Step04-Final.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Castle.DynamicProxy;
using Humanizer;

namespace TestAOPDemo
{
    public class Program
    {

        public class MyProxy<TClass> where TClass : class
        {
            private TClass _object;
            public TClass Object
            {
                get { return _object ?? (_object = CreateNewClass()); }
            }

            private static readonly ProxyGenerator ProxyGenerator = new ProxyGenerator();

            private TClass CreateNewClass()
            {
                return ProxyGenerator.CreateClassProxy<TClass>(new ClassInterceptor());
            }
        }

        public class ClassInterceptor : IInterceptor
        {
            public void Intercept(IInvocation invocation)
            {
                string readableMethodName = invocation.Method.Name.Humanize();

                Console.ForegroundColor = ConsoleColor.Green;
                Console.Write("[Started]  ");
                Console.ResetColor();

                Console.WriteLine("Step: " + readableMethodName);

                invocation.Proceed();

                Console.ForegroundColor = ConsoleColor.Yellow;
                Console.Write("[Finished] ");
                Console.ResetColor();
                Console.WriteLine("Step: " + readableMethodName);

                Console.ForegroundColor = ConsoleColor.Magenta;
                Console.WriteLine(new String('~', 40));
                Console.ResetColor();
            }
        }

        public abstract class Animal
        {
            public virtual void HappyBirthday()
            {
                Console.WriteLine("\tNew Animal was Created");
            }
        }

        public class Cow : Animal
        {
            public virtual void SayMoo()
            {
                Console.WriteLine("\tCow: Mooooo!");
            }
        }

        public class Tester : Animal
        {
            public virtual void Assert_that_each_tester_should_read_DZis_is_a_test_Blog()
            {
                Console.WriteLine("\tTester: That's true! That's true!: http://blog.zhariy.com");
            }
        }


        public static class Steps
        {
            public static Cow Cow { get { return new MyProxy<Cow>().Object; } }
            public static Tester Tester { get { return new MyProxy<Tester>().Object; } }
        }

        static void Main(string[] args)
        {
            Steps.Cow.HappyBirthday();
            Steps.Cow.SayMoo();

            var tester = Steps.Tester;
            tester.HappyBirthday();
            tester.Assert_that_each_tester_should_read_DZis_is_a_test_Blog();
        }
    }
}