spec itself.
> That can be found here
> http://jcp.org/aboutJava/communityprocess/final/jsr200/index.html
> and is under the usual spec license (which I can probably repeat by
> heart at this point).

Ah yes, that license reads much better.

> My question though is not about this, but if it's part of the Java SE 5
> spec and therefore would be tested w/ the Java SE 5 TCK.  I guess I can
> go dig into the documentation around JSE 5.
> I'm guessing not, and therefore we'll need the standalone TCK for JSR 200.

It is -- there is a java.util.jar.Pack200 type in Java 5 SE, that
references the JSR200 spec for details.

All systems go.



Tim Ellison (t.p.ellison@gmail.com)
IBM Java technology centre, UK.

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