iTextSharp.text.pdf.PdfDate.GetW3CDate C# (CSharp) Метод

        public String GetW3CDate()
        {
            return GetW3CDate(value);
        }

 protected internal virtual void Close(IDictionary<String, String> moreInfo)
 {
     if (closed)
         return;
     if (useVp) {
         SetViewerPreferences();
     }
     if (flat)
         FlatFields();
     if (flatFreeText)
         FlatFreeTextFields();
     AddFieldResources();
     PdfDictionary catalog = reader.Catalog;
     PdfDictionary acroForm = (PdfDictionary)PdfReader.GetPdfObject(catalog.Get(PdfName.ACROFORM), reader.Catalog);
     if (acroFields != null && acroFields.Xfa.Changed) {
         MarkUsed(acroForm);
         if (!flat)
             acroFields.Xfa.SetXfa(this);
     }
     if (sigFlags != 0) {
         if (acroForm != null) {
             acroForm.Put(PdfName.SIGFLAGS, new PdfNumber(sigFlags));
             MarkUsed(acroForm);
             MarkUsed(catalog);
         }
     }
     closed = true;
     AddSharedObjectsToBody();
     SetOutlines();
     SetJavaScript();
     AddFileAttachments();
     if (openAction != null) {
         catalog.Put(PdfName.OPENACTION, openAction);
     }
     if (pdf.pageLabels != null)
         catalog.Put(PdfName.PAGELABELS, pdf.pageLabels.GetDictionary(this));
     // OCG
     if (documentOCG.Count > 0) {
         FillOCProperties(false);
         PdfDictionary ocdict = catalog.GetAsDict(PdfName.OCPROPERTIES);
         if (ocdict == null) {
             reader.Catalog.Put(PdfName.OCPROPERTIES, OCProperties);
         }
         else {
             ocdict.Put(PdfName.OCGS, OCProperties.Get(PdfName.OCGS));
             PdfDictionary ddict = ocdict.GetAsDict(PdfName.D);
             if (ddict == null) {
                 ddict = new PdfDictionary();
                 ocdict.Put(PdfName.D, ddict);
             }
             ddict.Put(PdfName.ORDER, OCProperties.GetAsDict(PdfName.D).Get(PdfName.ORDER));
             ddict.Put(PdfName.RBGROUPS, OCProperties.GetAsDict(PdfName.D).Get(PdfName.RBGROUPS));
             ddict.Put(PdfName.OFF, OCProperties.GetAsDict(PdfName.D).Get(PdfName.OFF));
             ddict.Put(PdfName.AS, OCProperties.GetAsDict(PdfName.D).Get(PdfName.AS));
         }
     }
     // metadata
     int skipInfo = -1;
     PdfObject oInfo = reader.Trailer.Get(PdfName.INFO);
     PRIndirectReference iInfo = null;
     PdfDictionary oldInfo = null;
     if (oInfo is PRIndirectReference)
         iInfo = (PRIndirectReference)oInfo;
     if (iInfo != null)
         oldInfo = (PdfDictionary)PdfReader.GetPdfObject(iInfo);
     else if (oInfo is PdfDictionary)
         oldInfo = (PdfDictionary)oInfo;
     String producer = null;
     if (iInfo != null)
         skipInfo = iInfo.Number;
     if (oldInfo != null && oldInfo.Get(PdfName.PRODUCER) != null)
         producer = oldInfo.GetAsString(PdfName.PRODUCER).ToUnicodeString();
     Version version = Version.GetInstance();
     if (producer == null) {
         producer = version.GetVersion;
     }
     else if (producer.IndexOf(version.Product) == -1) {
         StringBuilder buf = new StringBuilder(producer);
         buf.Append("; modified using ");
         buf.Append(version.GetVersion);
         producer = buf.ToString();
     }
     PdfIndirectReference info = null;
     PdfDictionary newInfo = new PdfDictionary();
     if (oldInfo != null) {
         foreach (PdfName key in oldInfo.Keys) {
             PdfObject value = PdfReader.GetPdfObject(oldInfo.Get(key));
