/// <summary>
/// This method updates the the xmp metadata of a given pdf file.
/// </summary>
/// <param name="sourceFilename">Name of the pdf source file.</param>
/// <param name="destinationFilename">Name of the pdf destination file.</param>
private ActionResult UpdateXMPMetadata(string sourceFilename, string destinationFilename)
{
var ms = new PDFMetadataStrings("", "", "", "", "", "", "", "");
var reader = new PdfReader(sourceFilename);
var doc = new XmlDocument();
string xmlMetadataString = Encoding.UTF8.GetString(reader.Metadata);
doc.LoadXml(xmlMetadataString);
string pdfa = "";
if (xmlMetadataString.IndexOf("pdfaid:part='1'", StringComparison.InvariantCultureIgnoreCase) >= 0)
{
pdfa = "<pdfaid:part>1</pdfaid:part>\n";
}
else if (xmlMetadataString.IndexOf("pdfaid:part='2'", StringComparison.InvariantCultureIgnoreCase) >= 0)
{
pdfa = "<pdfaid:part>2</pdfaid:part>\n";
}
string pdfaConformance = "";
if (xmlMetadataString.IndexOf("pdfaid:conformance='A'", StringComparison.InvariantCultureIgnoreCase) >= 0)
{
pdfaConformance = "<pdfaid:conformance>A</pdfaid:conformance>\n";
}
else if (xmlMetadataString.IndexOf("pdfaid:conformance='B'", StringComparison.InvariantCultureIgnoreCase) >= 0)
{
pdfaConformance = "<pdfaid:conformance>B</pdfaid:conformance>\n";
}
var documentIDs = (PdfArray)(reader.Trailer.Get(PdfName.ID));
string sDocumentID = GetHEXString(GetRandomString(16));
if (documentIDs != null)
{
var o = (PdfObject)documentIDs.ArrayList[0];
string s = "";
s = o.ToString();
if (s.Length > 0)
{
sDocumentID = GetHEXString(s);
}
}
string xmlAuthor = "";
if (reader.Info.ContainsKey("Author"))
{
ms.Author = reader.Info["Author"];
xmlAuthor = " <dc:creator>\n" +
" <rdf:Seq>\n" +
" <rdf:li>" + ms.Author + "</rdf:li>\n" +
" </rdf:Seq>\n" +
" </dc:creator>\n";
}
if (reader.Info.ContainsKey("CreationDate"))
{
ms.CreationDate = reader.Info["CreationDate"];
}
if (reader.Info.ContainsKey("Creator"))
{
ms.Creator = reader.Info["Creator"].ToString();
}
string xmlKeywords = "", xmlKeywords2 = "";
if (reader.Info.ContainsKey("Keywords"))
{
ms.Keywords = reader.Info["Keywords"].ToString();
xmlKeywords = " <dc:subject>\n" +
" <rdf:Bag>\n" +
" <rdf:li>" + ms.Keywords + "</rdf:li>\n" +
" </rdf:Bag>\n" +
" </dc:subject>\n";
xmlKeywords2 = " <pdf:Keywords>" + ms.Keywords + "</pdf:Keywords>\n";
}
if (reader.Info.ContainsKey("ModDate"))
{
ms.ModDate = reader.Info["ModDate"].ToString();
}
if (reader.Info.ContainsKey("Producer"))
{
ms.Producer = reader.Info["Producer"].ToString();
}
string xmlSubject = "";
if (reader.Info.ContainsKey("Subject"))
{
ms.Subject = reader.Info["Subject"].ToString();
xmlSubject = " <dc:description>\n" +
" <rdf:Alt>\n" +
" <rdf:li xml:lang='x-default'>" + ms.Subject + "</rdf:li>\n" +
