Merging Tagged PDF without ruining the tags

Question

I am trying to merge two Tagged PDF\'s with the iTextPDF 5.4.4 version jar. After doing all the operations while closing the document on the line: document.close();): . It thro

Answer 1

The Code was written in C#

  public static byte[] mergeTest(byte[] pdf) {
        PdfReader reader = null;
        Document doc = null;
        PdfCopy copy = null;
        MemoryStream stream = new MemoryStream();
        byte[] output = null;

        try {
            reader = new PdfReader(pdf);
            doc = new Document();

            copy = new PdfCopy(doc, stream);
            bool tagged = reader.IsTagged();

            if (tagged)
                copy.SetTagged();


            doc.Open();

            for (int x = 1; x <= reader.NumberOfPages; x++) {
                copy.AddPage(copy.GetImportedPage(reader, x, tagged));
            }

            copy.FreeReader(reader);
            doc.Close();
            copy.Close();

            output = stream.ToArray();

            stream.Flush();
            stream.Dispose();

        } catch (Exception ex) {

        } finally {
            try {
                if (reader != null)
                    reader.Close();
            } catch (Exception) { }
        }
        return output;
    }