protected override object ReflectionReadDictionaryItem(XmlReaderDelegator xmlReader, XmlObjectSerializerReadContext context, CollectionDataContract collectionContract)
{
var jsonContext = context as XmlObjectSerializerReadContextComplexJson;
Debug.Assert(jsonContext != null);
Debug.Assert(collectionContract.Kind == CollectionKind.Dictionary || collectionContract.Kind == CollectionKind.GenericDictionary);
context.ReadAttributes(xmlReader);
var itemContract = XmlObjectSerializerWriteContextComplexJson.GetRevisedItemContract(collectionContract.ItemContract);
return(DataContractJsonSerializer.ReadJsonValue(itemContract, xmlReader, jsonContext));
}
object ReadCollectionItem(CollectionDataContract collectionContract, Type itemType)
{
if (collectionContract.Kind == CollectionKind.Dictionary || collectionContract.Kind == CollectionKind.GenericDictionary)
{
context.ResetAttributes();
var revisedContract = XmlObjectSerializerWriteContextComplexJson.GetRevisedItemContract(collectionContract.ItemContract);
var v = DataContractJsonSerializer.ReadJsonValue(revisedContract, xmlReader, context);
return(CodeInterpreter.ConvertValue(v, Globals.TypeOfObject, itemType));
}
else
{
return(ReadValue(itemType, JsonGlobals.itemString));
}
}
public void ReflectionWriteCollection(XmlWriterDelegator xmlWriter, object obj, XmlObjectSerializerWriteContextComplexJson context, CollectionDataContract collectionContract)
{
JsonWriterDelegator jsonWriter = xmlWriter as JsonWriterDelegator;
if (jsonWriter == null)
{
throw new ArgumentException(nameof(xmlWriter));
}
XmlDictionaryString itemName = context.CollectionItemName;
if (collectionContract.Kind == CollectionKind.Array)
{
context.IncrementArrayCount(jsonWriter, (Array)obj);
Type itemType = collectionContract.ItemType;
if (!ReflectionTryWritePrimitiveArray(jsonWriter, obj, collectionContract.UnderlyingType, itemType, itemName))
{
ReflectionWriteArrayAttribute(jsonWriter);
Array array = (Array)obj;
PrimitiveDataContract primitiveContract = PrimitiveDataContract.GetPrimitiveDataContract(itemType);
for (int i = 0; i < array.Length; ++i)
{
_reflectionClassWriter.ReflectionWriteStartElement(jsonWriter, itemName);
_reflectionClassWriter.ReflectionWriteValue(jsonWriter, context, itemType, array.GetValue(i), false, primitiveContract);
_reflectionClassWriter.ReflectionWriteEndElement(jsonWriter);
}
}
}
else
{
collectionContract.IncrementCollectionCount(jsonWriter, obj, context);
IEnumerator enumerator = collectionContract.GetEnumeratorForCollection(obj);
bool canWriteSimpleDictionary = collectionContract.Kind == CollectionKind.GenericDictionary ||
collectionContract.Kind == CollectionKind.Dictionary;
bool useSimpleDictionaryFormat = context.UseSimpleDictionaryFormat;
if (canWriteSimpleDictionary && useSimpleDictionaryFormat)
{
ReflectionWriteObjectAttribute(jsonWriter);
Type[] itemTypeGenericArguments = collectionContract.ItemType.GetGenericArguments();
Type dictionaryValueType = itemTypeGenericArguments.Length == 2 ? itemTypeGenericArguments[1] : null;
while (enumerator.MoveNext())
{
object current = enumerator.Current;
object key = ((IKeyValue)current).Key;
object value = ((IKeyValue)current).Value;
_reflectionClassWriter.ReflectionWriteStartElement(jsonWriter, key.ToString());
_reflectionClassWriter.ReflectionWriteValue(jsonWriter, context, dictionaryValueType ?? value.GetType(), value, false, primitiveContractForParamType: null);
_reflectionClassWriter.ReflectionWriteEndElement(jsonWriter);
}
}
else
{
ReflectionWriteArrayAttribute(jsonWriter);
PrimitiveDataContract primitiveContractForType = PrimitiveDataContract.GetPrimitiveDataContract(collectionContract.UnderlyingType);
if (primitiveContractForType != null && primitiveContractForType.UnderlyingType != Globals.TypeOfObject)
{
while (enumerator.MoveNext())
{
object current = enumerator.Current;
context.IncrementItemCount(1);
primitiveContractForType.WriteXmlElement(jsonWriter, current, context, itemName, null /*namespace*/);
}
}
else
{
Type elementType = collectionContract.GetCollectionElementType();
bool isDictionary = collectionContract.Kind == CollectionKind.Dictionary || collectionContract.Kind == CollectionKind.GenericDictionary;
DataContract itemContract = null;
JsonDataContract jsonDataContract = null;
if (isDictionary)
{
itemContract = XmlObjectSerializerWriteContextComplexJson.GetRevisedItemContract(collectionContract.ItemContract);
jsonDataContract = JsonDataContract.GetJsonDataContract(itemContract);
}
while (enumerator.MoveNext())
{
object current = enumerator.Current;
context.IncrementItemCount(1);
_reflectionClassWriter.ReflectionWriteStartElement(jsonWriter, itemName);
if (isDictionary)
{
jsonDataContract.WriteJsonValue(jsonWriter, current, context, collectionContract.ItemType.TypeHandle);
}
else
{
_reflectionClassWriter.ReflectionWriteValue(jsonWriter, context, elementType, current, false, primitiveContractForParamType: null);
}
_reflectionClassWriter.ReflectionWriteEndElement(jsonWriter);
}
}
}
}
}
//Deserialize '[...]' json string. The contents of the list can also be a dictionary i.e. [{...}]. The content type is detected
//based on the type of CollectionDataContract.ItemContract.
