private string ConvertToEscapedUriValue(string paramName, object value)
{
Debug.Assert(!string.IsNullOrEmpty(paramName), "!string.IsNullOrEmpty(paramName)");
Object valueInODataFormat = null;
// Literal values with single quotes need special escaping due to System.Uri changes in behavior between .NET 4.0 and 4.5.
// We need to ensure that our escaped values do not change between those versions, so we need to escape values differently when they could contain single quotes.
bool needsSpecialEscaping = false;
if (value == null)
{
needsSpecialEscaping = true;
}
else
{
if (value is ODataNullValue)
{
valueInODataFormat = value;
needsSpecialEscaping = true;
}
else
{
ClientEdmModel model = this.requestInfo.Model;
IEdmType edmType = model.GetOrCreateEdmType(value.GetType());
Debug.Assert(edmType != null, "edmType != null");
switch (edmType.TypeKind)
{
case EdmTypeKind.Primitive:
valueInODataFormat = value;
needsSpecialEscaping = true;
break;
case EdmTypeKind.Enum:
{
ClientTypeAnnotation typeAnnotation = model.GetClientTypeAnnotation(edmType);
string typeNameInEdm = this.requestInfo.GetServerTypeName(model.GetClientTypeAnnotation(edmType));
MemberInfo member = typeAnnotation.ElementType.GetMember(value.ToString()).FirstOrDefault();
if (member == null)
{
throw new NotSupportedException(Strings.Serializer_InvalidEnumMemberValue(typeAnnotation.ElementType.Name, value.ToString()));
}
string memberValue = ClientTypeUtil.GetServerDefinedName(member);
valueInODataFormat = new ODataEnumValue(memberValue, typeNameInEdm ?? typeAnnotation.ElementTypeName);
needsSpecialEscaping = true;
}
break;
case EdmTypeKind.Complex:
{
ClientTypeAnnotation typeAnnotation = model.GetClientTypeAnnotation(edmType);
Debug.Assert(typeAnnotation != null, "typeAnnotation != null");
valueInODataFormat = this.propertyConverter.CreateODataComplexValue(typeAnnotation.ElementType, value, null /*propertyName*/, false /*isCollectionItemType*/, null /*visitedComplexTypeObjects*/);
// When using JsonVerbose to format query string parameters for Actions,
// we cannot write out Complex values in the URI without the type name of the complex type in the JSON payload.
// If this value is null, the client has to set the ResolveName property on the DataServiceContext instance.
ODataComplexValue complexValue = (ODataComplexValue)valueInODataFormat;
SerializationTypeNameAnnotation serializedTypeNameAnnotation = complexValue.GetAnnotation <SerializationTypeNameAnnotation>();
if (serializedTypeNameAnnotation == null || string.IsNullOrEmpty(serializedTypeNameAnnotation.TypeName))
{
throw Error.InvalidOperation(Strings.DataServiceException_GeneralError);
}
}
break;
case EdmTypeKind.Collection:
IEdmCollectionType edmCollectionType = edmType as IEdmCollectionType;
Debug.Assert(edmCollectionType != null, "edmCollectionType != null");
IEdmTypeReference itemTypeReference = edmCollectionType.ElementType;
Debug.Assert(itemTypeReference != null, "itemTypeReference != null");
ClientTypeAnnotation itemTypeAnnotation = model.GetClientTypeAnnotation(itemTypeReference.Definition);
Debug.Assert(itemTypeAnnotation != null, "itemTypeAnnotation != null");
switch (itemTypeAnnotation.EdmType.TypeKind)
{
// We only support primitive, Enum or complex type as a collection item type.
