public ODataResource CreateEntry(Object entity)
{
var odataProperties = new ODataProperty[Accessors.Length];
for (int i = 0; i < Accessors.Length; i++)
{
OePropertyAccessor accessor = Accessors[i];
Object value = accessor.Accessor(entity);
ODataValue odataValue = null;
if (value == null)
{
odataValue = new ODataNullValue();
}
else if (value.GetType().IsEnum)
{
odataValue = new ODataEnumValue(value.ToString());
}
else if (value is DateTime dateTime)
{
switch (dateTime.Kind)
{
case DateTimeKind.Unspecified:
value = new DateTimeOffset(DateTime.SpecifyKind(dateTime, DateTimeKind.Utc));
break;
case DateTimeKind.Utc:
value = new DateTimeOffset(dateTime);
break;
case DateTimeKind.Local:
value = new DateTimeOffset(dateTime.ToUniversalTime());
break;
default:
throw new ArgumentOutOfRangeException("unknown DateTimeKind " + dateTime.Kind.ToString());
}
odataValue = new ODataPrimitiveValue(value);
}
else
{
odataValue = new ODataPrimitiveValue(value);
}
odataValue.TypeAnnotation = accessor.TypeAnnotation;
odataProperties[i] = new ODataProperty()
{
Name = accessor.Name, Value = odataValue
};
}
return(new ODataResource
{
TypeName = _typeName,
Properties = odataProperties
});
}
internal static object ConvertValue(
object odataValue,
Type expectedReturnType,
IEdmTypeReference propertyType,
IEdmModel model,
ApiContext apiContext)
{
ODataDeserializerContext readContext = new ODataDeserializerContext
{
Model = model
};
ODataDeserializerProvider deserializerProvider = apiContext.GetApiService <ODataDeserializerProvider>();
if (odataValue == null)
{
return(null);
}
ODataNullValue nullValue = odataValue as ODataNullValue;
if (nullValue != null)
{
return(null);
}
ODataComplexValue complexValue = odataValue as ODataComplexValue;
if (complexValue != null)
{
ODataEdmTypeDeserializer deserializer
= deserializerProvider.GetEdmTypeDeserializer(propertyType.AsComplex());
return(deserializer.ReadInline(complexValue, propertyType, readContext));
}
ODataEnumValue enumValue = odataValue as ODataEnumValue;
if (enumValue != null)
{
ODataEdmTypeDeserializer deserializer
= deserializerProvider.GetEdmTypeDeserializer(propertyType.AsEnum());
return(deserializer.ReadInline(enumValue, propertyType, readContext));
}
ODataCollectionValue collection = odataValue as ODataCollectionValue;
if (collection != null)
{
ODataEdmTypeDeserializer deserializer
= deserializerProvider.GetEdmTypeDeserializer(propertyType as IEdmCollectionTypeReference);
var collectionResult = deserializer.ReadInline(collection, propertyType, readContext);
return(ConvertCollectionType(collectionResult, expectedReturnType));
}
return(odataValue);
}
public void ConvertEnumValue_ThrowsValidationException_NonEnumType()
{
// Arrange & Act & Assert
ODataEnumValue enumValue = new ODataEnumValue("Red");
ExceptionAssert.Throws <InvalidOperationException>(
() => EnumDeserializationHelpers.ConvertEnumValue(enumValue, typeof(int)),
"The type 'Int32' must be an enum or Nullable<T> where T is an enum type.");
}
/// <summary>
/// Converts an enum value to a string for use in a Url.
/// </summary>
/// <param name="value">Value to convert.</param>
/// <param name="version">OData version to be compliant with.</param>
/// <returns>A string representation of <paramref name="value"/> to be added to a Url.</returns>
internal static string ConvertToUriEnumLiteral(ODataEnumValue value, ODataVersion version)
{
ExceptionUtils.CheckArgumentNotNull(value, "value");
ExceptionUtils.CheckArgumentNotNull(value.TypeName, "value.TypeName");
ExceptionUtils.CheckArgumentNotNull(value.Value, "value.Value");
// not URL-encode the resulting string:
return string.Format(CultureInfo.InvariantCulture, "{0}'{1}'", value.TypeName, value.Value);
}
/// <summary>
/// Converts an enum value to a string for use in a Url.
