protected override IStorableContent LoadContent(string filename, out Info info)
{
bool useOldPersistence = XmlParser.CanOpen(filename);
IStorableContent content = null;
if (useOldPersistence)
{
var sw = new Stopwatch();
sw.Start();
content = XmlParser.Deserialize <IStorableContent>(filename);
sw.Stop();
info = new Info(filename, sw.Elapsed);
}
else
{
var ser = new ProtoBufSerializer();
content = (IStorableContent)ser.Deserialize(filename, out SerializationInfo serInfo);
info = new Info(filename, serInfo);
}
if (content == null)
{
throw new PersistenceException($"Cannot deserialize root element of {filename}");
}
return(content);
}