/// <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>
/// If the source node is not of the specified type, then we check if type promotion is possible and inject a convert node.
/// If the source node is the same type as the target type (or if the target type is null), we just return the source node as is.
/// </summary>
/// <param name="source">The source node to apply the convertion to.</param>
/// <param name="targetTypeReference">The target primitive type. May be null - this method will do nothing in that case.</param>
/// <returns>The converted query node, or the original source node unchanged.</returns>
internal static SingleValueNode ConvertToTypeIfNeeded(SingleValueNode source, IEdmTypeReference targetTypeReference)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(source != null, "source != null");
if (targetTypeReference == null)
{
return(source);
}
if (source.TypeReference != null)
{
if (source.TypeReference.IsEquivalentTo(targetTypeReference))
{
return(source);
}
if (!TypePromotionUtils.CanConvertTo(source.TypeReference, targetTypeReference))
{
throw new ODataException(ODataErrorStrings.MetadataBinder_CannotConvertToType(source.TypeReference.ODataFullName(), targetTypeReference.ODataFullName()));
}
}
// If the source doesn't have a type (possibly an open property), then it's possible to convert it
// cause we don't know for sure.
return(new ConvertNode(source, targetTypeReference));
}
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;
}