method

respond_to

v3.1.0 - Show latest stable - 0 notes - Class: ActionController::MimeResponds::ClassMethods

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What's this?

respond_to(*mimes) public

Defines mime types that are rendered by default when invoking respond_with.

Examples:

respond_to :html, :xml, :json

Specifies that all actions in the controller respond to requests for :html, :xml and :json.

To specify on per-action basis, use :only and :except with an array of actions or a single action:

respond_to :html
respond_to :xml, :json, :except => [ :edit ]

This specifies that all actions respond to :html and all actions except :edit respond to :xml and :json.

respond_to :json, :only => :create

This specifies that the :create action and no other responds to :json.

Show source

# File actionpack/lib/action_controller/metal/mime_responds.rb, line 42
      def respond_to(*mimes)
        options = mimes.extract_options!

        only_actions   = Array(options.delete(:only))
        except_actions = Array(options.delete(:except))

        new = mimes_for_respond_to.dup
        mimes.each do |mime|
          mime = mime.to_sym
          new[mime]          = {}
          new[mime][:only]   = only_actions   unless only_actions.empty?
          new[mime][:except] = except_actions unless except_actions.empty?
        end
        self.mimes_for_respond_to = new.freeze
      end

respond_to

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