/// </summary>
/// <param name="value">Value to convert.</param>
/// <param name="version">OData version to be compliant with.</param>
/// <returns>A string representation of <paramref name="value"/> to be added to a Url.</returns>
internal static string ConvertToUriEnumLiteral(ODataEnumValue value, ODataVersion version)
{
ExceptionUtils.CheckArgumentNotNull(value, "value");
ExceptionUtils.CheckArgumentNotNull(value.TypeName, "value.TypeName");
ExceptionUtils.CheckArgumentNotNull(value.Value, "value.Value");
// not URL-encode the resulting string:
return(string.Format(CultureInfo.InvariantCulture, "{0}'{1}'", value.TypeName, value.Value));
}
public void SetCoverColors(ODataCollectionValue values)
{
this.CoverColors = new Collection <Color>();
foreach (var item in values.Items)
{
ODataEnumValue enumItem = item as ODataEnumValue;
this.CoverColors.Add((Color)Enum.Parse(typeof(Color), enumItem.Value));
}
}
public void ConvertEnumValue_ReturnEnumValue_ForEnumType()
{
// Arrange
object value = new ODataEnumValue("Red");
Type type = typeof(Color);
// Act & Assert
Assert.Equal(Enum.ToObject(typeof(Color), Color.Red), EnumDeserializationHelpers.ConvertEnumValue(value, type));
}
public void EnumTypeCollectionRoundtripJsonLightTest()
{
ODataEnumValue subject0 = new ODataEnumValue("Red", "NS.ColorFlags");
ODataEnumValue subject1 = new ODataEnumValue("123", "NS.ColorFlags");
ODataCollectionValue complexCollectionValue = new ODataCollectionValue {
TypeName = "Collection(NS.ColorFlags)", Items = new[] { subject0, subject1 }
};
this.VerifyNonPrimitiveTypeRoundtrip(complexCollectionValue, "ClothesColors");
}
/// <summary>
/// Writes a enum property.
/// </summary>
/// <param name="enumValue">The enum value to be written.</param>
/// <param name="isOpenPropertyType">If the property is open.</param>
private void WriteEnumProperty(
ODataEnumValue enumValue,
bool isOpenPropertyType)
{
ResolveEnumValueTypeName(enumValue, isOpenPropertyType);
this.WritePropertyTypeName();
this.JsonWriter.WriteName(this.currentPropertyInfo.WireName);
this.JsonLightValueSerializer.WriteEnumValue(enumValue, this.currentPropertyInfo.MetadataType.TypeReference);
}
private static ODataResource CreateEntry(Object entity, PropertyInfo[] structuralProperties)
{
Type clrEntityType = entity.GetType();
var odataProperties = new ODataProperty[structuralProperties.Length];
for (int i = 0; i < odataProperties.Length; i++)
{
Object value = structuralProperties[i].GetValue(entity);
ODataValue odataValue = null;
if (value == null)
{
odataValue = new ODataNullValue();
}
else if (value.GetType().IsEnum)
{
odataValue = new ODataEnumValue(value.ToString());
}
else if (value is DateTime dateTime)
{
switch (dateTime.Kind)
{
case DateTimeKind.Unspecified:
value = new DateTimeOffset(DateTime.SpecifyKind(dateTime, DateTimeKind.Utc));
break;
case DateTimeKind.Utc:
value = new DateTimeOffset(dateTime);
break;
case DateTimeKind.Local:
value = new DateTimeOffset(dateTime.ToUniversalTime());
break;
default:
throw new ArgumentOutOfRangeException("unknown DateTimeKind " + dateTime.Kind.ToString());
}
odataValue = new ODataPrimitiveValue(value);
}
else
{
odataValue = new ODataPrimitiveValue(value);
}
odataProperties[i] = new ODataProperty()
{
Name = structuralProperties[i].Name, Value = odataValue
};
}
return(new ODataResource
{
TypeName = clrEntityType.FullName,
Properties = odataProperties
});
}
public void ConvertEnumValue_Throws_ForNonEnumType()
{
// Arrange
object value = new ODataEnumValue("Red");
Type type = typeof(int);
// Act & Assert
Assert.Throws <InvalidOperationException>(
() => EnumDeserializationHelpers.ConvertEnumValue(value, type),
"The type 'Int32' must be an enum or Nullable<T> where T is an enum type.");
}
public void ConvertEnumValue_Throws_ForNullTypeParameter()
{
// Arrange
object value = new ODataEnumValue("Red");
Type type = null;
// Act & Assert
ExceptionAssert.ThrowsArgumentNull(
() => EnumDeserializationHelpers.ConvertEnumValue(value, type),
"type");
}
public void ConvertEnumValue_Returns_ForODataEnumValue()
{
// Arrange & Act & Assert
ODataEnumValue enumValue = new ODataEnumValue("Red");
Assert.Equal(EnumColor.Red, EnumDeserializationHelpers.ConvertEnumValue(enumValue, typeof(EnumColor)));
// Arrange & Act & Assert
enumValue = new ODataEnumValue("Green");
Assert.Equal(EnumColor.Green, EnumDeserializationHelpers.ConvertEnumValue(enumValue, typeof(EnumColor)));
}
/// <summary>
/// Generates a string to be used as the skip token value within the next link.
