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Posted to dev@pdfbox.apache.org by "Huynh (JIRA)" <ji...@apache.org> on 2014/10/31 14:57:33 UTC
[jira] [Created] (PDFBOX-2470) Exception in
PDDocument.addSignature(PDSignature sigObject, SignatureInterface
signatureInterface, SignatureOptions options))
Huynh created PDFBOX-2470:
-----------------------------
Summary: Exception in PDDocument.addSignature(PDSignature sigObject, SignatureInterface signatureInterface, SignatureOptions options))
Key: PDFBOX-2470
URL: https://issues.apache.org/jira/browse/PDFBOX-2470
Project: PDFBox
Issue Type: Bug
Components: PDModel
Affects Versions: 1.8.7
Reporter: Huynh
Hi
I have made the following modifications to avoid ClassCastException or NullPointerException in addSignature(PDSignature sigObject, SignatureInterface signatureInterface, SignatureOptions options) :
// Appearance Dictionary auslesen und setzen
// MOD_CS
// PDAppearanceDictionary ap =
// new PDAppearanceDictionary((COSDictionary)cosBaseDict.getItem(COSName.AP));
// ap.getDictionary().setDirect(true);
// signatureField.getWidget().setAppearance(ap);
COSBase item = cosBaseDict.getItem(COSName.AP);
if (item instanceof COSObject) {
item = ((COSObject) item).getObject();
}
if (item instanceof COSDictionary) {
PDAppearanceDictionary ap = new PDAppearanceDictionary((COSDictionary) item);
ap.getDictionary().setDirect(true);
signatureField.getWidget().setAppearance(ap);
}
// AcroForm DefaultRessource auslesen und setzen
COSBase dr = cosBaseDict.getItem(COSName.DR);
// MOD_CS
if (dr != null) {
dr.setDirect(true);
dr.setNeedToBeUpdate(true);
acroFormDict.setItem(COSName.DR, dr);
}
Regards
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