private ODataComplexValue ReadComplexValue(IEdmComplexTypeReference complexTypeReference, string payloadTypeName, SerializationTypeNameAnnotation serializationTypeNameAnnotation, DuplicatePropertyNamesChecker duplicatePropertyNamesChecker, bool epmPresent)
{
this.IncreaseRecursionDepth();
ODataComplexValue value2 = new ODataComplexValue();
IEdmComplexType type = (complexTypeReference == null) ? null : ((IEdmComplexType)complexTypeReference.Definition);
value2.TypeName = (type == null) ? payloadTypeName : type.ODataFullName();
if (serializationTypeNameAnnotation != null)
{
value2.SetAnnotation <SerializationTypeNameAnnotation>(serializationTypeNameAnnotation);
}
base.XmlReader.MoveToElement();
if (duplicatePropertyNamesChecker == null)
{
duplicatePropertyNamesChecker = base.CreateDuplicatePropertyNamesChecker();
}
else
{
duplicatePropertyNamesChecker.Clear();
}
List <ODataProperty> properties = new List <ODataProperty>();
this.ReadPropertiesImplementation(type, properties, duplicatePropertyNamesChecker, epmPresent);
value2.Properties = new ReadOnlyEnumerable <ODataProperty>(properties);
this.DecreaseRecursionDepth();
return(value2);
}
/// <summary>
/// Read a set of top-level entity reference links.
/// </summary>
/// <param name="duplicatePropertyNamesChecker">The duplicate property names checker to use for the top-level scope.</param>
/// <returns>An <see cref="ODataEntityReferenceLinks"/> representing the read links.</returns>
private ODataEntityReferenceLinks ReadEntityReferenceLinksImplementation(DuplicatePropertyNamesChecker duplicatePropertyNamesChecker)
{
Debug.Assert(duplicatePropertyNamesChecker != null, "duplicatePropertyNamesChecker != null");
ODataEntityReferenceLinks entityReferenceLinks = new ODataEntityReferenceLinks();
this.ReadEntityReferenceLinksAnnotations(entityReferenceLinks, duplicatePropertyNamesChecker, /*forLinksStart*/ true);
// Read the start of the content array of the links
this.JsonReader.ReadStartArray();
List <ODataEntityReferenceLink> links = new List <ODataEntityReferenceLink>();
DuplicatePropertyNamesChecker linkDuplicatePropertyNamesChecker = this.JsonLightInputContext.CreateDuplicatePropertyNamesChecker();
while (this.JsonReader.NodeType != JsonNodeType.EndArray)
{
// read another link
ODataEntityReferenceLink entityReferenceLink = this.ReadSingleEntityReferenceLink(linkDuplicatePropertyNamesChecker, /*topLevel*/ false);
links.Add(entityReferenceLink);
linkDuplicatePropertyNamesChecker.Clear();
}
this.JsonReader.ReadEndArray();
this.ReadEntityReferenceLinksAnnotations(entityReferenceLinks, duplicatePropertyNamesChecker, /*forLinksStart*/ false);
this.JsonReader.ReadEndObject();
entityReferenceLinks.Links = new ReadOnlyEnumerable <ODataEntityReferenceLink>(links);
return(entityReferenceLinks);
}
internal void WriteCollectionValue(ODataCollectionValue collectionValue, IEdmTypeReference metadataTypeReference, bool isOpenPropertyType)
{
this.IncreaseRecursionDepth();
base.JsonWriter.StartObjectScope();
string typeName = collectionValue.TypeName;
IEdmCollectionTypeReference type = (IEdmCollectionTypeReference)WriterValidationUtils.ResolveTypeNameForWriting(base.Model, metadataTypeReference, ref typeName, EdmTypeKind.Collection, isOpenPropertyType);
string itemTypeNameFromCollection = null;
if (typeName != null)
{
itemTypeNameFromCollection = ValidationUtils.ValidateCollectionTypeName(typeName);
}
SerializationTypeNameAnnotation annotation = collectionValue.GetAnnotation <SerializationTypeNameAnnotation>();
if (annotation != null)
{
typeName = annotation.TypeName;
}
if (typeName != null)
{
base.JsonWriter.WriteName("__metadata");
base.JsonWriter.StartObjectScope();
base.JsonWriter.WriteName("type");
base.JsonWriter.WriteValue(typeName);
base.JsonWriter.EndObjectScope();
}
base.JsonWriter.WriteDataArrayName();
base.JsonWriter.StartArrayScope();
IEnumerable items = collectionValue.Items;
if (items != null)
{
IEdmTypeReference propertyTypeReference = (type == null) ? null : type.ElementType();
CollectionWithoutExpectedTypeValidator collectionValidator = new CollectionWithoutExpectedTypeValidator(itemTypeNameFromCollection);
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker = null;
foreach (object obj2 in items)
{
ValidationUtils.ValidateCollectionItem(obj2, false);
ODataComplexValue complexValue = obj2 as ODataComplexValue;
if (complexValue != null)
{
if (duplicatePropertyNamesChecker == null)
{
duplicatePropertyNamesChecker = base.CreateDuplicatePropertyNamesChecker();
}
this.WriteComplexValue(complexValue, propertyTypeReference, false, duplicatePropertyNamesChecker, collectionValidator);
duplicatePropertyNamesChecker.Clear();
}
else
{
this.WritePrimitiveValue(obj2, collectionValidator, propertyTypeReference);
}
}
}
base.JsonWriter.EndArrayScope();
base.JsonWriter.EndObjectScope();
this.DecreaseRecursionDepth();
}
private void WriteCollectionValue(ODataCollectionValue collectionValue, IEdmTypeReference propertyTypeReference, bool isOpenPropertyType, bool isWritingCollection)
{
this.IncreaseRecursionDepth();
string typeName = collectionValue.TypeName;
IEdmCollectionTypeReference type = (IEdmCollectionTypeReference)WriterValidationUtils.ResolveTypeNameForWriting(base.Model, propertyTypeReference, ref typeName, EdmTypeKind.Collection, isOpenPropertyType);
string itemTypeNameFromCollection = null;
if (typeName != null)
{
itemTypeNameFromCollection = ValidationUtils.ValidateCollectionTypeName(typeName);
}
SerializationTypeNameAnnotation annotation = collectionValue.GetAnnotation <SerializationTypeNameAnnotation>();
if (annotation != null)
{
typeName = annotation.TypeName;
}
if (typeName != null)
{
this.WritePropertyTypeAttribute(typeName);
}
IEdmTypeReference metadataTypeReference = (type == null) ? null : type.ElementType();
CollectionWithoutExpectedTypeValidator collectionValidator = new CollectionWithoutExpectedTypeValidator(itemTypeNameFromCollection);
IEnumerable items = collectionValue.Items;
if (items != null)
{
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker = null;
foreach (object obj2 in items)
{
ValidationUtils.ValidateCollectionItem(obj2, false);
base.XmlWriter.WriteStartElement("d", "element", base.MessageWriterSettings.WriterBehavior.ODataNamespace);
ODataComplexValue complexValue = obj2 as ODataComplexValue;
if (complexValue != null)
{
if (duplicatePropertyNamesChecker == null)
{
duplicatePropertyNamesChecker = base.CreateDuplicatePropertyNamesChecker();
}
this.WriteComplexValue(complexValue, metadataTypeReference, false, isWritingCollection, null, null, duplicatePropertyNamesChecker, collectionValidator, null, null, null);
duplicatePropertyNamesChecker.Clear();
}
else
{
this.WritePrimitiveValue(obj2, collectionValidator, metadataTypeReference);
}
base.XmlWriter.WriteEndElement();
}
}
this.DecreaseRecursionDepth();
}
/// <summary>
/// Read a complex value from the reader.
