    # File lib/mongrel/uri_classifier.rb, line 46
        def resolve(request_uri)
          if @root_handler
            # Optimization for the pathological case of only one handler on "/"; e.g. Rails
            [Const::SLASH, request_uri, @root_handler]
          elsif match = @matcher.match(request_uri)
            uri = match.to_s
            # A root mounted ("/") handler must resolve such that path info matches the original URI.
            [uri, (uri == Const::SLASH ? request_uri : match.post_match), @handler_map[uri]]
          else
            [nil, nil, nil]
          end
        end