private object CreateDynamic(JsonReader reader, JsonDynamicContract contract, string id)
{
IDynamicMetaObjectProvider newObject = null;
if (contract.UnderlyingType.IsInterface() || contract.UnderlyingType.IsAbstract())
throw CreateSerializationException(reader, "Could not create an instance of type {0}. Type is an interface or abstract class and cannot be instantated.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType));
if (contract.DefaultCreator != null &&
(!contract.DefaultCreatorNonPublic || Serializer.ConstructorHandling == ConstructorHandling.AllowNonPublicDefaultConstructor))
newObject = (IDynamicMetaObjectProvider) contract.DefaultCreator();
else
throw CreateSerializationException(reader, "Unable to find a default constructor to use for type {0}.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType));
if (id != null)
Serializer.ReferenceResolver.AddReference(this, id, newObject);
contract.InvokeOnDeserializing(newObject, Serializer.Context);
int initialDepth = reader.Depth;
bool exit = false;
do
{
switch (reader.TokenType)
{
case JsonToken.PropertyName:
string memberName = reader.Value.ToString();
try
{
if (!reader.Read())
throw CreateSerializationException(reader, "Unexpected end when setting {0}'s value.".FormatWith(CultureInfo.InvariantCulture, memberName));
// first attempt to find a settable property, otherwise fall back to a dynamic set without type
JsonProperty property = contract.Properties.GetClosestMatchProperty(memberName);
if (property != null && property.Writable && !property.Ignored)
{
if (property.PropertyContract == null)
property.PropertyContract = GetContractSafe(property.PropertyType);
JsonConverter propertyConverter = GetConverter(property.PropertyContract, property.MemberConverter);
SetPropertyValue(property, propertyConverter, reader, newObject);
}
else
{
Type t = (JsonReader.IsPrimitiveToken(reader.TokenType)) ? reader.ValueType : typeof (IDynamicMetaObjectProvider);
JsonContract dynamicMemberContract = GetContractSafe(t);
JsonConverter dynamicMemberConverter = GetConverter(dynamicMemberContract, null);
object value = CreateValueNonProperty(reader, t, dynamicMemberContract, dynamicMemberConverter);
newObject.TrySetMember(memberName, value);
}
}
catch (Exception ex)
{
if (IsErrorHandled(newObject, contract, memberName, reader.Path, ex))
HandleError(reader, initialDepth);
else
throw;
}
break;
case JsonToken.EndObject:
exit = true;
break;
default:
throw CreateSerializationException(reader, "Unexpected token when deserializing object: " + reader.TokenType);
}
} while (!exit && reader.Read());
contract.InvokeOnDeserialized(newObject, Serializer.Context);
return newObject;
}
/// <summary>
/// Serializes the dynamic.
/// </summary>
/// <param name="writer">The writer.</param>
/// <param name="value">The value.</param>
/// <param name="contract">The contract.</param>
private void SerializeDynamic(JsonWriter writer, IDynamicMetaObjectProvider value, JsonDynamicContract contract)
{
contract.InvokeOnSerializing(value, Serializer.Context);
SerializeStack.Add(value);
writer.WriteStartObject();
foreach (string memberName in value.GetDynamicMemberNames())
{
object memberValue;
if (DynamicUtils.TryGetMember(value, memberName, out memberValue))
{
string resolvedPropertyName = (contract.PropertyNameResolver != null)
? contract.PropertyNameResolver(memberName)
: memberName;
writer.WritePropertyName(resolvedPropertyName);
SerializeValue(writer, memberValue, GetContractSafe(memberValue), null, null);
}
}
writer.WriteEndObject();
SerializeStack.RemoveAt(SerializeStack.Count - 1);
contract.InvokeOnSerialized(value, Serializer.Context);
}
private void SerializeDynamic(JsonWriter writer, IDynamicMetaObjectProvider value, JsonDynamicContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
{
contract.InvokeOnSerializing(value, Serializer.Context);
_serializeStack.Add(value);
WriteObjectStart(writer, value, contract, member, collectionContract, containerProperty);
