public static ODataSerializerProvider GetMockODataSerializerProvider(ODataEdmTypeSerializer serializer)
{
Mock <ODataSerializerProvider> serializerProvider = new Mock <ODataSerializerProvider>();
serializerProvider.Setup(sp => sp.GetEdmTypeSerializer(It.IsAny <IEdmTypeReference>())).Returns(serializer);
return(serializerProvider.Object);
}
/// <summary>
/// Gets an <see cref="T:System.Web.OData.Formatter.Serialization.ODataEdmTypeSerializer"/> for the given edmType.
///
/// </summary>
/// <param name="edmType">The <see cref="T:Microsoft.OData.Edm.IEdmTypeReference"/>.</param>
/// <returns>
/// The <see cref="T:System.Web.OData.Formatter.Serialization.ODataSerializer"/>.
/// </returns>
public override ODataEdmTypeSerializer GetEdmTypeSerializer(IEdmTypeReference edmType)
{
ODataEdmTypeSerializer serializer = base.GetEdmTypeSerializer(edmType);
if (serializer is ODataFeedSerializer)
{
serializer = _feedSerializer;
}
return(serializer);
}
public void GetEdmTypeSerializer_ReturnODataEnumSerializer_ForEnumType()
{
// Arrange
IEdmTypeReference edmType = new EdmEnumTypeReference(new EdmEnumType("TestModel", "Color"), isNullable: false);
// Act
ODataEdmTypeSerializer serializer = _serializerProvider.GetEdmTypeSerializer(edmType);
// Assert
Assert.NotNull(serializer);
Assert.IsType <ODataEnumSerializer>(serializer);
}
private void WriteFeed(IEnumerable enumerable, IEdmTypeReference feedType, ODataWriter writer,
ODataSerializerContext writeContext)
{
IEdmEntityTypeReference elementType = null;
if (feedType.IsCollection())
{
IEdmTypeReference refer = feedType.AsCollection().ElementType();
if (refer.IsEntity())
{
elementType = refer.AsEntity();
}
}
Debug.Assert(elementType != null);
ODataFeed feed = CreateODataFeed(enumerable, feedType.AsCollection(), writeContext);
Debug.Assert(feed != null);
ODataEdmTypeSerializer entrySerializer = SerializerProvider.GetEdmTypeSerializer(elementType);
Debug.Assert(entrySerializer is CustomEntrySerializer);
// save this for later to support JSON odata.streaming.
Uri nextPageLink = feed.NextPageLink;
feed.NextPageLink = null;
writer.WriteStart(feed);
foreach (object entry in enumerable)
{
entrySerializer.WriteObjectInline(entry, elementType, writer, writeContext);
}
// Subtle and suprising behavior: If the NextPageLink property is set before calling WriteStart(feed),
// the next page link will be written early in a manner not compatible with odata.streaming=true. Instead, if
// the next page link is not set when calling WriteStart(feed) but is instead set later on that feed
// object before calling WriteEnd(), the next page link will be written at the end, as required for
// odata.streaming=true support.
if (nextPageLink != null)
{
feed.NextPageLink = nextPageLink;
}
writer.WriteEnd();
}
public override ODataEdmTypeSerializer GetEdmTypeSerializer(IEdmTypeReference edmType)
{
switch (edmType.TypeKind())
{
case EdmTypeKind.Enum:
ODataEdmTypeSerializer enumSerializer = base.GetEdmTypeSerializer(edmType);
return(enumSerializer);
case EdmTypeKind.Primitive:
ODataEdmTypeSerializer primitiveSerializer = base.GetEdmTypeSerializer(edmType);
return(primitiveSerializer);
case EdmTypeKind.Collection:
IEdmCollectionTypeReference collectionType = edmType.AsCollection();
if (collectionType.ElementType().IsEntity())
{
ODataEdmTypeSerializer feedSerializer = base.GetEdmTypeSerializer(edmType);
return(feedSerializer);
}
else
{
ODataEdmTypeSerializer collectionSerializer = base.GetEdmTypeSerializer(edmType);
return(collectionSerializer);
}
case EdmTypeKind.Complex:
ODataEdmTypeSerializer complexTypeSerializer = base.GetEdmTypeSerializer(edmType);
return(complexTypeSerializer);
case EdmTypeKind.Entity:
ODataEdmTypeSerializer entityTypeSerializer = new ODataEntityTypeSerializer(this);
return(entityTypeSerializer);
default:
return(null);
}
}
public CustomSerializerProvider(Func <DefaultODataSerializerProvider, ODataEdmTypeSerializer> factory)
{
_entitySerializer = factory(this);
}
/// <summary>
/// Appends the dynamic properties of primitive, enum or the collection of them into the given <see cref="ODataResource"/>.
/// If the dynamic property is a property of the complex or collection of complex, it will be saved into
/// the dynamic complex properties dictionary of <paramref name="resourceContext"/> and be written later.
