Am 24.04.2017 um 14:53 schrieb Olivier Cailloux:
Dear list,
How can I obtain, from a given PDDocument, a list of the page label
ranges that it contains?
Here is an example where I obtain the first PDPageLabelRange. How to
retrieve the other ones? I realize I can iterate over all pages of the
document and query for the possible existence of a pageLabelRange at
each page, but I suspect there must be a more efficient (and simpler)
way.
try (PDDocument document = PDDocument.load(…)) {
assert !document.isEncrypted();
PDDocumentCatalog catalog = document.getDocumentCatalog();
PDPageLabels labels = catalog.getPageLabels();
PDPageLabelRange pageLabelRange = labels.getPageLabelRange(0);
}
[accidentally mailed; repost for the list]
Do you need the range (which is a naming scheme) or do you need the
label? Last one would be easy.
labels.getLabelsByPageIndices();
First one isn't available for some reason. There's a Map<Integer,
PDPageLabelRange> labels, but it is not available to the public.
Tilman
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