public static Argument <Guid> IsNotEmpty(this Argument <Guid> argument)
{
if (Guid.Empty.Equals(argument.Value))
{
throw ExceptionFactory.CreateArgumentException(argument, ExceptionMessages.Current.EmptyGuid);
}
return(argument);
}
public static Argument <double> IsANumber(this Argument <double> argument)
{
if (Double.IsNaN(argument.Value))
{
throw ExceptionFactory.CreateArgumentException(argument,
ExceptionMessages.Current.IsNotANumber);
}
return(argument);
}
public static Argument <string> IsNotNullOrWhiteSpace(this Argument <string> argument)
{
argument.IsNotNullOrEmpty();
if (argument.Value.Any(char.IsWhiteSpace))
{
throw ExceptionFactory.CreateArgumentException(argument, ExceptionMessages.Current.WasWhiteSpace);
}
return(argument);
}
public Argument <T> IsOfType(Type expectedType)
{
var actualType = this.Value == null ? typeof(T) : this.Value.GetType();
if (!expectedType.IsAssignableFrom(actualType))
{
throw ExceptionFactory.CreateArgumentException(
this,
ExceptionMessages.Current.NotOfType.Inject(expectedType.FullName, actualType.FullName));
}
return(this);
}
public static Argument <string> IsNotNullOrEmpty(this Argument <string> argument)
{
if (argument.Value == null)
{
throw ExceptionFactory.CreateNullException(argument);
}
if (argument.Value.Length == 0)
{
throw ExceptionFactory.CreateArgumentException(argument, ExceptionMessages.Current.WasEmptyString);
}
return(argument);
}
public static Argument <T> DoesNotContainNull <T>(this Argument <T> argument)
where T : IEnumerable
{
if (argument.Value == null)
{
throw ExceptionFactory.CreateNullException(argument);
}
if (argument.Value.Cast <object>().Any(o => o == null))
{
throw ExceptionFactory.CreateArgumentException(argument, ExceptionMessages.Current.ContainedNull);
}
return(argument);
}
public static Argument <T> IsNotEmpty <T>(this Argument <T> argument)
where T : IEnumerable
{
if (argument.Value == null)
{
throw ExceptionFactory.CreateNullException(argument);
}
if (!argument.Value.GetEnumerator().MoveNext())
{
throw ExceptionFactory.CreateArgumentException(argument, ExceptionMessages.Current.EmptyCollection);
}
return(argument);
}
public static Argument <Type> Is(this Argument <Type> argument, Type expectedType)
{
if (argument.Value == null)
{
throw ExceptionFactory.CreateNullException(argument);
}
if (!expectedType.IsAssignableFrom(argument.Value))
{
throw ExceptionFactory.CreateArgumentException(
argument,
ExceptionMessages.Current.IsNotExpectedType.Inject(expectedType.FullName, argument.Value.FullName));
}
return(argument);
}
private static int CompareValueTo <T>(this Argument <T> argument, object comparisonValue)
{
try
{
if (argument.Value is IComparable <T> && comparisonValue is T)
{
return((argument.Value as IComparable <T>).CompareTo((T)comparisonValue));
}
if (argument.Value is IComparable)
{
return((argument.Value as IComparable).CompareTo(comparisonValue));
}
}
catch (ArgumentException)
{
var message = ExceptionMessages.Current.IncomparableTypes.Inject(
argument.GetType().FullName,
comparisonValue.GetType().FullName);
throw ExceptionFactory.CreateArgumentException(argument, message);
}
throw new InvalidOperationException("This should not be possible, please report an issue at http://github.com/pmacn/Krav with the code used get this exception.");
}