Class: ActionDispatch::MiddlewareStack

Inherits:

Array

• Object
• Array
• ActionDispatch::MiddlewareStack

show all

Defined in:

actionpack/lib/action_dispatch/middleware/stack.rb

Defined Under Namespace

Classes: Middleware

Instance Method Summary (collapse)

• - (Object) build(app = nil, &block)
• - (MiddlewareStack) initialize(*args) {|_self| ... } (also: #array_initialize) constructor

  A new instance of MiddlewareStack.

• - (Object) insert(index, *args, &block) (also: #insert_before)
• - (Object) insert_after(index, *args, &block)
• - (Object) swap(target, *args, &block)
• - (Object) use(*args, &block)

Methods inherited from Array

#as_json, #encode_json, #extract_options!, #fifth, #forty_two, #fourth, #from, #in_groups, #in_groups_of, #sample, #second, #split, #third, #to, #to_formatted_s, #to_param, #to_query, #to_sentence, #to_xml, #uniq_by, #uniq_by!, wrap

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# File 'actionpack/lib/action_dispatch/middleware/stack.rb', line 47

def initialize(*args)
  array_initialize(*args)
  yield(self) if block_given?
end

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# File 'actionpack/lib/action_dispatch/middleware/stack.rb', line 75

def build(app = nil, &block)
  app ||= block
  raise "MiddlewareStack#build requires an app" unless app
  reverse.inject(app) { |a, e| e.build(a) }
end

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# File 'actionpack/lib/action_dispatch/middleware/stack.rb', line 52

def insert(index, *args, &block)
  index = assert_index(index, :before)
  middleware = self.class::Middleware.new(*args, &block)
  super(index, middleware)
end

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# File 'actionpack/lib/action_dispatch/middleware/stack.rb', line 60

def insert_after(index, *args, &block)
  index = assert_index(index, :after)
  insert(index + 1, *args, &block)
end

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# File 'actionpack/lib/action_dispatch/middleware/stack.rb', line 65

def swap(target, *args, &block)
  insert_before(target, *args, &block)
  delete(target)
end

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# File 'actionpack/lib/action_dispatch/middleware/stack.rb', line 70

def use(*args, &block)
  middleware = self.class::Middleware.new(*args, &block)
  push(middleware)
end