From 9ce77aa4f0453c21d79c4bf1729f452e181d35be Mon Sep 17 00:00:00 2001
From: Brian Turnbull <github@brianturnbull.com>
Date: Tue, 17 Feb 2009 22:29:10 -0500
Subject: [PATCH] Added middleware example

---
 config/environment.rb                  |  8 +++++++-
 lib/middleware/django_middleware.rb    | 14 ++++++++++++++
 lib/middleware/no_django_middleware.rb | 14 ++++++++++++++
 3 files changed, 35 insertions(+), 1 deletion(-)
 create mode 100644 lib/middleware/django_middleware.rb
 create mode 100644 lib/middleware/no_django_middleware.rb

diff --git a/config/environment.rb b/config/environment.rb
index 9f2570d..ba289e6 100644
--- a/config/environment.rb
+++ b/config/environment.rb
@@ -34,11 +34,17 @@
   # config.plugins = [ :exception_notification, :ssl_requirement, :all ]
 
   # Add additional load paths for your own custom dirs
-  # config.load_paths += %W( #{RAILS_ROOT}/extras )
+  # config.load_paths += %W( #{RAILS_ROOT}/lib/middleware )
 
   # Force all environments to use the same logger level
   # (by default production uses :info, the others :debug)
   # config.log_level = :debug
+  
+  # Rack Middleware
+  require "#{RAILS_ROOT}/lib/middleware/django_middleware"
+  require "#{RAILS_ROOT}/lib/middleware/no_django_middleware"
+  config.middleware.use NoDjangoMiddleware
+  config.middleware.use DjangoMiddleware
 
   # Make Time.zone default to the specified zone, and make Active Record store time values
   # in the database in UTC, and return them converted to the specified local zone.
diff --git a/lib/middleware/django_middleware.rb b/lib/middleware/django_middleware.rb
new file mode 100644
index 0000000..07a0044
--- /dev/null
+++ b/lib/middleware/django_middleware.rb
@@ -0,0 +1,14 @@
+class DjangoMiddleware
+  def initialize(app)
+    @app = app
+  end
+
+  def call(env)
+    status, headers, response = @app.call(env)
+    new_response = []
+    response.each do |part|
+      new_response << part.gsub(/Rails/, 'Django')
+    end
+    [status, headers, new_response]
+  end
+end
diff --git a/lib/middleware/no_django_middleware.rb b/lib/middleware/no_django_middleware.rb
new file mode 100644
index 0000000..3a29b9a
--- /dev/null
+++ b/lib/middleware/no_django_middleware.rb
@@ -0,0 +1,14 @@
+class NoDjangoMiddleware
+  def initialize(app)
+    @app = app
+  end
+
+  def call(env)
+    status, headers, response = @app.call(env)
+    new_response = []
+    response.each do |part|
+      new_response << part.gsub(/Django/, 'Rails')
+    end
+    [status, headers, new_response]
+  end
+end