/// <summary>
/// Deserializes the given <paramref name="entryWrapper"/> under the given <paramref name="readContext"/>.
/// </summary>
/// <param name="entryWrapper">The OData entry to deserialize.</param>
/// <param name="entityType">The entity type of the entry to deserialize.</param>
/// <param name="readContext">The deserializer context.</param>
/// <returns>The deserialized entity.</returns>
public virtual object ReadEntry(ODataEntryWithNavigationLinks entryWrapper, IEdmEntityTypeReference entityType,
ODataDeserializerContext readContext)
{
if (entryWrapper == null)
{
throw Error.ArgumentNull("entryWrapper");
}
if (readContext == null)
{
throw Error.ArgumentNull("readContext");
}
if (!String.IsNullOrEmpty(entryWrapper.Entry.TypeName) && entityType.FullName() != entryWrapper.Entry.TypeName)
{
// received a derived type in a base type deserializer. delegate it to the appropriate derived type deserializer.
IEdmModel model = readContext.Model;
if (model == null)
{
throw Error.Argument("readContext", SRResources.ModelMissingFromReadContext);
}
IEdmEntityType actualType = model.FindType(entryWrapper.Entry.TypeName) as IEdmEntityType;
if (actualType == null)
{
throw new ODataException(Error.Format(SRResources.EntityTypeNotInModel, entryWrapper.Entry.TypeName));
}
if (actualType.IsAbstract)
{
string message = Error.Format(SRResources.CannotInstantiateAbstractEntityType, entryWrapper.Entry.TypeName);
throw new ODataException(message);
}
IEdmTypeReference actualEntityType = new EdmEntityTypeReference(actualType, isNullable: false);
ODataEdmTypeDeserializer deserializer = DeserializerProvider.GetEdmTypeDeserializer(actualEntityType);
if (deserializer == null)
{
throw new SerializationException(
Error.Format(SRResources.TypeCannotBeDeserialized, actualEntityType.FullName(), typeof(ODataMediaTypeFormatter).Name));
}
object resource = deserializer.ReadInline(entryWrapper, actualEntityType, readContext);
EdmStructuredObject structuredObject = resource as EdmStructuredObject;
if (structuredObject != null)
{
structuredObject.ExpectedEdmType = entityType.EntityDefinition();
}
return(resource);
}
else
{
object resource = CreateEntityResource(entityType, readContext);
ApplyEntityProperties(resource, entryWrapper, entityType, readContext);
return(resource);
}
}
/// <summary>
/// Deserializes the given <paramref name="collectionValue"/> under the given <paramref name="readContext"/>.
/// </summary>
/// <param name="collectionValue">The <see cref="ODataCollectionValue"/> to deserialize.</param>
/// <param name="elementType">The element type of the collection to read.</param>
/// <param name="readContext">The deserializer context.</param>
/// <returns>The deserialized collection.</returns>
public virtual IEnumerable ReadCollectionValue(ODataCollectionValue collectionValue, IEdmTypeReference elementType,
ODataDeserializerContext readContext)
{
if (collectionValue == null)
{
throw Error.ArgumentNull("collectionValue");
}
if (elementType == null)
{
throw Error.ArgumentNull("elementType");
}
ODataEdmTypeDeserializer deserializer = DeserializerProvider.GetEdmTypeDeserializer(elementType);
if (deserializer == null)
{
throw new SerializationException(
Error.Format(SRResources.TypeCannotBeDeserialized, elementType.FullName(), typeof(ODataMediaTypeFormatter).Name));
}
foreach (object entry in collectionValue.Items)
{
if (elementType.IsPrimitive())
{
yield return(entry);
}
else
{
yield return(deserializer.ReadInline(entry, elementType, readContext));
}
}
}
private static object ConvertCollectionValue(ODataCollectionValue collection, IEdmTypeReference propertyType, ODataDeserializerProvider deserializerProvider, ODataDeserializerContext readContext)
{
IEdmCollectionTypeReference collectionType = propertyType as IEdmCollectionTypeReference;
Contract.Assert(collectionType != null, "The type for collection must be a IEdmCollectionType.");
ODataEdmTypeDeserializer deserializer = deserializerProvider.GetEdmTypeDeserializer(collectionType);
return(deserializer.ReadInline(collection, readContext));
}
private object Convert(object value, IEdmTypeReference parameterType, ODataDeserializerContext readContext)
{
if (parameterType.IsPrimitive())
{
return(value);
}
else
{
ODataEdmTypeDeserializer deserializer = DeserializerProvider.GetEdmTypeDeserializer(parameterType);
return(deserializer.ReadInline(value, parameterType, readContext));
}
}
/// <summary>
/// Deserializes the given <paramref name="feed"/> under the given <paramref name="readContext"/>.
