/// <summary>
/// Deserialize the given JSON value according to the specified CLR type.
/// </summary>
/// <param name="type">The CLR type to deserialize the JSON value to.</param>
/// <param name="jsonValue">The JSON value to deserialize.</param>
/// <returns>The CLR object that the JSON value was deserialized from.</returns>
public object DeserializeValue(Type type, JsonValue jsonValue)
{
if (ReferenceEquals(jsonValue, JsonNull.Instance))
{
return null;
}
var converter = JsonConverterFactory.CreateInstance(type);
return converter.DeserializeValue(this, type, jsonValue);
}
/// <summary>
/// Deserialize a JSON value to a defined CLR type.
/// </summary>
/// <param name="serializer">The serializer to utilize when deserializing nested objects.</param>
/// <param name="type">The CLR type to deserialize the JSON value to.</param>
/// <param name="jsonValue">The JSON value to deserialize.</param>
/// <returns>The object that represents the CLR version of the given JSON value.</returns>
public object DeserializeValue(IJsonSerializer serializer, Type type, JsonValue jsonValue)
{
var jsonArray = (JsonArray) jsonValue;
if (type.IsArray)
{
return DeserializeArray(serializer, type, jsonArray);
}
if (TypeHelper.IsCollection(type))
{
return DeserializeCollection(serializer, type, jsonArray);
}
if (type.GetTypeInfo().IsGenericType && type.GetTypeInfo().GetGenericTypeDefinition() == typeof(IReadOnlyList<>))
{
type = typeof(List<>).MakeGenericType(type.GenericTypeArguments[0]);
return DeserializeValue(serializer, type, jsonArray);
}
throw new NotSupportedException();
}
/// <summary>
/// Read an object from the given JSON value.
/// </summary>
/// <param name="type">The type of the object to deserialize.</param>
/// <param name="jsonValue">The JSON value to read.</param>
/// <returns>The object that was read.</returns>
protected virtual object ReadFromJsonValue(Type type, JsonValue jsonValue)
{
if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(IPatch<>))
{
return CreatePatch(type, ContractResolver, jsonValue);
}
return DeserializeValue(type, jsonValue);
}
/// <summary>
/// Deserialize an object.
/// </summary>
/// <param name="type">The type of the object to deserialize.</param>
/// <param name="jsonValue">The JSON value that represents the object to deserialize.</param>
protected virtual object DeserializeValue(Type type, JsonValue jsonValue)
{
var serializer = new JsonSerializer(new JsonConverterFactory(new ContractConverter(ContractResolver)), new DefaultFieldNamingStrategy());
return serializer.DeserializeValue(type, jsonValue);
}
/// <summary>
/// Creates an instance of the patch object for the media type.
/// </summary>
/// <param name="type">The type of the inner instance that is being patched.</param>
/// <param name="contractResolver">The contract resolver.</param>
/// <param name="jsonValue">The JSON value that represents the patch values.</param>
/// <returns>The instance of the patch.</returns>
protected virtual IPatch CreatePatch(Type type, IContractResolver contractResolver, JsonValue jsonValue)
{
var patch = typeof(JsonPatch<>).MakeGenericType(type.GenericTypeArguments[0]);
var constructor = patch.GetConstructor(new[] { typeof(IContractResolver), typeof(JsonObject) });
Debug.Assert(constructor != null);
return (IPatch)constructor.Invoke(new object[] { ContractResolver, jsonValue });
}
/// <summary>
/// Deserialize a JSON value to a defined CLR type.
/// </summary>
/// <param name="serializer">The serializer to utilize when deserializing nested objects.</param>
/// <param name="type">The CLR type to deserialize the JSON value to.</param>
/// <param name="jsonValue">The JSON value to deserialize.</param>
/// <returns>The object that represents the CLR version of the given JSON value.</returns>
public object DeserializeValue(IJsonSerializer serializer, Type type, JsonValue jsonValue)
{
var text = ((JsonString)jsonValue).Value;
return Enum.Parse(type, text, true);
}
/// <summary>
/// Deserialize a JSON value to a defined CLR type.
