internal ResourceTypeAttribute(IAttributeValueConverter attributeValueConverter, PropertyInfo property, string jsonKey)
: base(property, jsonKey)
{
_attributeValueConverter = attributeValueConverter;
}
private static object TransformDbfValue(DbfFieldInfo field, string fieldValue, IAttributeValueConverter valueConverter)
{
switch (field.NativeDbfType)
{
// Currency
case 'Y':
// Numeric
case 'N':
// Float
case 'F':
// Double
case 'B':
// NOTE: numeric overflow is physically stored as asterisks in the DBF file.
fieldValue = fieldValue.TrimStart(' ', '*');
break;
// Integer
case 'I':
// TODO: Handle integer overflow
// NOTE: Integer fields cannot handle overflow as asterisks in DBF file because they are stored in binary format.
// Overflow in integer field is represented by the lowest integer value -2**32.
fieldValue = fieldValue.TrimStart(' ');
break;
// Date
case 'D':
if (string.IsNullOrEmpty(fieldValue.TrimEnd(' ')))
{
fieldValue = DateTime.MinValue.ToString(CultureInfo.InvariantCulture);
}
else
{
fieldValue = fieldValue.Substring(0, 4) + "-" + fieldValue.Substring(4, 2) + "-" + fieldValue.Substring(6, 2);
}
break;
// DateTime
case 'T':
fieldValue = fieldValue.Substring(0, 4)
+ "-"
+ fieldValue.Substring(4, 2)
+ "-"
+ fieldValue.Substring(6, 2)
+ " "
+ fieldValue.Substring(8, 2)
+ ":"
+ fieldValue.Substring(10, 2)
+ ":"
+ fieldValue.Substring(12, 2);
break;
case 'L':
if (fieldValue.ToUpper() == "T" || fieldValue.ToUpper() == "Y")
{
fieldValue = bool.TrueString;
}
else
{
fieldValue = bool.FalseString;
}
break;
default:
fieldValue = fieldValue.TrimEnd(' ');
break;
}
object result = null;
if (!string.IsNullOrEmpty(fieldValue))
{
result = Convert.ChangeType(fieldValue, field.MappedType, CultureInfo.InvariantCulture);
}
// NOTE: Optionally allow the user to customize the field value / field value type.
if (valueConverter != null)
{
result = valueConverter.Convert(result, field.Name, field.MappedType);
}
return(result);
}
public static void AddValueConverter(this IPocoDynamo db, Type type, IAttributeValueConverter valueConverter)
{
DynamoMetadata.Converters.ValueConverters[type] = valueConverter;
}
internal ResourceTypeAttribute(IAttributeValueConverter attributeValueConverter, PropertyInfo property, string jsonKey)
: base(property, jsonKey)
{
_attributeValueConverter = attributeValueConverter;
}
