/// <summary>
/// Gets the type name from the given <paramref name="value"/>.
/// </summary>
/// <param name="value">The value to get the type name from. This can be an ODataPrimitiveValue, an ODataComplexValue, an ODataCollectionValue or a Clr primitive object.</param>
/// <returns>The type name for the given <paramref name="value"/>.</returns>
protected static string GetTypeNameFromValue(object value)
{
Debug.Assert(value != null, "value != null");
ODataPrimitiveValue primitiveValue = value as ODataPrimitiveValue;
if (primitiveValue != null)
{
return(EdmLibraryExtensions.GetPrimitiveTypeReference(primitiveValue.Value.GetType()).ODataFullName());
}
ODataComplexValue complexValue = value as ODataComplexValue;
if (complexValue != null)
{
return(complexValue.TypeName);
}
ODataCollectionValue collectionValue = value as ODataCollectionValue;
if (collectionValue != null)
{
return(collectionValue.TypeName);
}
IEdmPrimitiveTypeReference primitiveTypeReference = EdmLibraryExtensions.GetPrimitiveTypeReference(value.GetType());
if (primitiveTypeReference == null)
{
throw new ODataException(Strings.ValidationUtils_UnsupportedPrimitiveType(value.GetType().FullName));
}
return(primitiveTypeReference.ODataFullName());
}
/// <summary>
/// Gets the type name from the given <paramref name="value"/>.
/// </summary>
/// <param name="value">The value to get the type name from. This can be an ODataPrimitiveValue, an ODataComplexValue, an ODataCollectionValue or a Clr primitive object.</param>
/// <returns>The type name for the given <paramref name="value"/>.</returns>
protected static string GetTypeNameFromValue(object value)
{
Debug.Assert(value != null, "value != null");
ODataPrimitiveValue primitiveValue = value as ODataPrimitiveValue;
if (primitiveValue != null)
{
// primitiveValueTypeReference == null means: the EDM type of the primitive value cannot be determined.
// This could possibly be due to value being an unsigned int.
// In this case, simply return null because:
// - If the property is regular property, the type is not needed since service model knows its exact type.
// - If the property is dynamic property, ODL does not support dynamic property containing unsigned int value
// since we don't know its underlying type as well as how to serialize it.
IEdmPrimitiveTypeReference primitiveValueTypeReference = EdmLibraryExtensions.GetPrimitiveTypeReference(primitiveValue.Value.GetType());
return(primitiveValueTypeReference == null ? null : primitiveValueTypeReference.ODataFullName());
}
ODataComplexValue complexValue = value as ODataComplexValue;
if (complexValue != null)
{
return(complexValue.TypeName);
}
ODataEnumValue enumValue = value as ODataEnumValue;
if (enumValue != null)
{
return(enumValue.TypeName);
}
ODataCollectionValue collectionValue = value as ODataCollectionValue;
if (collectionValue != null)
{
return(EdmLibraryExtensions.GetCollectionTypeFullName(collectionValue.TypeName));
}
IEdmPrimitiveTypeReference primitiveTypeReference = EdmLibraryExtensions.GetPrimitiveTypeReference(value.GetType());
if (primitiveTypeReference == null)
{
throw new ODataException(Strings.ValidationUtils_UnsupportedPrimitiveType(value.GetType().FullName));
}
return(primitiveTypeReference.ODataFullName());
}
/// <summary>
/// Reads an annotation's value from the annotation value notation specified on the current element.
/// </summary>
/// <param name="expectedTypeReference">The expected type reference of the vocabulary term from the metadata.</param>
/// <param name="attributeValueNotationTypeReference">The type reference indicated by the name of the attribute used in attribute value notation.
/// For example, if the attribute was called "string", this will be a reference to the string type.</param>
/// <param name="attributeValueNotationAttributeName">The name of the attribute used by attribute avalue notation.</param>
/// <param name="attributeValueNotationAttributeValue">The value of the attribute used by attribute value notation.</param>
/// <param name="typeAttributeValue">The value of the "m:type" attribute on the annotation element.</param>
/// <param name="positionedOnEmptyElement">true if the annotation element is empty, false otherwise.</param>
/// <param name="model">The edm model instance.</param>
/// <param name="messageReaderSettings">The message reader settings instance.</param>
/// <param name="version">The payload version to read.</param>
/// <returns>The primitive value represented on this element via attribute value notation.</returns>
private static ODataPrimitiveValue GetValueFromAttributeValueNotation(
IEdmTypeReference expectedTypeReference,
IEdmPrimitiveTypeReference attributeValueNotationTypeReference,
string attributeValueNotationAttributeName,
string attributeValueNotationAttributeValue,
string typeAttributeValue,
bool positionedOnEmptyElement,
IEdmModel model,
ODataMessageReaderSettings messageReaderSettings,
ODataVersion version)
{
Debug.Assert(attributeValueNotationTypeReference != null, "attributeValueNotationTypeReference != null");
if (!positionedOnEmptyElement)
{
// If there is content in the body of the element, throw since it's ambiguous whether we should use the value from the attribute or the element content.
throw new ODataException(ODataErrorStrings.AtomInstanceAnnotation_AttributeValueNotationUsedOnNonEmptyElement(attributeValueNotationAttributeName));
}
// If both m:type is present and attribute value notation is being used, they must match.
