/// <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="literalValue">The literal value that was parsed as this primitiveValue.</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,
string literalValue,
IEdmModel model,
IEdmTypeReference expectedTypeReference)
{
ExceptionUtils.CheckArgumentNotNull(primitiveValue, "primitiveValue");
ExceptionUtils.CheckArgumentNotNull(literalValue, "literalValue");
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.FullName()));
}
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.FullName(), literalValue));
}
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.FullName(), literalValue));
}
public static string ConvertToUriLiteral(object value, ODataVersion version, IEdmModel model)
{
if (value == null)
{
value = new ODataNullValue();
}
if (model == null)
{
model = Microsoft.OData.Edm.EdmCoreModel.Instance;
}
ODataNullValue nullValue = value as ODataNullValue;
if (nullValue != null)
{
return(ExpressionConstants.KeywordNull);
}
ODataResourceValue resourceValue = value as ODataResourceValue;
if (resourceValue != null)
{
return(ODataUriConversionUtils.ConvertToResourceLiteral(resourceValue, model, version));
}
ODataCollectionValue collectionValue = value as ODataCollectionValue;
if (collectionValue != null)
{
return(ODataUriConversionUtils.ConvertToUriCollectionLiteral(collectionValue, model, version));
}
ODataEnumValue enumValue = value as ODataEnumValue;
if (enumValue != null)
{
return(ODataUriConversionUtils.ConvertToUriEnumLiteral(enumValue, version));
}
ODataResourceBase resource = value as ODataResourceBase;
if (resource != null)
{
return(ODataUriConversionUtils.ConvertToUriEntityLiteral(resource, model));
}
ODataEntityReferenceLink link = value as ODataEntityReferenceLink;
if (link != null)
{
return(ODataUriConversionUtils.ConvertToUriEntityReferenceLiteral(link, model));
}
ODataEntityReferenceLinks links = value as ODataEntityReferenceLinks;
if (links != null)
{
return(ODataUriConversionUtils.ConvertToUriEntityReferencesLiteral(links, model));
}
IEnumerable <ODataResourceBase> list = value as IEnumerable <ODataResourceBase>;
if (list != null)
{
return(ODataUriConversionUtils.ConvertToUriEntitiesLiteral(list, model));
}
// Try to convert uints to their underlying type first according to the model.
value = model.ConvertToUnderlyingTypeIfUIntValue(value);
return(ODataUriConversionUtils.ConvertToUriPrimitiveLiteral(value, version));
}
