/// <summary>
/// Remove the Edm. prefix from the type name if it is primitive type.
/// </summary>
/// <param name="typeName">The type name to remove the Edm. prefix</param>
/// <returns>The type name without the Edm. Prefix</returns>
internal static string RemoveEdmPrefixFromTypeName(string typeName)
{
if (!string.IsNullOrEmpty(typeName))
{
string itemTypeName = EdmLibraryExtensions.GetCollectionItemTypeName(typeName);
if (itemTypeName == null)
{
IEdmSchemaType primitiveType = EdmLibraryExtensions.ResolvePrimitiveTypeName(typeName);
if (primitiveType != null)
{
return(primitiveType.ShortQualifiedName());
}
}
else
{
IEdmSchemaType primitiveType = EdmLibraryExtensions.ResolvePrimitiveTypeName(itemTypeName);
if (primitiveType != null)
{
return(EdmLibraryExtensions.GetCollectionTypeName(primitiveType.ShortQualifiedName()));
}
}
}
return(typeName);
}
/// <summary>
/// Prepare the type name for writing.
/// 1) If it is primitive type, remove the Edm. prefix.
/// 2) If it is a non-primitive type or 4.0, prefix with #.
/// </summary>
/// <param name="typeName">The type name to write</param>
/// <param name="version">OData Version of payload being written</param>
/// <returns>The type name for writing</returns>
internal static string PrefixTypeNameForWriting(string typeName, ODataVersion version)
{
if (!string.IsNullOrEmpty(typeName))
{
string itemTypeName = EdmLibraryExtensions.GetCollectionItemTypeName(typeName);
if (itemTypeName == null)
{
IEdmSchemaType primitiveType = EdmLibraryExtensions.ResolvePrimitiveTypeName(typeName);
if (primitiveType != null)
{
typeName = primitiveType.ShortQualifiedName();
return(version < ODataVersion.V401 ? PrefixTypeName(typeName) : typeName);
}
}
else
{
IEdmSchemaType primitiveType = EdmLibraryExtensions.ResolvePrimitiveTypeName(itemTypeName);
if (primitiveType != null)
{
typeName = EdmLibraryExtensions.GetCollectionTypeName(primitiveType.ShortQualifiedName());
return(version < ODataVersion.V401 ? PrefixTypeName(typeName) : typeName);
}
}
}
return(PrefixTypeName(typeName));
}
/// <summary>
/// Add the Edm. prefix to the primitive type if there isn't.
/// </summary>
/// <param name="typeName">The type name which may be not prefixed (Edm.).</param>
/// <returns>The type name with Edm. prefix</returns>
internal static string AddEdmPrefixOfTypeName(string typeName)
{
if (!string.IsNullOrEmpty(typeName))
{
string itemTypeName = EdmLibraryExtensions.GetCollectionItemTypeName(typeName);
if (itemTypeName == null)
{
// This is the primitive type
IEdmSchemaType primitiveType = EdmLibraryExtensions.ResolvePrimitiveTypeName(typeName);
if (primitiveType != null)
{
return(primitiveType.FullName());
}
}
else
{
// This is the collection type
IEdmSchemaType primitiveType = EdmLibraryExtensions.ResolvePrimitiveTypeName(itemTypeName);
if (primitiveType != null)
{
return(EdmLibraryExtensions.GetCollectionTypeName(primitiveType.FullName()));
}
}
}
// Return the origin type name
return(typeName);
}
internal static IEdmType ResolveTypeName(
IEdmModel model,
IEdmType expectedType,
string typeName,
Func <IEdmType, string, IEdmType> customTypeResolver,
ODataVersion version,
out EdmTypeKind typeKind)
{
Debug.Assert(model != null, "model != null");
Debug.Assert(typeName != null, "typeName != null");
IEdmType resolvedType = null;
// Collection types should only be recognized in V3 and higher.
string itemTypeName = EdmLibraryExtensions.GetCollectionItemTypeName(typeName);
if (itemTypeName == null)
{
// Note: we require the type resolver or the model to also resolve
// primitive types.
if (customTypeResolver != null && model.IsUserModel())
{
resolvedType = customTypeResolver(expectedType, typeName);
if (resolvedType == null)
{
// If a type resolver is specified it must never return null.