// For example, if m:type is "Edm.Int32", but the "string" attribute is also present, we should throw.
if (typeAttributeValue != null && !string.Equals(attributeValueNotationTypeReference.Definition.ODataFullName(), typeAttributeValue, StringComparison.Ordinal))
{
throw new ODataException(ODataErrorStrings.AtomInstanceAnnotation_AttributeValueNotationUsedWithIncompatibleType(typeAttributeValue, attributeValueNotationAttributeName));
}
IEdmTypeReference targetTypeReference = ReaderValidationUtils.ResolveAndValidatePrimitiveTargetType(
expectedTypeReference,
EdmTypeKind.Primitive,
attributeValueNotationTypeReference.Definition,
attributeValueNotationTypeReference.ODataFullName(),
attributeValueNotationTypeReference.Definition,
model,
messageReaderSettings,
version);
return(new ODataPrimitiveValue(AtomValueUtils.ConvertStringToPrimitive(attributeValueNotationAttributeValue, targetTypeReference.AsPrimitive())));
}
/// <summary>
/// Converts the given JSON int value to the expected type as per OData conversion rules for JSON values.
/// </summary>
/// <param name="intValue">Int32 value to the converted.</param>
/// <param name="targetType">Target type to which the int value needs to be converted.</param>
/// <param name="primitiveTypeReference">Type reference to which the value needs to be converted.</param>
/// <returns>Object which is in sync with the property type.</returns>
private static object ConvertInt32Value(int intValue, Type targetType, IEdmPrimitiveTypeReference primitiveTypeReference)
{
if (targetType == typeof(Int16))
{
return Convert.ToInt16(intValue);
}
if (targetType == typeof(Byte))
{
return Convert.ToByte(intValue);
}
if (targetType == typeof(SByte))
{
return Convert.ToSByte(intValue);
}
if (targetType == typeof(Single))
{
return Convert.ToSingle(intValue);
}
if (targetType == typeof(Double))
{
return Convert.ToDouble(intValue);
}
if (targetType == typeof(Decimal))
{
return Convert.ToDecimal(intValue);
}
if (targetType == typeof(Int64))
{
return Convert.ToInt64(intValue);
}
if (targetType != typeof(Int32))
{
throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertInt32(primitiveTypeReference.ODataFullName()));
}
return intValue;
}
/// <summary>
/// Creates an exception used when primitive type conversion fails.
/// </summary>
/// <param name="targetTypeReference">The target type reference to which the conversion failed.</param>
/// <param name="innerException">Possible inner exception with more information about the failure.</param>
/// <param name="stringValue">The string representation for the value.</param>
/// <returns>The exception object to throw.</returns>
internal static ODataException GetPrimitiveTypeConversionException(IEdmPrimitiveTypeReference targetTypeReference, Exception innerException, string stringValue)
{
Debug.Assert(targetTypeReference != null, "targetTypeReference != null");
return new ODataException(Strings.ReaderValidationUtils_CannotConvertPrimitiveValue(stringValue, targetTypeReference.ODataFullName()), innerException);
}
internal static object VerifyAndCoerceUriPrimitiveLiteral(object primitiveValue, IEdmModel model, IEdmTypeReference expectedTypeReference, ODataVersion version)
{
ExceptionUtils.CheckArgumentNotNull<object>(primitiveValue, "primitiveValue");
ExceptionUtils.CheckArgumentNotNull<IEdmModel>(model, "model");
ExceptionUtils.CheckArgumentNotNull<IEdmTypeReference>(expectedTypeReference, "expectedTypeReference");
ODataUriNullValue value2 = primitiveValue as ODataUriNullValue;
if (value2 != null)
{
if (!expectedTypeReference.IsNullable)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataUriUtils_ConvertFromUriLiteralNullOnNonNullableType(expectedTypeReference.ODataFullName()));
}
IEdmType type = ValidationUtils.ValidateValueTypeName(model, value2.TypeName, expectedTypeReference.Definition.TypeKind);
if (type.IsSpatial())
{
ODataVersionChecker.CheckSpatialValue(version);
}
if (!TypePromotionUtils.CanConvertTo(type.ToTypeReference(), expectedTypeReference))
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataUriUtils_ConvertFromUriLiteralNullTypeVerificationFailure(expectedTypeReference.ODataFullName(), value2.TypeName));
}
value2.TypeName = expectedTypeReference.ODataFullName();
return value2;
}
IEdmPrimitiveTypeReference reference = expectedTypeReference.AsPrimitiveOrNull();
if (reference == null)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataUriUtils_ConvertFromUriLiteralTypeVerificationFailure(expectedTypeReference.ODataFullName(), primitiveValue));
}
object obj2 = CoerceNumericType(primitiveValue, reference.PrimitiveDefinition());
if (obj2 != null)
{
return obj2;
}
Type c = primitiveValue.GetType();
if (!TypeUtils.GetNonNullableType(EdmLibraryExtensions.GetPrimitiveClrType(reference)).IsAssignableFrom(c))
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataUriUtils_ConvertFromUriLiteralTypeVerificationFailure(reference.ODataFullName(), primitiveValue));
}
return primitiveValue;
}
/// <summary>
/// Verifies that the given <paramref name="primitiveValue"/> is or can be coerced to <paramref name="expectedTypeReference"/>, and coerces it if necessary.
