public MemberMapping(string mappingName, MemberInfo member, bool ignored, bool readable, bool writable, JsonConverter memberConverter, object defaultValue)
{
_mappingName = mappingName;
_member = member;
_ignored = ignored;
_readable = readable;
_writable = writable;
_memberConverter = memberConverter;
_defaultValue = defaultValue;
}
internal static bool HasMatchingConverter(IList<JsonConverter> converters, Type objectType, out JsonConverter matchingConverter)
{
if (objectType == null)
throw new ArgumentNullException("objectType");
if (converters != null)
{
for (int i = 0; i < converters.Count; i++)
{
JsonConverter converter = converters[i];
if (converter.CanConvert(objectType))
{
matchingConverter = converter;
return true;
}
}
}
matchingConverter = null;
return false;
}
private bool HasMatchingConverter(Type type, out JsonConverter matchingConverter)
{
return HasMatchingConverter(_converters, type, out matchingConverter);
}
private void SerializeValue(JsonWriter writer, object value, JsonConverter memberConverter)
{
JsonConverter converter;
if (value == null)
{
writer.WriteNull();
}
else if (memberConverter != null)
{
memberConverter.WriteJson(writer, value);
}
else if (HasClassConverter(value.GetType(), out converter))
{
converter.WriteJson(writer, value);
}
else if (HasMatchingConverter(value.GetType(), out converter))
{
converter.WriteJson(writer, value);
}
else if (JavaScriptConvert.IsJsonPrimitive(value))
{
writer.WriteValue(value);
}
else if (value is IList)
{
SerializeList(writer, (IList)value);
}
else if (value is IDictionary)
{
SerializeDictionary(writer, (IDictionary)value);
}
else if (value is ICollection)
{
SerializeCollection(writer, (ICollection)value);
}
else if (value is IEnumerable)
{
SerializeEnumerable(writer, (IEnumerable)value);
}
else if (value is JsonRaw)
{
writer.WriteRawValue(((JsonRaw)value).Content);
}
else
{
SerializeObject(writer, value);
}
}
private object CreateObject(JsonReader reader, Type objectType, object existingValue, JsonConverter memberConverter)
{
_level++;
object value;
JsonConverter converter;
if (memberConverter != null)
{
return memberConverter.ReadJson(reader, objectType);
}
else if (objectType != null && HasClassConverter(objectType, out converter))
{
return converter.ReadJson(reader, objectType);
}
else if (objectType != null && HasMatchingConverter(objectType, out converter))
{
return converter.ReadJson(reader, objectType);
}
else if (objectType == typeof(JsonRaw))
{
return JsonRaw.Create(reader);
}
else
{
switch (reader.TokenType)
{
// populate a typed object or generic dictionary/array
// depending upon whether an objectType was supplied
case JsonToken.StartObject:
if (objectType == null)
{
value = CreateJToken(reader);
}
else if (typeof(IDictionary).IsAssignableFrom(objectType) || ReflectionUtils.ImplementsGenericDefinition(objectType, typeof(IDictionary<,>)))
{
if (existingValue == null)
value = CreateAndPopulateDictionary(reader, objectType);
else
value = PopulateDictionary(CollectionUtils.CreateDictionaryWrapper(existingValue), reader);
}
else
{
if (existingValue == null)
value = CreateAndPopulateObject(reader, objectType);
else
value = PopulateObject(existingValue, reader, objectType);
}
break;
case JsonToken.StartArray:
if (objectType != null)
{
if (existingValue == null)
value = CreateAndPopulateList(reader, objectType);
else
value = PopulateList(CollectionUtils.CreateCollectionWrapper(existingValue), ReflectionUtils.GetCollectionItemType(objectType), reader);
}
else
{
value = CreateJToken(reader);
}
break;
case JsonToken.Integer:
case JsonToken.Float:
case JsonToken.String:
case JsonToken.Boolean:
case JsonToken.Date:
value = EnsureType(reader.Value, objectType);
break;
case JsonToken.StartConstructor:
case JsonToken.EndConstructor:
string constructorName = reader.Value.ToString();
value = constructorName;
break;
case JsonToken.Null:
case JsonToken.Undefined:
if (objectType == typeof(DBNull))
value = DBNull.Value;
else
value = null;
break;
default:
throw new JsonSerializationException("Unexpected token while deserializing object: " + reader.TokenType);
}
}
_level--;
return value;
}
private bool HasClassConverter(Type objectType, out JsonConverter converter)
{
if (objectType == null)
throw new ArgumentNullException("objectType");
converter = GetConverter(objectType, objectType);
return (converter != null);
}