int initialDepth = writer.Top;
foreach (JsonProperty property in contract.Properties)
{
// only write non-dynamic properties that have an explicit attribute
if (property.HasMemberAttribute)
{
try
{
object memberValue;
JsonContract memberContract;
if (!CalculatePropertyValues(writer, value, contract, member, property, out memberContract, out memberValue))
continue;
writer.WritePropertyName(property.PropertyName);
SerializeValue(writer, memberValue, memberContract, property, contract, member);
}
catch (Exception ex)
{
if (IsErrorHandled(value, contract, property.PropertyName, writer.ContainerPath, ex))
HandleError(writer, initialDepth);
else
throw;
}
}
}
foreach (string memberName in value.GetDynamicMemberNames())
{
object memberValue;
if (value.TryGetMember(memberName, out memberValue))
{
try
{
string resolvedPropertyName = (contract.PropertyNameResolver != null)
? contract.PropertyNameResolver(memberName)
: memberName;
writer.WritePropertyName(resolvedPropertyName);
SerializeValue(writer, memberValue, GetContractSafe(memberValue), null, null, member);
}
catch (Exception ex)
{
if (IsErrorHandled(value, contract, memberName, writer.ContainerPath, ex))
HandleError(writer, initialDepth);
else
throw;
}
}
}
writer.WriteEndObject();
_serializeStack.RemoveAt(_serializeStack.Count - 1);
contract.InvokeOnSerialized(value, Serializer.Context);
}
private object CreateDynamic(JsonReader reader, JsonDynamicContract contract, JsonProperty member, string id)
{
IDynamicMetaObjectProvider newObject;
if (!contract.IsInstantiable)
{
throw JsonSerializationException.Create(reader, "Could not create an instance of type {0}. Type is an interface or abstract class and cannot be instantiated.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType));
}
if (contract.DefaultCreator != null &&
(!contract.DefaultCreatorNonPublic || Serializer._constructorHandling == ConstructorHandling.AllowNonPublicDefaultConstructor))
{
newObject = (IDynamicMetaObjectProvider)contract.DefaultCreator();
}
else
{
throw JsonSerializationException.Create(reader, "Unable to find a default constructor to use for type {0}.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType));
}
if (id != null)
{
AddReference(reader, id, newObject);
}
OnDeserializing(reader, contract, newObject);
int initialDepth = reader.Depth;
bool finished = false;
do
{
switch (reader.TokenType)
{
case JsonToken.PropertyName:
string memberName = reader.Value.ToString();
try
{
if (!reader.Read())
{
throw JsonSerializationException.Create(reader, "Unexpected end when setting {0}'s value.".FormatWith(CultureInfo.InvariantCulture, memberName));
}
// first attempt to find a settable property, otherwise fall back to a dynamic set without type
JsonProperty property = contract.Properties.GetClosestMatchProperty(memberName);
if (property != null && property.Writable && !property.Ignored)
{
if (property.PropertyContract == null)
{
property.PropertyContract = GetContractSafe(property.PropertyType);
}
JsonConverter propertyConverter = GetConverter(property.PropertyContract, property.MemberConverter, null, null);
if (!SetPropertyValue(property, propertyConverter, null, member, reader, newObject))
{
reader.Skip();
}
}
else
{
Type t = (JsonTokenUtils.IsPrimitiveToken(reader.TokenType)) ? reader.ValueType : typeof(IDynamicMetaObjectProvider);
JsonContract dynamicMemberContract = GetContractSafe(t);
JsonConverter dynamicMemberConverter = GetConverter(dynamicMemberContract, null, null, member);
object value;
if (dynamicMemberConverter != null && dynamicMemberConverter.CanRead)
{
value = DeserializeConvertable(dynamicMemberConverter, reader, t, null);
}
else
{
value = CreateValueInternal(reader, t, dynamicMemberContract, null, null, member, null);
}
contract.TrySetMember(newObject, memberName, value);
}
}
catch (Exception ex)
{
if (IsErrorHandled(newObject, contract, memberName, reader as IJsonLineInfo, reader.Path, ex))
{
