Tim Allison created TIKA-2458:
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Summary: Unify number of pages metadata key
Key: TIKA-2458
URL: https://issues.apache.org/jira/browse/TIKA-2458
Project: Tika
Issue Type: Improvement
Components: core
Reporter: Tim Allison
Priority: Minor
On TIKA-2451, we're adding a metadata value for the number of images in a tiff.
This raises the broader (admittedly minor) question of how we want to handle
"number of pages".
I'm opening this issue for discussion and feedback.
Unfortunately Dublin Core doesn't have a {{number of pages}} element as far as
a I can tell.
Do we want to have a single key in {{TikaCoreProperties}} that is "number of
pages" that would be used for:
# number of pages in a PDF
# number of pages that a .docx alleges it has
# the number of slides in a PPT
# the number of sheets in an XLS
# the number of tiffs in a multi-image tiff
Others?
Or, do we want to have different keys {{MSOffice.PageCount}},
{{PagedText.N_PAGES}}, {{TIFF.NUM_TIFFS}}
Or, thanks to the beauty of composite keys, do we want to have both a unified
key and the above individual keys?
*I would propose using PagedText's {{N_PAGES}} as the unifying key, but the
definition of that seems to be strictly within XMP-land _and_ it should be a
sum of the pages in the container document and all embedded documents according
to our javadocs.
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