/// </summary>
/// <param name="complexTypeReference">The type reference of the value to read (or null if no type is available).</param>
/// <param name="payloadTypeName">The name of the type specified in the payload.</param>
/// <param name="serializationTypeNameAnnotation">The serialization type name for the complex value (possibly null).</param>
/// <param name="duplicatePropertyNamesChecker">The duplicate property names checker to use (cached), or null if new one should be created.</param>
/// <param name="epmPresent">Whether any EPM mappings exist.</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.EndElement - the element has been read.
///
/// Note that this method will not read null values, those should be handled by the caller already.
/// </remarks>
private ODataComplexValue ReadComplexValue(
IEdmComplexTypeReference complexTypeReference,
string payloadTypeName,
SerializationTypeNameAnnotation serializationTypeNameAnnotation,
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker,
bool epmPresent)
{
this.AssertXmlCondition(XmlNodeType.Element, XmlNodeType.Attribute);
this.IncreaseRecursionDepth();
ODataComplexValue complexValue = new ODataComplexValue();
IEdmComplexType complexType = complexTypeReference == null ? null : (IEdmComplexType)complexTypeReference.Definition;
// If we have a metadata type for the complex value, use that type name
// otherwise use the type name from the payload (if there was any).
complexValue.TypeName = complexType == null ? payloadTypeName : complexType.ODataFullName();
if (serializationTypeNameAnnotation != null)
{
complexValue.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();
if (duplicatePropertyNamesChecker == null)
{
duplicatePropertyNamesChecker = this.CreateDuplicatePropertyNamesChecker();
}
else
{
duplicatePropertyNamesChecker.Clear();
}
List <ODataProperty> properties = new List <ODataProperty>();
this.ReadPropertiesImplementation(complexType, properties, duplicatePropertyNamesChecker, epmPresent);
complexValue.Properties = new ReadOnlyEnumerable <ODataProperty>(properties);
this.AssertXmlCondition(true, XmlNodeType.EndElement);
Debug.Assert(complexValue != null, "The method should never return null since it doesn't handle null values.");
this.DecreaseRecursionDepth();
return(complexValue);
}
/// <summary>
/// Read a set of top-level entity reference links.
/// </summary>
/// <param name="navigationProperty">The navigation property for which to read the entity reference links.</param>
/// <param name="duplicatePropertyNamesChecker">The duplicate property names checker to use for the top-level scope.</param>
/// <returns>An <see cref="ODataEntityReferenceLinks"/> representing the read links.</returns>
private ODataEntityReferenceLinks ReadEntityReferenceLinksImplementation(IEdmNavigationProperty navigationProperty, DuplicatePropertyNamesChecker duplicatePropertyNamesChecker)
{
Debug.Assert(duplicatePropertyNamesChecker != null, "duplicatePropertyNamesChecker != null");
ODataEntityReferenceLinks entityReferenceLinks = new ODataEntityReferenceLinks();
if (this.JsonLightInputContext.ReadingResponse)
{
// Validate the metadata URI parsed from the payload against the expected navigation property.
ReaderValidationUtils.ValidateEntityReferenceLinkMetadataUri(this.MetadataUriParseResult, navigationProperty);
}
this.ReadEntityReferenceLinksAnnotations(entityReferenceLinks, duplicatePropertyNamesChecker, /*forLinksStart*/ true);
// Read the start of the content array of the links
this.JsonReader.ReadStartArray();
List <ODataEntityReferenceLink> links = new List <ODataEntityReferenceLink>();
DuplicatePropertyNamesChecker linkDuplicatePropertyNamesChecker = this.JsonLightInputContext.CreateDuplicatePropertyNamesChecker();
while (this.JsonReader.NodeType != JsonNodeType.EndArray)
{
// read another link
ODataEntityReferenceLink entityReferenceLink = this.ReadSingleEntityReferenceLink(linkDuplicatePropertyNamesChecker, /*topLevel*/ false);
links.Add(entityReferenceLink);
linkDuplicatePropertyNamesChecker.Clear();
}
this.JsonReader.ReadEndArray();
this.ReadEntityReferenceLinksAnnotations(entityReferenceLinks, duplicatePropertyNamesChecker, /*forLinksStart*/ false);
this.JsonReader.ReadEndObject();
entityReferenceLinks.Links = new ReadOnlyEnumerable <ODataEntityReferenceLink>(links);
return(entityReferenceLinks);
}
/// <summary>
/// Writes out the value of a collection property.
