public static bool TryParse(string value, out ValidBlogDescription description, out IReadOnlyCollection <string> errorMessages)
{
var errorMessageList = new List <string>();
errorMessages = errorMessageList;
if (IsEmpty(value))
{
// TryParse should never fail, so report null as an error instead of ArgumentNullException.
errorMessageList.Add("Value required");
}
else
{
if (value.Length < MinLength || value.Length > MaxLength)
{
errorMessageList.Add(string.Format("Length must be from {0} to {1} characters", MinLength, MaxLength));
}
}
if (errorMessageList.Count > 0)
{
description = null;
return(false);
}
description = new ValidBlogDescription(value);
return(true);
}
public static bool TryParse(string value, out ValidBlogDescription description)
{
IReadOnlyCollection <string> errorMessages;
return(TryParse(value, out description, out errorMessages));
}