using System;

namespace ChadSoft.Validators
{
    public abstract class ValidatorAttribute : Attribute
    {
        public virtual string ErrorMessage { get; set; }

        public virtual bool IsValid(object val)
        {
            // The value's gotta be set in order to validate it!
            return val != null;
        }

        public virtual void Validate(object val)
        {
            if (!IsValid(val)) 
                throw new ValidationException(ErrorMessage);
        }

    }
}