/// </summary>
/// <param name="lastMember"> Object based on which SkipToken value will be generated.</param>
/// <param name="model">The edm model.</param>
/// <param name="orderByNodes">List of orderByNodes used to generate the skiptoken value.</param>
/// <returns>Value for the skiptoken to be used in the next link.</returns>
private static string GenerateSkipTokenValue(Object lastMember, IEdmModel model, IList <OrderByNode> orderByNodes)
{
if (lastMember == null)
{
return(String.Empty);
}
IEnumerable <IEdmProperty> propertiesForSkipToken = GetPropertiesForSkipToken(lastMember, model, orderByNodes);
StringBuilder skipTokenBuilder = new StringBuilder(String.Empty);
if (propertiesForSkipToken == null)
{
return(skipTokenBuilder.ToString());
}
int count = 0;
string uriLiteral;
object value;
int lastIndex = propertiesForSkipToken.Count() - 1;
IEdmStructuredObject obj = lastMember as IEdmStructuredObject;
foreach (IEdmProperty edmProperty in propertiesForSkipToken)
{
bool islast = count == lastIndex;
string clrPropertyName = EdmLibHelpers.GetClrPropertyName(edmProperty, model);
if (obj != null)
{
obj.TryGetPropertyValue(clrPropertyName, out value);
}
else
{
value = lastMember.GetType().GetProperty(clrPropertyName).GetValue(lastMember);
}
if (value == null)
{
uriLiteral = ODataUriUtils.ConvertToUriLiteral(value, ODataVersion.V401);
}
else if (edmProperty.Type.IsEnum())
{
ODataEnumValue enumValue = new ODataEnumValue(value.ToString(), value.GetType().FullName);
uriLiteral = ODataUriUtils.ConvertToUriLiteral(enumValue, ODataVersion.V401, model);
}
else
{
uriLiteral = ODataUriUtils.ConvertToUriLiteral(value, ODataVersion.V401, model);
}
skipTokenBuilder.Append(edmProperty.Name).Append(propertyDelimiter).Append(uriLiteral).Append(islast ? String.Empty : CommaDelimiter.ToString());
count++;
}
return(skipTokenBuilder.ToString());
}
public void QuerySingletonEnumProperty()
{
foreach (var mimeType in mimeTypes)
{
ODataProperty property = this.QueryProperty("Company/CompanyCategory", mimeType);
if (!mimeType.Contains(MimeTypes.ODataParameterNoMetadata))
{
ODataEnumValue enumValue = (ODataEnumValue)property.Value;
Assert.AreEqual("IT", enumValue.Value);
}
}
}
public void UpdateEnumProperty()
{
// query an entry
ODataEntry productEntry = this.QueryEntityItem("Products(5)") as ODataEntry;
// send a request to update an entry property
productEntry = new ODataEntry()
{
TypeName = NameSpacePrefix + "Product",
Properties = new[]
{
new ODataProperty {
Name = "SkinColor", Value = new ODataEnumValue("Green")
},
new ODataProperty {
Name = "UserAccess", Value = new ODataEnumValue("Read")
}
}
};
var settings = new ODataMessageWriterSettings();
settings.PayloadBaseUri = ServiceBaseUri;
settings.AutoComputePayloadMetadataInJson = true;
var productType = Model.FindDeclaredType(NameSpacePrefix + "Product") as IEdmEntityType;
var productSet = Model.EntityContainer.FindEntitySet("Products");
foreach (var mimeType in mimeTypes)
{
var requestMessage = new HttpWebRequestMessage(new Uri(ServiceBaseUri + "Products(5)"));
requestMessage.SetHeader("Content-Type", mimeType);
requestMessage.SetHeader("Accept", mimeType);
requestMessage.Method = "PATCH";
using (var messageWriter = new ODataMessageWriter(requestMessage, settings, Model))
{
var odataWriter = messageWriter.CreateODataEntryWriter(productSet, productType);
odataWriter.WriteStart(productEntry);
odataWriter.WriteEnd();
}
var responseMessage = requestMessage.GetResponse();
// verify the update
Assert.AreEqual(204, responseMessage.StatusCode);
ODataEntry updatedProduct = this.QueryEntityItem("Products(5)") as ODataEntry;
ODataEnumValue skinColor = updatedProduct.Properties.Single(p => p.Name == "SkinColor").Value as ODataEnumValue;
ODataEnumValue userAccess = updatedProduct.Properties.Single(p => p.Name == "UserAccess").Value as ODataEnumValue;
Assert.AreEqual("Green", skinColor.Value);
Assert.AreEqual("Read", userAccess.Value);
}
}
/// <summary>
/// Read an enumeration value from the reader.
