IntegerValidator
Provides validation of an Int32 value.
namespace System.Configuration
{
public class IntegerValidator : ConfigurationValidatorBase
{
private enum ValidationFlags
{
None,
ExclusiveRange
}
private readonly ValidationFlags _flags;
private readonly int _maxValue;
private readonly int _minValue;
private readonly int _resolution;
public IntegerValidator(int minValue, int maxValue)
: this(minValue, maxValue, false, 1)
{
}
public IntegerValidator(int minValue, int maxValue, bool rangeIsExclusive)
: this(minValue, maxValue, rangeIsExclusive, 1)
{
}
public IntegerValidator(int minValue, int maxValue, bool rangeIsExclusive, int resolution)
{
if (resolution <= 0)
throw new ArgumentOutOfRangeException("resolution");
if (minValue > maxValue)
throw new ArgumentOutOfRangeException("minValue", System.SR.Validator_min_greater_than_max);
_minValue = minValue;
_maxValue = maxValue;
_resolution = resolution;
_flags = (rangeIsExclusive ? ValidationFlags.ExclusiveRange : ValidationFlags.None);
}
public override bool CanValidate(Type type)
{
return type == typeof(int);
}
public override void Validate(object value)
{
ValidatorUtils.HelperParamValidation(value, typeof(int));
ValidatorUtils.ValidateScalar((int)value, _minValue, _maxValue, _resolution, _flags == ValidationFlags.ExclusiveRange);
}
}
}