From f00e86d7e9c7a4689a49fc085bcb757c5a2c0b03 Mon Sep 17 00:00:00 2001
From: Joshua Peek <josh@joshpeek.com>
Date: Sun, 4 Jan 2009 12:15:15 -0600
Subject: Memoize request accessors on the Rack env so other request objects
 have access to the same cache [#1668 state:resolved]

---
 actionpack/lib/action_controller/base.rb           |  4 ++--
 actionpack/lib/action_controller/request.rb        | 20 ++++++++------------
 actionpack/lib/action_controller/request_parser.rb |  7 ++++---
 actionpack/lib/action_controller/rescue.rb         |  4 ++--
 4 files changed, 16 insertions(+), 19 deletions(-)

(limited to 'actionpack/lib')

diff --git a/actionpack/lib/action_controller/base.rb b/actionpack/lib/action_controller/base.rb
index aa604395a9..1093a9bc04 100644
--- a/actionpack/lib/action_controller/base.rb
+++ b/actionpack/lib/action_controller/base.rb
@@ -384,8 +384,8 @@ module ActionController #:nodoc:
     class << self
       def call(env)
         # HACK: For global rescue to have access to the original request and response
-        request = env["actioncontroller.rescue.request"] ||= Request.new(env)
-        response = env["actioncontroller.rescue.response"] ||= Response.new
+        request = env["action_controller.rescue.request"] ||= Request.new(env)
+        response = env["action_controller.rescue.response"] ||= Response.new
         process(request, response)
       end
 
diff --git a/actionpack/lib/action_controller/request.rb b/actionpack/lib/action_controller/request.rb
index 822955d1db..6ac8c6f4a0 100755
--- a/actionpack/lib/action_controller/request.rb
+++ b/actionpack/lib/action_controller/request.rb
@@ -19,6 +19,7 @@ module ActionController
 
     def initialize(env)
       @env = env
+      @parser = ActionController::RequestParser.new(env)
     end
 
     %w[ AUTH_TYPE GATEWAY_INTERFACE PATH_INFO
@@ -92,16 +93,15 @@ module ActionController
 
     # Returns the content length of the request as an integer.
     def content_length
-      @env['CONTENT_LENGTH'].to_i
+      @env["action_controller.request.content_length"] ||= @env['CONTENT_LENGTH'].to_i
     end
-    memoize :content_length
 
     # The MIME type of the HTTP request, such as Mime::XML.
     #
     # For backward compatibility, the post \format is extracted from the
     # X-Post-Data-Format HTTP header if present.
     def content_type
-      Mime::Type.lookup(parser.content_type_without_parameters)
+      Mime::Type.lookup(@parser.content_type_without_parameters)
     end
     memoize :content_type
 
@@ -389,7 +389,7 @@ EOM
     # Read the request \body. This is useful for web services that need to
     # work with raw requests directly.
     def raw_post
-      parser.raw_post
+      @parser.raw_post
     end
 
     # Returns both GET and POST \parameters in a single hash.
@@ -418,7 +418,7 @@ EOM
     end
 
     def body
-      parser.body
+      @parser.body
     end
 
     def remote_addr
@@ -431,11 +431,11 @@ EOM
     alias referer referrer
 
     def query_parameters
-      @query_parameters ||= parser.query_parameters
+      @parser.query_parameters
     end
 
     def request_parameters
-      @request_parameters ||= parser.request_parameters
+      @parser.request_parameters
     end
 
     def body_stream #:nodoc:
@@ -451,7 +451,7 @@ EOM
     end
 
     def session=(session) #:nodoc:
-      @session = session
+      @env['rack.session'] = session
     end
 
     def reset_session
@@ -474,9 +474,5 @@ EOM
       def named_host?(host)
         !(host.nil? || /\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/.match(host))
       end
-
-      def parser
-        @parser ||= ActionController::RequestParser.new(@env)
-      end
   end
 end
diff --git a/actionpack/lib/action_controller/request_parser.rb b/actionpack/lib/action_controller/request_parser.rb
index 82ee4c84c4..20d53f5d92 100644
--- a/actionpack/lib/action_controller/request_parser.rb
+++ b/actionpack/lib/action_controller/request_parser.rb
@@ -2,14 +2,15 @@ module ActionController
   class RequestParser
     def initialize(env)
       @env = env
+      freeze
     end
 
     def request_parameters
-      @request_parameters ||= parse_formatted_request_parameters
+      @env["action_controller.request_parser.request_parameters"] ||= parse_formatted_request_parameters
     end
 
     def query_parameters
-      @query_parameters ||= self.class.parse_query_parameters(query_string)
+      @env["action_controller.request_parser.query_parameters"] ||= self.class.parse_query_parameters(query_string)
     end
 
     # Returns the query string, accounting for server idiosyncrasies.
@@ -90,7 +91,7 @@ module ActionController
     end
 
     def content_length
-      @content_length ||= @env['CONTENT_LENGTH'].to_i
+      @env["action_controller.request.content_length"] ||= @env['CONTENT_LENGTH'].to_i
     end
 
     # The raw content type string. Use when you need parameters such as
diff --git a/actionpack/lib/action_controller/rescue.rb b/actionpack/lib/action_controller/rescue.rb
index 8824d983b4..4b7d1e32fd 100644
--- a/actionpack/lib/action_controller/rescue.rb
+++ b/actionpack/lib/action_controller/rescue.rb
@@ -60,8 +60,8 @@ module ActionController #:nodoc:
 
     module ClassMethods
       def call_with_exception(env, exception) #:nodoc:
-        request = env["actioncontroller.rescue.request"] ||= Request.new(env)
-        response = env["actioncontroller.rescue.response"] ||= Response.new
+        request = env["action_controller.rescue.request"] ||= Request.new(env)
+        response = env["action_controller.rescue.response"] ||= Response.new
         new.process(request, response, :rescue_action, exception)
       end
     end
-- 
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