throw new ODataException(Strings.MetadataUtils_ResolveTypeName(typeName));
}
}
else
{
resolvedType = model.FindType(typeName);
}
typeKind = resolvedType == null ? EdmTypeKind.None : resolvedType.TypeKind;
}
else
{
// Collection
typeKind = EdmTypeKind.Collection;
EdmTypeKind itemTypeKind;
IEdmType expectedItemType = null;
if (customTypeResolver != null && expectedType != null && expectedType.TypeKind == EdmTypeKind.Collection)
{
expectedItemType = ((IEdmCollectionType)expectedType).ElementType.Definition;
}
IEdmType itemType = ResolveTypeName(model, expectedItemType, itemTypeName, customTypeResolver, version, out itemTypeKind);
if (itemType != null)
{
resolvedType = EdmLibraryExtensions.GetCollectionType(itemType);
}
}
return(resolvedType);
}
internal static string ValidateCollectionTypeName(string collectionTypeName)
{
string collectionItemTypeName = EdmLibraryExtensions.GetCollectionItemTypeName(collectionTypeName);
if (collectionItemTypeName == null)
{
throw new ODataException(Microsoft.Data.OData.Strings.ValidationUtils_InvalidCollectionTypeName(collectionTypeName));
}
return(collectionItemTypeName);
}
/// <summary>
/// Validates that <paramref name="collectionTypeName"/> is a valid type name for a collection and returns its item type name.
/// </summary>
/// <param name="collectionTypeName">The name of the collection type.</param>
/// <returns>The item type name for the <paramref name="collectionTypeName"/>.</returns>
internal static string ValidateCollectionTypeName(string collectionTypeName)
{
DebugUtils.CheckNoExternalCallers();
string itemTypeName = EdmLibraryExtensions.GetCollectionItemTypeName(collectionTypeName);
if (itemTypeName == null)
{
throw new ODataException(Strings.ValidationUtils_InvalidCollectionTypeName(collectionTypeName));
}
return(itemTypeName);
}
/// <summary>
/// Resolves a type.
/// </summary>
/// <param name="typeName">The type name.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
/// <param name="version">The version of the payload being read.</param>
/// <returns>The resolved Edm type.</returns>
private IEdmType ResolveType(string typeName, ODataReaderBehavior readerBehavior, ODataVersion version)
{
string typeNameToResolve = EdmLibraryExtensions.GetCollectionItemTypeName(typeName) ?? typeName;
EdmTypeKind typeKind;
IEdmType resolvedType = MetadataUtils.ResolveTypeNameForRead(this.model, /*expectedType*/ null, typeNameToResolve, readerBehavior, version, out typeKind);
if (resolvedType == null || resolvedType.TypeKind != EdmTypeKind.Primitive && resolvedType.TypeKind != EdmTypeKind.Complex)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightMetadataUriParser_InvalidEntitySetNameOrTypeName(UriUtilsCommon.UriToString(this.parseResult.MetadataUri), typeName));
}
resolvedType = typeNameToResolve == typeName ? resolvedType : EdmLibraryExtensions.GetCollectionType(resolvedType.ToTypeReference(true /*nullable*/));
return(resolvedType);
}
/// <summary>
/// Resolves a type.