public static object ConvertICollectionToCollectionDataContract(DataContractJsonSerializer serializer, CollectionDataContract contract, object deserializedValue, XmlObjectSerializerReadContextComplexJson context)
{
Dictionary <string, object> valueAsDictionary = deserializedValue as Dictionary <string, object>;
//Check to see if the dictionary (if it is a dictionary)is a regular Dictionary i.e { Key="key"; Value="value} and doesnt contain the __type string
//for ex. the dictionary { __type="XXX"; Key="key"; Value="value} needs to be parsed as ClassDataContract
if (valueAsDictionary != null && (!valueAsDictionary.ContainsKey(JsonGlobals.KeyString) || valueAsDictionary.ContainsKey(JsonGlobals.ServerTypeString)))
{
//If not then its a dictionary for either of these cases
//1. Empty object - {}
//2. Containes the __type information
//3. Is a DateTimeOffsetDictionary
return(ConvertDictionary(serializer, contract, valueAsDictionary, context));
}
object returnValue = (contract.Constructor != null) ? contract.Constructor.Invoke(Globals.EmptyTypeArray) : null;
bool isCollectionDataContractDictionary = contract.IsDictionary;
MethodInfo addMethod = contract.AddMethod;
bool convertToArray = contract.Kind == CollectionKind.Array;
if (contract.UnderlyingType.GetTypeInfo().IsInterface || returnValue == null)
{
switch (contract.Kind)
{
case CollectionKind.Collection:
case CollectionKind.GenericCollection:
case CollectionKind.Enumerable:
case CollectionKind.GenericEnumerable:
case CollectionKind.List:
case CollectionKind.GenericList:
case CollectionKind.Array:
if (contract.UnderlyingType.GetTypeInfo().IsValueType)
{
//Initialize struct
returnValue = XmlFormatReaderGenerator.TryGetUninitializedObjectWithFormatterServices(contract.UnderlyingType);
}
else
{
returnValue = Activator.CreateInstance(Globals.TypeOfListGeneric.MakeGenericType(contract.ItemType));
convertToArray = true;
}
break;
case CollectionKind.GenericDictionary:
returnValue = Activator.CreateInstance(Globals.TypeOfDictionaryGeneric.MakeGenericType(contract.ItemType.GetGenericArguments()));
break;
case CollectionKind.Dictionary:
returnValue = Activator.CreateInstance(Globals.TypeOfDictionaryGeneric.MakeGenericType(Globals.TypeOfObject, Globals.TypeOfObject));
break;
}
}
if (addMethod == null)
{
//addMethod is null for IDictionary, IList and array types.