/// </summary>
/// <param name="primitiveValue">An EDM primitive value to verify.</param>
/// <param name="model">Model to verify against.</param>
/// <param name="expectedTypeReference">Expected type reference.</param>
/// <param name="version">The version to use for reading.</param>
/// <returns>Coerced version of the <paramref name="primitiveValue"/>.</returns>
internal static object VerifyAndCoerceUriPrimitiveLiteral(object primitiveValue, IEdmModel model, IEdmTypeReference expectedTypeReference, ODataVersion version)
{
DebugUtils.CheckNoExternalCallers();
ExceptionUtils.CheckArgumentNotNull(primitiveValue, "primitiveValue");
ExceptionUtils.CheckArgumentNotNull(model, "model");
ExceptionUtils.CheckArgumentNotNull(expectedTypeReference, "expectedTypeReference");
// First deal with null literal
ODataUriNullValue nullValue = primitiveValue as ODataUriNullValue;
if (nullValue != null)
{
if (!expectedTypeReference.IsNullable)
{
throw new ODataException(o.Strings.ODataUriUtils_ConvertFromUriLiteralNullOnNonNullableType(expectedTypeReference.ODataFullName()));
}
IEdmType actualResolvedType = ValidationUtils.ValidateValueTypeName(model, nullValue.TypeName, expectedTypeReference.Definition.TypeKind);
Debug.Assert(actualResolvedType != null, "This is a primitive-only codepath so actualResolvedType != null.");
if (actualResolvedType.IsSpatial())
{
ODataVersionChecker.CheckSpatialValue(version);
}
if (TypePromotionUtils.CanConvertTo(actualResolvedType.ToTypeReference(), expectedTypeReference))
{
nullValue.TypeName = expectedTypeReference.ODataFullName();
return(nullValue);
}
throw new ODataException(o.Strings.ODataUriUtils_ConvertFromUriLiteralNullTypeVerificationFailure(expectedTypeReference.ODataFullName(), nullValue.TypeName));
}
// Only other positive case is a numeric primitive that needs to be coerced
IEdmPrimitiveTypeReference expectedPrimitiveTypeReference = expectedTypeReference.AsPrimitiveOrNull();
if (expectedPrimitiveTypeReference == null)
{
throw new ODataException(o.Strings.ODataUriUtils_ConvertFromUriLiteralTypeVerificationFailure(expectedTypeReference.ODataFullName(), primitiveValue));
}
object coercedResult = CoerceNumericType(primitiveValue, expectedPrimitiveTypeReference.PrimitiveDefinition());
if (coercedResult != null)
{
return(coercedResult);
}
Type actualType = primitiveValue.GetType();
Type targetType = TypeUtils.GetNonNullableType(EdmLibraryExtensions.GetPrimitiveClrType(expectedPrimitiveTypeReference));
// If target type is assignable from actual type, we're OK
if (targetType.IsAssignableFrom(actualType))
{
return(primitiveValue);
}
throw new ODataException(o.Strings.ODataUriUtils_ConvertFromUriLiteralTypeVerificationFailure(expectedPrimitiveTypeReference.ODataFullName(), primitiveValue));
}
/// <summary>
/// Converts the given payload value to the type defined in a type definition.
/// </summary>
/// <param name="value">The given payload value.</param>
/// <param name="edmTypeReference">The expected type reference from model.</param>
/// <returns>The converted value of the type.</returns>
public virtual object ConvertFromPayloadValue(object value, IEdmTypeReference edmTypeReference)
{
IEdmPrimitiveTypeReference primitiveTypeReference = edmTypeReference as IEdmPrimitiveTypeReference;
Debug.Assert(primitiveTypeReference != null, "primitiveTypeReference != null");
try
{
Type targetType = EdmLibraryExtensions.GetPrimitiveClrType(primitiveTypeReference.PrimitiveDefinition(), false);
string stringValue = value as string;
if (stringValue != null)
{
return(ConvertStringValue(stringValue, targetType));
}
else if (value is Int32)
{
return(ConvertInt32Value((int)value, targetType, primitiveTypeReference));
}
else if (value is Decimal)
{
Decimal decimalValue = (Decimal)value;
if (targetType == typeof(Int64))
{
return(Convert.ToInt64(decimalValue));
}
if (targetType == typeof(Double))
{
return(Convert.ToDouble(decimalValue));
}
if (targetType == typeof(Single))
{
return(Convert.ToSingle(decimalValue));
}
if (targetType != typeof(Decimal))
{
throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertDecimal(primitiveTypeReference.ODataFullName()));
}
}
else if (value is Double)
{
Double doubleValue = (Double)value;
if (targetType == typeof(Single))
{
return(Convert.ToSingle(doubleValue));
}
if (targetType != typeof(Double))
{
throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertDouble(primitiveTypeReference.ODataFullName()));
}
}
else if (value is bool)
{
if (targetType != typeof(bool))
{
throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertBoolean(primitiveTypeReference.ODataFullName()));
}
}
else if (value is DateTime)
{
if (targetType != typeof(DateTime))
{
throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertDateTime(primitiveTypeReference.ODataFullName()));
}
}
else if (value is DateTimeOffset)
{
if (targetType != typeof(DateTimeOffset))
{
throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertDateTimeOffset(primitiveTypeReference.ODataFullName()));
}
}
}
catch (Exception e)
{
if (!ExceptionUtils.IsCatchableExceptionType(e))
{
throw;
}
throw ReaderValidationUtils.GetPrimitiveTypeConversionException(primitiveTypeReference, e, value.ToString());
}
// otherwise just return the value without doing any conversion
return(value);
}
internal static object ConvertValue(
object value,
IEdmPrimitiveTypeReference primitiveTypeReference,
ODataMessageReaderSettings messageReaderSettings,
ODataVersion version,
bool validateNullValue,
string propertyName)
{
Debug.Assert(primitiveTypeReference != null, "primitiveTypeReference != null");
if (value == null)
{
// Only primitive type references are validated. Core model is sufficient.