/// </summary>
/// <param name="collectionValue">The collection value to write.</param>
/// <param name="metadataTypeReference">The metadata type reference for the collection.</param>
/// <param name="isOpenPropertyType">true if the type name belongs to an open property.</param>
/// <remarks>The current recursion depth is measured by the number of complex and collection values between
/// this one and the top-level payload, not including this one.</remarks>
internal void WriteCollectionValue(
ODataCollectionValue collectionValue,
IEdmTypeReference metadataTypeReference,
bool isOpenPropertyType)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(collectionValue != null, "collectionValue != null");
this.IncreaseRecursionDepth();
// Start the object scope which will represent the entire CollectionValue instance
this.JsonWriter.StartObjectScope();
// "__metadata": { "type": "typename" }
// If the CollectionValue has type information write out the metadata and the type in it.
string typeName = collectionValue.TypeName;
// resolve the type name to the type; if no type name is specified we will use the
// type inferred from metadata
IEdmCollectionTypeReference collectionTypeReference =
(IEdmCollectionTypeReference)WriterValidationUtils.ResolveTypeNameForWriting(this.Model, metadataTypeReference, ref typeName, EdmTypeKind.Collection, isOpenPropertyType);
string collectionItemTypeName = null;
if (typeName != null)
{
collectionItemTypeName = ValidationUtils.ValidateCollectionTypeName(typeName);
}
SerializationTypeNameAnnotation serializationTypeNameAnnotation = collectionValue.GetAnnotation <SerializationTypeNameAnnotation>();
if (serializationTypeNameAnnotation != null)
{
typeName = serializationTypeNameAnnotation.TypeName;
}
if (typeName != null)
{
// Write the __metadata object
this.JsonWriter.WriteName(JsonConstants.ODataMetadataName);
this.JsonWriter.StartObjectScope();
// "type": "typename"
this.JsonWriter.WriteName(JsonConstants.ODataMetadataTypeName);
this.JsonWriter.WriteValue(typeName);
// End the __metadata
this.JsonWriter.EndObjectScope();
}
// "results": [
// This represents the array of items in the CollectionValue
this.JsonWriter.WriteDataArrayName();
this.JsonWriter.StartArrayScope();
// Iterate through the CollectionValue items and write them out (treat null Items as an empty enumeration)
IEnumerable items = collectionValue.Items;
if (items != null)
{
IEdmTypeReference expectedItemTypeReference = collectionTypeReference == null ? null : collectionTypeReference.ElementType();
CollectionWithoutExpectedTypeValidator collectionValidator = new CollectionWithoutExpectedTypeValidator(collectionItemTypeName);
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker = null;
foreach (object item in items)
{
ValidationUtils.ValidateCollectionItem(item, false /* isStreamable */);
ODataComplexValue itemAsComplexValue = item as ODataComplexValue;
if (itemAsComplexValue != null)
{
if (duplicatePropertyNamesChecker == null)
{
duplicatePropertyNamesChecker = this.CreateDuplicatePropertyNamesChecker();
}
this.WriteComplexValue(
itemAsComplexValue,
expectedItemTypeReference,
false,
duplicatePropertyNamesChecker,
collectionValidator);
duplicatePropertyNamesChecker.Clear();
}
else
{
Debug.Assert(!(item is ODataCollectionValue), "!(item is ODataCollectionValue)");
Debug.Assert(!(item is ODataStreamReferenceValue), "!(item is ODataStreamReferenceValue)");
this.WritePrimitiveValue(item, collectionValidator, expectedItemTypeReference);
}
}
}
// End the array scope which holds the items
this.JsonWriter.EndArrayScope();
// End the object scope which holds the entire collection
this.JsonWriter.EndObjectScope();
this.DecreaseRecursionDepth();
}
/// <summary>
/// Write the items of a collection in ATOM format.
/// </summary>
/// <param name="collectionValue">The collection value to write.</param>
/// <param name="propertyTypeReference">The type reference of the collection value (or null if not metadata is available).</param>
/// <param name="isOpenPropertyType">true if the type name belongs to an open property.</param>
/// <param name="isWritingCollection">true if we are writing a top-level collection instead of an entry.</param>
private void WriteCollectionValue(
ODataCollectionValue collectionValue,
IEdmTypeReference propertyTypeReference,
bool isOpenPropertyType,
bool isWritingCollection)
{
Debug.Assert(collectionValue != null, "collectionValue != null");
this.IncreaseRecursionDepth();
// resolve the type name to the type; if no type name is specified we will use the
// type inferred from metadata
IEdmCollectionTypeReference collectionTypeReference = (IEdmCollectionTypeReference)TypeNameOracle.ResolveAndValidateTypeNameForValue(this.Model, propertyTypeReference, collectionValue, isOpenPropertyType);
string collectionItemTypeName;
string typeName = this.AtomOutputContext.TypeNameOracle.GetValueTypeNameForWriting(collectionValue, collectionTypeReference, collectionValue.GetAnnotation <SerializationTypeNameAnnotation>(), /*collectionValidator*/ null, out collectionItemTypeName);
if (typeName != null)
{
this.WritePropertyTypeAttribute(typeName);
}
IEdmTypeReference expectedItemTypeReference = collectionTypeReference == null ? null : collectionTypeReference.ElementType();
CollectionWithoutExpectedTypeValidator collectionValidator = new CollectionWithoutExpectedTypeValidator(collectionItemTypeName);
IEnumerable items = collectionValue.Items;
if (items != null)
{
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker = null;
foreach (object item in items)
{
ValidationUtils.ValidateCollectionItem(item, false /* isStreamable */);
this.XmlWriter.WriteStartElement(AtomConstants.ODataNamespacePrefix, AtomConstants.ODataCollectionItemElementName, this.MessageWriterSettings.WriterBehavior.ODataNamespace);
ODataComplexValue complexValue = item as ODataComplexValue;
if (complexValue != null)
{
if (duplicatePropertyNamesChecker == null)
{
duplicatePropertyNamesChecker = this.CreateDuplicatePropertyNamesChecker();
}
this.WriteComplexValue(
complexValue,
expectedItemTypeReference,
false,
isWritingCollection,
null /* beforeValueAction */,
null /* afterValueAction */,
duplicatePropertyNamesChecker,
collectionValidator,
null /* epmValueCache */,
null /* epmSourcePathSegment */,
null /* projectedProperties */);
duplicatePropertyNamesChecker.Clear();
}
else
{
Debug.Assert(!(item is ODataCollectionValue), "!(item is ODataCollectionValue)");
Debug.Assert(!(item is ODataStreamReferenceValue), "!(item is ODataStreamReferenceValue)");
// Note: Currently there is no way for a user to control primitive type information when the primitive values are part of a collection.
