internal static PresentationContextRequest FromItem(PresentationContextRequestItem item)
{
var presentationContextRequest = new PresentationContextRequest
{
PresentationContextID = item.PresentationContextID
};
foreach (var subItem in item.SubItems)
{
if (subItem is AbstractSyntaxSubItem abstractSyntaxSubItem)
{
presentationContextRequest.AbstractSyntaxName = abstractSyntaxSubItem.AbstractSyntaxName;
}
else if (subItem is TransferSyntaxSubItem transferSyntaxSubItem)
{
presentationContextRequest.TransferSyntaxNames.Add(transferSyntaxSubItem.TransferSyntaxName);
}
}
return(presentationContextRequest);
}
internal static AssociationRequest FromPDU(AssociateRequestPDU pdu)
{
var associationRequest = new AssociationRequest
{
CalledAETitle = NetUtils.ReadAsciiStringFrom(pdu.CalledAETitle),
CallingAETitle = NetUtils.ReadAsciiStringFrom(pdu.CallingAETitle)
};
foreach (var item in pdu.Items)
{
if (item is ApplicationContextItem applicationContextItem)
{
var applicationContextName = Encoding.ASCII.GetString(applicationContextItem.ApplicationContextName);
if (applicationContextName != NetUtils.DicomApplicationContextName)
{
throw new NotSupportedException($"Unsupported application context name '{applicationContextName}'");
}
}
else if (item is PresentationContextRequestItem presentationContextItem)
{
associationRequest.PresentationContextRequests.Add(PresentationContextRequest.FromItem(presentationContextItem));
}
else if (item is UserInformationItem userInformationItem)
{
foreach (var subItem in userInformationItem.SubItems)
{
if (subItem is MaximumLengthSubItem maximumLengthSubItem)
{
associationRequest.MaxDataTransferPDULength = maximumLengthSubItem.MaximumLength;
}
}
}
}
return(associationRequest);
}