" </rdf:Alt>\n" +
" </dc:description>\n";
}
string xmlTitle = "";
if (reader.Info.ContainsKey("Title"))
{
ms.Title = reader.Info["Title"].ToString();
xmlTitle = " <dc:title>\n" +
" <rdf:Alt>\n" +
" <rdf:li xml:lang='x-default'>" + ms.Title + "</rdf:li>\n" +
" </rdf:Alt>\n" +
" </dc:title>\n";
}
string metadataStr = "";
metadataStr =
"<?xpacket begin='' id='W5M0MpCehiHzreSzNTczkc9d'?>\n" +
" <x:xmpmeta xmlns:x='adobe:ns:meta/' x:xmptk='Adobe XMP Core 4.2.1-c041 52.342996, 2008/05/07-20:48:00'>\n" +
" <rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'>\n" +
" <rdf:Description rdf:about='' xmlns:pdfaid='http://www.aiim.org/pdfa/ns/id/'>\n" +
pdfa +
pdfaConformance +
" </rdf:Description>\n" +
" <rdf:Description rdf:about=''\n" +
" xmlns:xmp='http://ns.adobe.com/xap/1.0/'>\n" +
" <xmp:CreateDate>" + GetXMPDate(ms.CreationDate) + "</xmp:CreateDate>\n" +
" <xmp:ModifyDate>" + GetXMPDate(ms.ModDate) + "</xmp:ModifyDate>\n" +
" <xmp:CreatorTool>" + ms.Creator + "</xmp:CreatorTool>\n" +
" </rdf:Description>\n" +
" <rdf:Description rdf:about=''\n" +
" xmlns:dc='http://purl.org/dc/elements/1.1/'>\n" +
" <dc:format>application/pdf</dc:format>\n" + xmlTitle + xmlSubject + xmlAuthor + xmlKeywords +
" </rdf:Description>\n" +
" <rdf:Description rdf:about=''\n" +
" xmlns:xmpMM='http://ns.adobe.com/xap/1.0/mm/'\n" +
" xmlns:stEvt='http://ns.adobe.com/xap/1.0/sType/ResourceEvent#'>\n" +
" <xmpMM:DocumentID>uuid:" + sDocumentID + "</xmpMM:DocumentID>\n" +
" <xmpMM:History><rdf:Seq><rdf:li rdf:parseType='Resource'></rdf:li></rdf:Seq></xmpMM:History>\n" +
" </rdf:Description>\n" +
" <rdf:Description rdf:about=''\n" +
" xmlns:pdf='http://ns.adobe.com/pdf/1.3/'>\n" +
" <pdf:Producer>" + ms.Producer + "</pdf:Producer>\n" +
xmlKeywords2 +
" </rdf:Description>\n" +
" </rdf:RDF>\n" +
" </x:xmpmeta>\n" +
"<?xpacket end='w'?>";
Encoding textEncoding = Encoding.GetEncoding("iso-8859-1");
byte[] newMetadata = Encoding.Convert(Encoding.Default, Encoding.UTF8, textEncoding.GetBytes(metadataStr));
var os = new FileStream(destinationFilename, FileMode.Create);
var stamper = new PdfStamper(reader, os);
stamper.Writer.XmpMetadata = newMetadata;
stamper.Close();
os.Close();
return(new ActionResult()); ////////////////////////////////////////////////////////////////////////////////////////////////
}
private void DoUpdateXmpMetadata(PdfStamper stamper, ConversionProfile profile)
{
if ((profile.OutputFormat != OutputFormat.PdfA1B) &&
(profile.OutputFormat != OutputFormat.PdfA2B))
{
return;
}
Logger.Debug("Start updateing XMP Metadata for PDF/A");
var ms = new PDFMetadataStrings("", "", "", "", "", "", "", "");
//var reader = new PdfReader(sourceFilename);