ReaderValidationUtils.ValidateNullValue(
EdmCoreModel.Instance,
primitiveTypeReference,
messageReaderSettings,
validateNullValue,
version,
propertyName);
return(null);
}
try
{
Type targetType = EdmLibraryExtensions.GetPrimitiveClrType(primitiveTypeReference.PrimitiveDefinition(), false);
string stringValue = value as string;
if (stringValue != null)
{
return(ConvertStringValue(stringValue, targetType));
}
else if (value is Int32)
{
return(ConvertInt32Value((int)value, targetType, primitiveTypeReference));
}
else if (value is Decimal)
{
Decimal decimalValue = (Decimal)value;
if (targetType == typeof(Int64))
{
return(Convert.ToInt64(decimalValue));
}
if (targetType == typeof(Double))
{
return(Convert.ToDouble(decimalValue));
}
if (targetType == typeof(Single))
{
return(Convert.ToSingle(decimalValue));
}
if (targetType != typeof(Decimal))
{
throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertDecimal(primitiveTypeReference.ODataFullName()));
}
}
else if (value is Double)
{
Double doubleValue = (Double)value;
if (targetType == typeof(Single))
{
return(Convert.ToSingle(doubleValue));
}
if (targetType != typeof(Double))
{
throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertDouble(primitiveTypeReference.ODataFullName()));
}
}
else if (value is bool)
{
if (targetType != typeof(bool))
{
throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertBoolean(primitiveTypeReference.ODataFullName()));
}
}
else if (value is DateTime)
{
if (targetType != typeof(DateTime))
{
throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertDateTime(primitiveTypeReference.ODataFullName()));
}
}
else if (value is DateTimeOffset)
{
if (targetType != typeof(DateTimeOffset))
{
throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertDateTimeOffset(primitiveTypeReference.ODataFullName()));
}
}
}
catch (Exception e)
{
if (!ExceptionUtils.IsCatchableExceptionType(e))
{
throw;
}
throw ReaderValidationUtils.GetPrimitiveTypeConversionException(primitiveTypeReference, e, value.ToString());
}
// otherwise just return the value without doing any conversion
return(value);
}
/// <summary>
/// Converts the given JSON int value to the expected type as per OData conversion rules for JSON values.
/// </summary>
/// <param name="intValue">Int32 value to the converted.</param>
/// <param name="targetType">Target type to which the int value needs to be converted.</param>
/// <param name="primitiveTypeReference">Type reference to which the value needs to be converted.</param>
/// <param name="usesV1ProviderBehavior">true if the conversion should use the V1 provider behavior, false if the default behavior should be used.</param>
/// <returns>Object which is in sync with the property type (modulo the V1 exception of converting numbers to non-compatible target types).</returns>
private static object ConvertInt32Value(int intValue, Type targetType, IEdmPrimitiveTypeReference primitiveTypeReference, bool usesV1ProviderBehavior)
{
if (targetType == typeof(Int16))
{
return(Convert.ToInt16(intValue));
}
if (targetType == typeof(Byte))
{
return(Convert.ToByte(intValue));
}
if (targetType == typeof(SByte))
{
return(Convert.ToSByte(intValue));
}
if (targetType == typeof(Single))
{
return(Convert.ToSingle(intValue));
}
if (targetType == typeof(Double))
{
return(Convert.ToDouble(intValue));
}
if (targetType == typeof(Decimal) ||
targetType == typeof(Int64))
{
throw new ODataException(o.Strings.ODataJsonReaderUtils_CannotConvertInt64OrDecimal);
}
if (!IsV1PrimitiveType(targetType) || (targetType != typeof(Int32) && !usesV1ProviderBehavior))
{
throw new ODataException(o.Strings.ODataJsonReaderUtils_CannotConvertInt32(primitiveTypeReference.ODataFullName()));
}
return(intValue);
}
/// <summary>
/// Reads a primitive value.
