private bool LoadStreamIntoDocumentElement(Stream dataStream)
{
Document = XDocument.Load(dataStream);
dataStream.Position = 0;
if (Document == null)
{
ErrorLog.AppendError(ImportErrorCode.InvalidDocument);
return(false);
}
var documentRoot = Document.Element(XmlConstants.Root);
if (documentRoot == null)
{
throw new Exception("can't import - document doesn't have a root element");
}
DocumentElements = documentRoot.Elements(XmlConstants.Entity).ToList();
if (!DocumentElements.Any())
{
ErrorLog.AppendError(ImportErrorCode.InvalidDocument);
return(false);
}
// Check the content type of the document (it can be found on each element in the Type attribute)
var documentTypeAttribute = DocumentElements.First().Attribute(XmlConstants.EntityTypeAttribute);
if (documentTypeAttribute?.Value == null ||
documentTypeAttribute.Value != ContentType.Name.RemoveSpecialCharacters())
{
ErrorLog.AppendError(ImportErrorCode.InvalidRoot);
return(false);
}
return(true);
}
