public IEnumerable <T> GetItemsFromSerializationText <T>(string json, JsonSerializationSettings settings) where T : class, new()
{
if (settings == null)
{
settings = new JsonSerializationSettings();
}
switch (settings.SerializationType)
{
case SerializationType.Array:
{
var setArray = JArray.Parse(json);
foreach (var i in setArray.Children())
{
if (i.Type == JTokenType.Object)
{
yield return(CEF.Deserialize <T>(i.ToString()));
}
}
break;
}
case SerializationType.ObjectWithSchemaType1AndRows:
{
// Read schema
Dictionary <string, Type> schema = new Dictionary <string, Type>();
var root = JObject.Parse(json);
// Read schema
foreach (var propInfo in root.GetValue(settings.SchemaName).ToArray())
{
if (propInfo is JObject jo)
{
if (jo.Count < 2 || jo.Count > 3)
{
throw new CEFInvalidOperationException("Invalid JSON format.");
}
JProperty pn = (from a in jo.Children() let b = a as JProperty where b != null && b.Name.Equals(settings.SchemaFieldNameName) select b).FirstOrDefault();
JProperty pt = (from a in jo.Children() let b = a as JProperty where b != null && b.Name.Equals(settings.SchemaFieldTypeName) select b).FirstOrDefault();
JProperty pr = (from a in jo.Children() let b = a as JProperty where b != null && b.Name.Equals(settings.SchemaFieldRequiredName) select b).FirstOrDefault();
if (pn == null || pt == null)
{
throw new CEFInvalidOperationException("Invalid JSON format.");
}
var t = settings.GetDataType(pt.Value.ToString());
var torig = t;
// Assume that any property might be omitted/missing which means everything should be considered nullable
if (t.IsValueType && !(t.IsGenericType && t.GetGenericTypeDefinition() == typeof(Nullable <>)))
{
t = typeof(Nullable <>).MakeGenericType(t);
}
var name = pn.Value.ToString();
schema[name] = t;
// If is required, we add a validation for this
if (pr != null && bool.TryParse(pr.Value.ToString(), out bool prv) && prv)
{
ValidationService.RegisterRequired <T>(torig, name);
}
}
}
// Read objects, using the schema as the "basis" where missing/omitted properties are still carried through
foreach (var itemInfo in root.GetValue(settings.DataRootName).ToArray())
{
var obj = CEF.Deserialize <T>(itemInfo.ToString());
var iw = obj.AsInfraWrapped();
// We need to apply property type settings after-the-fact
var allProp = iw.GetAllValues();
foreach (var propInfo in schema)
{
var existingInfo = (from a in allProp where a.Key == propInfo.Key select(propInfo.Value, a.Value));
if (existingInfo.Any())
{
iw.SetValue(propInfo.Key, existingInfo.First().Item2, existingInfo.First().Item1);
}
else
{
iw.SetValue(propInfo.Key, null, propInfo.Value);
}
}
yield return(obj);
}
break;
}
}
}
