Split into service and UI

Service/Framework/ConsoleHarness.cs

@@ -0,0 +1,70 @@
+using System;
+
+namespace SystemTemperatureService.Framework
+{
+    public static class ConsoleHarness
+    {
+        // Run a service from the console given a service implementation
+        public static void Run(string[] args, IWindowsService service)
+        {
+            bool isRunning = true;
+
+            // simulate starting the windows service
+            service.OnStart(args);
+
+            // let it run as long as Q is not pressed
+            while (isRunning)
+            {
+                WriteToConsole(ConsoleColor.Yellow, "Enter either [Q]uit, [P]ause, [R]esume : ");
+                isRunning = HandleConsoleInput(service, Console.ReadLine());
+            }
+
+            // stop and shutdown
+            service.OnStop();
+            service.OnShutdown();
+        }
+
+        // Private input handler for console commands.
+        private static bool HandleConsoleInput(IWindowsService service, string line)
+        {
+            bool canContinue = true;
+
+            // check input
+            if (line != null)
+            {
+                switch (line.ToUpper())
+                {
+                    case "Q":
+                        canContinue = false;
+                        break;
+
+                    case "P":
+                        service.OnPause();
+                        break;
+
+                    case "R":
+                        service.OnContinue();
+                        break;
+
+                    default:
+                        WriteToConsole(ConsoleColor.Red, "Did not understand that input, try again.");
+                        break;
+                }
+            }
+
+            return canContinue;
+        }
+
+        // Helper method to write a message to the console at the given foreground color.
+        internal static void WriteToConsole(ConsoleColor foregroundColor, string format, params object[] formatArguments)
+        {
+            ConsoleColor originalColor = Console.ForegroundColor;
+            Console.ForegroundColor = foregroundColor;
+
+            Console.WriteLine(format, formatArguments);
+            Console.Out.Flush();
+
+            Console.ForegroundColor = originalColor;
+        }
+    }
+}