class1.cs

来自DoFactory的设计模式, 由于是本人根据已有代码创建,没有NETOptimized项

// Factory Method pattern -- Real World example  

using System;
using System.Collections;

namespace DoFactory.GangOfFour.Factory.RealWorld
{

    // MainApp test application 

    class MainApp
    {
        static void Main()
        {
            // Note: constructors call Factory Method 
            Document[] documents = new Document[2];
            documents[0] = new Resume();
            documents[1] = new Report();

            // Display document pages 
            foreach (Document document in documents)
            {
                Console.WriteLine("\n" + document.GetType().Name + "--");
                foreach (Page page in document.Pages)
                {
                    Console.WriteLine(" " + page.GetType().Name);
                }
            }

            // Wait for user 
            Console.Read();
        }
    }

    // "Product" 

    abstract class Page
    {
    }

    // "ConcreteProduct" 

    class SkillsPage : Page
    {
    }

    // "ConcreteProduct" 

    class EducationPage : Page
    {
    }

    // "ConcreteProduct" 

    class ExperiencePage : Page
    {
    }

    // "ConcreteProduct" 

    class IntroductionPage : Page
    {
    }

    // "ConcreteProduct" 

    class ResultsPage : Page
    {
    }

    // "ConcreteProduct" 

    class ConclusionPage : Page
    {
    }

    // "ConcreteProduct" 

    class SummaryPage : Page
    {
    }

    // "ConcreteProduct" 

    class BibliographyPage : Page
    {
    }

    // "Creator" 

    abstract class Document
    {
        private ArrayList pages = new ArrayList();

        // Constructor calls abstract Factory method 
        public Document()
        {
            this.CreatePages();
        }

        public ArrayList Pages
        {
            get { return pages; }
        }

        // Factory Method 
        public abstract void CreatePages();
    }

    // "ConcreteCreator" 

    class Resume : Document
    {
        // Factory Method implementation 
        public override void CreatePages()
        {
            Pages.Add(new SkillsPage());
            Pages.Add(new EducationPage());
            Pages.Add(new ExperiencePage());
        }
    }

    // "ConcreteCreator" 

    class Report : Document
    {
        // Factory Method implementation 
        public override void CreatePages()
        {
            Pages.Add(new IntroductionPage());
            Pages.Add(new ResultsPage());
            Pages.Add(new ConclusionPage());
            Pages.Add(new SummaryPage());
            Pages.Add(new BibliographyPage());
        }
    }
}