[설계 패턴 C#] 6. 적응자 패턴

6. 적응자 패턴

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BeforeAdapter.zip

Adapter.zip

"본문 내용"은 언제나 휴일 본 사이트에 있습니다.

 

*적응자 패턴 적용 전

▶PImageProcessor.cs

namespace BeforeAdapter {     class PImageProcessor     {         public string Subject         {             get;             set;         }         public string Picture         {             get;             private set;         }           public PImageProcessor()         {             Subject = string.Empty;             Picture = string.Empty;         }           public void ImageProcessing()         {             Picture = Subject.Replace("people","PEOPLE");         }     } }

 

▶Camera.cs

namespace BeforeAdapter {     class Camera     {         PImageProcessor pi_processor;           public Camera(PImageProcessor pi_processor)         {             this.pi_processor = pi_processor;         }           public string TakeAPicture(string subject)         {             pi_processor.Subject = subject;             pi_processor.ImageProcessing();             return pi_processor.Picture;         }     } }

 

▶Program.cs

using System;   namespace BeforeAdapter {     class Program     {         static void Main(string[] args)         {             PImageProcessor pi_processor = new PImageProcessor();             Camera ca = new Camera(pi_processor);             string picture = ca.TakeAPicture("people animal people plant");             Console.WriteLine(picture);         }     } }

 

*적응자 패턴 적용 후

▶AImageProcessor.cs

namespace Adapter {     class AImageProcessor     {         public string Image         {             get;             set;         }         public string Picture         {             get;             private set;         }           public AImageProcessor()         {             Image = string.Empty;             Picture = string.Empty;         }         public void Processing()         {             Picture = Image.Replace("animal","ANIMAL");         }     } }

 

▶IImageProcessing

namespace Adapter {     interface IImageProcessing     {         string Subject         {             get;             set;         }         string Picture         {             get;         }         void ImageProcessing();     } }

 

▶ WrapAImageProcessor.cs

namespace Adapter {     class WrapAImageProcessor:IImageProcessing     {         AImageProcessor ai_processor = new AImageProcessor();// 영상 처리하는 실개체           public string  Subject //약속한 속성에 대한 구현         {             get             {                 return ai_processor.Image; //감싸고 있는 개체를 이용함             }             set             {                 ai_processor.Image = value; //감싸고 있는 개체를 이용함             }         }         public string  Picture//약속한 속성에 대한 구현         {             get             {                 return ai_processor.Picture; //감싸고 있는 개체를 이용함             }         }         public void ImageProcessing()//약속한 메서드 구현         {             ai_processor.Processing(); //감싸고 있는 개체를 이용함         }     } }

 

▶ PImageProcessor.cs

namespace Adapter {     class PImageProcessor:IImageProcessing //인터페이스 기반의 클래스로 변경     {         public PImageProcessor()         {             Subject = string.Empty;             Picture = string.Empty;         }           public string Subject         {             get;             set;         }         public string Picture         {             get;             private set;         }           public void ImageProcessing()         {             Picture = Subject.Replace("people", "PEOPLE");         }     } }

 

▶ Camera.cs

namespace Adapter {     class Camera     {         IImageProcessing img_processor;           public Camera(IImageProcessing img_processor)         {             this.img_processor = img_processor;         }           public string TakeAPicture(string subject)         {             img_processor.Subject = subject;             img_processor.ImageProcessing();             return img_processor.Picture;         }           public void UpgradeFirmWare(IImageProcessing img_processor)         {             this.img_processor = img_processor;         }     } }

 

▶ Program.cs

using System; namespace Adapter {     class Program     {         static void Main(string[] args)         {             IImageProcessing[] ips = new IImageProcessing[2];             ips[0] = new PImageProcessor();             ips[1] = new WrapAImageProcessor();                         Camera ca = new Camera(ips[0]);             string picture = ca.TakeAPicture("people animal people plant");             Console.WriteLine(picture);             ca.UpgradeFirmWare(ips[1]);             picture = ca.TakeAPicture("people animal people plant");             Console.WriteLine(picture);         }     } }