반사 로 인해 추상 적 인 공장 모델 의 대상 을 한 단계 더 향상 시 켰 다(지식 점:주입,반사,다 형 성,XML 파일 조작 등)

namespace test

{

    #region            

    internal static class ReflectionFactory

    {

        private static String _windowType;

        private static String _styleType;

        static ReflectionFactory()

        {

            XmlDocument xmlDoc = new XmlDocument();

            xmlDoc.Load(@"f:/test.xml");

            XmlNode xmlNode = xmlDoc.ChildNodes[0];

            _windowType = xmlNode.ChildNodes[0].ChildNodes[0].Value;

            _styleType = xmlNode.ChildNodes[1].ChildNodes[0].Value;

        }

        public static IWindow MakeWindow()

        {

            return Assembly.Load("test").CreateInstance("test." + _windowType) as IWindow;

        }

        public static IStyle MakeStyle()

        {

            return Assembly.Load("test").CreateInstance("test." + _styleType) as IStyle;

        }

    }

    #endregion

    #region       

    internal interface IStyle

    {

        String ShowInfo();

    }

    internal interface IWindow

    {

        String ShowInfo();

    }

    #endregion

    #region     

    internal sealed class WindowsStyle : IStyle

    {

        public String Description { get; private set; }

        public WindowsStyle()

        {

            this.Description = "Windows    ";

        }

        public String ShowInfo()

        {

            return this.Description;

        }

    }

    internal sealed class MacStyle : IStyle

    {

        public String Description { get; private set; }

        public MacStyle()

        {

            this.Description = "Mac    ";

        }

        public String ShowInfo()

        {

            return this.Description;

        }

    }

    #endregion

    #region     

    internal sealed class WindowsWindow : IWindow

    {

        public String Description { get; private set; }

        public WindowsWindow()

        {

            this.Description = "Windows    ";

        }

        public String ShowInfo()

        {

            return this.Description;

        }

    }

    internal sealed class MacWindow : IWindow

    {

        public String Description { get; private set; }

        public MacWindow()

        {

            this.Description = "Mac    ";

        }

        public String ShowInfo()

        {

            return this.Description;

        }

    }

    #endregion

    #region       

    internal interface IFactory

    {

        IWindow MakeWindow();

        IStyle MakeStyle();

    }

    #endregion

    #region        

    internal sealed class WindowsFactory : IFactory

    {

        public IWindow MakeWindow()

        {

            return new WindowsWindow();

        }

        public IStyle MakeStyle()

        {

            return new WindowsStyle();

        }

    }

    internal sealed class MacFactory : IFactory

    {

        public IWindow MakeWindow()

        {

            return new MacWindow();

        }

        public IStyle MakeStyle()

        {

            return new MacStyle();

        }

    }

    #endregion

}

주 프로그램 에서 이렇게 호출 합 니 다:

            #region                    

            IWindow window = ReflectionFactory.MakeWindow();

            Console.WriteLine("  　" + window.ShowInfo());

            IStyle style = ReflectionFactory.MakeStyle();

            Console.WriteLine("  　" + style.ShowInfo());

  #endregion

XML 프로필 은 다음 과 같 습 니 다.

<?xml version="1.0" encoding="utf-8" ?>

<config>

  <window>MacWindow</window>

  <style>MacStyle</style>

</config>