public void CreateCDAPackage()
{
// ------------------------------------------------------------------------------
// Set up signing certificate and identifiers
// ------------------------------------------------------------------------------
// Load certificate used to sign the CDA document
X509Certificate2 signingCert = X509CertificateUtil.GetCertificate(
"Signing Certificate Find Value",
X509FindType.FindBySubjectName,
StoreName.My,
StoreLocation.CurrentUser,
true);
// ------------------------------------------------------------------------------
// Create CDAPackage
// ------------------------------------------------------------------------------
// Create an approver
var approver = new Approver()
{
PersonId = new Uri("http://ns.electronichealth.net.au/id/hi/hpii/1.0/8003610000000000"),
PersonFamilyName = "Jacobs",
PersonGivenNames = new List <string> {
"Adam", "Barry"
},
PersonNameSuffixes = new List <string> {
"MD", "JR"
},
PersonTitles = new List <string> {
"MR", "DR"
}
};
// Create a CDAPackage instance
var package = new CDAPackage(approver);
// Create the CDA root document for the CDA package
package.CreateRootDocument(File.ReadAllBytes("CdaDocumentXmlFile.xml"));
// Add an image attachment
package.AddDocumentAttachment(
"ImageAttachment1.jpg",
File.ReadAllBytes("ImageAttachment1.jpg")
);
// Add another image attachment
package.AddDocumentAttachment(
"ImageAttachment2.png",
File.ReadAllBytes("ImageAttachment2.png")
);
// Create the CDA package zip
CDAPackageUtility.CreateZip(package, "CdaPackageOutputFilePath.zip", signingCert);
}
/// <summary>
/// Extract the package data.
/// </summary>
/// <param name="cdaPackageData"></param>
/// <returns></returns>
public CdaPackageData ExtractPackageData(byte[] cdaPackageData)
{
// NOTE will throw a validation exception if the signature is not valid
CDAPackage cdaPackage = CDAPackageUtility.Extract(cdaPackageData, certificate =>
{
// NO-OP assume the certificate is valid
});
// Load the document
XmlDocument cdaDocument = GetCdaDocumentFromPackage(cdaPackage);
// Extract the package data
return(ExtractPackageData(cdaDocument));
}
private static XmlDocument GetCdaDocumentFromPackage(CDAPackage cdaPackage)
{
CDAPackageFile cdaDocumentFile = cdaPackage.CDADocumentRoot;
XmlDocument cdaDocument = new XmlDocument();
using (var memoryStream = new MemoryStream(cdaDocumentFile.FileContent)
{
Position = 0
})
{
cdaDocument.Load(memoryStream);
}
return(cdaDocument);
}