/// </summary>
/// <param name="actualValueTypeReference">The thpe of the value to read.</param>
/// <returns>An ODataEnumValue with the value read from the payload.</returns>
private ODataEnumValue ReadEnumValue(IEdmEnumTypeReference actualValueTypeReference)
{
Debug.Assert(actualValueTypeReference != null, "actualValueTypeReference != null");
Debug.Assert(actualValueTypeReference.TypeKind() == EdmTypeKind.Enum, "Only Enum values can be read by this method.");
this.AssertXmlCondition(XmlNodeType.Element, XmlNodeType.Attribute);
ODataEnumValue result = AtomValueUtils.ReadEnumValue(this.XmlReader, actualValueTypeReference);
this.AssertXmlCondition(true, XmlNodeType.EndElement);
Debug.Assert(result != null, "The method should never return null since it doesn't handle null values.");
return(result);
}
public void FlagsEnumAsTopLevelValue_StrAsValue_StrAsTypeName_anyContentType()
{
WriteToMessageWriterAndVerifyPayload(
contentType: "*/*",
writerAction: (writer) =>
{
ODataEnumValue enumValue = new ODataEnumValue(Color.Red.ToString(), "NS.EnumUndefinedTypename");
writer.WriteValue(enumValue);
},
expectedPayload: Color.Red.ToString()
);
}
/// <inheritdoc />
public override object ReadInline(object item, IEdmTypeReference edmType, ODataDeserializerContext readContext)
{
if (item == null)
{
return(null);
}
if (readContext == null)
{
throw Error.ArgumentNull(nameof(readContext));
}
ODataProperty property = item as ODataProperty;
if (property != null)
{
item = property.Value;
}
IEdmEnumTypeReference enumTypeReference = edmType.AsEnum();
ODataEnumValue enumValue = item as ODataEnumValue;
if (readContext.IsNoClrType)
{
Contract.Assert(edmType.TypeKind() == EdmTypeKind.Enum);
return(new EdmEnumObject(enumTypeReference, enumValue.Value));
}
IEdmEnumType enumType = enumTypeReference.EnumDefinition();
// Enum member supports model alias case. So, try to use the Edm member name to retrieve the Enum value.
var memberMapAnnotation = readContext.Model.GetClrEnumMemberAnnotation(enumType);
if (memberMapAnnotation != null)
{
if (enumValue != null)
{
IEdmEnumMember enumMember = enumType.Members.FirstOrDefault(m => m.Name == enumValue.Value);
if (enumMember != null)
{
var clrMember = memberMapAnnotation.GetClrEnumMember(enumMember);
if (clrMember != null)
{
return(clrMember);
}
}
}
}
Type clrType = readContext.Model.GetClrType(edmType);
return(EnumDeserializationHelpers.ConvertEnumValue(item, clrType));
}
public void FlagsEnumAsTopLevelValue_StrAsValue_StrAsTypeName_textplainContentType()
{
WriteToMessageWriterAndVerifyPayload(
contentType: "text/plain", // can't be full/minimal/none metadata
writerAction: (writer) =>
{
ODataEnumValue enumValue = new ODataEnumValue(Color.Red.ToString(), "NS.EnumUndefinedTypename");
writer.WriteValue(enumValue);
},
expectedPayload: Color.Red.ToString()
);
}
public override ODataEnumValue CreateODataEnumValue(object graph, IEdmEnumTypeReference enumType, ODataSerializerContext writeContext)
{
ODataEnumValue result = base.CreateODataEnumValue(graph, enumType, writeContext);
if (!string.IsNullOrEmpty(result?.Value) && !string.IsNullOrEmpty(result.TypeName))
{
// EnumKey >> "Namespace.EnumType'EnumKey'"
result = new ODataEnumValue($"{result.TypeName}'{result.Value}'");
}
return(result);
}
public void MaterializeEnumTypeShouldWork()
{
ODataEnumValue enumValue = new ODataEnumValue("blue");
ODataProperty property = new ODataProperty {
Name = "enumProperty", Value = enumValue
};
var enumPolicy = new EnumValueMaterializationPolicy(new TestMaterializerContext());
var result = enumPolicy.MaterializeEnumTypeProperty(typeof(Color), property);
property.GetMaterializedValue().Should().Be(Color.Blue);
result.Should().Be(Color.Blue);
}
/// <summary>
/// ConstantExpression visit method
/// </summary>
/// <param name="c">The ConstantExpression expression to visit</param>
/// <returns>The visited ConstantExpression expression </returns>
internal override Expression VisitConstant(ConstantExpression c)
{
if (c.Value == null)
{
this.builder.Append(UriHelper.NULL);
return(c);
}
// DEVNOTE:
// Rather than forcing every other codepath to have the 'Try...' pattern for formatting,
// we catch the InvalidOperationException here to change the exception type.