/// </summary>
/// <param name="resource">The <see cref="ODataResource"/> describing the resource.</param>
/// <param name="selectExpandNode">The <see cref="SelectExpandNode"/> describing the response graph.</param>
/// <param name="resourceContext">The context for the resource instance being written.</param>
public override void AppendDynamicProperties(ODataResource resource, SelectExpandNode selectExpandNode,
ResourceContext resourceContext)
{
if (!resourceContext.StructuredType.IsOpen || // non-open type
(!selectExpandNode.SelectAllDynamicProperties && selectExpandNode.SelectedDynamicProperties == null))
{
return;
}
bool nullDynamicPropertyEnabled = true; // false
if (resourceContext.EdmObject is EdmDeltaComplexObject || resourceContext.EdmObject is EdmDeltaEntityObject)
{
nullDynamicPropertyEnabled = true;
}
IEdmStructuredType structuredType = resourceContext.StructuredType;
IEdmStructuredObject structuredObject = resourceContext.EdmObject;
object value;
IDelta delta = structuredObject as IDelta;
if (delta == null)
{
PropertyInfo dynamicPropertyInfo = GetDynamicPropertyDictionary(structuredType,
resourceContext.EdmModel);
if (dynamicPropertyInfo == null || structuredObject == null ||
!structuredObject.TryGetPropertyValue(dynamicPropertyInfo.Name, out value) || value == null)
{
return;
}
}
else
{
value = ((EdmStructuredObject)structuredObject).TryGetDynamicProperties();
}
IDictionary <string, object> dynamicPropertyDictionary = (IDictionary <string, object>)value;
// Build a HashSet to store the declared property names.
// It is used to make sure the dynamic property name is different from all declared property names.
//HashSet<string> declaredPropertyNameSet = new HashSet<string>(resource.Properties.Select(p => p.Name));
List <ODataProperty> dynamicProperties = new List <ODataProperty>();
// To test SelectedDynamicProperties == null is enough to filter the dynamic properties.
// Because if SelectAllDynamicProperties == true, SelectedDynamicProperties should be null always.
// So `selectExpandNode.SelectedDynamicProperties == null` covers `SelectAllDynamicProperties == true` scenario.
// If `selectExpandNode.SelectedDynamicProperties != null`, then we should test whether the property is selected or not using "Contains(...)".
IEnumerable <KeyValuePair <string, object> > dynamicPropertiesToSelect =
dynamicPropertyDictionary.Where(x => selectExpandNode.SelectedDynamicProperties == null || selectExpandNode.SelectedDynamicProperties.Contains(x.Key));
foreach (KeyValuePair <string, object> dynamicProperty in dynamicPropertiesToSelect)
{
if (string.IsNullOrWhiteSpace(dynamicProperty.Key))
{
continue;
}
if (dynamicProperty.Value == null)
{
if (nullDynamicPropertyEnabled)
{
dynamicProperties.Add(new ODataProperty
{
Name = dynamicProperty.Key,
Value = new ODataNullValue()
});
}
continue;
}
//if (declaredPropertyNameSet.Contains(dynamicProperty.Key))
//{
//continue;
//}
IEdmTypeReference edmTypeReference = GetEdmType(dynamicProperty.Value,
dynamicProperty.Value.GetType());
//for non navigational properties it will be null
if (edmTypeReference == null)
{
dynamicProperties.Add(new ODataProperty
{
Name = dynamicProperty.Key,
Value = new ODataUntypedValue
{
RawValue = JsonConvert.SerializeObject(dynamicProperty.Value, new JsonSerializerSettings
{
ReferenceLoopHandling = ReferenceLoopHandling.Ignore,
TypeNameHandling = TypeNameHandling.None
}),
TypeAnnotation = new ODataTypeAnnotation(typeof(string).Name)
},
});
}
else if (edmTypeReference != null)
{
if (edmTypeReference.IsStructured() ||
(edmTypeReference.IsCollection() && edmTypeReference.AsCollection().ElementType().IsStructured()))
{
if (resourceContext.DynamicComplexProperties == null)
{
resourceContext.DynamicComplexProperties = new ConcurrentDictionary <string, object>();
}
resourceContext.DynamicComplexProperties.Add(dynamicProperty);
}
else
{
ODataEdmTypeSerializer propertySerializer = SerializerProvider.GetEdmTypeSerializer(edmTypeReference);
if (propertySerializer == null)
{
throw new InvalidOperationException($"Required serilizer for type {edmTypeReference.FullName()} not found");
}
dynamicProperties.Add(CreateProperty(
dynamicProperty.Value, edmTypeReference, dynamicProperty.Key, resourceContext.SerializerContext));
}
}
}
if (dynamicProperties.Any())
{
resource.Properties = resource.Properties.Concat(dynamicProperties);
}
}
public ODataPackageDefaultStreamAwareSerializerProvider()
{
this.entitySerializer = new ODataPackageDefaultStreamAwareEntityTypeSerializer(this);
}
