/*

Instead of one fat interface many small interfaces are preferred based on groups of methods with each one serving one submodule.

*/

​

​

using System;

​

namespace ISPDemoConsole

{

    interface IPrintScanContent

    {

        bool PrintContent(string content);

        bool ScanContent(string content);

        bool PhotoCopyContent(string content);

    }

​

    interface IFaxContent

    {

        bool FaxContent(string content);

    }

​

    interface IPrintDuplex

    {

        bool PrintDuplexContent(string content);

    }

} 

​

namespace ISPDemoConsole.Client

{

    class HPLaserJet : IPrintScanContent, IFaxContent, IPrintDuplex

    {

        public bool FaxContent(string content)

        {

            Console.WriteLine("Fax Done"); return true;

        }

        public bool PhotoCopyContent(string content)

        {

            Console.WriteLine("PhotoCopy Done"); return true;

        }

        public bool PrintContent(string content)

        {

            Console.WriteLine("Print Done"); return true;

        }

        public bool PrintDuplexContent(string content)

        {

            Console.WriteLine("Print Duplex Done"); return true;

        }

        public bool ScanContent(string content)

        {

            Console.WriteLine("Scan Done"); return true;

        }

    }

    class CannonMG2470 : IPrintScanContent

    {

        public bool PhotoCopyContent(string content)

        {

            Console.WriteLine("PhotoCopy Done");

            return true;

        }

        public bool PrintContent(string content)

        {

            Console.WriteLine("Print Done");

            return true;

        }

        public bool ScanContent(string content)

        {

            Console.WriteLine("Scan Done");

            return true;

        }

    }

    public class Program

    {

        public static void Main(string[] args)

        {

            Console.WriteLine("SOLID ISP 2");

        }

    }

}