module ActionController::RespondWith::ClassMethods
Public Instance Methods
clear_respond_to()
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Clear all mime types in respond_to
.
# File lib/action_controller/respond_with.rb, line 57 def clear_respond_to self.mimes_for_respond_to = Hash.new.freeze end
respond_to(*mimes)
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Defines mime types that are rendered by default when invoking respond_with
.
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
.
# File lib/action_controller/respond_with.rb, line 39 def respond_to(*mimes) options = mimes.extract_options! only_actions = Array(options.delete(:only)).map(&:to_sym) except_actions = Array(options.delete(:except)).map(&:to_sym) hash = mimes_for_respond_to.dup mimes.each do |mime| mime = mime.to_sym hash[mime] = {} hash[mime][:only] = only_actions unless only_actions.empty? hash[mime][:except] = except_actions unless except_actions.empty? end self.mimes_for_respond_to = hash.freeze end