private object DeserializeObject(JObject jsonObj, Metadata.Entity entity)
{
if (jsonObj == null)
{
throw new SerializationException("Object type expected");
}
object instance = Activator.CreateInstance(entity.Type);
var handled = new HashSet <string>(StringComparer.InvariantCultureIgnoreCase);
foreach (var prop in jsonObj.Properties())
{
if (entity.Properties.TryGetValue(prop.Name, out Metadata.Property propMeta))
{
object value = Deserialize(prop.Value, propMeta.PropertyType);
propMeta.PropertyInfo.SetValue(instance, value);
handled.Add(prop.Name);
}
}
// Check IsRequired
var missing = entity.Properties.Values.Where(it => it.IsRequired && !handled.Contains(it.Name)).ToList();
if (missing.Any())
{
string props = (missing.Count == 1 ? "property " : "properties ") +
String.Join(", ", missing.Select(it => it.Name));
throw new SerializationException($"Missing required {props} on {entity.Name}");
}
return(instance);
}
private JToken SerializeEntity(object value, Metadata.Entity entity, Metadata.TypeInfo typeInfo)
{
var jObject = new JObject();
// Different type: this should be a derived type
Type realType = value.GetType();
var allProps = entity.Properties;
if (realType != typeInfo.Type)
{
allProps = new Dictionary <string, Metadata.Property>();
if (!typeInfo.Type.IsAssignableFrom(realType))
{
throw new SerializationException($"Type mismatch: {realType.Name} is not a {typeInfo.Type}");
}
entity = metadata.Entities.Values.FirstOrDefault(it => it.Type == realType);
if (entity == null)
{
throw new SerializationException($"Type {realType.Name} is not supported in this version ({metadata.CurVersion})");
}
jObject["$type"] = entity.Name;
// Get all properties of base and derived types
do
{
foreach (var pair in entity.Properties)
{
allProps[pair.Key] = pair.Value;
}
entity = entity.Parent;
}while (entity != null);
}
foreach (var propMeta in allProps.Values)
{
object propValue = propMeta.PropertyInfo.GetValue(value, null);
if (!propMeta.IsOptional || !IsDefaultValue(propValue, propMeta.PropertyInfo.PropertyType))
{
JToken token = Serialize(propValue, propMeta.PropertyType);
jObject[propMeta.Name] = token;
}
}
return(jObject);
}
