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https://issues.apache.org/jira/browse/PDFBOX-4196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16457719#comment-16457719
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Tilman Hausherr commented on PDFBOX-4196:
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Isn't there some method to access this data as text instead of as a date? What
code are you using? Can you attach a PDF? Is my understanding that this is
about reading this data? (not writing it)
> getUnqualifiedSequenceDateValueList returns date with undesired default values
> ------------------------------------------------------------------------------
>
> Key: PDFBOX-4196
> URL: https://issues.apache.org/jira/browse/PDFBOX-4196
> Project: PDFBox
> Issue Type: Wish
> Components: XmpBox
> Affects Versions: 2.0.8
> Reporter: Johannes Manner
> Priority: Major
>
> We try to integrate xmp metadata in pdf files (bibliograhpy metadata written
> in Latex) and read this metadata later on.
> The problem in this case is, that sometimes only the year attribute is
> specified, but the xmp metadata parsing within xmpbox creates calendar values
> with defaults, especially the month attribute is critical for us.
> Maybe an example is more informative:
> <dc:date>
> <rdf:Seq>
> <rdf:li>2017-06</rdf:li>
> </rdf:Seq>
> </dc:date>
> In this case, we are only interested in the year and month value. The day
> value should be null or filled with a non-valid value like -1 or similar.
>
> More problematic is the following case:
> <dc:date>
> <rdf:Seq>
> <rdf:li>2017</rdf:li>
> </rdf:Seq>
> </dc:date>
> Per default PDFBox fills the month with 1 -> January and my import recognices
> this 1 as January, but the value is not present.
> Our wish is, to have a functionality, where we can handle only information
> that are present and not struggeling with default values.
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