internal static object ConvertTo(string valueString, Type type)
{
if (valueString == null)
{
return(null);
}
if (TypeHelper.IsNullable(type) && String.Equals(valueString, "null", StringComparison.Ordinal))
{
return(null);
}
// TODO 1668: ODL beta1's ODataUriUtils.ConvertFromUriLiteral does not support converting uri literal
// to ODataEnumValue, but beta1's ODataUriUtils.ConvertToUriLiteral supports converting ODataEnumValue
// to uri literal.
if (TypeHelper.IsEnum(type))
{
string[] values = valueString.Split(new[] { '\'' }, StringSplitOptions.None);
if (values.Length == 3 && String.IsNullOrEmpty(values[2]))
{
// Remove the type name if the enum value is a fully qualified literal.
valueString = values[1];
}
Type enumType = TypeHelper.GetUnderlyingTypeOrSelf(type);
object[] parameters = new[] { valueString, Enum.ToObject(enumType, 0) };
bool isSuccessful = (bool)EnumTryParseMethod.MakeGenericMethod(enumType).Invoke(null, parameters);
if (!isSuccessful)
{
throw Error.InvalidOperation(SRResources.ModelBinderUtil_ValueCannotBeEnum, valueString, type.Name);
}
return(parameters[1]);
}
// The logic of "public static object ConvertFromUriLiteral(string value, ODataVersion version);" treats
// the date value string (for example: 2015-01-02) as DateTimeOffset literal, and return a DateTimeOffset
// object. However, the logic of
// "object ConvertFromUriLiteral(string value, ODataVersion version, IEdmModel model, IEdmTypeReference typeReference);"
// can return the correct Date object.
if (type == typeof(Date) || type == typeof(Date?))
{
EdmCoreModel model = EdmCoreModel.Instance;
IEdmPrimitiveTypeReference dateTypeReference = EdmLibHelpers.GetEdmPrimitiveTypeReferenceOrNull(type);
return(ODataUriUtils.ConvertFromUriLiteral(valueString, ODataVersion.V4, model, dateTypeReference));
}
object value;
try
{
value = ODataUriUtils.ConvertFromUriLiteral(valueString, ODataVersion.V4);
}
catch
{
if (type == typeof(string))
{
return(valueString);
}
throw;
}
bool isNonStandardEdmPrimitive;
EdmLibHelpers.IsNonstandardEdmPrimitive(type, out isNonStandardEdmPrimitive);
if (isNonStandardEdmPrimitive)
{
return(EdmPrimitiveHelpers.ConvertPrimitiveValue(value, type));
}
else
{
type = Nullable.GetUnderlyingType(type) ?? type;
return(System.Convert.ChangeType(value, type, CultureInfo.InvariantCulture));
}
}