/// </summary>
/// <param name="insideJsonObjectValue">true if the reader is positioned on the first property of the value which is a JSON Object
/// (or the second property if the first one was odata.type).</param>
/// <param name="expectedValueTypeReference">The expected type reference of the value, or null if none is available.</param>
/// <param name="validateNullValue">true to validate null values; otherwise false.</param>
/// <param name="propertyName">The name of the property whose value is being read, if applicable (used for error reporting).</param>
/// <returns>The value of the primitive value.</returns>
/// <remarks>
/// Pre-Condition: insideJsonObjectValue == false -> none - Fails if the current node is not a JsonNodeType.PrimitiveValue
/// insideJsonObjectValue == true -> JsonNodeType.Property or JsonNodeType.EndObject - the first property of the value object,
/// or the second property if first was odata.type, or the end-object.
/// Post-Condition: almost anything - the node after the primitive value.
/// </remarks>
private object ReadPrimitiveValue(bool insideJsonObjectValue, IEdmPrimitiveTypeReference expectedValueTypeReference, bool validateNullValue, string propertyName)
{
object result;
if (expectedValueTypeReference != null && expectedValueTypeReference.IsSpatial())
{
result = ODataJsonReaderCoreUtils.ReadSpatialValue(
this.JsonReader,
insideJsonObjectValue,
this.JsonLightInputContext,
expectedValueTypeReference,
validateNullValue,
this.recursionDepth,
propertyName);
}
else
{
if (insideJsonObjectValue)
{
// We manually throw JSON exception here to get a nicer error message (we expect primitive value and got object).
// Otherwise the ReadPrimitiveValue would fail with something like "expected primitive value but found property/end object" which is rather confusing.
throw new ODataException(ODataErrorStrings.JsonReaderExtensions_UnexpectedNodeDetectedWithPropertyName(JsonNodeType.PrimitiveValue, JsonNodeType.StartObject, propertyName));
}
result = this.JsonReader.ReadPrimitiveValue();
if (expectedValueTypeReference != null)
{
if ((expectedValueTypeReference.IsDecimal() || expectedValueTypeReference.IsInt64())
&& result != null)
{
if ((result is string) ^ this.JsonReader.IsIeee754Compatible)
{
throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_ConflictBetweenInputFormatAndParameter(expectedValueTypeReference.ODataFullName()));
}
}
result = ODataJsonLightReaderUtils.ConvertValue(
result,
expectedValueTypeReference,
this.MessageReaderSettings,
validateNullValue,
propertyName,
this.Model.GetPayloadValueConverter());
}
else
{
if (result is Decimal)
{
// convert decimal back to double to follow legacy logic when target type is not specified and IEEE754Compatible=false.
// we may lose precision for some range of int64 and decimal.
return Convert.ToDouble((Decimal)result);
}
}
}
return result;
}
/// <summary>
/// Verifies that the given <paramref name="primitiveValue"/> is or can be coerced to <paramref name="expectedTypeReference"/>, and coerces it if necessary.
/// </summary>
/// <param name="primitiveValue">An EDM primitive value to verify.</param>
/// <param name="model">Model to verify against.</param>
/// <param name="expectedTypeReference">Expected type reference.</param>
/// <returns>Coerced version of the <paramref name="primitiveValue"/>.</returns>
internal static object VerifyAndCoerceUriPrimitiveLiteral(object primitiveValue, IEdmModel model, IEdmTypeReference expectedTypeReference)
{
ExceptionUtils.CheckArgumentNotNull(primitiveValue, "primitiveValue");
ExceptionUtils.CheckArgumentNotNull(model, "model");
ExceptionUtils.CheckArgumentNotNull(expectedTypeReference, "expectedTypeReference");
// First deal with null literal
ODataNullValue nullValue = primitiveValue as ODataNullValue;
if (nullValue != null)
{
if (!expectedTypeReference.IsNullable)
{
throw new ODataException(ODataErrorStrings.ODataUriUtils_ConvertFromUriLiteralNullOnNonNullableType(expectedTypeReference.ODataFullName()));
}
return(nullValue);
}
// Only other positive case is a numeric primitive that needs to be coerced
IEdmPrimitiveTypeReference expectedPrimitiveTypeReference = expectedTypeReference.AsPrimitiveOrNull();
if (expectedPrimitiveTypeReference == null)
{
throw new ODataException(ODataErrorStrings.ODataUriUtils_ConvertFromUriLiteralTypeVerificationFailure(expectedTypeReference.ODataFullName(), primitiveValue));
}
object coercedResult = CoerceNumericType(primitiveValue, expectedPrimitiveTypeReference.PrimitiveDefinition());
if (coercedResult != null)
{
return(coercedResult);
}
// if expectedTypeReference is set, need to coerce cast
coercedResult = CoerceTemporalType(primitiveValue, expectedPrimitiveTypeReference.PrimitiveDefinition());
if (coercedResult != null)
{
return(coercedResult);
}
Type actualType = primitiveValue.GetType();
Type targetType = TypeUtils.GetNonNullableType(EdmLibraryExtensions.GetPrimitiveClrType(expectedPrimitiveTypeReference));
// If target type is assignable from actual type, we're OK
if (targetType.IsAssignableFrom(actualType))
{
return(primitiveValue);
}
throw new ODataException(ODataErrorStrings.ODataUriUtils_ConvertFromUriLiteralTypeVerificationFailure(expectedPrimitiveTypeReference.ODataFullName(), primitiveValue));
}
internal static ODataException GetPrimitiveTypeConversionException(IEdmPrimitiveTypeReference targetTypeReference, Exception innerException)
{
return(new ODataException(Microsoft.Data.OData.Strings.ReaderValidationUtils_CannotConvertPrimitiveValue(targetTypeReference.ODataFullName()), innerException));
}
/// <summary>
/// Reads an annotation's value from the annotation value notation specified on the current element.
