Clear all mime types in respond_to
.
# File lib/action_controller/respond_with.rb, line 55 def clear_respond_to self.mimes_for_respond_to = Hash.new.freeze end
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 37 def respond_to(*mimes) options = mimes.extract_options! only_actions = Array(options.delete(:only)).map(&:to_s) except_actions = Array(options.delete(:except)).map(&:to_s) 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