Hi,
When i want to write document-actions into a PDF, I do something like this:
|PdfAction action = PdfAction.javaScript("app.alert(\"I'm
here!\");\r",writer); |
|writer.setAdditionalAction(PdfName.WP,action);
|
What I can't figure out is the best way to open & read a PDF file and
get its document-actions. I'm looking for something like
getAdditionalAction(). I read section 8.5 of the PDF Reference and it
said I need to get ahold of the Document Catalog's additional-actions
(AA) dictionary and then look for any entries therein (DC, WS, DS, WP,
and DP). I did something like this, but it seems clunky. Is there a
better way?
|PdfReader reader = new PdfReader(infile);
PdfDictionary aa =
(PdfDictionary)PdfReader.GetPdfObjectRelease(reader.Catalog.Get(PdfName.AA));
foreach( PdfName key in aa.Keys)
{
if (key.ToString() == PdfName.DC.ToString())
OutputMessage("Document Close action:",false);
else if (key.ToString() == PdfName.WS.ToString())
OutputMessage("Will Save action:",false);
else if (key.ToString() == PdfName.DS.ToString())
OutputMessage("Done Saving action:",false);
else if (key.ToString() == PdfName.WP.ToString())
OutputMessage("Will Print action:",false);
else if (key.ToString() == PdfName.DP.ToString())
OutputMessage("Done Printing action:",false);
iTextSharp.text.pdf.PdfObject huh = aa.Get(key);
PdfDictionary action =
(PdfDictionary)PdfReader.GetPdfObjectRelease(aa.Get(key));
foreach( PdfName key2 in action.Keys)
{
if (key2.ToString()==PdfName.JS.ToString())
{
PdfObject val2 = action.Get(key2);
OutputMessage(val2.ToString(),false);
}
}
}
|
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