Type[] paramArray = (contract.ItemType.GetTypeInfo().IsGenericType&& !convertToArray) ? contract.ItemType.GetGenericArguments() : new Type[] { contract.ItemType };
addMethod = returnValue.GetType().GetMethod(Globals.AddMethodName, paramArray);
}
IEnumerator enumerator = ((ICollection)deserializedValue).GetEnumerator();
object currentItem = null;
object[] currentItemArray = null;
while (enumerator.MoveNext())
{
DataContract itemContract = contract.ItemContract;
if (itemContract is ClassDataContract)
{
itemContract = XmlObjectSerializerWriteContextComplexJson.GetRevisedItemContract(itemContract);
}
currentItem = serializer.ConvertObjectToDataContract(itemContract, enumerator.Current, context);
currentItemArray = new object[] { currentItem };
if (isCollectionDataContractDictionary)
{
Type currentItemType = currentItem.GetType();
MemberInfo keyMember = currentItemType.GetMember("Key")[0];
MemberInfo valueMember = currentItemType.GetMember("Value")[0];
currentItemArray = new object[] { DataContractToObjectConverter.GetMemberValue(currentItem, keyMember, currentItemType), DataContractToObjectConverter.GetMemberValue(currentItem, valueMember, currentItemType) };
}
addMethod.Invoke(returnValue, currentItemArray);
}
return((convertToArray) ? ConvertToArray(contract.ItemType, (ICollection)returnValue) : returnValue);
}
void WriteCollection(CollectionDataContract collectionContract)
{
XmlDictionaryString itemName = context.CollectionItemName;
if (collectionContract.Kind == CollectionKind.Array)
{
Type itemType = collectionContract.ItemType;
int i;
// This check does not exist in the original dynamic code,
// but there is no other way to check type mismatch.
// CollectionSerialization.ArrayContract() shows that it is required.
if (objLocal.GetType().GetElementType() != itemType)
{
throw new InvalidCastException(string.Format("Cannot cast array of {0} to array of {1}", objLocal.GetType().GetElementType(), itemType));
}
context.IncrementArrayCount(writer, (Array)objLocal);
if (!TryWritePrimitiveArray(collectionContract.UnderlyingType, itemType, () => objLocal, itemName))
{
WriteArrayAttribute();
var arr = (Array)objLocal;
var idx = new int [1];
for (i = 0; i < arr.Length; i++)
{
if (!TryWritePrimitive(itemType, null, null, i, itemName, 0))
{
WriteStartElement(itemName, 0);
idx [0] = i;
var mbrVal = arr.GetValue(idx);
WriteValue(itemType, mbrVal);
WriteEndElement();
}
}
}
}
else
{
// This check does not exist in the original dynamic code,
// but there is no other way to check type mismatch.
// CollectionSerialization.ArrayContract() shows that it is required.
if (!collectionContract.UnderlyingType.IsAssignableFrom(objLocal.GetType()))
{
throw new InvalidCastException(string.Format("Cannot cast {0} to {1}", objLocal.GetType(), collectionContract.UnderlyingType));
}
MethodInfo incrementCollectionCountMethod = null;
switch (collectionContract.Kind)
{
case CollectionKind.Collection:
case CollectionKind.List:
case CollectionKind.Dictionary:
incrementCollectionCountMethod = XmlFormatGeneratorStatics.IncrementCollectionCountMethod;
break;
case CollectionKind.GenericCollection:
case CollectionKind.GenericList:
incrementCollectionCountMethod = XmlFormatGeneratorStatics.IncrementCollectionCountGenericMethod.MakeGenericMethod(collectionContract.ItemType);
break;
case CollectionKind.GenericDictionary:
incrementCollectionCountMethod = XmlFormatGeneratorStatics.IncrementCollectionCountGenericMethod.MakeGenericMethod(Globals.TypeOfKeyValuePair.MakeGenericType(collectionContract.ItemType.GetGenericArguments()));
break;
}
if (incrementCollectionCountMethod != null)
{
incrementCollectionCountMethod.Invoke(context, new object [] { writer, objLocal });
}
bool isDictionary = false, isGenericDictionary = false;
Type enumeratorType = null;
Type [] keyValueTypes = null;
if (collectionContract.Kind == CollectionKind.GenericDictionary)
{
isGenericDictionary = true;
keyValueTypes = collectionContract.ItemType.GetGenericArguments();
enumeratorType = Globals.TypeOfGenericDictionaryEnumerator.MakeGenericType(keyValueTypes);
}
else if (collectionContract.Kind == CollectionKind.Dictionary)
{
isDictionary = true;
keyValueTypes = new Type[] { Globals.TypeOfObject, Globals.TypeOfObject };
enumeratorType = Globals.TypeOfDictionaryEnumerator;
}
else
{
enumeratorType = collectionContract.GetEnumeratorMethod.ReturnType;
}
