public static ArgumentValidation <string> ShorterThan(this ArgumentValidation <string> item, int limit)
{
if (item.Value.Length >= limit)
{
throw new ArgumentException(
string.Format("Parameter {0} must be shorter than {1} chars", item.Name, limit), item.Name);
}
return(item);
}
public static ArgumentValidation <string> StartsWith(this ArgumentValidation <string> item, string pattern)
{
if (!item.Value.StartsWith(pattern))
{
throw new ArgumentException(string.Format("Parameter {0} must start with {1}", item.Name, pattern),
item.Name);
}
return(item);
}
public static ArgumentValidation <object[]> RequiredArrayLength(this ArgumentValidation <object[]> item,
int length)
{
if (item.Value.Length != length)
{
throw (new ArgumentException(
string.Format("Required array length is {0}, {1} whas provided.", length, item.Value.Length),
item.Name));
}
return(item);
}
public static ArgumentValidation <T> NotNullOrEmpty <T>(this ArgumentValidation <T> item) where T : class
{
if (item.Value == null)
{
throw new ArgumentNullException(item.Name);
}
if (typeof(T) == typeof(string))
{
if (item.Value.ToString().Length == 0)
{
throw new ArgumentNullException(item.Name, "Parameter can´t be null or empty");
}
}
return(item);
}