var reader = stamper.Reader;
var doc = new XmlDocument();
var xmlMetadataString = Encoding.UTF8.GetString(reader.Metadata);
doc.LoadXml(xmlMetadataString);
var pdfa = "";
if (xmlMetadataString.IndexOf("pdfaid:part='1'", StringComparison.InvariantCultureIgnoreCase) >= 0)
{
pdfa = "<pdfaid:part>1</pdfaid:part>\n";
}
else if (xmlMetadataString.IndexOf("pdfaid:part='2'", StringComparison.InvariantCultureIgnoreCase) >= 0)
{
pdfa = "<pdfaid:part>2</pdfaid:part>\n";
}
var pdfaConformance = "";
if (xmlMetadataString.IndexOf("pdfaid:conformance='A'", StringComparison.InvariantCultureIgnoreCase) >= 0)
{
pdfaConformance = "<pdfaid:conformance>A</pdfaid:conformance>\n";
}
else if (xmlMetadataString.IndexOf("pdfaid:conformance='B'", StringComparison.InvariantCultureIgnoreCase) >= 0)
{
pdfaConformance = "<pdfaid:conformance>B</pdfaid:conformance>\n";
}
var documentIDs = (PdfArray)reader.Trailer.Get(PdfName.ID);
var sDocumentId = GetHexString(GetRandomString(16));
if (documentIDs != null)
{
var o = documentIDs.ArrayList[0];
var s = o.ToString();
if (s.Length > 0)
{
sDocumentId = GetHexString(s);
}
}
var xmlAuthor = "";
if (reader.Info.ContainsKey("Author"))
{
ms.Author = reader.Info["Author"];
xmlAuthor = " <dc:creator>\n" +
" <rdf:Seq>\n" +
" <rdf:li>" + ms.Author + "</rdf:li>\n" +
" </rdf:Seq>\n" +
" </dc:creator>\n";
}
if (reader.Info.ContainsKey("CreationDate"))
{
ms.CreationDate = reader.Info["CreationDate"];
}
if (reader.Info.ContainsKey("Creator"))
{
ms.Creator = reader.Info["Creator"];
}
string /*xmlKeywords = "",*/ xmlKeywords2 = "";
if (reader.Info.ContainsKey("Keywords"))
{
ms.Keywords = reader.Info["Keywords"];
/*
* xmlKeywords = " <dc:subject>\n" +
* " <rdf:Bag>\n" +
* " <rdf:li>" + ms.Keywords + "</rdf:li>\n" +
* " </rdf:Bag>\n" +
* " </dc:subject>\n";
*/
xmlKeywords2 = " <pdf:Keywords>" + ms.Keywords + "</pdf:Keywords>\n";
}
if (reader.Info.ContainsKey("ModDate"))
{
ms.ModDate = reader.Info["ModDate"];
}
if (reader.Info.ContainsKey("Producer"))
{
ms.Producer = reader.Info["Producer"];
}
var xmlSubject = "";
if (reader.Info.ContainsKey("Subject"))
{
ms.Subject = reader.Info["Subject"];
xmlSubject = " <dc:description>\n" +
" <rdf:Alt>\n" +
" <rdf:li xml:lang='x-default'>" + ms.Subject + "</rdf:li>\n" +
" </rdf:Alt>\n" +
" </dc:description>\n";
}
var xmlTitle = "";
if (reader.Info.ContainsKey("Title"))
{
ms.Title = reader.Info["Title"];
xmlTitle = " <dc:title>\n" +
" <rdf:Alt>\n" +
" <rdf:li xml:lang='x-default'>" + ms.Title + "</rdf:li>\n" +
" </rdf:Alt>\n" +
" </dc:title>\n";
}
var conformance = GetPdfAConformance(profile.OutputFormat);
var metadataStr = "<?xpacket begin='' id='W5M0MpCehiHzreSzNTczkc9d'?>\n" +
" <x:xmpmeta xmlns:x='adobe:ns:meta/' x:xmptk='Adobe XMP Core 4.2.1-c041 52.342996, 2008/05/07-20:48:00'>\n" +