HandleError(reader, true, initialDepth);
}
else
{
throw;
}
}
break;
case JsonToken.EndObject:
finished = true;
break;
default:
throw JsonSerializationException.Create(reader, "Unexpected token when deserializing object: " + reader.TokenType);
}
} while (!finished && reader.Read());
if (!finished)
{
ThrowUnexpectedEndException(reader, contract, newObject, "Unexpected end when deserializing object.");
}
OnDeserialized(reader, contract, newObject);
return newObject;
}
private void SerializeDynamic(JsonWriter writer, IDynamicMetaObjectProvider value, JsonDynamicContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
{
OnSerializing(writer, contract, value);
_serializeStack.Add(value);
WriteObjectStart(writer, value, contract, member, collectionContract, containerProperty);
int initialDepth = writer.Top;
for (int index = 0; index < contract.Properties.Count; index++)
{
JsonProperty property = contract.Properties[index];
// only write non-dynamic properties that have an explicit attribute
if (property.HasMemberAttribute)
{
try
{
object memberValue;
JsonContract memberContract;
if (!CalculatePropertyValues(writer, value, contract, member, property, out memberContract, out memberValue))
continue;
property.WritePropertyName(writer);
SerializeValue(writer, memberValue, memberContract, property, contract, member);
}
catch (Exception ex)
{
if (IsErrorHandled(value, contract, property.PropertyName, null, writer.ContainerPath, ex))
HandleError(writer, initialDepth);
else
throw;
}
}
}
foreach (string memberName in value.GetDynamicMemberNames())
{
object memberValue;
if (contract.TryGetMember(value, memberName, out memberValue))
{
try
{
JsonContract valueContract = GetContractSafe(memberValue);
if (!ShouldWriteDynamicProperty(memberValue))
continue;
if (CheckForCircularReference(writer, memberValue, null, valueContract, contract, member))
{
string resolvedPropertyName = (contract.PropertyNameResolver != null)
? contract.PropertyNameResolver(memberName)
: memberName;
writer.WritePropertyName(resolvedPropertyName);
SerializeValue(writer, memberValue, valueContract, null, contract, member);
}
}
catch (Exception ex)
{
if (IsErrorHandled(value, contract, memberName, null, writer.ContainerPath, ex))
HandleError(writer, initialDepth);
else
throw;
}
}
}
writer.WriteEndObject();
_serializeStack.RemoveAt(_serializeStack.Count - 1);
OnSerialized(writer, contract, value);
}
private void SerializeDynamic(JsonWriter writer, IDynamicMetaObjectProvider value, JsonDynamicContract contract, JsonProperty member, JsonContract collectionValueContract)
{
contract.InvokeOnSerializing(value, Serializer.Context);
_serializeStack.Add(value);
WriteObjectStart(writer, value, contract, member, collectionValueContract);
foreach (string memberName in value.GetDynamicMemberNames())
{
object memberValue;
if (DynamicUtils.TryGetMember(value, memberName, out memberValue))
{
string resolvedPropertyName = (contract.PropertyNameResolver != null)
? contract.PropertyNameResolver(memberName)
: memberName;
writer.WritePropertyName(resolvedPropertyName);
SerializeValue(writer, memberValue, GetContractSafe(memberValue), null, null);
}
}
writer.WriteEndObject();
_serializeStack.RemoveAt(_serializeStack.Count - 1);
contract.InvokeOnSerialized(value, Serializer.Context);
}
private void SerializeDynamic(JsonWriter writer, IDynamicMetaObjectProvider value, JsonDynamicContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
{
OnSerializing(writer, contract, value);
_serializeStack.Add(value);
WriteObjectStart(writer, value, contract, member, collectionContract, containerProperty);
int initialDepth = writer.Top;
for (int index = 0; index < contract.Properties.Count; index++)
{
JsonProperty property = contract.Properties[index];
// only write non-dynamic properties that have an explicit attribute
if (property.HasMemberAttribute)
{
try
{
if (!CalculatePropertyValues(writer, value, contract, member, property, out JsonContract memberContract, out object memberValue))