this.WritePrimitiveValue(item, collectionValidator, expectedItemTypeReference, /*serializationTypeNameAnnotation*/ null);
}
this.XmlWriter.WriteEndElement();
}
}
this.DecreaseRecursionDepth();
}
/// <summary>
/// Read a complex value from the reader.
/// </summary>
/// <param name="complexTypeReference">The type reference of the value to read (or null if no type is available).</param>
/// <param name="payloadTypeName">The name of the type specified in the payload.</param>
/// <param name="serializationTypeNameAnnotation">The serialization type name for the complex value (possibly null).</param>
/// <param name="duplicatePropertyNamesChecker">The duplicate property names checker to use (cached), or null if new one should be created.</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.EndElement - the element has been read.
///
/// Note that this method will not read null values, those should be handled by the caller already.
/// </remarks>
private ODataComplexValue ReadComplexValue(
IEdmComplexTypeReference complexTypeReference,
string payloadTypeName,
SerializationTypeNameAnnotation serializationTypeNameAnnotation,
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker)
{
this.AssertXmlCondition(XmlNodeType.Element, XmlNodeType.Attribute);
this.IncreaseRecursionDepth();
ODataComplexValue complexValue = new ODataComplexValue();
IEdmComplexType complexType = complexTypeReference == null ? null : (IEdmComplexType)complexTypeReference.Definition;
// If we have a metadata type for the complex value, use that type name
// otherwise use the type name from the payload (if there was any).
complexValue.TypeName = complexType == null ? payloadTypeName : complexType.ODataFullName();
if (serializationTypeNameAnnotation != null)
{
complexValue.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();
if (duplicatePropertyNamesChecker == null)
{
duplicatePropertyNamesChecker = this.CreateDuplicatePropertyNamesChecker();
}
else
{
duplicatePropertyNamesChecker.Clear();
}
ReadOnlyEnumerable<ODataProperty> properties = new ReadOnlyEnumerable<ODataProperty>();
this.ReadPropertiesImplementation(complexType, properties, duplicatePropertyNamesChecker);
complexValue.Properties = properties;
this.AssertXmlCondition(true, XmlNodeType.EndElement);
Debug.Assert(complexValue != null, "The method should never return null since it doesn't handle null values.");
this.DecreaseRecursionDepth();
return complexValue;
}
/// <summary>
/// Reads a complex value.
/// </summary>
/// <param name="complexValueTypeReference">The expected type reference of the value.</param>
/// <param name="payloadTypeName">The type name read from the payload.</param>
/// <param name="serializationTypeNameAnnotation">The serialization type name for the collection value (possibly null).</param>
/// <param name="duplicatePropertyNamesChecker">The duplicate property names checker to use - if null the method should create a new one if necessary.</param>
/// <returns>The value of the complex value.</returns>
/// <remarks>
/// Pre-Condition: Fails if the current node is not a JsonNodeType.StartObject or JsonNodeType.PrimitiveValue (with null value)
/// Post-Condition: almost anything - the node after the complex value (after the EndObject)
/// </remarks>
private ODataComplexValue ReadComplexValueImplementation(
IEdmComplexTypeReference complexValueTypeReference,
string payloadTypeName,
SerializationTypeNameAnnotation serializationTypeNameAnnotation,
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker)
{
this.JsonReader.AssertNotBuffering();
this.IncreaseRecursionDepth();
// Read over the start object
this.JsonReader.ReadStartObject();
ODataComplexValue complexValue = new ODataComplexValue();
complexValue.TypeName = complexValueTypeReference != null?complexValueTypeReference.ODataFullName() : payloadTypeName;
if (serializationTypeNameAnnotation != null)
{
complexValue.SetAnnotation(serializationTypeNameAnnotation);
}
if (duplicatePropertyNamesChecker == null)
{
duplicatePropertyNamesChecker = this.CreateDuplicatePropertyNamesChecker();
}
else
{
duplicatePropertyNamesChecker.Clear();
}
List <ODataProperty> properties = new List <ODataProperty>();
bool metadataPropertyFound = false;
while (this.JsonReader.NodeType == JsonNodeType.Property)
{
string propertyName = this.JsonReader.ReadPropertyName();
if (string.CompareOrdinal(JsonConstants.ODataMetadataName, propertyName) == 0)
{
// __metadata property.
if (metadataPropertyFound)
{
throw new ODataException(ODataErrorStrings.ODataJsonPropertyAndValueDeserializer_MultipleMetadataPropertiesInComplexValue);
}
metadataPropertyFound = true;
this.JsonReader.SkipValue();
}
else
{
if (!ValidationUtils.IsValidPropertyName(propertyName))
{
// We ignore properties with an invalid name since these are extension points for the future.
this.JsonReader.SkipValue();
}
else
{
// Any other property is data
ODataProperty property = new ODataProperty();
property.Name = propertyName;
// Lookup the property in metadata
IEdmProperty edmProperty = null;
bool ignoreProperty = false;
if (complexValueTypeReference != null)
{
edmProperty = ReaderValidationUtils.ValidateValuePropertyDefined(propertyName, complexValueTypeReference.ComplexDefinition(), this.MessageReaderSettings, out ignoreProperty);
}
if (ignoreProperty)
{
// in case of ignoreProperty = true which means to ignore undeclared property.