/// </summary>
/// <param name="feed">The feed to deserialize.</param>
/// <param name="readContext">The deserializer context.</param>
/// <param name="elementType">The element type of the feed being read.</param>
/// <returns>The deserialized feed object.</returns>
public virtual IEnumerable ReadFeed(ODataFeedWithEntries feed, IEdmEntityTypeReference elementType, ODataDeserializerContext readContext)
{
ODataEdmTypeDeserializer deserializer = DeserializerProvider.GetEdmTypeDeserializer(elementType);
if (deserializer == null)
{
throw new SerializationException(
Error.Format(SRResources.TypeCannotBeDeserialized, elementType.FullName(), typeof(ODataMediaTypeFormatter).Name));
}
foreach (ODataEntryWithNavigationLinks entry in feed.Entries)
{
yield return(deserializer.ReadInline(entry, elementType, readContext));
}
}
private void ApplyFeedInNavigationProperty(IEdmNavigationProperty navigationProperty, object entityResource, ODataFeedWithEntries feed, ODataDeserializerContext readContext)
{
Contract.Assert(navigationProperty != null && navigationProperty.PropertyKind == EdmPropertyKind.Navigation, "navigationProperty != null && navigationProperty.TypeKind == ResourceTypeKind.EntityType");
Contract.Assert(entityResource != null, "entityResource != null");
if (readContext.IsDeltaOfT)
{
string message = Error.Format(SRResources.CannotPatchNavigationProperties, navigationProperty.Name, navigationProperty.DeclaringEntityType().FullName());
throw new ODataException(message);
}
ODataEdmTypeDeserializer deserializer = DeserializerProvider.GetEdmTypeDeserializer(navigationProperty.Type);
if (deserializer == null)
{
throw new SerializationException(Error.Format(SRResources.TypeCannotBeDeserialized, navigationProperty.Type.FullName(), typeof(ODataMediaTypeFormatter)));
}
object value = deserializer.ReadInline(feed, navigationProperty.Type, readContext);
DeserializationHelpers.SetCollectionProperty(entityResource, navigationProperty, value);
}
private static object ConvertComplexValue(ODataComplexValue complexValue, ref IEdmTypeReference propertyType, ODataDeserializerProvider deserializerProvider, ODataDeserializerContext readContext)
{
IEdmComplexTypeReference edmComplexType;
if (propertyType == null)
{
// open complex property
Contract.Assert(!String.IsNullOrEmpty(complexValue.TypeName), "ODataLib should have verified that open complex value has a type name since we provided metadata.");
IEdmModel model = readContext.Model;
IEdmType edmType = model.FindType(complexValue.TypeName);
Contract.Assert(edmType.TypeKind == EdmTypeKind.Complex, "ODataLib should have verified that complex value has a complex resource type.");
edmComplexType = new EdmComplexTypeReference(edmType as IEdmComplexType, isNullable: true);
}
else
{
edmComplexType = propertyType.AsComplex();
}
ODataEdmTypeDeserializer deserializer = deserializerProvider.GetEdmTypeDeserializer(edmComplexType);
return(deserializer.ReadInline(complexValue, readContext));
}
/// <inheritdoc />
public override object Read(ODataMessageReader messageReader, Type type, ODataDeserializerContext readContext)
{
if (messageReader == null)
{
throw Error.ArgumentNull("messageReader");
}
IEdmFunctionImport action = GetFunctionImport(readContext);
// Create the correct resource type;
Dictionary <string, object> payload;
if (type == typeof(ODataActionParameters))
{
payload = new ODataActionParameters();
}
else
{
payload = new ODataUntypedActionParameters(action);
}
ODataParameterReader reader = messageReader.CreateODataParameterReader(action);
while (reader.Read())
{
string parameterName = null;
IEdmFunctionParameter parameter = null;
switch (reader.State)
{
case ODataParameterReaderState.Value:
parameterName = reader.Name;
parameter = action.Parameters.SingleOrDefault(p => p.Name == parameterName);
// ODataLib protects against this but asserting just in case.
Contract.Assert(parameter != null, String.Format(CultureInfo.InvariantCulture, "Parameter '{0}' not found.", parameterName));
if (parameter.Type.IsPrimitive())
{
payload[parameterName] = reader.Value;
}
else
{
ODataEdmTypeDeserializer deserializer = DeserializerProvider.GetEdmTypeDeserializer(parameter.Type);
payload[parameterName] = deserializer.ReadInline(reader.Value, parameter.Type, readContext);
}
break;
case ODataParameterReaderState.Collection:
parameterName = reader.Name;
parameter = action.Parameters.SingleOrDefault(p => p.Name == parameterName);
// ODataLib protects against this but asserting just in case.
Contract.Assert(parameter != null, String.Format(CultureInfo.InvariantCulture, "Parameter '{0}' not found.", parameterName));
IEdmCollectionTypeReference collectionType = parameter.Type as IEdmCollectionTypeReference;
Contract.Assert(collectionType != null);
ODataCollectionValue value = ODataCollectionDeserializer.ReadCollection(reader.CreateCollectionReader());
ODataCollectionDeserializer collectionDeserializer = DeserializerProvider.GetEdmTypeDeserializer(collectionType) as ODataCollectionDeserializer;
payload[parameterName] = collectionDeserializer.ReadInline(value, collectionType, readContext);
break;
default:
break;
}
}
return(payload);
}