[jira] [Created] (PDFBOX-4204) Problem when merging PDF 1.4 and PDF 1.1 Documents

["Christian Lauer (JIRA)" <ji...@apache.org>]

Christian Lauer created PDFBOX-4204:
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             Summary: Problem when merging PDF 1.4 and PDF 1.1 Documents
                 Key: PDFBOX-4204
                 URL: https://issues.apache.org/jira/browse/PDFBOX-4204
             Project: PDFBox
          Issue Type: Bug
          Components: Parsing
    Affects Versions: 2.0.9
            Reporter: Christian Lauer


Merging PDF 1.1 document with other Version (i.e. PDF 1.4) ends up with following exception: java.io.IOException: Unknown OpenAction COSInt\{26}.

Here's the referring stack trace
{code:java}
Alias: PBOX000029: Enter the username:  [guest] java.io.IOException: Unknown OpenAction COSInt{26}
    at org.apache.pdfbox.pdmodel.PDDocumentCatalog.getOpenAction(PDDocumentCatalog.java:279)
    at org.apache.pdfbox.multipdf.PDFMergerUtility.appendDocument(PDFMergerUtility.java:348)
    at org.apache.pdfbox.multipdf.PDFMergerUtility.mergeDocuments(PDFMergerUtility.java:263)
{code}
 

To fix this issue COSInteger should be handled in PDDocumentCatalog's getOpenAction method. Our tests showed that returning “null” results in correctly merged document.

Here is our suggestion for the fixed method:
{code:java}
public PDDestinationOrAction getOpenAction() throws IOException {
   COSBase openAction = this.root.getDictionaryObject(COSName.OPEN_ACTION);
   if (openAction == null) {
     return null;
   } else if (openAction instanceof COSBoolean) {
     if (!((COSBoolean) openAction).getValue()) {
       return null;
     } else {
       throw new IOException("Can't create OpenAction from COSBoolean");
     }
  } else if (openAction instanceof COSInteger) {
     return null;      
   } else if (openAction instanceof COSDictionary) {
     return PDActionFactory.createAction((COSDictionary)openAction);
   } else if (openAction instanceof COSArray) {
     return PDDestination.create(openAction);
   } else {
     throw new IOException("Unknown OpenAction " + openAction);
   }
}
{code}



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