/// </summary>
/// <param name="typeName">The type name.</param>
/// <param name="clientCustomTypeResolver">The function of client cuetom type resolver.</param>
/// <param name="throwIfMetadataConflict">Whether to throw if a type specified in the ContextUri is not found in metadata.</param>
/// <returns>The resolved Edm type.</returns>
private ODataPayloadKind ResolveType(string typeName, Func <IEdmType, string, IEdmType> clientCustomTypeResolver, bool throwIfMetadataConflict)
{
string typeNameToResolve = EdmLibraryExtensions.GetCollectionItemTypeName(typeName) ?? typeName;
bool isCollection = typeNameToResolve != typeName;
EdmTypeKind typeKind;
IEdmType resolvedType = MetadataUtils.ResolveTypeNameForRead(this.model, /*expectedType*/ null, typeNameToResolve, clientCustomTypeResolver, out typeKind);
if (resolvedType == null && !throwIfMetadataConflict)
{
string namespaceName;
string name;
TypeUtils.ParseQualifiedTypeName(typeName, out namespaceName, out name, out isCollection);
resolvedType = new EdmUntypedStructuredType(namespaceName, name);
}
if (resolvedType == null ||
resolvedType.TypeKind != EdmTypeKind.Primitive &&
resolvedType.TypeKind != EdmTypeKind.Enum &&
resolvedType.TypeKind != EdmTypeKind.Complex &&
resolvedType.TypeKind != EdmTypeKind.Entity &&
resolvedType.TypeKind != EdmTypeKind.TypeDefinition &&
resolvedType.TypeKind != EdmTypeKind.Untyped)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_InvalidEntitySetNameOrTypeName(UriUtils.UriToString(this.parseResult.ContextUri), typeName));
}
if (resolvedType.TypeKind == EdmTypeKind.Entity || resolvedType.TypeKind == EdmTypeKind.Complex)
{
this.parseResult.EdmType = resolvedType;
return(isCollection ? ODataPayloadKind.ResourceSet : ODataPayloadKind.Resource);
}
// For structured collection ,the EdmType is element type. for primitive collection, it is collection type
resolvedType = isCollection ? EdmLibraryExtensions.GetCollectionType(resolvedType.ToTypeReference(true /*nullable*/)) : resolvedType;
this.parseResult.EdmType = resolvedType;
return(isCollection ? ODataPayloadKind.Collection : ODataPayloadKind.Property);
}
/// <summary>
/// Resolves a type.
/// </summary>
/// <param name="typeName">The type name.</param>
/// <param name="readerBehavior">Reader behavior if the caller is a reader, null if no reader behavior is available.</param>
/// <returns>The resolved Edm type.</returns>
private ODataPayloadKind ResolveType(string typeName, ODataReaderBehavior readerBehavior)
{
string typeNameToResolve = EdmLibraryExtensions.GetCollectionItemTypeName(typeName) ?? typeName;
bool isCollection = typeNameToResolve != typeName;
EdmTypeKind typeKind;
IEdmType resolvedType = MetadataUtils.ResolveTypeNameForRead(this.model, /*expectedType*/ null, typeNameToResolve, readerBehavior, out typeKind);
if (resolvedType == null || resolvedType.TypeKind != EdmTypeKind.Primitive && resolvedType.TypeKind != EdmTypeKind.Enum && resolvedType.TypeKind != EdmTypeKind.Complex && resolvedType.TypeKind != EdmTypeKind.Entity && resolvedType.TypeKind != EdmTypeKind.TypeDefinition)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightContextUriParser_InvalidEntitySetNameOrTypeName(UriUtils.UriToString(this.parseResult.ContextUri), typeName));
}
if (resolvedType.TypeKind == EdmTypeKind.Entity)
{
this.parseResult.EdmType = resolvedType;
return(isCollection ? ODataPayloadKind.Feed : ODataPayloadKind.Entry);
}
resolvedType = isCollection ? EdmLibraryExtensions.GetCollectionType(resolvedType.ToTypeReference(true /*nullable*/)) : resolvedType;
this.parseResult.EdmType = resolvedType;
return(isCollection ? ODataPayloadKind.Collection : ODataPayloadKind.Property);
}
/// <summary>
/// Read a collection from the reader.
/// </summary>
/// <param name="collectionTypeReference">The type of the collection to read (or null if no type is available).</param>
/// <param name="payloadTypeName">The name of the collection type specified in the payload.</param>
/// <param name="serializationTypeNameAnnotation">The serialization type name for the collection value (possibly null).</param>
/// <returns>The value read from the payload.</returns>
/// <remarks>
/// Pre-Condition: XmlNodeType.Element - the element to read the value for.
/// XmlNodeType.Attribute - an attribute on the element to read the value for.
/// Post-Condition: XmlNodeType.Element - the element was empty.
/// XmlNodeType.EndElement - the element had some value.
///
/// Note that this method will not read null values, those should be handled by the caller already.