/// </summary>
/// <param name="expectedTypeReference">The expected type reference of the vocabulary term from the metadata.</param>
/// <param name="attributeValueNotationTypeReference">The type reference indicated by the name of the attribute used in attribute value notation.
/// For example, if the attribute was called "string", this will be a reference to the string type.</param>
/// <param name="attributeValueNotationAttributeName">The name of the attribute used by attribute avalue notation.</param>
/// <param name="attributeValueNotationAttributeValue">The value of the attribute used by attribute value notation.</param>
/// <param name="typeAttributeValue">The value of the "m:type" attribute on the annotation element.</param>
/// <param name="positionedOnEmptyElement">true if the annotation element is empty, false otherwise.</param>
/// <param name="model">The edm model instance.</param>
/// <param name="messageReaderSettings">The message reader settings instance.</param>
/// <returns>The primitive value represented on this element via attribute value notation.</returns>
private static ODataPrimitiveValue GetValueFromAttributeValueNotation(
IEdmTypeReference expectedTypeReference,
IEdmPrimitiveTypeReference attributeValueNotationTypeReference,
string attributeValueNotationAttributeName,
string attributeValueNotationAttributeValue,
string typeAttributeValue,
bool positionedOnEmptyElement,
IEdmModel model,
ODataMessageReaderSettings messageReaderSettings)
{
Debug.Assert(attributeValueNotationTypeReference != null, "attributeValueNotationTypeReference != null");
if (!positionedOnEmptyElement)
{
// If there is content in the body of the element, throw since it's ambiguous whether we should use the value from the attribute or the element content.
throw new ODataException(ODataErrorStrings.AtomInstanceAnnotation_AttributeValueNotationUsedOnNonEmptyElement(attributeValueNotationAttributeName));
}
// If both m:type is present and attribute value notation is being used, they must match.
// For example, if m:type is "Edm.Int32", but the "string" attribute is also present, we should throw.
if (typeAttributeValue != null && !string.Equals(attributeValueNotationTypeReference.Definition.ODataFullName(), typeAttributeValue, StringComparison.Ordinal))
{
throw new ODataException(ODataErrorStrings.AtomInstanceAnnotation_AttributeValueNotationUsedWithIncompatibleType(typeAttributeValue, attributeValueNotationAttributeName));
}
IEdmTypeReference targetTypeReference = ReaderValidationUtils.ResolveAndValidatePrimitiveTargetType(
expectedTypeReference,
EdmTypeKind.Primitive,
attributeValueNotationTypeReference.Definition,
attributeValueNotationTypeReference.ODataFullName(),
attributeValueNotationTypeReference.Definition,
model,
messageReaderSettings);
return new ODataPrimitiveValue(AtomValueUtils.ConvertStringToPrimitive(attributeValueNotationAttributeValue, targetTypeReference.AsPrimitive()));
}
internal static ODataException GetPrimitiveTypeConversionException(IEdmPrimitiveTypeReference targetTypeReference, Exception innerException)
{
return new ODataException(Microsoft.Data.OData.Strings.ReaderValidationUtils_CannotConvertPrimitiveValue(targetTypeReference.ODataFullName()), innerException);
}
/// <summary>
/// Converts the given JSON value to the expected type as per OData conversion rules for JSON values.
/// </summary>
/// <param name="value">Value to the converted.</param>
/// <param name="primitiveTypeReference">Type reference to which the value needs to be converted.</param>
/// <param name="messageReaderSettings">The message reader settings used for reading.</param>
/// <param name="version">The version of the OData protocol used for reading.</param>
/// <param name="validateNullValue">true to validate null values; otherwise false.</param>
/// <returns>Object which is in sync with the property type (modulo the V1 exception of converting numbers to non-compatible target types).</returns>
internal static object ConvertValue(
object value,
IEdmPrimitiveTypeReference primitiveTypeReference,
ODataMessageReaderSettings messageReaderSettings,
ODataVersion version,
bool validateNullValue)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(primitiveTypeReference != null, "primitiveTypeReference != null");
//// NOTE: this method was copied from WCF DS (and changed to take a type reference instead of a CLR target type)
if (value == null)
{
// Only primitive type references are validated. Core model is sufficient.
