public void importFDF( PDDocument pdfDocument, FDFDocument fdfDocument ) throws IOException
{
PDDocumentCatalog docCatalog = pdfDocument.getDocumentCatalog();
PDAcroForm acroForm = docCatalog.getAcroForm();
acroForm.setCacheFields( true );
acroForm.importFDF( fdfDocument );
}
/**
* This will import an fdf document and write out another pdf.
* <br />