code: function(app, route){
  
          var self = this;
  
          // Figure out the folder they want to bind.
          var folderPath = route.controller.replace(/staticDir:/g, '');
          var folder = self.options.rootPath + folderPath;
  
          // Make sure that's actually a folder.
          try {
              var info = fs.lstatSync(folder);
              if (info.isDirectory()) {
                  app.use(express.static(folder));
              }
          }
          catch (e) {
              throw new Error('The specified static path (' + folderPath + ') does not exist or is not a directory.');
          }
      }
docs: Handles binding a particular folder to be served statically by Express.
  @param {Object} app The application to bind against.
  @param {Object} route The details of the route to bind.