diff --git a/src/Parser.cs b/src/Parser.cs
index 315f4b3..e69536b 100644
--- a/src/Parser.cs
+++ b/src/Parser.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Threading;
 using System.Collections.Generic;
+using System.Text.RegularExpressions;
 
 namespace WorldOfPeacecraft
 {
@@ -10,11 +11,13 @@ namespace WorldOfPeacecraft
 		private AutoResetEvent BufferFilledEvent = new AutoResetEvent (false);
 		private Thread ParserThread;
 		private List<string> message;
+		private Regex LastLineRegex;
 
 		public Parser ()
 		{
 			ParserThread = new Thread (new ThreadStart (this.RunParser));
 			message = new LinkedList<string> ();
+			LastLineRegex = new Regex("^end:[0-9]+$");
 		}
 
 		public void RunParser ()
@@ -35,10 +38,19 @@ namespace WorldOfPeacecraft
 			}
 		}
 
-		public static void Parse (List<string> message)
+		public void Parse ()
 		{
+			// If package is not complete wait for more lines
+			if (!IsCompletePackage())
+				return;
 			// TODO Implement
 		}
+		
+		public bool IsCompletePackage()
+		{
+			string lastLine = message.Last.Value;
+			return LastLineRegex.IsMatch(lastLine);
+		}
 
 		public void Stop ()
 		{