private static bool CheckRange <T>(object inValue, PossibleValueRangeAttribute possibleValue)
where T : IComparable <T>
{
try
{
T maxValue = (T)GetValueFromString(typeof(T), possibleValue.MaxValue);
T minValue = (T)GetValueFromString(typeof(T), possibleValue.MinValue);
T checkingValue = (T)inValue;
if (maxValue.CompareTo(minValue) < 0)
{
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "max value: {0} could not be less than min value: {1}", maxValue.ToString(), minValue.ToString()));
}
if ((checkingValue.CompareTo(maxValue) <= 0 && checkingValue.CompareTo(minValue) >= 0))
{
return(true);
}
}
catch (FormatException ex)
{
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "Format exception happens when convert {0} or {1} to {2}, information: {3}",
possibleValue.MinValue, possibleValue.MaxValue,
inValue.GetType().Name, ex.ToString()));
}
catch (OverflowException ex)
{
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "{0} or {1} overflowed as {2}, information: {3}", possibleValue.MinValue,
possibleValue.MaxValue, inValue.GetType().Name, ex.ToString()));
}
catch (Exception ex)
{
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "Error happens when check value range, information: {0}", ex.ToString()));
}
return(false);
}
/// <summary>
/// Check if the given value is within the possible value range.
/// </summary>
/// <param name="inValue">The given value</param>
/// <param name="possibleValueAttribute">The possible value range</param>
/// <returns>True for yes; False for no.</returns>
public static bool CheckValueByRange(object inValue, PossibleValueRangeAttribute possibleValueAttribute)
{
String typeName = inValue.GetType().Name;
bool checkResult;
switch (typeName)
{
case "Char":
checkResult = CheckRange <Char>(inValue, possibleValueAttribute);
break;
case "Byte":
checkResult = CheckRange <Byte>(inValue, possibleValueAttribute);
break;
case "SByte":
checkResult = CheckRange <SByte>(inValue, possibleValueAttribute);
break;
case "Int16":
checkResult = CheckRange <Int16>(inValue, possibleValueAttribute);
break;
case "UInt16":
checkResult = CheckRange <UInt16>(inValue, possibleValueAttribute);
break;
case "Int32":
checkResult = CheckRange <Int32>(inValue, possibleValueAttribute);
break;
case "UInt32":
checkResult = CheckRange <UInt32>(inValue, possibleValueAttribute);
break;
case "Int64":
checkResult = CheckRange <Int64>(inValue, possibleValueAttribute);
break;
case "UInt64":
checkResult = CheckRange <UInt64>(inValue, possibleValueAttribute);
break;
case "Double":
checkResult = CheckRange <Double>(inValue, possibleValueAttribute);
break;
case "Single":
checkResult = CheckRange <Single>(inValue, possibleValueAttribute);
break;
case "Decimal":
checkResult = CheckRange <Decimal>(inValue, possibleValueAttribute);
break;
default:
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "{0} data type is not supported", typeName));
}
return(checkResult);
}
