using System;

using System.Reflection;

​

public class Program

{

    public interface IProcessor

    {

        string Process(string text);

    }

​

    public class Processors

    {

        public class GBR : IProcessor

        {

            public string Process(string text)

            {

                return $"{text} (processed with GBR rules)";

            }

        }

​

        public class FRA : IProcessor

        {

            public string Process(string text)

            {

                return $"{text} (processed with FRA rules)";

            }

        }

​

        // also place these in the Processors class above

        public static IProcessor CreateProcessor(string country)

        {

            var typeName = $"{typeof(Processors).FullName}+{country}";

            var processor = (IProcessor)Assembly.GetAssembly(typeof(Processors)).CreateInstance(typeName);

            return processor;

        }

​

        public static string Process(string country, string text)

        {

            var processor = CreateProcessor(country);

            return processor?.Process(text);

        }

    }

​

    public static void Main()

    {

        // create a processor object for multiple use, if needed...

        var processorGbr = Processors.CreateProcessor("GBR");

        Console.WriteLine(processorGbr.Process("This is some text."));

        // create and use a processor for one-time use

        Console.WriteLine(Processors.Process("FRA", "This is some more text."));

    }

}