CLI µService Adapters

01ConsoleServiceProvider.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;


public class ConsoleServiceProvider : IDisposable
{
    private readonly string serviceFilepath;
    private readonly string commandlineParams;

    public ConsoleServiceProvider(string serviceFilepath) : this(serviceFilepath, "") { }
    public ConsoleServiceProvider(string serviceFilepath, string commandlineParams)
    {
        this.commandlineParams = commandlineParams;
        this.serviceFilepath = serviceFilepath;
    }


    public string Process(string input) { return Process(this.commandlineParams, input); }
    public string Process(string commandlineParams, string input)
    {
        var p = new Process
        {
            StartInfo = new ProcessStartInfo(this.serviceFilepath, commandlineParams)
            {
                UseShellExecute = false,
                RedirectStandardInput = true,
                RedirectStandardOutput = true,
                CreateNoWindow = true
            }
        };
        p.Start();

        p.StandardInput.Write(input);
        p.StandardInput.Close();

        var output = new List<string>();
        p.OutputDataReceived += (sender, e) => output.Add(e.Data);
        p.BeginOutputReadLine();

        p.WaitForExit();

        return string.Join("\n", output);
    }


    #region IDisposable implementation
    public void Dispose() { }
    #endregion
}

02ConsoleServicePortal.cs

public class ConsoleServicePortal : IDisposable {
	public string Receive() {
		var message = "";
		var l = "";
		while ((l = Console.ReadLine()) != null) {
			if (message != "") message += "\n";
			message += l;
		}
		return message;
	}

	public void Send(string message) {
		Console.Write(message);
	}

	#region IDisposable implementation
	public void Dispose () {}
	#endregion
}

03SampleService.cs

class Program
{
    static void Main(string[] args)
    {
	using (var p = new servicewrappers.ConsoleServicePortal ()) {
		var input = p.Receive ();
		p.Send (string.Format("<<<{0}, {1}>>>", args[0], input.ToUpper ()));
	}
    }
}