On Sat, Sep 15, 2012 at 6:32 PM, Stephen Mather <[email protected]>wrote:
> Hi All,
> As a non-developer lurker on this list, I thought I'd mention an
> idea that occurred to me as a potentially useful GeoServer feature--
> providing hash checksum service for services like WFS, sort of a vendor
> extension to WFS for data verification. So if this is my WFS request:
>
>
> http://localhost:8080/geoserver/metroparks/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=metroparks:cuyahoga_hydro_polygon&outputFormat=SHAPE-ZIP
>
>
> http://localhost:8080/geoserver/metroparks/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=metroparks:cuyahoga_hydro_polygon&outputFormat=
> *SHAPE-ZIP-HASH-SHA512*
>
> I could see some logistical problems with this-- typically WFS is
> streaming, and I don't know if that makes generating a hash any more
> difficult without temporarily storing in memory, but that's what makes me a
> user :).
>
Computing a checksum in a streaming manner is not a problem, the problem if
anything is... where do we put the checksum, especially since the checksum
itself is available only when the download has been completed?
Cheers
Andrea
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