this.JsonReader.SkipValue();
}
else
{
ODataNullValueBehaviorKind nullValueReadBehaviorKind = this.ReadingResponse || edmProperty == null
? ODataNullValueBehaviorKind.Default
: this.Model.NullValueReadBehaviorKind(edmProperty);
// Read the property value
object propertyValue = this.ReadNonEntityValueImplementation(
edmProperty == null ? null : edmProperty.Type,
/*duplicatePropertyNamesChecker*/ null,
/*collectionValidator*/ null,
nullValueReadBehaviorKind == ODataNullValueBehaviorKind.Default,
propertyName);
if (nullValueReadBehaviorKind != ODataNullValueBehaviorKind.IgnoreValue || propertyValue != null)
{
duplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(property);
property.Value = propertyValue;
properties.Add(property);
}
}
}
}
}
Debug.Assert(this.JsonReader.NodeType == JsonNodeType.EndObject, "After all the properties of a complex value are read the EndObject node is expected.");
this.JsonReader.ReadEndObject();
complexValue.Properties = new ReadOnlyEnumerable <ODataProperty>(properties);
this.JsonReader.AssertNotBuffering();
this.DecreaseRecursionDepth();
return(complexValue);
}
/// <summary>
/// Read a service document.
/// This method reads the service document from the input and returns
/// an <see cref="ODataServiceDocument"/> that represents the read service document.
/// </summary>
/// <param name="duplicatePropertyNamesChecker">The duplicate property names checker to use for the top-level scope.</param>
/// <returns>An <see cref="ODataServiceDocument"/> representing the read service document.</returns>
/// <remarks>
/// Pre-Condition: JsonNodeType.Property The property right after the context URI property.
/// JsonNodeType.EndObject The EndObject of the service document.
/// Post-Condition: Any The node after the EndObject of the service document.
/// </remarks>
private ODataServiceDocument ReadServiceDocumentImplementation(DuplicatePropertyNamesChecker duplicatePropertyNamesChecker)
{
Debug.Assert(duplicatePropertyNamesChecker != null, "duplicatePropertyNamesChecker != null");
this.AssertJsonCondition(JsonNodeType.Property, JsonNodeType.EndObject);
List<ODataServiceDocumentElement>[] serviceDocumentElements = { null };
// Read all the properties in the service document object; we ignore all except 'value'.
while (this.JsonReader.NodeType == JsonNodeType.Property)
{
// Property annotations are not allowed on the 'value' property, so fail if we see one.
Func<string, object> readPropertyAnnotationInServiceDoc = annotationName => { throw new ODataException(Strings.ODataJsonLightServiceDocumentDeserializer_PropertyAnnotationInServiceDocument(annotationName, JsonLightConstants.ODataValuePropertyName)); };
this.ProcessProperty(
duplicatePropertyNamesChecker,
readPropertyAnnotationInServiceDoc,
(propertyParsingResult, propertyName) =>
{
switch (propertyParsingResult)
{
case PropertyParsingResult.ODataInstanceAnnotation:
throw new ODataException(Strings.ODataJsonLightServiceDocumentDeserializer_InstanceAnnotationInServiceDocument(propertyName, JsonLightConstants.ODataValuePropertyName));
case PropertyParsingResult.CustomInstanceAnnotation:
this.JsonReader.SkipValue();
break;
case PropertyParsingResult.PropertyWithoutValue:
throw new ODataException(Strings.ODataJsonLightServiceDocumentDeserializer_PropertyAnnotationWithoutProperty(propertyName));
case PropertyParsingResult.PropertyWithValue:
if (string.CompareOrdinal(JsonLightConstants.ODataValuePropertyName, propertyName) == 0)
{
// Fail if we've already processed a 'value' property.
if (serviceDocumentElements[0] != null)
{
throw new ODataException(Strings.ODataJsonLightServiceDocumentDeserializer_DuplicatePropertiesInServiceDocument(JsonLightConstants.ODataValuePropertyName));
}
serviceDocumentElements[0] = new List<ODataServiceDocumentElement>();
// Read the value of the 'value' property.
this.JsonReader.ReadStartArray();
DuplicatePropertyNamesChecker resourceCollectionDuplicatePropertyNamesChecker = this.CreateDuplicatePropertyNamesChecker();
while (this.JsonReader.NodeType != JsonNodeType.EndArray)
{
ODataServiceDocumentElement serviceDocumentElement = this.ReadServiceDocumentElement(resourceCollectionDuplicatePropertyNamesChecker);
if (serviceDocumentElement != null)
{
serviceDocumentElements[0].Add(serviceDocumentElement);
}
resourceCollectionDuplicatePropertyNamesChecker.Clear();
}
this.JsonReader.ReadEndArray();
}
else
{
throw new ODataException(Strings.ODataJsonLightServiceDocumentDeserializer_UnexpectedPropertyInServiceDocument(propertyName, JsonLightConstants.ODataValuePropertyName));
}
break;
case PropertyParsingResult.EndOfObject:
break;
case PropertyParsingResult.MetadataReferenceProperty:
throw new ODataException(Strings.ODataJsonLightPropertyAndValueDeserializer_UnexpectedMetadataReferenceProperty(propertyName));
}
});
}
if (serviceDocumentElements[0] == null)
{
throw new ODataException(Strings.ODataJsonLightServiceDocumentDeserializer_MissingValuePropertyInServiceDocument(JsonLightConstants.ODataValuePropertyName));
}
// Read over the end object (nothing else can happen after all properties have been read)
this.JsonReader.ReadEndObject();
return new ODataServiceDocument
{
EntitySets = new ReadOnlyEnumerable<ODataEntitySetInfo>(serviceDocumentElements[0].OfType<ODataEntitySetInfo>().ToList()),
FunctionImports = new ReadOnlyEnumerable<ODataFunctionImportInfo>(serviceDocumentElements[0].OfType<ODataFunctionImportInfo>().ToList()),
Singletons = new ReadOnlyEnumerable<ODataSingletonInfo>(serviceDocumentElements[0].OfType<ODataSingletonInfo>().ToList())
};
}
/// <summary>
/// Write the items of a collection in ATOM format.