{
continue;
}
property.WritePropertyName(writer);
SerializeValue(writer, memberValue, memberContract, property, contract, member);
}
catch (Exception ex)
{
if (IsErrorHandled(value, contract, property.PropertyName, null, writer.ContainerPath, ex))
{
HandleError(writer, initialDepth);
}
else
{
throw;
}
}
}
}
foreach (string memberName in value.GetDynamicMemberNames())
{
if (contract.TryGetMember(value, memberName, out object memberValue))
{
try
{
JsonContract valueContract = GetContractSafe(memberValue);
if (!ShouldWriteDynamicProperty(memberValue))
{
continue;
}
if (CheckForCircularReference(writer, memberValue, null, valueContract, contract, member))
{
string resolvedPropertyName = (contract.PropertyNameResolver != null)
? contract.PropertyNameResolver(memberName)
: memberName;
writer.WritePropertyName(resolvedPropertyName);
SerializeValue(writer, memberValue, valueContract, null, contract, member);
}
}
catch (Exception ex)
{
if (IsErrorHandled(value, contract, memberName, null, writer.ContainerPath, ex))
{
HandleError(writer, initialDepth);
}
else
{
throw;
}
}
}
}
writer.WriteEndObject();
_serializeStack.RemoveAt(_serializeStack.Count - 1);
OnSerialized(writer, contract, value);
}
private object CreateDynamic(JsonReader reader, JsonDynamicContract contract, string id)
{
IDynamicMetaObjectProvider newObject = null;
if (contract.UnderlyingType.IsInterface || contract.UnderlyingType.IsAbstract)
throw new JsonSerializationException("Could not create an instance of type {0}. Type is an interface or abstract class and cannot be instantated.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType));
if (contract.DefaultCreator != null &&
(!contract.DefaultCreatorNonPublic || Serializer.ConstructorHandling == ConstructorHandling.AllowNonPublicDefaultConstructor))
{
newObject = (IDynamicMetaObjectProvider)contract.DefaultCreator();
}
if (id != null)
Serializer.ReferenceResolver.AddReference(id, newObject);
contract.InvokeOnDeserializing(newObject, Serializer.Context);
bool exit = false;
do
{
switch (reader.TokenType)
{
case JsonToken.PropertyName:
string memberName = reader.Value.ToString();
if (!reader.Read())
throw new JsonSerializationException("Unexpected end when setting {0}'s value.".FormatWith(CultureInfo.InvariantCulture, memberName));
// first attempt to find a settable property, otherwise fall back to a dynamic set without type
JsonProperty property = contract.Properties.GetClosestMatchProperty(memberName);
if (property != null && property.Writable && !property.Ignored)
{
SetPropertyValue(property, reader, newObject);
}
else
{
object value = (JsonReader.IsPrimitiveToken(reader.TokenType))
? reader.Value
: CreateObject(reader, typeof(IDynamicMetaObjectProvider), GetContractSafe(typeof(IDynamicMetaObjectProvider), null), null, null);
newObject.TrySetMember(memberName, value);
}
break;
case JsonToken.EndObject:
exit = true;
break;
default:
throw new JsonSerializationException("Unexpected token when deserializing object: " + reader.TokenType);
}
} while (!exit && reader.Read());
contract.InvokeOnDeserialized(newObject, Serializer.Context);
return newObject;
}
private void SerializeDynamic(JsonWriter writer, IDynamicMetaObjectProvider value, JsonDynamicContract contract)
{
contract.InvokeOnSerializing(value, Serializer.Context);
SerializeStack.Add(value);
writer.WriteStartObject();
foreach (string memberName in value.GetDynamicMemberNames())
{
object memberValue;
if (DynamicUtils.TryGetMember(value, memberName, out memberValue))
{
writer.WritePropertyName(memberName);
SerializeValue(writer, memberValue, GetContractSafe(memberValue), null, null);
}
}
writer.WriteEndObject();
SerializeStack.RemoveAt(SerializeStack.Count - 1);
contract.InvokeOnSerialized(value, Serializer.Context);
}
private object CreateDynamic(JsonReader reader, JsonDynamicContract contract, string id)
{
IDynamicMetaObjectProvider newObject = null;