// This is exceedingly rare, and not a scenario where performance is meaningful, so the
// reduced complexity in all other call sites is worth the extra logic here.
string result;
BinaryExpression b = this.parent as BinaryExpression;
MethodCallExpression m = this.parent as MethodCallExpression;
if ((b != null && HasEnumInBinaryExpression(b)) || (m != null && m.Method.Name == "HasFlag"))
{
c = this.ConvertConstantExpressionForEnum(c);
ClientEdmModel model = this.context.Model;
IEdmType edmType = model.GetOrCreateEdmType(c.Type.IsEnum() ? c.Type : c.Type.GetGenericArguments()[0]);
ClientTypeAnnotation typeAnnotation = model.GetClientTypeAnnotation(edmType);
string typeNameInEdm = this.context.ResolveNameFromTypeInternal(typeAnnotation.ElementType);
MemberInfo member = typeAnnotation.ElementType.GetField(c.Value.ToString());
string memberValue = ClientTypeUtil.GetServerDefinedName(member);
ODataEnumValue enumValue = new ODataEnumValue(memberValue, typeNameInEdm ?? typeAnnotation.ElementTypeName);
result = ODataUriUtils.ConvertToUriLiteral(enumValue, CommonUtil.ConvertToODataVersion(this.uriVersion), null);
}
else
{
try
{
result = LiteralFormatter.ForConstants.Format(c.Value);
}
catch (InvalidOperationException)
{
if (this.cantTranslateExpression)
{
// there's already a problem in the parents.
// we should just return here, because caller somewhere up the stack will throw a better exception
return(c);
}
throw new NotSupportedException(Strings.ALinq_CouldNotConvert(c.Value));
}
}
Debug.Assert(result != null, "result != null");
this.builder.Append(result);
return(c);
}
private static bool ApplyDynamicProperty(ODataProperty property, IEdmStructuredType structuredType,
object resource, ODataDeserializerProvider deserializerProvider, ODataDeserializerContext readContext)
{
PropertyInfo propertyInfo = EdmLibHelpers.GetDynamicPropertyDictionary(structuredType,
readContext.Model);
if (propertyInfo == null)
{
return(false);
}
IDictionary <string, object> dynamicPropertyDictionary = propertyInfo.GetValue(resource)
as IDictionary <string, object>;
if (dynamicPropertyDictionary == null)
{
dynamicPropertyDictionary = new Dictionary <string, object>();
propertyInfo.SetValue(resource, dynamicPropertyDictionary);
}
if (dynamicPropertyDictionary.ContainsKey(property.Name))
{
throw Error.InvalidOperation(SRResources.DuplicateDynamicPropertyNameFound,
property.Name, structuredType.FullTypeName());
}
EdmTypeKind propertyKind;
IEdmTypeReference propertyType = null;
object value = ConvertValue(property.Value, ref propertyType, deserializerProvider, readContext, out propertyKind);
if (propertyKind == EdmTypeKind.Collection)
{
throw Error.InvalidOperation(SRResources.CollectionNotAllowedAsDynamicProperty, property.Name);
}
if (propertyKind == EdmTypeKind.Enum)
{
ODataEnumValue enumValue = (ODataEnumValue)value;
IEdmModel model = readContext.Model;
IEdmType edmType = model.FindType(enumValue.TypeName);
if (edmType == null)
{
return(false);
}
Type enumType = EdmLibHelpers.GetClrType(edmType, model);
value = Enum.Parse(enumType, enumValue.Value);
}
dynamicPropertyDictionary.Add(property.Name, value);
return(true);
}
/// <summary>
/// Materializes the enum data value.
