Allow user to specify which <dmdSec> is used by the METS Ingester when
importing METS from Packager script
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Key: DS-386
URL: http://jira.dspace.org/jira/browse/DS-386
Project: DSpace 1.x
Issue Type: Improvement
Components: DSpace API
Affects Versions: 1.6.0
Environment: Any command line environment
Reporter: Tim Donohue
Assignee: Tim Donohue
Priority: Minor
Attachments: METSIngesterParams.patch
Currently, the DSpaceMETSIngester makes the choice of which <dmdSec> to
crosswalk when a METS file is ingested by the Packager script. The current
algorithm is as follows (as documented in DSpaceMETSIngester.chooseItemDmd()
method):
(1) Crosswalk the MODS <dmdSec> if found
(2) If MODS not found, crosswalk the DC <dmdSec> if found
(3) If neither are found, crosswalk the first <dmdSec> encountered
I'd like to propose that we also allow the user to specify the primary <dmdSec>
to be crosswalked, via a commandline parameter. So, instead, the new algorithm
would be:
(1) Crosswalk the <dmdSec> specified by the "dmd" parameter to the Packager
script (if specified)
(2) If "dmd" param not specified, crosswalk the MODS <dmdSec> if found
(3) If MODS not found, crosswalk the DC <dmdSec> if found
(4) If none are found, crosswalk the first <dmdSec> encountered
The reasoning for this change is that it could be possible that there are
multiple <dmdSec>'s and the MODS or the DC may not actually be the best choice
to crosswalk (to avoid metadata loss). A simple example could be if a user had
exported a METS file from DSpace containing both DIM and MODS. With the old
algorithm, the MODS <dmdSec> would be choosen....even though in this special
case the DIM <dmdSec> would be more appropriate as DSpace doesn't even need to
crosswalk it.
A patch is attached for review.
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