case EdmTypeKind.Primitive:
case EdmTypeKind.Enum:
case EdmTypeKind.Complex:
break;
default:
throw new NotSupportedException(Strings.Serializer_InvalidCollectionParamterItemType(paramName, itemTypeAnnotation.EdmType.TypeKind));
}
valueInODataFormat = this.propertyConverter.CreateODataCollection(
itemTypeAnnotation.ElementType,
null /*propertyName*/,
value,
null /*visitedComplexTypeObjects*/);
break;
default:
// EdmTypeKind.Entity
// EdmTypeKind.Row
// EdmTypeKind.EntityReference
throw new NotSupportedException(Strings.Serializer_InvalidParameterType(paramName, edmType.TypeKind));
}
}
Debug.Assert(valueInODataFormat != null, "valueInODataFormat != null");
}
// When calling Execute() to invoke an Action, the client doesn't support parsing the target url
// to determine which IEdmOperationImport to pass to the ODL writer. So the ODL writer is
// serializing the parameter payload without metadata. Setting the model to null so ODL doesn't
// do unecessary validations when writing without metadata.
string literal = ODataUriUtils.ConvertToUriLiteral(valueInODataFormat, CommonUtil.ConvertToODataVersion(this.requestInfo.MaxProtocolVersionAsVersion), null /* edmModel */);
// The value from ConvertToUriValue will not be escaped, but will already contain literal delimiters like single quotes, so we
// need to use our own escape method that will preserve those characters instead of directly calling Uri.EscapeDataString that may escape them.
// This is only necessary for primitives and nulls because the other structures are serialized using the JSON format and it uses double quotes
// which have always been escaped.
if (needsSpecialEscaping)
{
return(DataStringEscapeBuilder.EscapeDataString(literal));
}
return(Uri.EscapeDataString(literal));
}
/// <summary>
/// Gets vocabulary annotation that binds to a term and a qualifier from the metadata annotation dictionary in current data service context for a specified propertyInfo.
/// </summary>
/// <param name="context">The data service context.</param>
/// <param name="propertyInfo">The specified annotated propertyInfo.</param>
/// <param name="term">The term name.</param>
/// <param name="qualifier">The qualifier name.</param>
/// <returns>The vacabulary annotation that binds to a term and a qualifier for the specified annotated propertyInfo.</returns>
private static IEdmValueAnnotation GetOrInsertCachedMetadataAnnotationForPropertyInfo(DataServiceContext context, PropertyInfo propertyInfo, string term, string qualifier)
{
var serviceModel = context.Format.ServiceModel;
if (serviceModel == null)
{
return(null);
}
IEdmValueAnnotation edmValueAnnotation = GetCachedMetadataAnnotation(context, propertyInfo, term, qualifier);
if (edmValueAnnotation != null)
{
return(edmValueAnnotation);
}
var severSidePropertyName = ClientTypeUtil.GetServerDefinedName(propertyInfo);
if (string.IsNullOrEmpty(severSidePropertyName))
{
return(null);
}
var declaringType = propertyInfo.DeclaringType;
IEnumerable <IEdmValueAnnotation> edmValueAnnotations = null;
if (declaringType.IsSubclassOf(typeof(DataServiceContext)))
{
var entityContainer = serviceModel.EntityContainer;
var edmEntityContainerElements = entityContainer.Elements.Where(e => e.Name == severSidePropertyName);
if (edmEntityContainerElements != null && edmEntityContainerElements.Count() == 1)
{
edmValueAnnotations = serviceModel.FindVocabularyAnnotations <IEdmValueAnnotation>(
edmEntityContainerElements.Single(), term, qualifier).Where(a => a.Qualifier == qualifier);
}
}
else
{
var serversideTypeName = context.ResolveName == null ? declaringType.FullName : context.ResolveName(declaringType);
var edmType = serviceModel.FindDeclaredType(serversideTypeName);
if (edmType != null)
{
var edmStructuredType = edmType as IEdmStructuredType;
if (edmStructuredType != null)
{
var edmProperty = edmStructuredType.FindProperty(severSidePropertyName);
if (edmProperty != null)
{
edmValueAnnotations = serviceModel.FindVocabularyAnnotations <IEdmValueAnnotation>(
edmProperty, term, qualifier).Where(a => a.Qualifier == qualifier);
}
}
}
}
if (edmValueAnnotations != null && edmValueAnnotations.Count() == 1)
{
edmValueAnnotation = edmValueAnnotations.Single();
InsertMetadataAnnotation(context, propertyInfo, edmValueAnnotation);
return(edmValueAnnotation);
}
return(null);
}
/// <summary>
/// QueryableResourceExpression visit method.