ReaderValidationUtils.ValidateNullValue(EdmCoreModel.Instance, primitiveTypeReference, messageReaderSettings, validateNullValue, version);
return(null);
}
try
{
Type targetType = EdmLibraryExtensions.GetPrimitiveClrType(primitiveTypeReference.PrimitiveDefinition(), false);
ODataReaderBehavior readerBehavior = messageReaderSettings.ReaderBehavior;
string stringValue = value as string;
if (stringValue != null)
{
return(ConvertStringValue(stringValue, targetType, version));
}
else if (value is Int32)
{
return(ConvertInt32Value((int)value, targetType, primitiveTypeReference, readerBehavior == null ? false : readerBehavior.UseV1ProviderBehavior));
}
else if (value is Double)
{
Double doubleValue = (Double)value;
if (targetType == typeof(Single))
{
return(Convert.ToSingle(doubleValue));
}
if (!IsV1PrimitiveType(targetType) || (targetType != typeof(Double) && (readerBehavior == null || !readerBehavior.UseV1ProviderBehavior)))
{
throw new ODataException(o.Strings.ODataJsonReaderUtils_CannotConvertDouble(primitiveTypeReference.ODataFullName()));
}
}
else if (value is bool)
{
if (targetType != typeof(bool) && (readerBehavior == null || readerBehavior.FormatBehaviorKind != ODataBehaviorKind.WcfDataServicesServer))
{
throw new ODataException(o.Strings.ODataJsonReaderUtils_CannotConvertBoolean(primitiveTypeReference.ODataFullName()));
}
}
else if (value is DateTime)
{
if (targetType != typeof(DateTime) && (readerBehavior == null || readerBehavior.FormatBehaviorKind != ODataBehaviorKind.WcfDataServicesServer))
{
throw new ODataException(o.Strings.ODataJsonReaderUtils_CannotConvertDateTime(primitiveTypeReference.ODataFullName()));
}
}
else if (value is DateTimeOffset)
{
// Currently, we do not support any conversion for DateTimeOffset date type. Hence failing if the target
// type is not DateTimeOffset.
if (targetType != typeof(DateTimeOffset))
{
throw new ODataException(o.Strings.ODataJsonReaderUtils_CannotConvertDateTimeOffset(primitiveTypeReference.ODataFullName()));
}
}
}
catch (Exception e)
{
if (!ExceptionUtils.IsCatchableExceptionType(e))
{
throw;
}
throw ReaderValidationUtils.GetPrimitiveTypeConversionException(primitiveTypeReference, e);
}
// otherwise just return the value without doing any conversion
return(value);
}
private static object ConvertInt32Value(int intValue, Type targetType, IEdmPrimitiveTypeReference primitiveTypeReference, bool usesV1ProviderBehavior)
{
if (targetType == typeof(short))
{
return(Convert.ToInt16(intValue));
}
if (targetType == typeof(byte))
{
return(Convert.ToByte(intValue));
}
if (targetType == typeof(sbyte))
{
return(Convert.ToSByte(intValue));
}
if (targetType == typeof(float))
{
return(Convert.ToSingle(intValue));
}
if (targetType == typeof(double))
{
return(Convert.ToDouble(intValue));
}
if ((targetType == typeof(decimal)) || (targetType == typeof(long)))
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonReaderUtils_CannotConvertInt64OrDecimal);
}
if (!IsV1PrimitiveType(targetType) || ((targetType != typeof(int)) && !usesV1ProviderBehavior))
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonReaderUtils_CannotConvertInt32(primitiveTypeReference.ODataFullName()));
}
return(intValue);
}
/// <summary>
/// Converts the given JSON int value to the expected type as per OData conversion rules for JSON values.
/// </summary>
/// <param name="intValue">Int32 value to the converted.</param>
/// <param name="targetType">Target type to which the int value needs to be converted.</param>
/// <param name="primitiveTypeReference">Type reference to which the value needs to be converted.</param>
/// <returns>Object which is in sync with the property type.</returns>
private static object ConvertInt32Value(int intValue, Type targetType, IEdmPrimitiveTypeReference primitiveTypeReference)
{
if (targetType == typeof(Int16))
{
return(Convert.ToInt16(intValue));
}
if (targetType == typeof(Byte))
{
return(Convert.ToByte(intValue));
}
if (targetType == typeof(SByte))
{
return(Convert.ToSByte(intValue));
}
if (targetType == typeof(Single))
{
return(Convert.ToSingle(intValue));
}
if (targetType == typeof(Double))
{
return(Convert.ToDouble(intValue));
}
if (targetType == typeof(Decimal))
{
return(Convert.ToDecimal(intValue));
}
if (targetType == typeof(Int64))
{
return(Convert.ToInt64(intValue));
}
if (targetType != typeof(Int32))
{
throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertInt32(primitiveTypeReference.ODataFullName()));
}
return(intValue);
}
internal static object ConvertValue(object value, IEdmPrimitiveTypeReference primitiveTypeReference, ODataMessageReaderSettings messageReaderSettings, ODataVersion version, bool validateNullValue)
{
if (value == null)
{
ReaderValidationUtils.ValidateNullValue(EdmCoreModel.Instance, primitiveTypeReference, messageReaderSettings, validateNullValue, version);
return(null);
}
try
{
Type primitiveClrType = EdmLibraryExtensions.GetPrimitiveClrType(primitiveTypeReference.PrimitiveDefinition(), false);
ODataReaderBehavior readerBehavior = messageReaderSettings.ReaderBehavior;
