Write a Custom Validator for VAB Using the Application Block Software Factory

using System;
using Microsoft.Practices.EnterpriseLibrary.Validation;
using Microsoft.Practices.EnterpriseLibrary.Validation.Validators;

namespace Bursteg.ProvidersLibrary
{
    /// <summary>
    /// Represents a <see cref="PersonIDValidatorAttribute"/>.
    /// </summary>
    [AttributeUsage(AttributeTargets.Property
        | AttributeTargets.Field
        | AttributeTargets.Method
        | AttributeTargets.Parameter,
        AllowMultiple = true,
        Inherited = false)]
    public sealed class PersonIDValidatorAttribute : ValueValidatorAttribute
    {
        private int coutryCode;

        /// <summary>
        /// <para>Initializes a new instance of the <see cref="PersonIDValidatorAttribute"/>.</para>
        /// </summary>
        public PersonIDValidatorAttribute()
        { }

        public PersonIDValidatorAttribute(int country)
        {
            this.coutryCode = country;
        }

        /// <summary>
        /// Creates the <see cref="PersonIDValidator"/> described by the attribute object.
        /// </summary>
        /// <param name="targetType">The type of object that will be validated by the validator.</param>
        /// <remarks>This operation must be overriden by subclasses.</remarks>
        /// <returns>The created <see cref="PersonIDValidator"/>.</returns>
        protected override Validator DoCreateValidator(Type targetType)
        {
            return new PersonIDValidator(this.coutryCode, MessageTemplate, Negated);
        }
    }
}