From 4d594cffcfc93b37fad4e423ec8593299e50133c Mon Sep 17 00:00:00 2001
From: Rick Olson <technoweenie@gmail.com>
Date: Tue, 8 Apr 2008 05:05:54 +0000
Subject: Automatically parse posted JSON content for Mime::JSON requests. 
 [rick]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@9242 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 actionpack/lib/action_controller/base.rb    |  5 +++--
 actionpack/lib/action_controller/request.rb | 15 +++++++++++----
 2 files changed, 14 insertions(+), 6 deletions(-)

(limited to 'actionpack/lib/action_controller')

diff --git a/actionpack/lib/action_controller/base.rb b/actionpack/lib/action_controller/base.rb
index d7e4116581..7c838ba769 100755
--- a/actionpack/lib/action_controller/base.rb
+++ b/actionpack/lib/action_controller/base.rb
@@ -316,9 +316,10 @@ module ActionController #:nodoc:
     # A YAML parser is also available and can be turned on with:
     #
     #   ActionController::Base.param_parsers[Mime::YAML] = :yaml
-    @@param_parsers = { Mime::MULTIPART_FORM => :multipart_form,
+    @@param_parsers = { Mime::MULTIPART_FORM   => :multipart_form,
                         Mime::URL_ENCODED_FORM => :url_encoded_form,
-                        Mime::XML => :xml_simple }
+                        Mime::XML              => :xml_simple,
+                        Mime::JSON             => :json }
     cattr_accessor :param_parsers
 
     # Controls the default charset for all renders.
diff --git a/actionpack/lib/action_controller/request.rb b/actionpack/lib/action_controller/request.rb
index 745161def8..823271d13f 100755
--- a/actionpack/lib/action_controller/request.rb
+++ b/actionpack/lib/action_controller/request.rb
@@ -402,6 +402,14 @@ EOM
             body.blank? ? {} : Hash.from_xml(body).with_indifferent_access
           when :yaml
             YAML.load(body)
+          when :json
+            if body.blank?
+              {}
+            else
+              data = ActiveSupport::JSON.decode(body)
+              data = {:_json => data} unless data.is_a?(Hash)
+              data.with_indifferent_access
+            end
           else
             {}
         end
@@ -507,7 +515,6 @@ EOM
           end
         end
 
-
         MULTIPART_BOUNDARY = %r|\Amultipart/form-data.*boundary=\"?([^\";,]+)\"?|n
 
         EOL = "\015\012"
@@ -604,12 +611,12 @@ EOM
           end
           raise EOFError, "bad boundary end of body part" unless boundary_end=~/--/
 
-	  begin
+          begin
             body.rewind if body.respond_to?(:rewind)
-	  rescue Errno::ESPIPE
+          rescue Errno::ESPIPE
             # Handles exceptions raised by input streams that cannot be rewound
             # such as when using plain CGI under Apache
-	  end
+          end
 
           params
         end
-- 
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