/// </summary>
/// <param name="rse">QueryableResourceExpression expression to visit</param>
/// <returns>Visited QueryableResourceExpression expression</returns>
internal override Expression VisitQueryableResourceExpression(QueryableResourceExpression rse)
{
if ((ResourceExpressionType)rse.NodeType == ResourceExpressionType.ResourceNavigationProperty)
{
if (rse.IsOperationInvocation && !(rse.Source is QueryableResourceExpression))
{
var normalizerRewrites = new Dictionary <Expression, Expression>(ReferenceEqualityComparer <Expression> .Instance);
var e = Evaluator.PartialEval(rse.Source);
e = ExpressionNormalizer.Normalize(e, normalizerRewrites);
e = ResourceBinder.Bind(e, this.context);
this.Visit(e);
}
else
{
this.Visit(rse.Source);
}
this.uriBuilder.Append(UriHelper.FORWARDSLASH).Append(this.ExpressionToString(rse.MemberExpression, /*inPath*/ true));
}
else if (rse.MemberExpression != null)
{
// this is a resource set expression
// we should be at the very beginning of
// the URI
Debug.Assert(this.uriBuilder.Length == 0, "The builder is not empty while we are adding a resourceset");
string entitySetName = (String)((ConstantExpression)rse.MemberExpression).Value;
this.uriBuilder.Append(this.context.BaseUriResolver.GetEntitySetUri(entitySetName));
}
else
{
this.uriBuilder.Append(this.context.BaseUriResolver.BaseUriOrNull);
}
WebUtil.RaiseVersion(ref this.uriVersion, rse.UriVersion);
if (rse.ResourceTypeAs != null)
{
this.uriBuilder.Append(UriHelper.FORWARDSLASH);
UriHelper.AppendTypeSegment(this.uriBuilder, rse.ResourceTypeAs, this.context, /*inPath*/ true, ref this.uriVersion);
}
if (rse.KeyPredicateConjuncts.Count > 0)
{
this.context.UrlKeyDelimiter.AppendKeyExpression(rse.GetKeyProperties(), kvp => ClientTypeUtil.GetServerDefinedName(kvp.Key), kvp => kvp.Value.Value, this.uriBuilder);
}
if (rse.IsOperationInvocation)
{
this.VisitOperationInvocation(rse);
}
if (rse.CountOption == CountOption.CountSegment)
{
// append $count segment: /$count
this.uriBuilder.Append(UriHelper.FORWARDSLASH).Append(UriHelper.DOLLARSIGN).Append(UriHelper.COUNT);
}
this.VisitQueryOptions(rse);
return(rse);
}
/// <summary>
/// Get Edm operation according to the MethodInfo from current data service context.
/// </summary>
/// <param name="context">The data service context.</param>
/// <param name="methodInfo">The specified MethodInfo</param>
/// <returns>The related <see cref="IEdmOperation"/> will be returned if it is found, or return null.</returns>
internal static IEdmOperation GetEdmOperation(DataServiceContext context, MethodInfo methodInfo)
{
var serviceModel = context.Format.ServiceModel;
if (serviceModel == null)
{
return(null);
}
var parameterTypes = methodInfo.GetParameters().Select(p => p.ParameterType).ToArray();
Type bindingType = null;
IEnumerable <Type> clientParameters;
if (methodInfo.IsDefined(typeof(ExtensionAttribute), false))
{
bindingType = parameterTypes.First();
clientParameters = parameterTypes.Skip(1);
}
else
{
bindingType = methodInfo.DeclaringType;
clientParameters = parameterTypes;
}
var declaringType = methodInfo.DeclaringType;
string methodInfoNameSpacePrefix = declaringType.Namespace + ".";
if (context.ResolveName != null)
{
string serverSideDeclaringTypeName = context.ResolveName(declaringType);