" <rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'>\n" +
" <rdf:Description rdf:about='' xmlns:pdfaid='http://www.aiim.org/pdfa/ns/id/' pdfaid:part='" + conformance.Item1 + "' pdfaid:conformance='" + conformance.Item2 + "'>\n" +
pdfa +
pdfaConformance +
" </rdf:Description>\n" +
" <rdf:Description rdf:about=''\n" +
" xmlns:xmp='http://ns.adobe.com/xap/1.0/'>\n" +
" <xmp:CreateDate>" + GetXmpDate(ms.CreationDate) + "</xmp:CreateDate>\n" +
" <xmp:ModifyDate>" + GetXmpDate(ms.ModDate) + "</xmp:ModifyDate>\n" +
" <xmp:CreatorTool>" + ms.Creator + "</xmp:CreatorTool>\n" +
" </rdf:Description>\n" +
" <rdf:Description rdf:about=''\n" +
" xmlns:dc='http://purl.org/dc/elements/1.1/'>\n" +
" <dc:format>application/pdf</dc:format>\n" + xmlTitle + xmlSubject + xmlAuthor + //xmlKeywords +
" </rdf:Description>\n" +
" <rdf:Description rdf:about=''\n" +
" xmlns:xmpMM='http://ns.adobe.com/xap/1.0/mm/'\n" +
" xmlns:stEvt='http://ns.adobe.com/xap/1.0/sType/ResourceEvent#'>\n" +
" <xmpMM:DocumentID>uuid:" + sDocumentId + "</xmpMM:DocumentID>\n" +
" <xmpMM:History><rdf:Seq><rdf:li rdf:parseType='Resource'></rdf:li></rdf:Seq></xmpMM:History>\n" +
" </rdf:Description>\n" +
" <rdf:Description rdf:about=''\n" +
" xmlns:pdf='http://ns.adobe.com/pdf/1.3/'>\n" +
" <pdf:Producer>" + ms.Producer + "</pdf:Producer>\n" +
xmlKeywords2 +
" </rdf:Description>\n" +
" </rdf:RDF>\n" +
" </x:xmpmeta>\n" +
"<?xpacket end='w'?>";
var textEncoding = Encoding.GetEncoding("iso-8859-1");
var newMetadata = Encoding.Convert(Encoding.Default, Encoding.UTF8, textEncoding.GetBytes(metadataStr));
stamper.Writer.XmpMetadata = newMetadata;
}
private void DoUpdateXmpMetadata(PdfDocument pdfDocument, ConversionProfile profile, Job job)
{
var conformance = GetPdfAConformance(profile.OutputFormat);
var xmlAuthor = "";
var xmlKeywords = "";
var xmlKeywords2 = "";
var xmlSubject = "";
var xmlTitle = "";
Logger.Debug("Start updateing XMP Metadata for PDF/A");
var ms = new PDFMetadataStrings("", "", "", "", "", "", "", "");
var documentIDs = pdfDocument.GetOriginalDocumentId();
string sDocumentId = GetHexString(GetRandomString(16));
if (documentIDs != null)
{
var o = documentIDs;
string s = o.ToString();
if (s.Length > 0)
{
sDocumentId = GetHexString(s);
}
}
if (!string.IsNullOrEmpty(job.JobInfo.Metadata.Author))
{
ms.Author = job.JobInfo.Metadata.Author;
xmlAuthor = " <dc:creator>\n" +
" <rdf:Seq>\n" +
" <rdf:li>" + ms.Author + "</rdf:li>\n" +
" </rdf:Seq>\n" +
" </dc:creator>\n";
}
if (pdfDocument.GetDocumentInfo().GetMoreInfo("CreationDate") != null)
{
ms.CreationDate = pdfDocument.GetDocumentInfo().GetMoreInfo("CreationDate");
}
if (!string.IsNullOrEmpty(job.Producer))