/// </summary>
/// <param name="valueType">Type of the collection item.</param>
/// <param name="property">The ODataProperty.</param>
/// <returns>Materialized enum data CLR value.</returns>
public object MaterializeEnumTypeProperty(Type valueType, ODataProperty property)
{
object materializedValue = null;
ODataEnumValue value = property.Value as ODataEnumValue;
this.MaterializeODataEnumValue(valueType, value.TypeName, value.Value, () => "TODO: Is this reachable?", out materializedValue);
if (!property.HasMaterializedValue())
{
property.SetMaterializedValue(materializedValue);
}
return(materializedValue);
}
/// <summary>
/// Parse string or integer to enum value
/// </summary>
/// <param name="enumType">edm enum type</param>
/// <param name="value">input string value</param>
/// <param name="enumValue">output edm enum value</param>
/// <returns>true if parse succeeds, false if fails</returns>
private static bool TryParseEnum(IEdmEnumType enumType, string value, out ODataEnumValue enumValue)
{
long parsedValue;
bool success = enumType.TryParseEnum(value, true, out parsedValue);
enumValue = null;
if (success)
{
enumValue = new ODataEnumValue(parsedValue.ToString(CultureInfo.InvariantCulture), enumType.FullTypeName());
}
return(success);
}
public override object ReadInline(object item, IEdmTypeReference edmType, ODataDeserializerContext readContext)
{
ODataEnumValue valueItem = item as ODataEnumValue;
if (valueItem != null && !string.IsNullOrEmpty(valueItem.Value) && !string.IsNullOrEmpty(valueItem.TypeName))
{
// "Namespace.EnumType'EnumKey'" >> EnumKey
valueItem = new ODataEnumValue(valueItem.Value.Replace(valueItem.TypeName, string.Empty).Replace("'", string.Empty));
}
object result = base.ReadInline(valueItem, edmType, readContext);
return(result);
}
/// <summary>
/// Write enum value
/// </summary>
/// <param name="value">enum value</param>
/// <param name="expectedTypeReference">expected type reference</param>
public virtual void WriteEnumValue(
ODataEnumValue value,
IEdmTypeReference expectedTypeReference)
{
if (value.Value == null)
{
this.WriteNullValue();
}
else
{
this.JsonWriter.WritePrimitiveValue(value.Value);
}
}
public async Task WriteEnumValueAsync_WritesNullForEnumValueAsNull()
{
var colorEnumValue = new ODataEnumValue(null);
var colorEdmEnumTypeReference = new EdmEnumTypeReference(this.colorEnumType, false);
var result = await SetupJsonLightValueSerializerAndRunTestAsync(
(jsonLightValueSerializer) =>
{
return(jsonLightValueSerializer.WriteEnumValueAsync(colorEnumValue, colorEdmEnumTypeReference));
});
Assert.Equal("null", result);
}
/// <summary>
/// Asynchronously writes enum value
/// </summary>
/// <param name="value">enum value</param>
/// <param name="expectedTypeReference">expected type reference</param>
/// <returns>A task that represents the asynchronous write operation.</returns>
public virtual Task WriteEnumValueAsync(
ODataEnumValue value,
IEdmTypeReference expectedTypeReference)
{
if (value.Value == null)
{
return(this.WriteNullValueAsync());
}
else
{
return(this.AsynchronousJsonWriter.WritePrimitiveValueAsync(value.Value));
}
}
private static string TranslateNode(object node, string functionName, string parameterName)
{
// If the function parameter is null, for example myFunction(param=null),
// the input node here is not null, it is a contant node with a value as "null".
// However, if a function call (or key) using parameter alias but without providing the parameter alias value,
// the input node here is a null.
if (node == null)
{
// We can't throw ODataException here because ODataException will be caught and return 404 response with empty message.
throw new InvalidOperationException(Error.Format(SRResources.MissingConvertNode, parameterName, functionName));
}
ConstantNode constantNode = node as ConstantNode;
if (constantNode != null)
{
UriTemplateExpression uriTemplateExpression = constantNode.Value as UriTemplateExpression;
if (uriTemplateExpression != null)
{
return(uriTemplateExpression.LiteralText);
}
// Make the enum prefix free to work.