/// </remarks>
private ODataCollectionValue ReadCollectionValue(
IEdmCollectionTypeReference collectionTypeReference,
string payloadTypeName,
SerializationTypeNameAnnotation serializationTypeNameAnnotation)
{
this.AssertXmlCondition(XmlNodeType.Element, XmlNodeType.Attribute);
Debug.Assert(
collectionTypeReference == null || collectionTypeReference.IsNonEntityODataCollectionTypeKind(),
"If the metadata is specified it must denote a collection for this method to work.");
this.IncreaseRecursionDepth();
ODataCollectionValue collectionValue = new ODataCollectionValue();
// If we have a metadata type for the collection, use that type name
// otherwise use the type name from the payload (if there was any).
collectionValue.TypeName = collectionTypeReference == null ? payloadTypeName : collectionTypeReference.ODataFullName();
if (serializationTypeNameAnnotation != null)
{
collectionValue.SetAnnotation(serializationTypeNameAnnotation);
}
// Move to the element (so that if we were on an attribute we can test the element for being empty)
this.XmlReader.MoveToElement();
List <object> items = new List <object>();
// Empty collections are valid - they have no items
if (!this.XmlReader.IsEmptyElement)
{
// Read over the collection element to its first child node (or end-element)
this.XmlReader.ReadStartElement();
IEdmTypeReference itemTypeReference = collectionTypeReference == null ? null : collectionTypeReference.ElementType();
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker = this.CreateDuplicatePropertyNamesChecker();
CollectionWithoutExpectedTypeValidator collectionValidator = null;
if (collectionTypeReference == null)
{
// Parse the type name from the payload (if any), extract the item type name and construct a collection validator
string itemTypeName = payloadTypeName == null ? null : EdmLibraryExtensions.GetCollectionItemTypeName(payloadTypeName);
collectionValidator = new CollectionWithoutExpectedTypeValidator(itemTypeName);
}
do
{
switch (this.XmlReader.NodeType)
{
case XmlNodeType.Element:
if (this.XmlReader.NamespaceEquals(this.XmlReader.ODataNamespace))
{
if (!this.XmlReader.LocalNameEquals(this.ODataCollectionItemElementName))
{
throw new ODataException(o.Strings.ODataAtomPropertyAndValueDeserializer_InvalidCollectionElement(this.XmlReader.LocalName, this.XmlReader.ODataNamespace));
}
// We don't support EPM for collections so it is fine to say that EPM is not present
object itemValue = this.ReadNonEntityValueImplementation(
itemTypeReference,
duplicatePropertyNamesChecker,
collectionValidator,
/*validateNullValue*/ true,
/*epmPresent*/ false);
// read over the end tag of the element or the start tag if the element was empty.
this.XmlReader.Read();
// Validate the item (for example that it's not null)
ValidationUtils.ValidateCollectionItem(itemValue, false /* isStreamable */);
// Note that the ReadNonEntityValue already validated that the actual type of the value matches
// the expected type (the itemType).
items.Add(itemValue);
}
else
{
this.XmlReader.Skip();
}
break;
case XmlNodeType.EndElement:
// End of the collection.
break;
default:
// Non-element so for example a text node, just ignore
this.XmlReader.Skip();
break;
}
}while (this.XmlReader.NodeType != XmlNodeType.EndElement);
}
collectionValue.Items = new ReadOnlyEnumerable(items);
this.AssertXmlCondition(true, XmlNodeType.EndElement);
Debug.Assert(collectionValue != null, "The method should never return null since it doesn't handle null values.");
this.DecreaseRecursionDepth();
return(collectionValue);
}
/// <summary>
/// Reads the start of a collection; this includes collection-level properties (e.g., the 'results' property) if the version permits it.
/// </summary>
/// <param name="collectionStartPropertyAndAnnotationCollector">The duplicate property names checker used to keep track of the properties and annotations
/// in the collection wrapper object.</param>
/// <param name="isReadingNestedPayload">true if we are reading a nested collection inside a paramter payload; otherwise false.</param>
/// <param name="expectedItemTypeReference">The expected item type reference or null if none is expected.</param>
/// <param name="actualItemTypeReference">The validated actual item type reference (if specified in the payload) or the expected item type reference.</param>
/// <returns>An <see cref="ODataCollectionStart"/> representing the collection-level information. Currently this is only the name of the collection in ATOM.</returns>
/// <remarks>
/// Pre-Condition: Any: the start of a nested collection value; if this is not a 'StartArray' node this method will fail.