if (serverSideDeclaringTypeName != null)
{
int index = serverSideDeclaringTypeName.LastIndexOf('.');
methodInfoNameSpacePrefix = index > 0 ? serverSideDeclaringTypeName.Substring(0, index + 1) : "";
}
}
var serverSideMethodName = ClientTypeUtil.GetServerDefinedName(methodInfo);
var operations = serviceModel.FindOperations(methodInfoNameSpacePrefix + serverSideMethodName).Where(o => o.IsBound);
while (bindingType != null)
{
foreach (var operation in operations)
{
Type bindingTypeFromTypeReference;
if (TryGetClrTypeFromEdmTypeReference(
context,
operation.Parameters.First().Type,
methodInfo.IsDefined(typeof(ExtensionAttribute), false),
out bindingTypeFromTypeReference) &&
bindingTypeFromTypeReference == bindingType &&
clientParameters.SequenceEqual(GetNonBindingParameterTypeArray(context, operation.Parameters, true)))
{
return(operation);
}
}
if (methodInfo.IsDefined(typeof(ExtensionAttribute), false) && bindingType.IsGenericType())
{
var genericTypeDefinition = bindingType.GetGenericTypeDefinition();
var genericArguments = bindingType.GetGenericArguments().ToList();
if (genericArguments.Count == 1)
{
var genericArgumentBaseType = genericArguments[0].GetBaseType();
if (genericArgumentBaseType != null)
{
bindingType = genericTypeDefinition.MakeGenericType(genericArgumentBaseType);
continue;
}
}
}
return(null);
}
return(null);
}
/// <summary>
/// MethodCallExpression visit method
/// </summary>
/// <param name="m">The MethodCallExpression expression to visit</param>
/// <returns>The visited MethodCallExpression expression </returns>
internal override Expression VisitMethodCall(MethodCallExpression m)
{
string methodName;
if (TypeSystem.TryGetQueryOptionMethod(m.Method, out methodName))
{
this.builder.Append(methodName);
this.builder.Append(UriHelper.LEFTPAREN);
// There is a single function, 'contains', which reorders its argument with
// respect to the CLR method. Thus handling it as a special case rather than
// using a more general argument reordering mechanism.
if (methodName == "contains")
{
Debug.Assert(m.Method.Name == "Contains", "m.Method.Name == 'Contains'");
Debug.Assert(m.Object != null, "m.Object != null");
Debug.Assert(m.Arguments.Count == 1, "m.Arguments.Count == 1");
this.Visit(m.Object);
this.builder.Append(UriHelper.COMMA);
this.Visit(m.Arguments[0]);
}
else
{
if (m.Object != null)
{
this.Visit(m.Object);
}
if (m.Arguments.Count > 0)
{
if (m.Object != null)
{
this.builder.Append(UriHelper.COMMA);
}
for (int ii = 0; ii < m.Arguments.Count; ii++)
{
this.Visit(m.Arguments[ii]);
if (ii < m.Arguments.Count - 1)
{
this.builder.Append(UriHelper.COMMA);
}
}
}
}
this.builder.Append(UriHelper.RIGHTPAREN);
}
else if (m.Method.Name == "HasFlag")
{
Debug.Assert(m.Method.Name == "HasFlag", "m.Method.Name == 'HasFlag'");
Debug.Assert(m.Object != null, "m.Object != null");
Debug.Assert(m.Arguments.Count == 1, "m.Arguments.Count == 1");
this.Visit(m.Object);
this.builder.Append(UriHelper.SPACE);
this.builder.Append(UriHelper.HAS);
this.builder.Append(UriHelper.SPACE);
this.Visit(m.Arguments[0]);
}
else
{
SequenceMethod sequenceMethod;
if (ReflectionUtil.TryIdentifySequenceMethod(m.Method, out sequenceMethod))
{
if (ReflectionUtil.IsAnyAllMethod(sequenceMethod))
{
// Raise the uriVersion each time we write any or all methods to the uri.
