private static DocumentsCollection Load(Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
XDocument xDoc = null;
try
{
xDoc = XDocument.Load(stream);
}
catch (Exception e)
{
throw new InvalidFileformatException("Error reading stream", e);
}
if (xDoc.Root == null || xDoc.Root.Name != DocumentsCollection.ElementName)
{
throw new InvalidFileformatException("Rootelement not found or incorrect");
}
var ns = MetadataElement.GetNamespaceFromElement(xDoc.Root);
var doc = new DocumentsCollection(xDoc.Root, ns);
return(doc);
}
internal MetadataFile(ProgramSystemInfo programSystem = null)
{
Documents = DocumentsCollection.CreateNew(programSystem);
}