/// JsonNodeType.Property: the first property of the collection wrapper object after the context URI.
/// JsonNodeType.EndObject: when the collection wrapper object has no properties (other than the context URI).
/// Post-Condition: JsonNodeType.StartArray: the start of the array of the collection items.
/// </remarks>
internal ODataCollectionStart ReadCollectionStart(
PropertyAndAnnotationCollector collectionStartPropertyAndAnnotationCollector,
bool isReadingNestedPayload,
IEdmTypeReference expectedItemTypeReference,
out IEdmTypeReference actualItemTypeReference)
{
this.JsonReader.AssertNotBuffering();
actualItemTypeReference = expectedItemTypeReference;
ODataCollectionStart collectionStart = null;
if (isReadingNestedPayload)
{
Debug.Assert(!this.JsonLightInputContext.ReadingResponse, "Nested collections are only supported in parameter payloads in requests.");
collectionStart = new ODataCollectionStart
{
Name = null
};
}
else
{
while (this.JsonReader.NodeType == JsonNodeType.Property)
{
IEdmTypeReference actualItemTypeRef = expectedItemTypeReference;
this.ProcessProperty(
collectionStartPropertyAndAnnotationCollector,
this.ReadTypePropertyAnnotationValue,
(propertyParsingResult, propertyName) =>
{
switch (propertyParsingResult)
{
case PropertyParsingResult.ODataInstanceAnnotation:
if (!IsValidODataAnnotationOfCollection(propertyName))
{
throw new ODataException(ODataErrorStrings.ODataJsonLightPropertyAndValueDeserializer_UnexpectedAnnotationProperties(propertyName));
}
this.JsonReader.SkipValue();
break;
case PropertyParsingResult.CustomInstanceAnnotation:
this.JsonReader.SkipValue();
break;
case PropertyParsingResult.PropertyWithoutValue:
throw new ODataException(ODataErrorStrings.ODataJsonLightPropertyAndValueDeserializer_TopLevelPropertyAnnotationWithoutProperty(propertyName));
case PropertyParsingResult.PropertyWithValue:
if (string.CompareOrdinal(JsonLightConstants.ODataValuePropertyName, propertyName) != 0)
{
throw new ODataException(
ODataErrorStrings.ODataJsonLightPropertyAndValueDeserializer_InvalidTopLevelPropertyName(propertyName, JsonLightConstants.ODataValuePropertyName));
}
string payloadTypeName = ValidateDataPropertyTypeNameAnnotation(collectionStartPropertyAndAnnotationCollector, propertyName);
if (payloadTypeName != null)
{
string itemTypeName = EdmLibraryExtensions.GetCollectionItemTypeName(payloadTypeName);
if (itemTypeName == null)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightCollectionDeserializer_InvalidCollectionTypeName(payloadTypeName));
}
EdmTypeKind targetTypeKind;
ODataTypeAnnotation typeAnnotation;
Func <EdmTypeKind> typeKindFromPayloadFunc = () => { throw new ODataException(ODataErrorStrings.General_InternalError(InternalErrorCodes.ODataJsonLightCollectionDeserializer_ReadCollectionStart_TypeKindFromPayloadFunc)); };
actualItemTypeRef = this.ReaderValidator.ResolvePayloadTypeNameAndComputeTargetType(
EdmTypeKind.None,
/*expectStructuredType*/ null,
/*defaultPrimitivePayloadType*/ null,
expectedItemTypeReference,
itemTypeName,
this.Model,
typeKindFromPayloadFunc,
out targetTypeKind,
out typeAnnotation);
}
collectionStart = new ODataCollectionStart
{
Name = null
};
break;
case PropertyParsingResult.EndOfObject:
break;
case PropertyParsingResult.MetadataReferenceProperty:
throw new ODataException(ODataErrorStrings.ODataJsonLightPropertyAndValueDeserializer_UnexpectedMetadataReferenceProperty(propertyName));
default:
throw new ODataException(ODataErrorStrings.General_InternalError(InternalErrorCodes.ODataJsonLightCollectionDeserializer_ReadCollectionStart));
}
});
actualItemTypeReference = actualItemTypeRef;
}
if (collectionStart == null)
{
// No collection property found; there should be exactly one property in the collection wrapper that does not have a reserved name.