WebUtil.RaiseVersion(ref this.uriVersion, Util.ODataVersion4);
this.Visit(m.Arguments[0]);
this.builder.Append(UriHelper.FORWARDSLASH);
if (sequenceMethod == SequenceMethod.All)
{
this.builder.Append(XmlConstants.AllMethodName);
}
else
{
this.builder.Append(XmlConstants.AnyMethodName);
}
this.builder.Append(UriHelper.LEFTPAREN);
if (sequenceMethod != SequenceMethod.Any)
{
// SequenceMethod.Any represents Enumerable.Any(), which has only source argument
// AnyPredicate and All has a second parameter which is the predicate lambda.
Debug.Assert(m.Arguments.Count == 2, "m.Arguments.Count() == 2");
LambdaExpression le = (LambdaExpression)m.Arguments[1];
string rangeVariable = le.Parameters[0].Name;
this.builder.Append(rangeVariable);
this.builder.Append(UriHelper.COLON);
this.scopeCount++;
this.Visit(le.Body);
this.scopeCount--;
}
this.builder.Append(UriHelper.RIGHTPAREN);
return(m);
}
else if (sequenceMethod == SequenceMethod.OfType && this.parent != null)
{
// check to see if this is an OfType filter for Any or All.
// e.g. ctx.CreateQuery<Movie>("Movies").Where(m=>m.Actors.OfType<MegaStar>().Any())
// which translates to /Movies()?$filter=Actors/MegaStar/any()
MethodCallExpression mce = this.parent as MethodCallExpression;
if (mce != null && ReflectionUtil.TryIdentifySequenceMethod(mce.Method, out sequenceMethod) && ReflectionUtil.IsAnyAllMethod(sequenceMethod))
{
Type filteredType = mce.Method.GetGenericArguments().SingleOrDefault();
if (ClientTypeUtil.TypeOrElementTypeIsEntity(filteredType))
{
this.Visit(m.Arguments[0]);
this.builder.Append(UriHelper.FORWARDSLASH);
UriHelper.AppendTypeSegment(this.builder, filteredType, this.context, this.inPath, ref this.uriVersion);
return(m);
}
}
}
else if (sequenceMethod == SequenceMethod.Count && this.parent != null)
{
if (m.Arguments.Any() && m.Arguments[0] != null)
{
this.Visit(m.Arguments[0]);
}
this.builder.Append(UriHelper.FORWARDSLASH).Append(UriHelper.DOLLARSIGN).Append(UriHelper.COUNT);
return(m);
}
}
else
{
if (m.Object != null)
{
this.Visit(m.Object);
}
if (m.Method.Name != "GetValue" && m.Method.Name != "GetValueAsync")
{
this.builder.Append(UriHelper.FORWARDSLASH);
// writing functions in query options
writingFunctionsInQuery = true;
string declaringType = this.context.ResolveNameFromTypeInternal(m.Method.DeclaringType);
if (string.IsNullOrEmpty(declaringType))
{
throw new NotSupportedException(Strings.ALinq_CantTranslateExpression(m.ToString()));
}
int index = declaringType.LastIndexOf('.');
string fullNamespace = declaringType.Remove(index + 1);
string serverMethodName = ClientTypeUtil.GetServerDefinedName(m.Method);
this.builder.Append(fullNamespace + serverMethodName);
this.builder.Append(UriHelper.LEFTPAREN);
string[] argumentNames = m.Method.GetParameters().Select(p => p.Name).ToArray();
for (int i = 0; i < m.Arguments.Count; ++i)
{
this.builder.Append(argumentNames[i]);
this.builder.Append(UriHelper.EQUALSSIGN);
this.scopeCount++;
this.Visit(m.Arguments[i]);
this.scopeCount--;
this.builder.Append(UriHelper.COMMA);
}
if (m.Arguments.Any())
{
this.builder.Remove(this.builder.Length - 1, 1);
}
this.builder.Append(UriHelper.RIGHTPAREN);
writingFunctionsInQuery = false;
}
return(m);
}
this.cantTranslateExpression = true;
}
return(m);
}
/// <summary>
/// ConstantExpression visit method
/// </summary>
/// <param name="c">The ConstantExpression expression to visit</param>
/// <returns>The visited ConstantExpression expression </returns>
internal override Expression VisitConstant(ConstantExpression c)
{
if (c.Value == null)
{
this.builder.Append(UriHelper.NULL);
return(c);
}
// DEVNOTE:
// Rather than forcing every other codepath to have the 'Try...' pattern for formatting,
// we catch the InvalidOperationException here to change the exception type.
