From 2bf2055f7a856af0da17473e55ad2bcc5c69b02a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Valim?= <jose.valim@gmail.com>
Date: Sat, 4 Feb 2012 16:00:02 +0100
Subject: Clean up a bit default_response handling and cache format
 negotiation.

---
 .../lib/action_controller/metal/mime_responds.rb   | 33 +++++++++++-----------
 .../lib/action_controller/metal/responder.rb       |  3 +-
 2 files changed, 17 insertions(+), 19 deletions(-)

(limited to 'actionpack/lib')

diff --git a/actionpack/lib/action_controller/metal/mime_responds.rb b/actionpack/lib/action_controller/metal/mime_responds.rb
index 819bbb5463..80ecc16d53 100644
--- a/actionpack/lib/action_controller/metal/mime_responds.rb
+++ b/actionpack/lib/action_controller/metal/mime_responds.rb
@@ -192,8 +192,8 @@ module ActionController #:nodoc:
       raise ArgumentError, "respond_to takes either types or a block, never both" if mimes.any? && block_given?
 
       if collector = retrieve_collector_from_mimes(mimes, &block)
-        response = collector.response_for(negotiated_format(collector)) || collector.default_response
-        response.call(nil)
+        response = collector.response
+        response ? response.call : default_render({})
       end
     end
 
@@ -236,14 +236,13 @@ module ActionController #:nodoc:
       if collector = retrieve_collector_from_mimes(&block)
         options = resources.size == 1 ? {} : resources.extract_options!
 
-        if defined_response = collector.response_for(negotiated_format(collector))
+        if defined_response = collector.response
           if action = options.delete(:action)
             render :action => action
           else
-            defined_response.call(nil)
+            defined_response.call
           end
         else
-          options.merge!(:default_response => collector.default_response)
           (options.delete(:responder) || self.class.responder).call(self, resources, options)
         end
       end
@@ -275,10 +274,11 @@ module ActionController #:nodoc:
     #
     def retrieve_collector_from_mimes(mimes=nil, &block) #:nodoc:
       mimes ||= collect_mimes_from_class_level
-      collector = Collector.new(mimes) { |options| default_render(options || {}) }
+      collector = Collector.new(mimes)
       block.call(collector) if block_given?
+      format = collector.negotiate_format(request)
 
-      if format = negotiated_format(collector)
+      if format
         self.content_type ||= format.to_s
         lookup_context.freeze_formats([format.to_sym])
         collector
@@ -288,17 +288,12 @@ module ActionController #:nodoc:
       end
     end
 
-    def negotiated_format(collector)
-      request.negotiate_mime(collector.order)
-    end
-
     class Collector #:nodoc:
       include AbstractController::Collector
-      attr_accessor :order
-      attr_reader :default_response
+      attr_accessor :order, :format
 
-      def initialize(mimes, &block)
-        @order, @responses, @default_response = [], {}, block
+      def initialize(mimes)
+        @order, @responses = [], {}
         mimes.each { |mime| send(mime) }
       end
 
@@ -317,8 +312,12 @@ module ActionController #:nodoc:
         @responses[mime_type] ||= block
       end
 
-      def response_for(mime)
-        @responses[mime] || @responses[Mime::ALL]
+      def response
+        @responses[format] || @responses[Mime::ALL]
+      end
+
+      def negotiate_format(request)
+        @format = request.negotiate_mime(order)
       end
     end
   end
diff --git a/actionpack/lib/action_controller/metal/responder.rb b/actionpack/lib/action_controller/metal/responder.rb
index 9500a349cb..4ad64bff20 100644
--- a/actionpack/lib/action_controller/metal/responder.rb
+++ b/actionpack/lib/action_controller/metal/responder.rb
@@ -129,7 +129,6 @@ module ActionController #:nodoc:
       @resources = resources
       @options = options
       @action = options.delete(:action)
-      @default_response = options.delete(:default_response)
     end
 
     delegate :head, :render, :redirect_to,   :to => :controller
@@ -226,7 +225,7 @@ module ActionController #:nodoc:
     # controller.
     #
     def default_render
-      @default_response.call(options)
+      controller.default_render(options)
     end
 
     # Display is just a shortcut to render a resource with the current format.
-- 
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