throw new ODataException(ODataErrorStrings.ODataJsonLightCollectionDeserializer_ExpectedCollectionPropertyNotFound(JsonLightConstants.ODataValuePropertyName));
}
}
// at this point the reader is positioned on the start array node for the collection contents
if (this.JsonReader.NodeType != JsonNodeType.StartArray)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightCollectionDeserializer_CannotReadCollectionContentStart(this.JsonReader.NodeType));
}
this.JsonReader.AssertNotBuffering();
return(collectionStart);
}
/// <summary>
/// Read a collection from the reader.
/// </summary>
/// <param name="collectionTypeReference">The type of the collection to read (or null if no type is available).</param>
/// <param name="payloadTypeName">The name of the collection type specified in the payload.</param>
/// <param name="serializationTypeNameAnnotation">The serialization type name for the collection value (possibly null).</param>
/// <returns>The value read from the payload.</returns>
/// <remarks>
/// Pre-Condition: XmlNodeType.Element - the element to read the value for.
/// XmlNodeType.Attribute - an attribute on the element to read the value for.
/// Post-Condition: XmlNodeType.Element - the element was empty.
/// XmlNodeType.EndElement - the element had some value.
///
/// Note that this method will not read null values, those should be handled by the caller already.
/// </remarks>
private ODataCollectionValue ReadCollectionValue(
IEdmCollectionTypeReference collectionTypeReference,
string payloadTypeName,
SerializationTypeNameAnnotation serializationTypeNameAnnotation)
{
this.AssertXmlCondition(XmlNodeType.Element, XmlNodeType.Attribute);
Debug.Assert(
collectionTypeReference == null || collectionTypeReference.IsNonEntityCollectionType(),
"If the metadata is specified it must denote a collection for this method to work.");
this.IncreaseRecursionDepth();
ODataCollectionValue collectionValue = new ODataCollectionValue();
// If we have a metadata type for the collection, use that type name
// otherwise use the type name from the payload (if there was any).
collectionValue.TypeName = collectionTypeReference == null ? payloadTypeName : collectionTypeReference.FullName();
if (serializationTypeNameAnnotation != null)
{
collectionValue.SetAnnotation(serializationTypeNameAnnotation);
}
// Move to the element (so that if we were on an attribute we can test the element for being empty)
this.XmlReader.MoveToElement();
List <object> items = new List <object>();
// Empty collections are valid - they have no items
if (!this.XmlReader.IsEmptyElement)
{
// Read over the collection element to its first child node (or end-element)
this.XmlReader.ReadStartElement();
// If we don't have metadata (that is collectionType is null) we parse the type name
// and extract the item type name from it. Then we create a CollectionWithoutExpectedTypeValidator
// instance and use it to ensure that all item types read for the collection value are consistent with
// the item type derived from the collection value's type name.
// Note that if an item does not specify a type name but the collection value does, the item will be
// assigned the item type name computed from the collection value's type.
// Note that JSON doesn't have this problem since in JSON we always have metadata and thus the collectionType
// is never null by the time we get to a similar place in the code.
IEdmTypeReference itemTypeReference = collectionTypeReference == null ? null : collectionTypeReference.ElementType();
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker = this.CreateDuplicatePropertyNamesChecker();
CollectionWithoutExpectedTypeValidator collectionValidator = null;
if (collectionTypeReference == null)
{
// Parse the type name from the payload (if any), extract the item type name and construct a collection validator
string itemTypeName = payloadTypeName == null ? null : EdmLibraryExtensions.GetCollectionItemTypeName(payloadTypeName);
collectionValidator = new CollectionWithoutExpectedTypeValidator(itemTypeName);
}
do
{
switch (this.XmlReader.NodeType)
{
case XmlNodeType.Element:
if (this.XmlReader.NamespaceEquals(this.XmlReader.ODataMetadataNamespace))
{
if (!this.XmlReader.LocalNameEquals(this.ODataCollectionItemElementName))
{
this.XmlReader.Skip();
}
else
{
object itemValue = this.ReadNonEntityValueImplementation(
itemTypeReference,
duplicatePropertyNamesChecker,
collectionValidator,
/*validateNullValue*/ true,
/*propertyName*/ null);
// read over the end tag of the element or the start tag if the element was empty.