// This is exceedingly rare, and not a scenario where performance is meaningful, so the
// reduced complexity in all other call sites is worth the extra logic here.
string result;
BinaryExpression b = this.parent as BinaryExpression;
MethodCallExpression m = this.parent as MethodCallExpression;
if ((b != null && HasEnumInBinaryExpression(b)) || (m != null && m.Method.Name == "HasFlag"))
{
c = this.ConvertConstantExpressionForEnum(c);
ClientEdmModel model = this.context.Model;
IEdmType edmType = model.GetOrCreateEdmType(c.Type.IsEnum() ? c.Type : c.Type.GetGenericArguments()[0]);
ClientTypeAnnotation typeAnnotation = model.GetClientTypeAnnotation(edmType);
string typeNameInEdm = this.context.ResolveNameFromTypeInternal(typeAnnotation.ElementType);
MemberInfo member = typeAnnotation.ElementType.GetField(c.Value.ToString());
string memberValue = ClientTypeUtil.GetServerDefinedName(member);
ODataEnumValue enumValue = new ODataEnumValue(memberValue, typeNameInEdm ?? typeAnnotation.ElementTypeName);
result = ODataUriUtils.ConvertToUriLiteral(enumValue, CommonUtil.ConvertToODataVersion(this.uriVersion), null);
}
else if (m != null && ReflectionUtil.IsSequenceMethod(m.Method, SequenceMethod.Contains))
{
StringBuilder listExpr = new StringBuilder();
ODataVersion version = CommonUtil.ConvertToODataVersion(this.uriVersion);
foreach (object item in (IEnumerable)c.Value)
{
if (listExpr.Length != 0)
{
listExpr.Append(UriHelper.COMMA);
}
string uriLiteral = ODataUriUtils.ConvertToUriLiteral(item, version);
listExpr.Append(uriLiteral);
}
// Contains cannot be used with an empty static collection
if (listExpr.Length == 0)
{
throw new InvalidOperationException(Strings.ALinq_ContainsNotValidOnEmptyCollection);
}
listExpr.Insert(0, UriHelper.LEFTPAREN);
listExpr.Append(UriHelper.RIGHTPAREN);
result = listExpr.ToString();
}
else
{
try
{
result = LiteralFormatter.ForConstants.Format(c.Value);
}
catch (InvalidOperationException)
{
if (this.cantTranslateExpression)
{
// there's already a problem in the parents.
// we should just return here, because caller somewhere up the stack will throw a better exception
return(c);
}
throw new NotSupportedException(Strings.ALinq_CouldNotConvert(c.Value));
}
}
Debug.Assert(result != null, "result != null");
this.builder.Append(result);
return(c);
}
/// <summary>
/// Creates and returns an ODataCollectionValue from the given value.
/// </summary>
/// <param name="collectionItemType">The type of the value.</param>
/// <param name="propertyName">If the value is a property, then it represents the name of the property. Can be null, for non-property.</param>
/// <param name="value">The value.</param>
/// <param name="visitedComplexTypeObjects">Set of instances of complex types encountered in the hierarchy. Used to detect cycles.</param>
/// <returns>An ODataCollectionValue representing the given value.</returns>
internal ODataCollectionValue CreateODataCollection(Type collectionItemType, string propertyName, object value, HashSet <object> visitedComplexTypeObjects)
{
Debug.Assert(collectionItemType != null, "collectionItemType != null");
WebUtil.ValidateCollection(collectionItemType, value, propertyName);
PrimitiveType ptype;
bool isCollectionOfPrimitiveTypes = PrimitiveType.TryGetPrimitiveType(collectionItemType, out ptype);
ODataCollectionValue collection = new ODataCollectionValue();
IEnumerable enumerablePropertyValue = (IEnumerable)value;
string collectionItemTypeName;
string collectionTypeName;
if (isCollectionOfPrimitiveTypes)
{
collectionItemTypeName = ClientConvert.GetEdmType(Nullable.GetUnderlyingType(collectionItemType) ?? collectionItemType);
collection.Items = Util.GetEnumerable(
enumerablePropertyValue,
(val) =>
{
WebUtil.ValidateCollectionItem(val);
WebUtil.ValidatePrimitiveCollectionItem(val, propertyName, collectionItemType);
return(ConvertPrimitiveValueToRecognizedODataType(val, collectionItemType));
});
// TypeName for primitives should be the EDM name since that's what we will be able to look up in the model
collectionTypeName = collectionItemTypeName;
}
else
{
Type collectionItemTypeTmp = Nullable.GetUnderlyingType(collectionItemType) ?? collectionItemType;
bool areEnumItems = collectionItemTypeTmp.IsEnum;
// Note that the collectionItemTypeName will be null if the context does not have the ResolveName func.
