Hi,
I'm in the process of building a set of Fedora objects using FOXML. I
have left the fedora.fcfg autoChecksum configuration set to False for
performance reasons, however I would like to specify checksums on
specific Datastreams. The Checksum documentation at
https://wiki.duraspace.org/display/FCR30/Checksums hints that it should
be possible to add checksum information at a Datastream level:-
"Another way to override the default checksumming mechanism is via new
attributes that have been added to the FOXML and METS specs for
ingesting digital objects. The FOXML and METS specifications now allow
the checksum algorithm to be used for each Datastream to be specified as
attributes on one of the elements defining that Datastream. When a
checksum algorithm is specified in the XML for a Datastream of a digital
object, this value will be used to compute the checksum for that
Datastream rather than the default algorithm specified in the
fedora.fcfg file. Note that the syntax for thusly specifying a checksum
algorithm for a Datastream in a digital object is different for FOXML
and for METS, the specific syntax to use can be found in the schemas for
those XML formats."
Therefore I have a built a FOXML with the following:-
<foxml:datastream STATE="A" CONTROL_GROUP="M" VERSIONABLE="true"
CHECKSUM="MD5" ID="content">
<foxml:datastreamVersion ID="content.0" LABEL="content"
MIMETYPE="application/pdf"> ...
</foxml:datastreamVersion>
</foxml:datastream>
Unfortunately this fails the schema validation (checksum not a valid
attribute). Sure enough there is no mention of checksum at
http://www.fedora.info/definitions/1/0/foxml1-1.xsd
What is the correct way of specifying a checksum for datastream within
FOXML?
Many thanks,
Simon Lamb
Software Developer
Information and Communication Technology Department (ICTD) || The
University of Hull
T. +44 (0) 1482 462076
[email protected]|| www.hull.ac.uk
Customer Support. +44 (0) 1482 462010 || [email protected]
<mailto:[email protected]> || www.hull.ac.uk/help
<http://www.hull.ac.uk/help>
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