             newInfo.Put(key, value);
         }
     }
     if (moreInfo != null) {
         foreach (KeyValuePair<string,string> entry in moreInfo) {
             PdfName keyName = new PdfName(entry.Key);
             String value = entry.Value;
             if (value == null)
                 newInfo.Remove(keyName);
             else
                 newInfo.Put(keyName, new PdfString(value, PdfObject.TEXT_UNICODE));
         }
     }
     PdfDate date = new PdfDate();
     newInfo.Put(PdfName.MODDATE, date);
     newInfo.Put(PdfName.PRODUCER, new PdfString(producer, PdfObject.TEXT_UNICODE));
     if (append) {
         if (iInfo == null)
             info = AddToBody(newInfo, false).IndirectReference;
         else
             info = AddToBody(newInfo, iInfo.Number, false).IndirectReference;
     }
     else {
         info = AddToBody(newInfo, false).IndirectReference;
     }
     // XMP
     byte[] altMetadata = null;
     PdfObject xmpo = PdfReader.GetPdfObject(catalog.Get(PdfName.METADATA));
     if (xmpo != null && xmpo.IsStream()) {
         altMetadata = PdfReader.GetStreamBytesRaw((PRStream)xmpo);
         PdfReader.KillIndirect(catalog.Get(PdfName.METADATA));
     }
     if (xmpMetadata != null) {
         altMetadata = xmpMetadata;
     }
     if (altMetadata != null) {
         PdfStream xmp;
         try {
             XmpReader xmpr;
             if (moreInfo == null || xmpMetadata != null) {
                 xmpr = new XmpReader(altMetadata);
                 if (!(xmpr.ReplaceNode("http://ns.adobe.com/pdf/1.3/", "Producer", producer)
                     || xmpr.ReplaceDescriptionAttribute("http://ns.adobe.com/pdf/1.3/", "Producer", producer)))
                     xmpr.Add("rdf:Description", "http://ns.adobe.com/pdf/1.3/", "Producer", producer);
                 if (!(xmpr.ReplaceNode("http://ns.adobe.com/xap/1.0/", "ModifyDate", date.GetW3CDate())
                     || xmpr.ReplaceDescriptionAttribute("http://ns.adobe.com/xap/1.0/", "ModifyDate", date.GetW3CDate())))
                     xmpr.Add("rdf:Description", "http://ns.adobe.com/xap/1.0/", "ModifyDate", date.GetW3CDate());
                 if (!(xmpr.ReplaceNode("http://ns.adobe.com/xap/1.0/", "MetadataDate", date.GetW3CDate())
                         || xmpr.ReplaceDescriptionAttribute("http://ns.adobe.com/xap/1.0/", "MetadataDate", date.GetW3CDate()))) {
                 }
             }
             else {
                 MemoryStream baos = new MemoryStream();
                 try {
                     XmpWriter xmpw = new XmpWriter(baos, newInfo, PDFXConformance);
                     xmpw.Close();
                 }
                 catch (IOException) {
                 }
                 xmpr = new XmpReader(baos.ToArray());
             }
             xmp = new PdfStream(xmpr.SerializeDoc());
         }
         catch {
             xmp = new PdfStream(altMetadata);
         }
         xmp.Put(PdfName.TYPE, PdfName.METADATA);
         xmp.Put(PdfName.SUBTYPE, PdfName.XML);
         if (crypto != null && !crypto.IsMetadataEncrypted()) {
             PdfArray ar = new PdfArray();
             ar.Add(PdfName.CRYPT);
             xmp.Put(PdfName.FILTER, ar);
         }
         if (append && xmpo != null) {
             body.Add(xmp, xmpo.IndRef);
         }
         else {
             catalog.Put(PdfName.METADATA, body.Add(xmp).IndirectReference);
             MarkUsed(catalog);
         }
     }
     Close(info, skipInfo);
 }