collectionItemTypeName = this.requestInfo.ResolveNameFromType(collectionItemType);
collection.Items = Util.GetEnumerable(
enumerablePropertyValue,
(val) =>
{
if (areEnumItems)
{
if (val == null)
{
return(new ODataEnumValue(null, collectionItemType.FullName) as ODataValue);
}
MemberInfo member = collectionItemTypeTmp.GetMember(val.ToString()).FirstOrDefault();
if (member == null)
{
throw new NotSupportedException(Strings.Serializer_InvalidEnumMemberValue(collectionItemType.Name, value.ToString()));
}
string memberValue = ClientTypeUtil.GetServerDefinedName(member);
return(new ODataEnumValue(memberValue, collectionItemType.FullName) as ODataValue);
}
else
{
WebUtil.ValidateCollectionItem(val);
WebUtil.ValidateComplexCollectionItem(val, propertyName, collectionItemType);
return(this.CreateODataComplexValue(collectionItemType, val, propertyName, true /*isCollectionItem*/, visitedComplexTypeObjects)
as ODataValue);
}
});
// TypeName for complex types needs to be the client type name (not the one we resolved above) since it will be looked up in the client model
collectionTypeName = collectionItemType.FullName;
}
// Set the type name to use for client type lookups and validation. Because setting this value can cause validation to occur, we will
// only do it for JSON Light, in order to avoid breaking changes with the WCF Data Services 5.0 release, since it was already shipped without this.
if (!this.requestInfo.Format.UsingAtom)
{
collection.TypeName = GetCollectionName(collectionTypeName);
}
string wireTypeName = GetCollectionName(collectionItemTypeName);
collection.SetAnnotation(new SerializationTypeNameAnnotation {
TypeName = wireTypeName
});
return(collection);
}
/// <summary>
/// constructor
/// </summary>
/// <param name="edmProperty">Back reference to the EdmProperty this annotation is part of.</param>
/// <param name="propertyInfo">propertyInfo instance.</param>
/// <param name="model">The client model.</param>
internal ClientPropertyAnnotation(IEdmProperty edmProperty, PropertyInfo propertyInfo, ClientEdmModel model)
{
Debug.Assert(edmProperty != null, "edmProperty != null");
Debug.Assert(propertyInfo != null, "null propertyInfo");
// Property should always have DeclaringType
Debug.Assert(propertyInfo.DeclaringType != null, "Property without a declaring type");
this.EdmProperty = edmProperty;
this.PropertyName = ClientTypeUtil.GetServerDefinedName(propertyInfo);
this.PropertyInfo = propertyInfo;
this.NullablePropertyType = propertyInfo.PropertyType;
this.PropertyType = Nullable.GetUnderlyingType(this.NullablePropertyType) ?? this.NullablePropertyType;
this.DeclaringClrType = propertyInfo.DeclaringType;
MethodInfo propertyGetMethod = propertyInfo.GetGetMethod();
// Add the parameter to make set method is returned even it is not public. Portable lib does not support this.