this.XmlReader.Read();
// Validate the item (for example that it's not null)
ValidationUtils.ValidateCollectionItem(itemValue, itemTypeReference.IsNullable());
// Note that the ReadNonEntityValue already validated that the actual type of the value matches
// the expected type (the itemType).
items.Add(itemValue);
}
}
else if (this.XmlReader.NamespaceEquals(this.XmlReader.ODataNamespace))
{
throw new ODataException(ODataErrorStrings.ODataAtomPropertyAndValueDeserializer_InvalidCollectionElement(this.XmlReader.LocalName, this.XmlReader.ODataMetadataNamespace));
}
else
{
this.XmlReader.Skip();
}
break;
case XmlNodeType.EndElement:
// End of the collection.
break;
default:
// Non-element so for example a text node, just ignore
this.XmlReader.Skip();
break;
}
}while (this.XmlReader.NodeType != XmlNodeType.EndElement);
}
collectionValue.Items = new ReadOnlyEnumerable(items);
this.AssertXmlCondition(true, XmlNodeType.EndElement);
Debug.Assert(collectionValue != null, "The method should never return null since it doesn't handle null values.");
this.DecreaseRecursionDepth();
return(collectionValue);
}
private ODataCollectionValue ReadCollectionValue(IEdmCollectionTypeReference collectionTypeReference, string payloadTypeName, SerializationTypeNameAnnotation serializationTypeNameAnnotation)
{
this.IncreaseRecursionDepth();
ODataCollectionValue value2 = new ODataCollectionValue {
TypeName = (collectionTypeReference == null) ? payloadTypeName : collectionTypeReference.ODataFullName()
};
if (serializationTypeNameAnnotation != null)
{
value2.SetAnnotation <SerializationTypeNameAnnotation>(serializationTypeNameAnnotation);
}
base.XmlReader.MoveToElement();
List <object> sourceEnumerable = new List <object>();
if (!base.XmlReader.IsEmptyElement)
{
base.XmlReader.ReadStartElement();
IEdmTypeReference expectedTypeReference = (collectionTypeReference == null) ? null : collectionTypeReference.ElementType();
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker = base.CreateDuplicatePropertyNamesChecker();
CollectionWithoutExpectedTypeValidator collectionValidator = null;
if (collectionTypeReference == null)
{
string itemTypeNameFromCollection = (payloadTypeName == null) ? null : EdmLibraryExtensions.GetCollectionItemTypeName(payloadTypeName);
collectionValidator = new CollectionWithoutExpectedTypeValidator(itemTypeNameFromCollection);
}
do
{
switch (base.XmlReader.NodeType)
{
case XmlNodeType.Element:
if (base.XmlReader.NamespaceEquals(base.XmlReader.ODataNamespace))
{
if (!base.XmlReader.LocalNameEquals(this.ODataCollectionItemElementName))
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataAtomPropertyAndValueDeserializer_InvalidCollectionElement(base.XmlReader.LocalName, base.XmlReader.ODataNamespace));
}
object item = this.ReadNonEntityValueImplementation(expectedTypeReference, duplicatePropertyNamesChecker, collectionValidator, true, false);
base.XmlReader.Read();
ValidationUtils.ValidateCollectionItem(item, false);
sourceEnumerable.Add(item);
}
else
{
base.XmlReader.Skip();
}
break;
case XmlNodeType.EndElement:
break;
default:
base.XmlReader.Skip();
break;
}
}while (base.XmlReader.NodeType != XmlNodeType.EndElement);
}
value2.Items = new ReadOnlyEnumerable(sourceEnumerable);
this.DecreaseRecursionDepth();
return(value2);
}
