/// <summary>Sets the XFA key from a byte array.</summary>
/// <remarks>Sets the XFA key from a byte array. The old XFA is erased.</remarks>
/// <param name="form">the data</param>
/// <param name="acroForm">an AcroForm instance</param>
/// <exception cref="System.IO.IOException">on IO error</exception>
public static void SetXfaForm(iText.Forms.Xfa.XfaForm form, PdfAcroForm acroForm)
{
if (form == null || acroForm == null || acroForm.GetPdfDocument() == null)
{
throw new ArgumentException("XfaForm, PdfAcroForm and PdfAcroForm's document shall not be null");
}
PdfDocument document = acroForm.GetPdfDocument();
PdfObject xfa = GetXfaObject(acroForm);
if (xfa != null && xfa.IsArray())
{
PdfArray ar = (PdfArray)xfa;
int t = -1;
int d = -1;
for (int k = 0; k < ar.Size(); k += 2)
{
PdfString s = ar.GetAsString(k);
if ("template".Equals(s.ToString()))
{
t = k + 1;
}
if ("datasets".Equals(s.ToString()))
{
d = k + 1;
}
}
if (t > -1 && d > -1)
{
//reader.killXref(ar.getAsIndirectObject(t));
//reader.killXref(ar.getAsIndirectObject(d));
PdfStream tStream = new PdfStream(SerializeDocument(form.templateNode));
tStream.SetCompressionLevel(document.GetWriter().GetCompressionLevel());
ar.Set(t, tStream);
PdfStream dStream = new PdfStream(SerializeDocument(form.datasetsNode));
dStream.SetCompressionLevel(document.GetWriter().GetCompressionLevel());
ar.Set(d, dStream);
ar.SetModified();
ar.Flush();
acroForm.Put(PdfName.XFA, new PdfArray(ar));
acroForm.SetModified();
if (!acroForm.GetPdfObject().IsIndirect())
{
document.GetCatalog().SetModified();
}
return;
}
}
//reader.killXref(af.get(PdfName.XFA));
PdfStream stream = new PdfStream(SerializeDocument(form.domDocument));
stream.SetCompressionLevel(document.GetWriter().GetCompressionLevel());
stream.Flush();
acroForm.Put(PdfName.XFA, stream);
acroForm.SetModified();
if (!acroForm.GetPdfObject().IsIndirect())
{
document.GetCatalog().SetModified();
}
}