using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace libxmltv.Core
{
    internal static class Internals
    {
        internal static bool VerifyInstance<T>(object xmltv, out T t) where T : class
        {
            try
            {
                t = null;
                if (xmltv == null) { return false; }
                t = (xmltv as T);
                if (t == null) { throw new InvalidCastException(string.Format("Unable to cast type: {0} to {1}", xmltv.GetType().Name, typeof(T).Name)); }
                else { return true; }
            }
            catch (Exception ex)
            {
                throw new InvalidCastException(string.Format("Unable to cast type: {0} to {1}", xmltv.GetType().Name, typeof(T).Name), ex);
            }
        }
    }
}