MethodInfo moveNextMethod = enumeratorType.GetMethod(Globals.MoveNextMethodName, BindingFlags.Instance | BindingFlags.Public, null, Globals.EmptyTypeArray, null);
MethodInfo getCurrentMethod = enumeratorType.GetMethod(Globals.GetCurrentMethodName, BindingFlags.Instance | BindingFlags.Public, null, Globals.EmptyTypeArray, null);
if (moveNextMethod == null || getCurrentMethod == null)
{
if (enumeratorType.IsInterface)
{
if (moveNextMethod == null)
{
moveNextMethod = JsonFormatGeneratorStatics.MoveNextMethod;
}
if (getCurrentMethod == null)
{
getCurrentMethod = JsonFormatGeneratorStatics.GetCurrentMethod;
}
}
else
{
Type ienumeratorInterface = Globals.TypeOfIEnumerator;
CollectionKind kind = collectionContract.Kind;
if (kind == CollectionKind.GenericDictionary || kind == CollectionKind.GenericCollection || kind == CollectionKind.GenericEnumerable)
{
Type[] interfaceTypes = enumeratorType.GetInterfaces();
foreach (Type interfaceType in interfaceTypes)
{
if (interfaceType.IsGenericType &&
interfaceType.GetGenericTypeDefinition() == Globals.TypeOfIEnumeratorGeneric &&
interfaceType.GetGenericArguments()[0] == collectionContract.ItemType)
{
ienumeratorInterface = interfaceType;
break;
}
}
}
if (moveNextMethod == null)
{
moveNextMethod = CollectionDataContract.GetTargetMethodWithName(Globals.MoveNextMethodName, enumeratorType, ienumeratorInterface);
}
if (getCurrentMethod == null)
{
getCurrentMethod = CollectionDataContract.GetTargetMethodWithName(Globals.GetCurrentMethodName, enumeratorType, ienumeratorInterface);
}
}
}
Type elementType = getCurrentMethod.ReturnType;
object currentValue = null; // of elementType
var enumerator = (IEnumerator)collectionContract.GetEnumeratorMethod.Invoke(objLocal, new object [0]);
if (isDictionary)
{
ConstructorInfo dictEnumCtor = enumeratorType.GetConstructor(Globals.ScanAllMembers, null, new Type[] { Globals.TypeOfIDictionaryEnumerator }, null);
enumerator = (IEnumerator)dictEnumCtor.Invoke(new object [] { enumerator });
}
else if (isGenericDictionary)
{
Type ctorParam = Globals.TypeOfIEnumeratorGeneric.MakeGenericType(Globals.TypeOfKeyValuePair.MakeGenericType(keyValueTypes));
ConstructorInfo dictEnumCtor = enumeratorType.GetConstructor(Globals.ScanAllMembers, null, new Type[] { ctorParam }, null);
enumerator = (IEnumerator)Activator.CreateInstance(enumeratorType, new object [] { enumerator });
}
bool canWriteSimpleDictionary = isDictionary || isGenericDictionary;
bool writeSimpleDictionary = canWriteSimpleDictionary && context.UseSimpleDictionaryFormat;
PropertyInfo genericDictionaryKeyProperty = null, genericDictionaryValueProperty = null;
if (canWriteSimpleDictionary)
{
Type genericDictionaryKeyValueType = Globals.TypeOfKeyValue.MakeGenericType(keyValueTypes);
genericDictionaryKeyProperty = genericDictionaryKeyValueType.GetProperty(JsonGlobals.KeyString);
genericDictionaryValueProperty = genericDictionaryKeyValueType.GetProperty(JsonGlobals.ValueString);
}
if (writeSimpleDictionary)
{
WriteObjectAttribute();
object key, value;
var empty_args = new object [0];
while ((bool)moveNextMethod.Invoke(enumerator, empty_args))
{
currentValue = getCurrentMethod.Invoke(enumerator, empty_args);
key = CodeInterpreter.GetMember(genericDictionaryKeyProperty, currentValue);
value = CodeInterpreter.GetMember(genericDictionaryValueProperty, currentValue);
WriteStartElement(key, 0 /*nameIndex*/);
WriteValue(genericDictionaryValueProperty.PropertyType, value);
WriteEndElement();
}
}
else
{
WriteArrayAttribute();
var emptyArray = new object [0];
while (enumerator != null && enumerator.MoveNext())
{
currentValue = getCurrentMethod.Invoke(enumerator, emptyArray);
if (incrementCollectionCountMethod == null)
{
XmlFormatGeneratorStatics.IncrementItemCountMethod.Invoke(context, new object [] { 1 });
}
if (!TryWritePrimitive(elementType, () => currentValue, null, null, itemName, 0))
{
WriteStartElement(itemName, 0);
if (isGenericDictionary || isDictionary)
{
var jc = JsonDataContract.GetJsonDataContract(XmlObjectSerializerWriteContextComplexJson.GetRevisedItemContract(
collectionDataContract.ItemContract));
// FIXME: this TypeHandle might be wrong; there is no easy way to get Type for currentValue though.
DataContractJsonSerializer.WriteJsonValue(jc, writer, currentValue, context, currentValue.GetType().TypeHandle);
}
else
{
WriteValue(elementType, currentValue);
}
WriteEndElement();
}
}
}
}
}