/// </summary>
/// <param name="collectionValue">The collection value to write.</param>
/// <param name="propertyTypeReference">The type reference of the collection value (or null if not metadata is available).</param>
/// <param name="isOpenPropertyType">true if the type name belongs to an open property.</param>
/// <param name="isWritingCollection">true if we are writing a top-level collection instead of an entry.</param>
private void WriteCollectionValue(
ODataCollectionValue collectionValue,
IEdmTypeReference propertyTypeReference,
bool isOpenPropertyType,
bool isWritingCollection)
{
Debug.Assert(collectionValue != null, "collectionValue != null");
this.IncreaseRecursionDepth();
// resolve the type name to the type; if no type name is specified we will use the
// type inferred from metadata
IEdmCollectionTypeReference collectionTypeReference = (IEdmCollectionTypeReference)TypeNameOracle.ResolveAndValidateTypeForCollectionValue(this.Model, propertyTypeReference, collectionValue, isOpenPropertyType, this.WriterValidator);
string collectionItemTypeName;
string typeName = this.AtomOutputContext.TypeNameOracle.GetValueTypeNameForWriting(collectionValue, collectionTypeReference, collectionValue.GetAnnotation <SerializationTypeNameAnnotation>(), /*collectionValidator*/ null, out collectionItemTypeName);
if (typeName != null)
{
this.WritePropertyTypeAttribute(typeName);
}
// COMPAT 4: ATOM and JSON format for collections - The collection format is not formally specified yet, since it's a new feature
// If the official format deviates from the current WCFDS behavior we would have to introduce a back compat mode here as well.
IEdmTypeReference expectedItemTypeReference = collectionTypeReference == null ? null : collectionTypeReference.ElementType();
CollectionWithoutExpectedTypeValidator collectionValidator = new CollectionWithoutExpectedTypeValidator(collectionItemTypeName);
IEnumerable items = collectionValue.Items;
if (items != null)
{
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker = null;
foreach (object item in items)
{
ValidationUtils.ValidateCollectionItem(item, expectedItemTypeReference.IsNullable());
this.XmlWriter.WriteStartElement(AtomConstants.ODataMetadataNamespacePrefix, AtomConstants.ODataCollectionItemElementName, AtomConstants.ODataMetadataNamespace);
ODataComplexValue complexValue = item as ODataComplexValue;
if (complexValue != null)
{
if (duplicatePropertyNamesChecker == null)
{
duplicatePropertyNamesChecker = this.CreateDuplicatePropertyNamesChecker();
}
this.WriteComplexValue(
complexValue,
expectedItemTypeReference,
false,
isWritingCollection,
null /* beforeValueAction */,
null /* afterValueAction */,
duplicatePropertyNamesChecker,
collectionValidator,
null /* projectedProperties */);
duplicatePropertyNamesChecker.Clear();
}
else
{
Debug.Assert(!(item is ODataCollectionValue), "!(item is ODataCollectionValue)");
Debug.Assert(!(item is ODataStreamReferenceValue), "!(item is ODataStreamReferenceValue)");
ODataEnumValue enumValue = item as ODataEnumValue;
if (enumValue != null)
{
// Note: Currently there is no way for a user to control enum type's serializationTypeNameAnnotation information when the enum values are part of a collection.
this.WriteEnumValue(enumValue, collectionValidator, expectedItemTypeReference, /*serializationTypeNameAnnotation*/ null);
}
else
{
// Note: Currently there is no way for a user to control primitive type information when the primitive values are part of a collection.
if (item != null)
{
this.WritePrimitiveValue(item, collectionValidator, expectedItemTypeReference, /*serializationTypeNameAnnotation*/ null);
}
else
{
this.WriteNullCollectionElementValue(expectedItemTypeReference);
}
}
}
this.XmlWriter.WriteEndElement();
}
}
this.DecreaseRecursionDepth();
}
private object ReadNonEntityValueImplementation(
string payloadTypeName,
IEdmTypeReference expectedTypeReference,
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker,
CollectionWithoutExpectedTypeValidator collectionValidator,
bool validateNullValue,
bool isTopLevelPropertyValue,
bool insideComplexValue,
string propertyName,
bool? isDynamicProperty = null)
{
Debug.Assert(
this.JsonReader.NodeType == JsonNodeType.PrimitiveValue || this.JsonReader.NodeType == JsonNodeType.StartObject ||
this.JsonReader.NodeType == JsonNodeType.StartArray || (insideComplexValue && (this.JsonReader.NodeType == JsonNodeType.Property || this.JsonReader.NodeType == JsonNodeType.EndObject)),
"Pre-Condition: expected JsonNodeType.PrimitiveValue or JsonNodeType.StartObject or JsonNodeType.StartArray or JsonNodeTypeProperty (when inside complex value).");
Debug.Assert(
expectedTypeReference == null || !expectedTypeReference.IsODataEntityTypeKind(),
"Only primitive, complex or collection types can be read by this method.");
Debug.Assert(
expectedTypeReference == null || collectionValidator == null,
"If an expected value type reference is specified, no collection validator must be provided.");
bool valueIsJsonObject = this.JsonReader.NodeType == JsonNodeType.StartObject;
bool payloadTypeNameFromPropertyAnnotation = !insideComplexValue && payloadTypeName != null;
bool typeNameFoundInPayload = false;
if (valueIsJsonObject || insideComplexValue)
{
// If we have an object value initialize the duplicate property names checker
if (duplicatePropertyNamesChecker == null)
{
duplicatePropertyNamesChecker = this.CreateDuplicatePropertyNamesChecker();
}
else
{
duplicatePropertyNamesChecker.Clear();
}
// Read the payload type name
if (!insideComplexValue)
{
string typeName;
typeNameFoundInPayload = this.TryReadPayloadTypeFromObject(
duplicatePropertyNamesChecker,
insideComplexValue,
out typeName);
if (typeNameFoundInPayload)
{
payloadTypeName = typeName;
}
}
}
SerializationTypeNameAnnotation serializationTypeNameAnnotation;
EdmTypeKind targetTypeKind;
IEdmTypeReference targetTypeReference = ReaderValidationUtils.ResolvePayloadTypeNameAndComputeTargetType(
EdmTypeKind.None,
/*defaultPrimitivePayloadType*/ null,
expectedTypeReference,
payloadTypeName,
this.Model,
this.MessageReaderSettings,
this.GetNonEntityValueKind,
out targetTypeKind,
out serializationTypeNameAnnotation);
object result;
// Try to read a null value
if (ODataJsonReaderCoreUtils.TryReadNullValue(this.JsonReader, this.JsonLightInputContext, targetTypeReference, validateNullValue, propertyName, isDynamicProperty))
{
if (isTopLevelPropertyValue)
{
// For a top-level property value a special null marker object has to be used to indicate a null value.