ODataEnumValue enumValue = constantNode.Value as ODataEnumValue;
if (enumValue != null)
{
return(ODataUriUtils.ConvertToUriLiteral(enumValue, ODataVersion.V4));
}
return(constantNode.LiteralText);
}
ConvertNode convertNode = node as ConvertNode;
if (convertNode != null)
{
return(TranslateNode(convertNode.Source, functionName, parameterName));
}
ParameterAliasNode parameterAliasNode = node as ParameterAliasNode;
if (parameterAliasNode != null)
{
return(parameterAliasNode.Alias);
}
//return node.ToString();
throw Error.NotSupported(SRResources.CannotRecognizeNodeType, typeof(ODataPathSegmentHandler),
node.GetType().FullName);
}
/// <summary>
/// Write enum value
/// </summary>
/// <param name="value">enum value</param>
/// <param name="expectedTypeReference">expected type reference</param>
public void WriteEnumValue(ODataEnumValue value, IEdmTypeReference expectedTypeReference)
{
throw new NotImplementedException();
}
public void FlagsEnumAsCollectionItemAsTopLevelValue_StrAsValue_StrAsTypeName_MinimalMetadata_CollecionWriter()
{
ODataCollectionStart collectionStart = new ODataCollectionStart();
collectionStart.SetSerializationInfo(new ODataCollectionStartSerializationInfo { CollectionTypeName = "Collection(NS.ColorFlags)" });
ODataEnumValue[] items = new ODataEnumValue[]
{
new ODataEnumValue(ColorFlags.Red.ToString(), "NS.ColorFlags"),
new ODataEnumValue(null, "NS.ColorFlags_Undefined"),
new ODataEnumValue("Red,Green", "NS.ColorFlags"),
new ODataEnumValue("Red|Green", "NS.ColorFlags"),
new ODataEnumValue(ColorFlags.Green.ToString(), "NS.ColorFlags")
};
EdmEnumTypeReference enumRef = new EdmEnumTypeReference((IEdmEnumType)this.userModel.FindType("NS.ColorFlags"), true);
WriteToMessageWriterAndVerifyPayload(
contentType: "application/json;odata.metadata=minimal;",
writerAction: (writer) =>
{
ODataCollectionWriter collectionWriter = writer.CreateODataCollectionWriter(enumRef);
collectionWriter.WriteStart(collectionStart);
foreach (object item in items)
{
collectionWriter.WriteItem(item);
}
collectionWriter.WriteEnd();
},
expectedPayload: "{\"@odata.context\":\"http://odata.org/test/$metadata#Collection(NS.ColorFlags)\",\"value\":[\"Red\",null,\"Red,Green\",\"Red|Green\",\"Green\"]}"
);
}
/// <summary>
/// Writes a enum property.
/// </summary>
/// <param name="property">The property to write out.</param>
/// <param name="enumValue">The enum value to be written.</param>
/// <param name="propertyTypeReference">The metadata type reference of the property.</param>
/// <param name="isTopLevel">true when writing a top-level property; false for nested properties.</param>
/// <param name="isOpenPropertyType">If the property is open.</param>
private void WriteEnumProperty(
ODataProperty property,
ODataEnumValue enumValue,
IEdmTypeReference propertyTypeReference,
bool isTopLevel,
bool isOpenPropertyType)
{
string wirePropertyName = GetWirePropertyName(isTopLevel, property.Name);
IEdmTypeReference typeFromValue = TypeNameOracle.ResolveAndValidateTypeForEnumValue(this.Model, enumValue, isOpenPropertyType);
// This is a work around, needTypeOnWire always = true for client side:
// ClientEdmModel's reflection can't know a property is open type even if it is, so here
// make client side always write 'odata.type' for enum.
bool needTypeOnWire = string.Equals(this.JsonLightOutputContext.Model.GetType().Name, "ClientEdmModel", StringComparison.OrdinalIgnoreCase);
string typeNameToWrite = this.JsonLightOutputContext.TypeNameOracle.GetValueTypeNameForWriting(
enumValue, propertyTypeReference, typeFromValue, needTypeOnWire || isOpenPropertyType);
this.WritePropertyTypeName(wirePropertyName, typeNameToWrite, isTopLevel);
this.JsonWriter.WriteName(wirePropertyName);
this.JsonLightValueSerializer.WriteEnumValue(enumValue, propertyTypeReference);
}
public void IfValueIsEnumThenODataValueShouldBeReferenceEqual()
{
var enumValue = new ODataEnumValue(Color.Green.ToString());
this.property.Value = enumValue;
this.property.ODataValue.Should().BeSameAs(enumValue);
}
/// <summary>
/// Write enum value
/// </summary>
/// <param name="value">enum value</param>
/// <param name="expectedTypeReference">expected type reference</param>
public void WriteEnumValue(
ODataEnumValue value,
IEdmTypeReference expectedTypeReference)
{
if (value.Value == null)
{
this.WriteNullValue();
}
else
{
this.JsonWriter.WritePrimitiveValue(value.Value);
