public void PopulateFromSerializationText(string json, JsonSerializationSettings?jss = null)
{
if (jss == null)
{
jss = new JsonSerializationSettings();
}
// Must be an array...
if (jss.SerializationType == SerializationType.Array)
{
if (!Regex.IsMatch(json, @"^\s*\[") || !Regex.IsMatch(json, @"\]\s*$"))
{
throw new CEFInvalidStateException(InvalidStateType.Serialization, "JSON provided is not an array (must be to deserialize a service scope).");
}
}
var il = CEF.CurrentPCTService()?.GetItemsFromSerializationText <T>(json, jss);
if (il != null)
{
foreach (var i in il)
{
this.Add(i);
}
}
}
private static async Task WriteExceptionAsync(HttpContext context, object responseContent)
{
var response = context.Response;
response.ContentType = "text/json";
response.StatusCode = 500;
await response.WriteAsync(
JsonConvert.SerializeObject(responseContent, JsonSerializationSettings.Default())
).ConfigureAwait(false);
}
public JsonDataSerializer(IOptions <JsonSerializationSettings> options)
{
_settings = options.Value;
_serializer = new JsonSerializer
{
ReferenceLoopHandling = ReferenceLoopHandling.Ignore,
Formatting = Formatting.None,
PreserveReferencesHandling = _settings.PreserveReferences ? PreserveReferencesHandling.All : PreserveReferencesHandling.None
};
}
public static object Deserialize(string json, Type type, JsonSerializationSettings settings = JsonSerializationSettings.Default)
{
try
{
return(JsonConvert.DeserializeObject(json, type, BuildSettings(settings)));
}
catch (Exception exc)
{
Logger.Error("Cannot deserialize the Json", exc);
throw;
}
}
public static string Serialize(object obj, Type type, JsonSerializationSettings settings = JsonSerializationSettings.Default)
{
try
{
return(JsonConvert.SerializeObject(obj, Formatting.Indented, BuildSettings(settings)));
}
catch (Exception exc)
{
Logger.Error("Cannot serialize the Json", exc);
throw;
}
}
private static JsonSerializerSettings BuildSettings(JsonSerializationSettings settings = JsonSerializationSettings.Default)
{
if (settings == JsonSerializationSettings.Default)
{
return(SerializerSettings);
}
if ((settings & JsonSerializationSettings.NoEmbeddedTypes) != 0)
{
return(SerializerSettingsWithNoTypeHandling);
}
return(null);
}
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;
}
}
}
public static string Serialize <T>(T obj, JsonSerializationSettings settings = JsonSerializationSettings.Default)
{
return(Serialize(obj, obj.GetType(), settings));
}