// If we find a null value for a property at the top-level, it is an invalid payload
throw new ODataException(ODataErrorStrings.ODataJsonLightPropertyAndValueDeserializer_TopLevelPropertyWithPrimitiveNullValue(ODataAnnotationNames.ODataNull, JsonLightConstants.ODataNullAnnotationTrueValue));
}
else if (validateNullValue && (targetTypeReference != null) && (!targetTypeReference.IsNullable))
{
// For dynamic collection property, we should allow null value to be assigned to it.
if (targetTypeKind != EdmTypeKind.Collection || isDynamicProperty != true)
{
// A null value was found for the property named '{0}', which has the expected type '{1}[Nullable=False]'. The expected type '{1}[Nullable=False]' does not allow null values.
throw new ODataException(ODataErrorStrings.ReaderValidationUtils_NullNamedValueForNonNullableType(propertyName, targetTypeReference.FullName()));
}
}
result = null;
}
else
{
Debug.Assert(
!valueIsJsonObject || this.JsonReader.NodeType == JsonNodeType.Property || this.JsonReader.NodeType == JsonNodeType.EndObject,
"If the value was an object the reader must be on either property or end object.");
switch (targetTypeKind)
{
case EdmTypeKind.Primitive:
Debug.Assert(targetTypeReference == null || targetTypeReference.IsODataPrimitiveTypeKind(), "Expected an OData primitive type.");
IEdmPrimitiveTypeReference primitiveTargetTypeReference = targetTypeReference == null ? null : targetTypeReference.AsPrimitive();
// If we found an odata.type annotation inside a primitive value, we have to fail; type annotations
// for primitive values are property annotations, not instance annotations inside the value.
if (typeNameFoundInPayload)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightPropertyAndValueDeserializer_ODataTypeAnnotationInPrimitiveValue(ODataAnnotationNames.ODataType));
}
result = this.ReadPrimitiveValue(
valueIsJsonObject,
primitiveTargetTypeReference,
validateNullValue,
propertyName);
break;
case EdmTypeKind.Enum:
Debug.Assert(targetTypeReference == null || targetTypeReference.IsODataEnumTypeKind(), "Expected an OData enum type.");
IEdmEnumTypeReference enumTargetTypeReference = targetTypeReference == null ? null : targetTypeReference.AsEnum();
result = this.ReadEnumValue(
valueIsJsonObject,
enumTargetTypeReference,
validateNullValue,
propertyName);
break;
case EdmTypeKind.Complex:
Debug.Assert(targetTypeReference == null || targetTypeReference.IsComplex(), "Expected null or a complex type.");
if (payloadTypeNameFromPropertyAnnotation)
{
// We already have type name specified as annotation on the parent property.
// OData type property annotation on a complex value - fail.
throw new ODataException(ODataErrorStrings.ODataJsonLightPropertyAndValueDeserializer_ComplexValueWithPropertyTypeAnnotation(ODataAnnotationNames.ODataType));
}
if (!valueIsJsonObject && !insideComplexValue)
{
this.JsonReader.ReadStartObject();
}
result = this.ReadComplexValue(
targetTypeReference == null ? null : targetTypeReference.AsComplex(),
payloadTypeName,
serializationTypeNameAnnotation,
duplicatePropertyNamesChecker);
break;
case EdmTypeKind.Collection:
IEdmCollectionTypeReference collectionTypeReference = ValidationUtils.ValidateCollectionType(targetTypeReference);
if (valueIsJsonObject)
{
// We manually throw JSON exception here to get a nicer error message (we expect array value and got object).
// Otherwise the ReadCollectionValue would fail with something like "expected array value but found property/end object" which is rather confusing.
throw new ODataException(ODataErrorStrings.JsonReaderExtensions_UnexpectedNodeDetectedWithPropertyName(JsonNodeType.StartArray, JsonNodeType.StartObject, propertyName));
}
result = this.ReadCollectionValue(
collectionTypeReference,
payloadTypeName,
serializationTypeNameAnnotation);
break;
case EdmTypeKind.TypeDefinition:
result = this.ReadTypeDefinitionValue(
valueIsJsonObject,
expectedTypeReference.AsTypeDefinition(),
validateNullValue,
propertyName);
break;
default:
throw new ODataException(ODataErrorStrings.General_InternalError(InternalErrorCodes.ODataJsonLightPropertyAndValueDeserializer_ReadPropertyValue));
}
// If we have no expected type make sure the collection items are of the same kind and specify the same name.
if (collectionValidator != null)
{
string payloadTypeNameFromResult = ODataJsonLightReaderUtils.GetPayloadTypeName(result);
Debug.Assert(expectedTypeReference == null, "If a collection validator is specified there must not be an expected value type reference.");
collectionValidator.ValidateCollectionItem(payloadTypeNameFromResult, targetTypeKind);
}
}
return result;
}
public void WriteCollectionValue(ODataCollectionValue collectionValue, IEdmTypeReference metadataTypeReference, bool isTopLevelProperty, bool isInUri, bool isOpenPropertyType)
{
Debug.Assert(collectionValue != null, "collectionValue != null");
Debug.Assert(!isTopLevelProperty || !isInUri, "Cannot be a top level property and in a uri");
this.IncreaseRecursionDepth();
// If the CollectionValue has type information write out the metadata and the type in it.