#if PORTABLELIB
MethodInfo propertySetMethod = propertyInfo.GetSetMethod();
#else
MethodInfo propertySetMethod = propertyInfo.GetSetMethod(true);
#endif
ParameterExpression instance = Expression.Parameter(typeof(Object), "instance");
ParameterExpression value = Expression.Parameter(typeof(Object), "value");
// instance => (Object)(((T)instance).get_PropertyName()); <-- we need to box the value back to object to return
this.propertyGetter = propertyGetMethod == null ? null : (Func <object, object>)Expression.Lambda(
Expression.Convert(
Expression.Call(
Expression.Convert(instance, this.DeclaringClrType),
propertyGetMethod),
typeof(Object)),
instance).Compile();
// (instance, value) => ((T)instance).set_PropertyName((T1)value);
this.propertySetter = propertySetMethod == null ? null : (Action <object, object>)Expression.Lambda(
Expression.Call(
Expression.Convert(instance, this.DeclaringClrType),
propertySetMethod,
Expression.Convert(value, this.NullablePropertyType)),
instance,
value).Compile();
this.Model = model;
this.IsKnownType = PrimitiveType.IsKnownType(this.PropertyType);
// non primitive types: dictionary/collections
if (!this.IsKnownType)
{
var setMethodInfo = ClientTypeUtil.GetMethodForGenericType(this.PropertyType, typeof(IDictionary <,>), "set_Item", out this.DictionaryValueType);
if (setMethodInfo != null)
{
ParameterExpression propertyNameParam = Expression.Parameter(typeof(String), "propertyName");
// (instance, propertyName, value) => ((IDictionary<string, DictionaryValueType>)instance)[propertyName] = (DictionaryValueType)value;
this.dictionarySetter = (Action <Object, String, Object>)Expression.Lambda(
Expression.Call(
Expression.Convert(instance, typeof(IDictionary <,>).MakeGenericType(typeof(String), this.DictionaryValueType)),
setMethodInfo,
propertyNameParam,
Expression.Convert(value, this.DictionaryValueType)),
instance,
propertyNameParam,
value).Compile();
}
else
{
var containsMethod = ClientTypeUtil.GetMethodForGenericType(this.PropertyType, typeof(ICollection <>), "Contains", out this.collectionGenericType);
var addMethod = ClientTypeUtil.GetAddToCollectionMethod(this.PropertyType, out this.collectionGenericType);
var removeMethod = ClientTypeUtil.GetMethodForGenericType(this.PropertyType, typeof(ICollection <>), "Remove", out this.collectionGenericType);
var clearMethod = ClientTypeUtil.GetMethodForGenericType(this.PropertyType, typeof(ICollection <>), "Clear", out this.collectionGenericType);
// (instance, value) => ((PropertyType)instance).Contains((CollectionType)value); returns boolean
this.collectionContains = containsMethod == null ? null : (Func <Object, Object, Boolean>)Expression.Lambda(
Expression.Call(
Expression.Convert(instance, this.PropertyType),
containsMethod,
Expression.Convert(value, this.collectionGenericType)),
instance,
value).Compile();
// (instance, value) => ((PropertyType)instance).Add((CollectionType)value);
this.collectionAdd = addMethod == null ? null : (Action <Object, Object>)Expression.Lambda(
Expression.Call(
Expression.Convert(instance, this.PropertyType),
addMethod,
Expression.Convert(value, this.collectionGenericType)),
instance,
value).Compile();
// (instance, value) => ((PropertyType)instance).Remove((CollectionType)value); returns boolean
this.collectionRemove = removeMethod == null ? null : (Func <Object, Object, Boolean>)Expression.Lambda(
Expression.Call(
Expression.Convert(instance, this.PropertyType),
removeMethod,
Expression.Convert(value, this.collectionGenericType)),
instance,
value).Compile();
// (instance) => ((PropertyType)instance).Clear();
this.collectionClear = clearMethod == null ? null : (Action <Object>)Expression.Lambda(
Expression.Call(
Expression.Convert(instance, this.PropertyType),
clearMethod),
instance).Compile();
}
}
Debug.Assert(this.collectionGenericType == null || this.DictionaryValueType == null, "collectionGenericType and DictionaryItemType mutually exclusive. (They both can be null though).");
}