if (contract.UnderlyingType.IsInterface || contract.UnderlyingType.IsAbstract)
{
throw new JsonSerializationException("Could not create an instance of type {0}. Type is an interface or abstract class and cannot be instantated.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType));
}
if (contract.DefaultCreator != null &&
(!contract.DefaultCreatorNonPublic || Serializer.ConstructorHandling == ConstructorHandling.AllowNonPublicDefaultConstructor))
{
newObject = (IDynamicMetaObjectProvider)contract.DefaultCreator();
}
else
{
throw new JsonSerializationException("Unable to find a default constructor to use for type {0}.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType));
}
if (id != null)
{
Serializer.ReferenceResolver.AddReference(this, id, newObject);
}
contract.InvokeOnDeserializing(newObject, Serializer.Context);
bool exit = false;
do
{
switch (reader.TokenType)
{
case JsonToken.PropertyName:
string memberName = reader.Value.ToString();
if (!reader.Read())
{
throw new JsonSerializationException("Unexpected end when setting {0}'s value.".FormatWith(CultureInfo.InvariantCulture, memberName));
}
// first attempt to find a settable property, otherwise fall back to a dynamic set without type
JsonProperty property = contract.Properties.GetClosestMatchProperty(memberName);
if (property != null && property.Writable && !property.Ignored)
{
SetPropertyValue(property, reader, newObject);
}
else
{
Type t = (JsonReader.IsPrimitiveToken(reader.TokenType)) ? reader.ValueType : typeof(IDynamicMetaObjectProvider);
object value = CreateValueNonProperty(reader, t, GetContractSafe(t, null));
newObject.TrySetMember(memberName, value);
}
break;
case JsonToken.EndObject:
exit = true;
break;
default:
throw new JsonSerializationException("Unexpected token when deserializing object: " + reader.TokenType);
}
} while (!exit && reader.Read());
contract.InvokeOnDeserialized(newObject, Serializer.Context);
return(newObject);
}
private object CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, object existingValue)
{
CheckedRead(reader);
string id = null;
if (reader.TokenType == JsonToken.PropertyName)
{
bool specialProperty;
do
{
string propertyName = reader.Value.ToString();
if (string.Equals(propertyName, JsonTypeReflector.RefPropertyName, StringComparison.Ordinal))
{
CheckedRead(reader);
if (reader.TokenType != JsonToken.String)
{
throw new JsonSerializationException("JSON reference {0} property must have a string value.".FormatWith(CultureInfo.InvariantCulture, JsonTypeReflector.RefPropertyName));
}
string reference = reader.Value.ToString();
CheckedRead(reader);
if (reader.TokenType == JsonToken.PropertyName)
{
throw new JsonSerializationException("Additional content found in JSON reference object. A JSON reference object should only have a {0} property.".FormatWith(CultureInfo.InvariantCulture, JsonTypeReflector.RefPropertyName));
}
return(Serializer.ReferenceResolver.ResolveReference(this, reference));
}
else if (string.Equals(propertyName, JsonTypeReflector.TypePropertyName, StringComparison.Ordinal))
{
CheckedRead(reader);
string qualifiedTypeName = reader.Value.ToString();
CheckedRead(reader);
if ((((member != null) ? member.TypeNameHandling : null) ?? Serializer.TypeNameHandling) != TypeNameHandling.None)
{
string typeName;
string assemblyName;
ReflectionUtils.SplitFullyQualifiedTypeName(qualifiedTypeName, out typeName, out assemblyName);
Type specifiedType;
try
{
specifiedType = Serializer.Binder.BindToType(assemblyName, typeName);
}
catch (Exception ex)
{
throw new JsonSerializationException("Error resolving type specified in JSON '{0}'.".FormatWith(CultureInfo.InvariantCulture, qualifiedTypeName), ex);
}
if (specifiedType == null)
{
throw new JsonSerializationException("Type specified in JSON '{0}' was not resolved.".FormatWith(CultureInfo.InvariantCulture, qualifiedTypeName));
}
if (objectType != null && !objectType.IsAssignableFrom(specifiedType))
{
