iTextSharp.text.pdf.PdfReader.GetJavaScript C# (CSharp) Метод

        public String GetJavaScript(RandomAccessFileOrArray file) {
            PdfDictionary names = (PdfDictionary)GetPdfObjectRelease(catalog.Get(PdfName.NAMES));
            if (names == null)
                return null;
            PdfDictionary js = (PdfDictionary)GetPdfObjectRelease(names.Get(PdfName.JAVASCRIPT));
            if (js == null)
                return null;
            Hashtable jscript = PdfNameTree.ReadTree(js);
            String[] sortedNames = new String[jscript.Count];
            jscript.Keys.CopyTo(sortedNames, 0);
            Array.Sort(sortedNames);
            StringBuilder buf = new StringBuilder();
            for (int k = 0; k < sortedNames.Length; ++k) {
                PdfDictionary j = (PdfDictionary)GetPdfObjectRelease((PdfIndirectReference)jscript[sortedNames[k]]);
                if (j == null)
                    continue;
                PdfObject obj = GetPdfObjectRelease(j.Get(PdfName.JS));
                if (obj != null) {
                    if (obj.IsString())
                        buf.Append(((PdfString)obj).ToUnicodeString()).Append('\n');
                    else if (obj.IsStream()) {
                        byte[] bytes = GetStreamBytes((PRStream)obj, file);
                        if (bytes.Length >= 2 && bytes[0] == (byte)254 && bytes[1] == (byte)255)
                            buf.Append(PdfEncodings.ConvertToString(bytes, PdfObject.TEXT_UNICODE));
                        else
                            buf.Append(PdfEncodings.ConvertToString(bytes, PdfObject.TEXT_PDFDOCENCODING));
                        buf.Append('\n');    
                    }
                }
            }
            return buf.ToString();
        }