using System;

using System.Data;

​

public class Program

{

    public static void Main()

    {

        Create("COMPTE_ROUTEUR", "CLIENT", "SOUS_CLIENT", "F700", "//SERVER/DIR/FILE.EXT");

        Create("COMPTE_ROUTEUR", "CLIENT", "SOUS_CLIENT", "F1500", "//SERVER/DIR/FILE.EXT");

    }

    private static void Create(string COMPTE_ROUTEUR, string CLIENT, string SOUS_CLIENT, string FORMAT, string PATH)

    {

        var extractor = GetExtractor();

        var table = extractor.Extract(COMPTE_ROUTEUR, CLIENT, SOUS_CLIENT);

        switch (FORMAT)

        {

            case "F700":

                var f700creator = GetF700Creator();

                var f700file = f700creator.Create(table);

                var f700writer = GetF700Writer();

                f700writer.Write(PATH, f700file);

                break;

            case "F1500":

                var f1500creator = GetF1500Creator();

                var f1500file = f1500creator.Create(table);

                var f1500writer = GetF1500Writer();

                f1500writer.Write(PATH, f1500file);

                break;

        }

        Console.WriteLine();

    }

    private static IDataExtractor GetExtractor() { return new DefaultDataExtractor(); }

    private static IFileCreator<Carrier010F700File> GetF700Creator() { return new Carrier010F700FileCreator(); }

    private static IFileCreator<Carrier010F1500File> GetF1500Creator() { return new Carrier010F1500FileCreator(); }

    private static IFileWriter<Carrier010F700File> GetF700Writer() { return new Carrier010F700FileWriter(); }

    private static IFileWriter<Carrier010F1500File> GetF1500Writer() { return new Carrier010F1500FileWriter(); }

}

​

// FILES

public abstract class Carrier010File

{ public string CommonData { get; protected set; } }

public class Carrier010F700File : Carrier010File

{ public string F700Data { get; protected set; } }

public class Carrier010F1500File : Carrier010File

{ public string F1500Data { get; protected set; } }

​

// DATA EXTRACTORS

public interface IDataExtractor

{ DataTable Extract(string COMPTE_ROUTEUR, string CLIENT, string SOUS_CLIENT); }

public class DefaultDataExtractor : IDataExtractor

{

    public DataTable Extract(string COMPTE_ROUTEUR, string CLIENT, string SOUS_CLIENT)

    { 

        Console.WriteLine("Extract DataTable (COMPTE_ROUTEUR=" + COMPTE_ROUTEUR + " ; CLIENT=" + CLIENT + " ; SOUS_CLIENT=" + SOUS_CLIENT + ")");

        return new DataTable();

    }

}

​

// FILE CREATORS

public interface IFileCreator<TFile> where TFile : Carrier010File

{ TFile Create(DataTable table); }

public class Carrier010F700FileCreator : IFileCreator<Carrier010F700File>

{

    public Carrier010F700File Create(DataTable table)

    {

        Console.WriteLine("Create F700File");

        return new Carrier010F700File();

    }

}

public class Carrier010F1500FileCreator : IFileCreator<Carrier010F1500File>

{

    public Carrier010F1500File Create(DataTable table)

    {

        Console.WriteLine("Create F1500File");

        return new Carrier010F1500File();

    }

}

​

// FILE WRITERS

public interface IFileWriter<TFile> where TFile : Carrier010File

{ void Write(string path, TFile file); }

public class Carrier010F700FileWriter : IFileWriter<Carrier010F700File>

{

    public void Write(string path, Carrier010F700File file)

    {

        Console.WriteLine("Write F700File at " + path);

    }

}

public class Carrier010F1500FileWriter : IFileWriter<Carrier010F1500File>

{

    public void Write(string path, Carrier010F1500File file)

    {

        Console.WriteLine("Write F1500File at " + path);

    }

}