{
ms.Creator = job.Producer;
ms.Producer = job.Producer;
}
if (!string.IsNullOrEmpty(job.JobInfo.Metadata.Keywords))
{
ms.Keywords = job.JobInfo.Metadata.Keywords;
xmlKeywords = " <dc:subject>\n" +
" <rdf:Bag>\n" +
" <rdf:li>" + ms.Keywords + "</rdf:li>\n" +
" </rdf:Bag>\n" +
" </dc:subject>\n";
xmlKeywords2 = " <pdf:Keywords>" + ms.Keywords + "</pdf:Keywords>\n";
}
if (pdfDocument.GetDocumentInfo().GetMoreInfo("ModDate") != null)
{
ms.ModDate = pdfDocument.GetDocumentInfo().GetMoreInfo("ModDate");
}
if (!string.IsNullOrEmpty(job.JobInfo.Metadata.Subject))
{
ms.Subject = job.JobInfo.Metadata.Subject;
xmlSubject = " <dc:description>\n" +
" <rdf:Alt>\n" +
" <rdf:li xml:lang='x-default'>" + ms.Subject + "</rdf:li>\n" +
" </rdf:Alt>\n" +
" </dc:description>\n";
}
if (!string.IsNullOrEmpty(job.JobInfo.Metadata.Title))
{
ms.Title = job.JobInfo.Metadata.Title;
xmlTitle = " <dc:title>\n" +
" <rdf:Alt>\n" +
" <rdf:li xml:lang='x-default'>" + ms.Title + "</rdf:li>\n" +
" </rdf:Alt>\n" +
" </dc:title>\n";
}
string metadataStr = "<?xpacket begin='' id='W5M0MpCehiHzreSzNTczkc9d'?>\n" +
" <x:xmpmeta xmlns:x='adobe:ns:meta/' x:xmptk='Adobe XMP Core 4.2.1-c041 52.342996, 2008/05/07-20:48:00'>\n" +
" <rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'>\n" +
" <rdf:Description rdf:about='' xmlns:pdfaid='http://www.aiim.org/pdfa/ns/id/' pdfaid:part='" + conformance.Item1 + "' pdfaid:conformance='" + conformance.Item2 + "'>\n" +
" </rdf:Description>\n" +
" <rdf:Description rdf:about=''\n" +
" xmlns:xmp='http://ns.adobe.com/xap/1.0/'>\n" +
" <xmp:CreateDate>" + GetXmpDate(ms.CreationDate) + "</xmp:CreateDate>\n" +
" <xmp:ModifyDate>" + GetXmpDate(ms.ModDate) + "</xmp:ModifyDate>\n" +
" <xmp:CreatorTool>" + ms.Creator + "</xmp:CreatorTool>\n" +
" </rdf:Description>\n" +
" <rdf:Description rdf:about=''\n" +
" xmlns:dc='http://purl.org/dc/elements/1.1/'>\n" +
" <dc:format>application/pdf</dc:format>\n" + xmlTitle + xmlSubject + xmlAuthor + xmlKeywords +
" </rdf:Description>\n" +
" <rdf:Description rdf:about=''\n" +
" xmlns:xmpMM='http://ns.adobe.com/xap/1.0/mm/'\n" +
" xmlns:stEvt='http://ns.adobe.com/xap/1.0/sType/ResourceEvent#'>\n" +
" <xmpMM:DocumentID>uuid:" + sDocumentId + "</xmpMM:DocumentID>\n" +
" <xmpMM:History><rdf:Seq><rdf:li rdf:parseType='Resource'></rdf:li></rdf:Seq></xmpMM:History>\n" +
" </rdf:Description>\n" +
" <rdf:Description rdf:about=''\n" +
" xmlns:pdf='http://ns.adobe.com/pdf/1.3/'>\n" +
" <pdf:Producer>" + ms.Producer + "</pdf:Producer>\n" +
xmlKeywords2 +
" </rdf:Description>\n" +
" </rdf:RDF>\n" +
" </x:xmpmeta>\n" +
"<?xpacket end='w'?>";
pdfDocument.SetXmpMetadata(new XMPMetaImpl(new XMPNode("XMP", metadataStr, new PropertyOptions())));
}