string typeName = collectionValue.TypeName;
if (isTopLevelProperty)
{
Debug.Assert(metadataTypeReference == null, "Never expect a metadata type for top-level properties.");
if (typeName == null)
{
throw new ODataException(ODataErrorStrings.ODataJsonLightValueSerializer_MissingTypeNameOnCollection);
}
}
else
{
// In requests, we allow the metadata type reference to be null if the type name is specified in the OM
if (metadataTypeReference == null && !this.WritingResponse && typeName == null && this.Model.IsUserModel())
{
throw new ODataException(ODataErrorStrings.ODataJsonLightPropertyAndValueSerializer_NoExpectedTypeOrTypeNameSpecifiedForCollectionValueInRequest);
}
}
// resolve the type name to the type; if no type name is specified we will use the
// type inferred from metadata
IEdmCollectionTypeReference collectionTypeReference = (IEdmCollectionTypeReference)TypeNameOracle.ResolveAndValidateTypeNameForValue(this.Model, metadataTypeReference, collectionValue, isOpenPropertyType);
typeName = this.JsonLightOutputContext.TypeNameOracle.GetValueTypeNameForWriting(collectionValue, metadataTypeReference, collectionTypeReference, isOpenPropertyType);
bool useValueProperty = isInUri && !string.IsNullOrEmpty(typeName);
if (useValueProperty)
{
// "{"
this.JsonWriter.StartObjectScope();
ODataJsonLightWriterUtils.WriteODataTypeInstanceAnnotation(this.JsonWriter, typeName);
this.JsonWriter.WriteValuePropertyName();
}
// [
// This represents the array of items in the CollectionValue
this.JsonWriter.StartArrayScope();
// Iterate through the CollectionValue items and write them out (treat null Items as an empty enumeration)
IEnumerable items = collectionValue.Items;
if (items != null)
{
IEdmTypeReference expectedItemTypeReference = collectionTypeReference == null ? null : collectionTypeReference.ElementType();
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker = null;
foreach (object item in items)
{
ValidationUtils.ValidateCollectionItem(item, expectedItemTypeReference.IsNullable());
ODataComplexValue itemAsComplexValue = item as ODataComplexValue;
if (itemAsComplexValue != null)
{
if (duplicatePropertyNamesChecker == null)
{
duplicatePropertyNamesChecker = this.CreateDuplicatePropertyNamesChecker();
}
this.WriteComplexValue(
itemAsComplexValue,
expectedItemTypeReference,
false /*isTopLevel*/,
false /*isOpenPropertyType*/,
duplicatePropertyNamesChecker);
duplicatePropertyNamesChecker.Clear();
}
else
{
Debug.Assert(!(item is ODataCollectionValue), "!(item is ODataCollectionValue)");
Debug.Assert(!(item is ODataStreamReferenceValue), "!(item is ODataStreamReferenceValue)");
// by design: collection element's type name is not written for enum or non-spatial primitive value even in case of full metadata.
// because enum and non-spatial primitive types don't have inheritance, the type of each element is the same as the item type of the collection, whose type name for spatial types in full metadata mode.
ODataEnumValue enumValue = item as ODataEnumValue;
if (enumValue != null)
{
this.WriteEnumValue(enumValue, expectedItemTypeReference);
}
else
{
if (item != null)
{
this.WritePrimitiveValue(item, expectedItemTypeReference);
}
else
{
this.WriteNullValue();
}
}
}
}
}
// End the array scope which holds the items
this.JsonWriter.EndArrayScope();
if (useValueProperty)
{
this.JsonWriter.EndObjectScope();
}
this.DecreaseRecursionDepth();
}
private ODataComplexValue ReadComplexValueImplementation(IEdmComplexTypeReference complexValueTypeReference, string payloadTypeName, SerializationTypeNameAnnotation serializationTypeNameAnnotation, DuplicatePropertyNamesChecker duplicatePropertyNamesChecker)
{
this.IncreaseRecursionDepth();
base.JsonReader.ReadStartObject();
ODataComplexValue value2 = new ODataComplexValue {
TypeName = (complexValueTypeReference != null) ? complexValueTypeReference.ODataFullName() : payloadTypeName
};
if (serializationTypeNameAnnotation != null)
{
value2.SetAnnotation <SerializationTypeNameAnnotation>(serializationTypeNameAnnotation);
}
if (duplicatePropertyNamesChecker == null)
{
duplicatePropertyNamesChecker = base.CreateDuplicatePropertyNamesChecker();
}
else
{
duplicatePropertyNamesChecker.Clear();
}
List <ODataProperty> sourceList = new List <ODataProperty>();
bool flag = false;
while (base.JsonReader.NodeType == JsonNodeType.Property)
{
string strB = base.JsonReader.ReadPropertyName();
if (string.CompareOrdinal("__metadata", strB) == 0)
{
if (flag)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonPropertyAndValueDeserializer_MultipleMetadataPropertiesInComplexValue);
}
flag = true;
base.JsonReader.SkipValue();
}
else if (!ValidationUtils.IsValidPropertyName(strB))
{
base.JsonReader.SkipValue();
}
else
{
ODataProperty property = new ODataProperty {
Name = strB
};
IEdmProperty property2 = null;
bool ignoreProperty = false;
if (complexValueTypeReference != null)
{
property2 = ReaderValidationUtils.ValidateValuePropertyDefined(strB, complexValueTypeReference.ComplexDefinition(), base.MessageReaderSettings, out ignoreProperty);
}
if (ignoreProperty)
{
base.JsonReader.SkipValue();
continue;
}
ODataNullValueBehaviorKind kind = (base.ReadingResponse || (property2 == null)) ? ODataNullValueBehaviorKind.Default : base.Model.NullValueReadBehaviorKind(property2);
object obj2 = this.ReadNonEntityValueImplementation((property2 == null) ? null : property2.Type, null, null, kind == ODataNullValueBehaviorKind.Default);
if ((kind != ODataNullValueBehaviorKind.IgnoreValue) || (obj2 != null))
{
duplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(property);
property.Value = obj2;
sourceList.Add(property);
}
}
}
base.JsonReader.ReadEndObject();
value2.Properties = new ReadOnlyEnumerable <ODataProperty>(sourceList);
this.DecreaseRecursionDepth();
return(value2);
}