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From Suma Rani <sumasug...@gmail.com>
Subject Re: Fillin forms after signing
Date Wed, 27 May 2015 05:56:35 GMT
Sorry. When i do saveIncremental, the signature is valid but the form field
value is not changed. If I do save, the fiedvalue is correct, but the
signatures fail.

On Tue, May 26, 2015 at 6:09 PM, Maruan Sahyoun <sahyoun@fileaffairs.de>
wrote:

> Hi,
>
> > Am 26.05.2015 um 12:54 schrieb Suma Rani <sumasuga18@gmail.com>:
> >
> > Hello,
> >
> > I am trying to change a form after signing. The flow is like this:
> > 1. add a form to the existing document
> > 2. Fill some of the fields and sign it
> > 3. Change the above fields/ fill some other fields and sign it again.
> >
> > 1 and 2 are done. no problem with that. But the signature becomes invalid
> > when I do the 3rd.
>
> what do you mean by invalid. Is it that you get a warning sign in Adobe
> Reader or Acrobat? Or is it that the signature is corrupt ….
>
> BR
> Maruan
>
> > Both signatures are invisible and my first signature
> > allows form fill-in. NO problem when i edit it with adobe reader. This is
> > the code I am using for the part  3.
> >
> > PDSignature signature = new PDSignature();
> > signature.setFilter(PDSignature.FILTER_ADOBE_PPKLITE);
> > signature.setSubFilter(PDSignature.SUBFILTER_ADBE_PKCS7_DETACHED);
> > signature.setReason("Signing second time");
> > signature.setSignDate(Calendar.getInstance());
> >
> > PDAcroForm acroForm = doc.getDocumentCatalog().getAcroForm();
> > PDField field = acroForm.getField("field2");
> > COSString fieldValue = new COSString("FIELD2");
> > field.getDictionary().setItem(COSName.V, fieldValue);
> > doc.addSignature(signature, this);
> > doc.saveIncremental(fis, fos);// Of course, doc.save() wont work.
> > doc.close();
> >
> > In short, I would like to know how to add form fill-ins by
> saveincremental
> >
> > Thanks
>
>
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