Added the ability to register methods to handle specific render option keys and render :json

2 files changed, 41 insertions, 0 deletions

diff --git a/actionpack/lib/action_controller/new_base/base.rb b/actionpack/lib/action_controller/new_base/base.rb
index b8674d5099..6e1f92c45d 100644
--- a/actionpack/lib/action_controller/new_base/base.rb
+++ b/actionpack/lib/action_controller/new_base/base.rb
@@ -11,6 +11,8 @@ module ActionController
     include ActionController::UrlFor
     include ActionController::Redirector
     include ActionController::Renderer
+    include ActionController::RenderOptions
+    include ActionController::Renderers::Json
     include ActionController::Layouts
     include ActionController::ConditionalGet
 
diff --git a/actionpack/lib/action_controller/new_base/render_options.rb b/actionpack/lib/action_controller/new_base/render_options.rb
new file mode 100644
index 0000000000..e7ed2bd278
--- /dev/null
+++ b/actionpack/lib/action_controller/new_base/render_options.rb
@@ -0,0 +1,39 @@
+module ActionController
+  module RenderOptions
+    extend ActiveSupport::DependencyModule
+    
+    included do
+      extlib_inheritable_accessor :_renderers
+      self._renderers = []
+    end
+    
+    def render_to_body(options)
+      _renderers.each do |renderer|
+        if options.key?(renderer)
+          _process_options(options)
+          return send("_render_#{renderer}", options[renderer], options)
+        end
+      end
+      super
+    end
+  end
+  
+  module Renderers
+    module Json
+      extend ActiveSupport::DependencyModule
+      
+      depends_on RenderOptions
+      
+      included do
+        _renderers << :json
+      end
+      
+      def _render_json(json, options)
+        json = ActiveSupport::JSON.encode(json) unless json.respond_to?(:to_str)
+        json = "#{options[:callback]}(#{json})" unless options[:callback].blank?
+        response.content_type ||= Mime::JSON
+        self.response_body = json
+      end      
+    end
+  end
+end
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