string stringValue = value as string;
if (stringValue != null)
{
return(ConvertStringValue(stringValue, primitiveClrType, version));
}
if (value is int)
{
return(ConvertInt32Value((int)value, primitiveClrType, primitiveTypeReference, (readerBehavior != null) && readerBehavior.UseV1ProviderBehavior));
}
if (value is double)
{
double num = (double)value;
if (primitiveClrType == typeof(float))
{
return(Convert.ToSingle(num));
}
if (!IsV1PrimitiveType(primitiveClrType) || ((primitiveClrType != typeof(double)) && ((readerBehavior == null) || !readerBehavior.UseV1ProviderBehavior)))
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonReaderUtils_CannotConvertDouble(primitiveTypeReference.ODataFullName()));
}
return(value);
}
if (value is bool)
{
if ((primitiveClrType != typeof(bool)) && ((readerBehavior == null) || (readerBehavior.FormatBehaviorKind != ODataBehaviorKind.WcfDataServicesServer)))
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonReaderUtils_CannotConvertBoolean(primitiveTypeReference.ODataFullName()));
}
return(value);
}
if (value is DateTime)
{
if ((primitiveClrType != typeof(DateTime)) && ((readerBehavior == null) || (readerBehavior.FormatBehaviorKind != ODataBehaviorKind.WcfDataServicesServer)))
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonReaderUtils_CannotConvertDateTime(primitiveTypeReference.ODataFullName()));
}
return(value);
}
if ((value is DateTimeOffset) && (primitiveClrType != typeof(DateTimeOffset)))
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonReaderUtils_CannotConvertDateTimeOffset(primitiveTypeReference.ODataFullName()));
}
}
catch (Exception exception)
{
if (!ExceptionUtils.IsCatchableExceptionType(exception))
{
throw;
}
throw ReaderValidationUtils.GetPrimitiveTypeConversionException(primitiveTypeReference, exception);
}
return(value);
}
/// <summary>
/// Gets the type name based on the given odata value.
/// </summary>
/// <param name="value">The value.</param>
/// <param name="model">The model used to handle unsigned int conversions.</param>
/// <returns>The type name for the context URI.</returns>
private static string GetTypeNameForValue(ODataValue value, IEdmModel model)
{
if (value == null)
{
return(null);
}
// special identifier for null values.
if (value.IsNullValue)
{
return(ODataConstants.ContextUriFragmentNull);
}
var typeAnnotation = value.GetAnnotation <SerializationTypeNameAnnotation>();
if (typeAnnotation != null && !string.IsNullOrEmpty(typeAnnotation.TypeName))
{
return(typeAnnotation.TypeName);
}
var complexValue = value as ODataComplexValue;
if (complexValue != null)
{
return(complexValue.TypeName);
}
var collectionValue = value as ODataCollectionValue;
if (collectionValue != null)
{
return(EdmLibraryExtensions.GetCollectionTypeFullName(collectionValue.TypeName));
}
var enumValue = value as ODataEnumValue;
if (enumValue != null)
{
return(enumValue.TypeName);
}
ODataPrimitiveValue primitive = value as ODataPrimitiveValue;
if (primitive == null)
{
Debug.Assert(value is ODataStreamReferenceValue, "value is ODataStreamReferenceValue");
throw new ODataException(Strings.ODataContextUriBuilder_StreamValueMustBePropertiesOfODataEntry);
}
// Try convert to underlying type if the primitive value is unsigned int.
IEdmTypeDefinitionReference typeDefinitionReference = model.ResolveUIntTypeDefinition(primitive.Value);
if (typeDefinitionReference != null)
{
return(typeDefinitionReference.ODataFullName());
}
IEdmPrimitiveTypeReference primitiveValueTypeReference = EdmLibraryExtensions.GetPrimitiveTypeReference(primitive.Value.GetType());
return(primitiveValueTypeReference == null ? null : primitiveValueTypeReference.ODataFullName());
}
/// <summary>
/// Converts the given datetime value into the allowed target types.
/// </summary>
/// <param name="datetimeValue">DateTime value as read by the JsonReader.</param>
/// <param name="targetType">Target type to which the datetime value needs to be converted.</param>
/// <param name="primitiveTypeReference">Type reference to which the value needs to be converted.</param>
/// <param name="readerBehavior">ODataReaderBehavior instance.</param>
/// <returns>Object which is in sync with the target type.</returns>
private static object ConvertDateTimeValue(DateTime datetimeValue, Type targetType, IEdmPrimitiveTypeReference primitiveTypeReference, ODataReaderBehavior readerBehavior)
{
if (targetType == typeof(DateTimeOffset))
{
// If the kind of DateTime is local or UTC, that means we know the timezone information. Hence we should allow
// conversion to DateTimeOffset - there is no dataloss or ambiguity in that conversion.
if (datetimeValue.Kind == DateTimeKind.Local || datetimeValue.Kind == DateTimeKind.Utc)
{
return(new DateTimeOffset(datetimeValue));
}
}
if (targetType != typeof(DateTime) && (readerBehavior == null || readerBehavior.FormatBehaviorKind != ODataBehaviorKind.WcfDataServicesServer))
{
throw new ODataException(ODataErrorStrings.ODataJsonReaderUtils_CannotConvertDateTime(primitiveTypeReference.ODataFullName()));
}
return(datetimeValue);
}
