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https://issues.apache.org/jira/browse/PDFBOX-6283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18128179#comment-18128179
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ASF subversion and git services commented on PDFBOX-6283:
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Commit 1939195 from Tilman Hausherr in branch 'pdfbox/branches/3.0'
[ https://svn.apache.org/r1939195 ]
PDFBOX-6283: optimize fixing named destinations name tree; keep named
destination except in case with broken string
> Splitting a pdf does not keep the Catalog names dict
> ----------------------------------------------------
>
> Key: PDFBOX-6283
> URL: https://issues.apache.org/jira/browse/PDFBOX-6283
> Project: PDFBox
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 2.0.37, 3.0.8 PDFBox
> Reporter: Simon Steiner
> Priority: Major
> Labels: split
>
> When I split a pdf, i would expect the Catalog to have a names entry with the
> names that refer to the current page of the split
> {code:java}
> /**
> * Verifies that named destinations (/Names /Dests) pointing to a page
> are copied to the split
> * document that contains that page, remapped to the imported page, and
> that destinations
> * pointing to other pages are not carried over.
> */
> @Test
> public void testSplitCopiesNamedDestinations() throws Exception {
> PDDocument document = new PDDocument();
> PDPage page0 = new PDPage();
> PDPage page1 = new PDPage();
> PDPage page2 = new PDPage();
> document.addPage(page0);
> document.addPage(page1);
> document.addPage(page2);
> PDPageFitDestination dest0 = new PDPageFitDestination();
> dest0.setPage(page0);
> PDPageFitDestination dest1 = new PDPageFitDestination();
> dest1.setPage(page1);
> PDPageFitDestination dest2 = new PDPageFitDestination();
> dest2.setPage(page2);
> Map<String, COSObjectable> destNames = new LinkedHashMap<String,
> COSObjectable>();
> destNames.put("dest0", dest0);
> destNames.put("dest1", dest1);
> destNames.put("dest2", dest2);
> PDDocumentNameDictionary names = new
> PDDocumentNameDictionary(document.getDocumentCatalog());
> PDDestinationNameTreeNode dests = new PDDestinationNameTreeNode();
> dests.setNames(destNames);
> names.setDests(dests);
> document.getDocumentCatalog().setNames(names);
> List<PDDocument> split = new Splitter().split(document);
> Assert.assertEquals(3, split.size());
> for (int i = 0; i < split.size(); i++) {
> PDDocument splitDocument = split.get(i);
> PDDocumentNameDictionary splitNames =
> splitDocument.getDocumentCatalog().getNames();
> Assert.assertNotNull("split document " + i + " should have a name
> dictionary", splitNames);
> Assert.assertNotNull("split document " + i + " should have a
> dests node", splitNames.getDests());
> Map<String, COSObjectable> copiedNames =
> splitNames.getDests().getNames();
> Assert.assertNotNull(copiedNames);
> // only the destination pointing to this page should be present
> Assert.assertEquals(1, copiedNames.size());
> String expectedName = "dest" + i;
> COSObjectable copied = copiedNames.get(expectedName);
> Assert.assertTrue(copied instanceof PDPageFitDestination);
> // the destination must point to the imported page of the split
> document
> PDPage importedPage = ((PDPageFitDestination) copied).getPage();
> Assert.assertSame(splitDocument.getPage(0).getCOSObject(),
> importedPage.getCOSObject());
> }
> }
> {code}
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