Class: ActionController::MiddlewareStack

Inherits:
ActionDispatch::MiddlewareStack show all
Defined in:
lib/action_controller/metal.rb

Overview

Extend ActionDispatch middleware stack to make it aware of options allowing the following syntax in controllers:

class PostsController < ApplicationController
  use AuthenticationMiddleware, :except => [:index, :show]
end

Defined Under Namespace

Classes: Middleware

Instance Method Summary collapse

Methods inherited from ActionDispatch::MiddlewareStack

#active, #initialize, #insert, #insert_after, #swap, #use

Constructor Details

This class inherits a constructor from ActionDispatch::MiddlewareStack

Instance Method Details

#build(action, app = nil, &block) ⇒ Object 



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# File 'lib/action_controller/metal.rb', line 34

def build(action, app=nil, &block)
  app  ||= block
  action = action.to_s
  raise "MiddlewareStack#build requires an app" unless app

  reverse.inject(app) do |a, middleware|
    middleware.valid?(action) ?
      middleware.build(a) : a
  end
end