/// </summary>
/// <param name="serializer">The serializer to utilize when deserializing nested objects.</param>
/// <param name="type">The CLR type to deserialize the JSON value to.</param>
/// <param name="jsonValue">The JSON value to deserialize.</param>
/// <returns>The object that represents the CLR version of the given JSON value.</returns>
public object DeserializeValue(IJsonSerializer serializer, Type type, JsonValue jsonValue)
{
if (type == typeof(string))
{
return ((JsonString)jsonValue).Value;
}
if (type == typeof(Guid))
{
return new Guid(((JsonString)jsonValue).Value);
}
if (type == typeof(short))
{
return (short)((JsonNumber)jsonValue).Value;
}
if (type == typeof(ushort))
{
return (ushort)((JsonNumber)jsonValue).Value;
}
if (type == typeof(int))
{
return (int)((JsonNumber)jsonValue).Value;
}
if (type == typeof(long))
{
return (long)((JsonNumber)jsonValue).Value;
}
if (type == typeof(decimal))
{
return ((JsonNumber)jsonValue).Value;
}
if (type == typeof(float))
{
return (float)((JsonNumber)jsonValue).Value;
}
if (type == typeof(double))
{
return (double)((JsonNumber)jsonValue).Value;
}
if (type == typeof(DateTime))
{
return DateTime.Parse(((JsonString)jsonValue).Value);
}
if (type == typeof(DateTimeOffset))
{
return DateTimeOffset.Parse(((JsonString)jsonValue).Value);
}
if (type == typeof(bool))
{
return ((JsonBoolean)jsonValue).Value;
}
throw new NotSupportedException(type.ToString());
}
/// <summary>
/// Deserialize a JSON value to a defined CLR type.
/// </summary>
/// <param name="serializer">The serializer to utilize when deserializing nested objects.</param>
/// <param name="type">The CLR type to deserialize the JSON value to.</param>
/// <param name="jsonValue">The JSON value to deserialize.</param>
/// <returns>The object that represents the CLR version of the given JSON value.</returns>
public object DeserializeValue(IJsonSerializer serializer, Type type, JsonValue jsonValue)
{
type = Nullable.GetUnderlyingType(type) ?? type;
return serializer.DeserializeValue(type, jsonValue);
}
/// <summary>
/// Deserialize the given JSON value according to the specified CLR type.
/// </summary>
/// <param name="type">The CLR type to deserialize the JSON value to.</param>
/// <param name="jsonValue">The JSON value to deserialize.</param>
/// <returns>The CLR object that the JSON value was deserialized from.</returns>
object IJsonSerializer.DeserializeValue(Type type, JsonValue jsonValue)
{
throw new NotImplementedException();
}
/// <summary>
/// Deserialize a JSON value to a defined CLR type.
/// </summary>
/// <param name="serializer">The serializer to utilize when deserializing nested objects.</param>
/// <param name="type">The CLR type to deserialize the JSON value to.</param>
/// <param name="jsonValue">The JSON value to deserialize.</param>
/// <returns>The object that represents the CLR version of the given JSON value.</returns>
public object DeserializeValue(IJsonSerializer serializer, Type type, JsonValue jsonValue)
{
return DeserializeObject(serializer, type, (JsonObject)jsonValue);
}
/// <summary>
/// Deserialize a JSON object.
/// </summary>
/// <param name="serializer">The serializer to utilize when deserializing nested objects.</param>
/// <param name="type">The type of the object to deserialize to.</param>
/// <param name="jsonValue">The JSON value to deserialize from.</param>
/// <returns>The CLR object that represents the JSON object.</returns>
object DeserializeObject(IJsonSerializer serializer, Type type, JsonValue jsonValue)
{
IContract contract;
if (_contractResolver.TryResolve(type, out contract) == false)
{
throw new HypermediaWebApiException($"Could not resolve a contract for {type}.");
}
var instance = Activator.CreateInstance(type);
DeserializeObject(serializer, (JsonObject)jsonValue, contract, instance);
return instance;
}
/// <summary>
/// Deserialize an object.
/// </summary>
/// <param name="type">The type of the object to deserialize.</param>
/// <param name="jsonValue">The JSON value that represents the object to deserialize.</param>
protected override object DeserializeValue(Type type, JsonValue jsonValue)
{
var jsonObject = jsonValue as JsonObject;
if (jsonObject == null)
{
throw new HypermediaWebApiException("The top level JSON value must be an Object.");
}
var serializer = new JsonApiSerializer(ContractResolver, _fieldNamingStratgey);
if (TypeHelper.IsEnumerable(type))
{
return serializer.DeserializeMany(jsonObject);
}
return serializer.DeserializeEntity(jsonObject);
}
