Merge branch 'master' of git://github.com/rails/rails

1 files changed, 102 insertions, 0 deletions

diff --git a/actionpack/lib/action_controller/rails.rb b/actionpack/lib/action_controller/rails.rb
new file mode 100644
index 0000000000..36a52b3149
--- /dev/null
+++ b/actionpack/lib/action_controller/rails.rb
@@ -0,0 +1,102 @@
+module ActionController
+  class Plugin < Rails::Plugin
+    plugin_name :action_controller
+
+    initializer "action_controller.set_configs" do |app|
+      app.config.action_controller.each do |k,v|
+        ActionController::Base.send "#{k}=", v
+      end
+    end
+
+    # TODO: ActionController::Base.logger should delegate to its own config.logger
+    initializer "action_controller.logger" do
+      ActionController::Base.logger ||= Rails.logger
+    end
+
+    # Routing must be initialized after plugins to allow the former to extend the routes
+    # ---
+    # If Action Controller is not one of the loaded frameworks (Configuration#frameworks)
+    # this does nothing. Otherwise, it loads the routing definitions and sets up
+    # loading module used to lazily load controllers (Configuration#controller_paths).
+    initializer "action_controller.initialize_routing" do |app|
+      app.route_configuration_files << app.config.routes_configuration_file
+      app.route_configuration_files << app.config.builtin_routes_configuration_file
+      app.reload_routes!
+    end
+
+    # Include middleware to serve up static assets
+    initializer "action_controller.initialize_static_server" do |app|
+      if app.config.serve_static_assets
+        app.config.middleware.use(ActionDispatch::Static, Rails.public_path)
+      end
+    end
+
+    initializer "action_controller.initialize_middleware_stack" do |app|
+      middleware = app.config.middleware
+      middleware.use(::Rack::Lock, :if => lambda { ActionController::Base.allow_concurrency })
+      middleware.use(::Rack::Runtime)
+      middleware.use(ActionDispatch::ShowExceptions, lambda { ActionController::Base.consider_all_requests_local })
+      middleware.use(ActionDispatch::Callbacks, lambda { ActionController::Dispatcher.prepare_each_request })
+      middleware.use(lambda { ActionController::Base.session_store }, lambda { ActionController::Base.session_options })
+      middleware.use(ActionDispatch::ParamsParser)
+      middleware.use(::Rack::MethodOverride)
+      middleware.use(::Rack::Head)
+      middleware.use(ActionDispatch::StringCoercion)
+    end
+
+    initializer "action_controller.initialize_framework_caches" do
+      ActionController::Base.cache_store ||= RAILS_CACHE
+    end
+
+    # Sets +ActionController::Base#view_paths+ and +ActionMailer::Base#template_root+
+    # (but only for those frameworks that are to be loaded). If the framework's
+    # paths have already been set, it is not changed, otherwise it is
+    # set to use Configuration#view_path.
+    initializer "action_controller.initialize_framework_views" do |app|
+      # TODO: this should be combined with the logic for default config.action_controller.view_paths
+      view_path = ActionView::PathSet.type_cast(app.config.view_path, app.config.cache_classes)
+      ActionController::Base.view_paths = view_path if ActionController::Base.view_paths.blank?
+    end
+
+    initializer "action_controller.initialize_metal" do |app|
+      Rails::Rack::Metal.requested_metals = app.config.metals
+
+      app.config.middleware.insert_before(:"ActionDispatch::ParamsParser",
+        Rails::Rack::Metal, :if => Rails::Rack::Metal.metals.any?)
+    end
+
+    # # Prepare dispatcher callbacks and run 'prepare' callbacks
+    initializer "action_controller.prepare_dispatcher" do |app|
+      # TODO: This used to say unless defined?(Dispatcher). Find out why and fix.
+      require 'rails/dispatcher'
+
+      Dispatcher.define_dispatcher_callbacks(app.config.cache_classes)
+
+      unless app.config.cache_classes
+        # Setup dev mode route reloading
+        routes_last_modified = app.routes_changed_at
+        reload_routes = lambda do
+          unless app.routes_changed_at == routes_last_modified
+            routes_last_modified = app.routes_changed_at
+            app.reload_routes!
+          end
+        end
+        ActionDispatch::Callbacks.before_dispatch { |callbacks| reload_routes.call }
+      end
+    end
+
+    initializer "action_controller.notifications" do |app|
+      require 'active_support/notifications'
+
+      ActiveSupport::Notifications.subscribe(/(read|write|cache|expire|exist)_(fragment|page)\??/) do |*args|
+        event = ActiveSupport::Notifications::Event.new(*args)
+
+        if logger = ActionController::Base.logger
+          human_name = event.name.to_s.humanize
+          logger.info("#{human_name} (%.1fms)" % event.duration)
+        end
+      end
+    end
+
+  end
+end
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