internal void ParseRoute(string routeString, out IMessageSource messageSource, out string condition, out Endpoint endpoint)
{
var errorListener = new ErrorListener();
var input = new AntlrInputStream(routeString);
var lexer = new RouteLexer(input);
var tokens = new CommonTokenStream(lexer);
var parser = new RouteParser(tokens);
parser.RemoveErrorListeners();
parser.AddErrorListener(errorListener);
IParseTree tree = parser.route();
errorListener.Validate();
var walker = new ParseTreeWalker();
var listener = new RouteParserListener(this.endpointFactory);
walker.Walk(listener, tree);
condition = listener.Condition ?? DefaultCondition;
messageSource = CustomMessageSource.Create(listener.Source);
endpoint = listener.Endpoint;
}