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https://issues.apache.org/jira/browse/PDFBOX-2687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14324711#comment-14324711
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Vadimo commented on PDFBOX-2687:
--------------------------------
It is only partly fixed. If you take a look at getOutputIntent and
addOutputIntent they implement the same logic.
{code:title=PDDocumentCatalog.java|borderStyle=solid}
2 public List<PDOutputIntent> getOutputIntent () {
453 List<PDOutputIntent> retval = new ArrayList<PDOutputIntent>();
454 COSArray array =
(COSArray)root.getDictionaryObject(COSName.OUTPUT_INTENTS);
455 if (array!=null) {
456 for (COSBase cosBase : array)
457 {
458 PDOutputIntent oi = new
PDOutputIntent((COSDictionary)cosBase);
459 retval.add(oi);
460 }
461 }
462 return retval;
463 }
464
465 /**
466 * Add an OutputIntent to the list.
467 *
468 * If there is not OutputIntent, the list is created and the first
469 * element added.
470 *
471 * @param outputIntent the OutputIntent to add.
472 */
473 public void addOutputIntent (PDOutputIntent outputIntent) {
474 COSArray array = (COSArray)root.getItem(COSName.OUTPUT_INTENTS);
475 if (array==null) {
476 array = new COSArray();
477 root.setItem(COSName.OUTPUT_INTENTS, array);
478 }
479 array.add(outputIntent.getCOSObject());
480 }
{code}
> ClassCastException when trying to get OutputIntents
> ---------------------------------------------------
>
> Key: PDFBOX-2687
> URL: https://issues.apache.org/jira/browse/PDFBOX-2687
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel
> Affects Versions: 1.8.6, 1.8.8, 2.0.0
> Reporter: Maruan Sahyoun
> Assignee: Maruan Sahyoun
> Fix For: 1.8.9, 2.0.0
>
>
> Form the users mailing list:
> Im trying to call "List<PDOutputIntent> outputIntents =
> doc.getDocumentCatalog().getOutputIntent();" on
> https://www.dropbox.com/s/u7gwgxpq1656x4d/acme_invoice-42_a1b.pdf?dl=0
> <https://www.dropbox.com/s/u7gwgxpq1656x4d/acme_invoice-42_a1b.pdf?dl=0>
> The Stacktrace is:
> Caused by: java.lang.ClassCastException: org.apache.pdfbox.cos.COSObject
> cannot be cast to org.apache.pdfbox.cos.COSArray
> at
> org.apache.pdfbox.pdmodel.PDDocumentCatalog.addOutputIntent(PDDocumentCatalog.java:474)
>
> Should the code really contain a cast in PDDocumentCatalog.java:474
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