throw new JsonSerializationException("Type specified in JSON '{0}' is not compatible with '{1}'.".FormatWith(CultureInfo.InvariantCulture, specifiedType.AssemblyQualifiedName, objectType.AssemblyQualifiedName));
}
objectType = specifiedType;
contract = GetContractSafe(specifiedType);
}
specialProperty = true;
}
else if (string.Equals(propertyName, JsonTypeReflector.IdPropertyName, StringComparison.Ordinal))
{
CheckedRead(reader);
id = reader.Value.ToString();
CheckedRead(reader);
specialProperty = true;
}
else if (string.Equals(propertyName, JsonTypeReflector.ArrayValuesPropertyName, StringComparison.Ordinal))
{
CheckedRead(reader);
object list = CreateList(reader, objectType, contract, member, existingValue, id);
CheckedRead(reader);
return(list);
}
else
{
specialProperty = false;
}
} while (specialProperty &&
reader.TokenType == JsonToken.PropertyName);
}
if (!HasDefinedType(objectType))
{
return(CreateJObject(reader));
}
if (contract == null)
{
throw new JsonSerializationException("Could not resolve type '{0}' to a JsonContract.".FormatWith(CultureInfo.InvariantCulture, objectType));
}
JsonDictionaryContract dictionaryContract = contract as JsonDictionaryContract;
if (dictionaryContract != null)
{
if (existingValue == null)
{
return(CreateAndPopulateDictionary(reader, dictionaryContract, id));
}
return(PopulateDictionary(dictionaryContract.CreateWrapper(existingValue), reader, dictionaryContract, id));
}
JsonObjectContract objectContract = contract as JsonObjectContract;
if (objectContract != null)
{
if (existingValue == null)
{
return(CreateAndPopulateObject(reader, objectContract, id));
}
return(PopulateObject(existingValue, reader, objectContract, id));
}
#if !SILVERLIGHT && !PocketPC
JsonISerializableContract serializableContract = contract as JsonISerializableContract;
if (serializableContract != null)
{
return(CreateISerializable(reader, serializableContract, id));
}
#endif
#if !(NET35 || NET20 || WINDOWS_PHONE)
JsonDynamicContract dynamicContract = contract as JsonDynamicContract;
if (dynamicContract != null)
{
return(CreateDynamic(reader, dynamicContract, id));
}
#endif
throw new JsonSerializationException("Cannot deserialize JSON object into type '{0}'.".FormatWith(CultureInfo.InvariantCulture, objectType));
}
private void SerializeDynamic(JsonWriter writer, IDynamicMetaObjectProvider value, JsonDynamicContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
{
contract.InvokeOnSerializing(value, Serializer.Context);
_serializeStack.Add(value);
WriteObjectStart(writer, value, contract, member, collectionContract, containerProperty);
int initialDepth = writer.Top;
foreach (JsonProperty property in contract.Properties)
{
// only write non-dynamic properties that have an explicit attribute
if (property.HasMemberAttribute)
{
try
{
object memberValue;
JsonContract memberContract;
if (!CalculatePropertyValues(writer, value, contract, member, property, out memberContract, out memberValue))
{
continue;
}
writer.WritePropertyName(property.PropertyName);
SerializeValue(writer, memberValue, memberContract, property, contract, member);
}
catch (Exception ex)
{
if (IsErrorHandled(value, contract, property.PropertyName, writer.ContainerPath, ex))
{
HandleError(writer, initialDepth);
}
else
{
throw;
}
}
}
}
foreach (string memberName in value.GetDynamicMemberNames())
{
object memberValue;
if (value.TryGetMember(memberName, out memberValue))
{
try
{
string resolvedPropertyName = (contract.PropertyNameResolver != null)
? contract.PropertyNameResolver(memberName)
: memberName;
writer.WritePropertyName(resolvedPropertyName);
SerializeValue(writer, memberValue, GetContractSafe(memberValue), null, null, member);
}
catch (Exception ex)
{
if (IsErrorHandled(value, contract, memberName, writer.ContainerPath, ex))
{
HandleError(writer, initialDepth);
}
else
{
throw;
}
}
}
}
writer.WriteEndObject();
_serializeStack.RemoveAt(_serializeStack.Count - 1);
contract.InvokeOnSerialized(value, Serializer.Context);
}