}
}
public void TestEnumConvertToUriLiteral_EnumValue()
{
var val = new ODataEnumValue(11L + "", "Fully.Qualified.Namespace.ColorPattern");
string enumValStr = ODataUriUtils.ConvertToUriLiteral(val, ODataVersion.V4);
enumValStr.Should().Be("Fully.Qualified.Namespace.ColorPattern'11'");
}
/// <summary>
/// Parse string or integer to enum value
/// </summary>
/// <param name="enumType">edm enum type</param>
/// <param name="value">input string value</param>
/// <param name="enumValue">output edm enum value</param>
/// <returns>true if parse succeeds, false if fails</returns>
private static bool TryParseEnum(IEdmEnumType enumType, string value, out ODataEnumValue enumValue)
{
long parsedValue;
bool success = enumType.TryParseEnum(value, true, out parsedValue);
enumValue = null;
if (success)
{
enumValue = new ODataEnumValue(parsedValue.ToString(CultureInfo.InvariantCulture), enumType.FullTypeName());
}
return success;
}
public void FlagsEnumAsTopLevelValue_StrAsValue_StrAsTypeName_anyContentType()
{
WriteToMessageWriterAndVerifyPayload(
contentType: "*/*",
writerAction: (writer) =>
{
ODataEnumValue enumValue = new ODataEnumValue(Color.Red.ToString(), "NS.EnumUndefinedTypename");
writer.WriteValue(enumValue);
},
expectedPayload: Color.Red.ToString()
);
}
public void FlagsEnumAsTopLevelValue_StrAsValue_StrAsTypeName_textplainContentType()
{
WriteToMessageWriterAndVerifyPayload(
contentType: "text/plain", // can't be full/minimal/none metadata
writerAction: (writer) =>
{
ODataEnumValue enumValue = new ODataEnumValue(Color.Red.ToString(), "NS.EnumUndefinedTypename");
writer.WriteValue(enumValue);
},
expectedPayload: Color.Red.ToString()
);
}
public void EnumTypeCollectionRoundtripJsonLightTest()
{
ODataEnumValue subject0 = new ODataEnumValue("Red", "NS.ColorFlags");
ODataEnumValue subject1 = new ODataEnumValue("123", "NS.ColorFlags");
ODataCollectionValue complexCollectionValue = new ODataCollectionValue { TypeName = "Collection(NS.ColorFlags)", Items = new[] { subject0, subject1 } };
this.VerifyNonPrimitiveTypeRoundtrip(complexCollectionValue, "ClothesColors");
}
/// <summary>
/// Writes an enumeration value.
/// </summary>
/// <param name="value">The value to write.</param>
/// <param name="collectionValidator">The collection validator instance.</param>
/// <param name="expectedTypeReference">The expected type of the enumeration value.</param>
/// <param name="typeNameAnnotation">The optional type name annotation provided by the user on the OM for this enumeration value. The annotation value will override whatever type name is being written.</param>
internal void WriteEnumValue(
ODataEnumValue value,
CollectionWithoutExpectedTypeValidator collectionValidator,
IEdmTypeReference expectedTypeReference,
SerializationTypeNameAnnotation typeNameAnnotation)
{
Debug.Assert(value != null, "value != null");
// write type name without validation:
// TODO: consider adding a overloaded GetValueTypeNameForWriting() without out parameter.
string collectionItemTypeName;
string typeName = this.AtomOutputContext.TypeNameOracle.GetValueTypeNameForWriting(value, expectedTypeReference, typeNameAnnotation, collectionValidator, out collectionItemTypeName);
Debug.Assert(collectionItemTypeName == null, "collectionItemTypeName == null");
if (typeName != null)
{
Debug.Assert(typeName != EdmConstants.EdmStringTypeName, "Enum typeName != EdmConstants.StringTypeName");
this.WritePropertyTypeAttribute(typeName);
}
// write string value without validation:
AtomValueUtils.WritePrimitiveValue(this.XmlWriter, value.Value);
}
/// <summary>
/// Parse string or integer to enum value
/// </summary>
/// <param name="enumType">edm enum type</param>
/// <param name="value">input string value</param>
/// <param name="enumValue">output edm enum value</param>
/// <returns>true if parse succeeds, false if fails</returns>
internal static bool TryParseEnum(IEdmEnumType enumType, string value, out ODataEnumValue enumValue)
{
long parsedValue;
bool success = enumType.TryParseEnum(value, true, out parsedValue);
enumValue = null;
if (success)
{
// ODataEnumValue.Value will always be numeric string like '3', '10' instead of 'Cyan', 'Solid,Yellow', etc.
// so user code can easily Enum.Parse() them into CLR value.
enumValue = new ODataEnumValue(parsedValue.ToString(CultureInfo.InvariantCulture), enumType.ODataFullName());
}
return success;
}
