2007-09-25 21:24:07 -04:00
|
|
|
module ActionController
|
|
|
|
# Dispatches requests to the appropriate controller and takes care of
|
|
|
|
# reloading the app after each request when Dependencies.load? is true.
|
|
|
|
class Dispatcher
|
|
|
|
class << self
|
2008-04-17 18:49:03 -04:00
|
|
|
def define_dispatcher_callbacks(cache_classes)
|
|
|
|
unless cache_classes
|
2009-05-03 10:41:40 -04:00
|
|
|
# Development mode callbacks
|
|
|
|
before_dispatch :reload_application
|
|
|
|
after_dispatch :cleanup_application
|
2009-01-04 16:39:16 -05:00
|
|
|
|
|
|
|
ActionView::Helpers::AssetTagHelper.cache_asset_timestamps = false
|
2008-04-17 18:49:03 -04:00
|
|
|
end
|
|
|
|
|
|
|
|
if defined?(ActiveRecord)
|
|
|
|
to_prepare(:activerecord_instantiate_observers) { ActiveRecord::Base.instantiate_observers }
|
|
|
|
end
|
|
|
|
|
2008-08-18 23:38:58 -04:00
|
|
|
after_dispatch :flush_logger if Base.logger && Base.logger.respond_to?(:flush)
|
2008-10-29 05:51:56 -04:00
|
|
|
|
|
|
|
to_prepare do
|
|
|
|
I18n.reload!
|
|
|
|
end
|
2008-04-17 18:49:03 -04:00
|
|
|
end
|
|
|
|
|
2007-09-25 21:24:07 -04:00
|
|
|
# Add a preparation callback. Preparation callbacks are run before every
|
|
|
|
# request in development mode, and before the first request in production
|
|
|
|
# mode.
|
2008-10-20 14:21:59 -04:00
|
|
|
#
|
2007-09-25 21:24:07 -04:00
|
|
|
# An optional identifier may be supplied for the callback. If provided,
|
|
|
|
# to_prepare may be called again with the same identifier to replace the
|
|
|
|
# existing callback. Passing an identifier is a suggested practice if the
|
|
|
|
# code adding a preparation block may be reloaded.
|
|
|
|
def to_prepare(identifier = nil, &block)
|
2008-03-18 13:56:05 -04:00
|
|
|
@prepare_dispatch_callbacks ||= ActiveSupport::Callbacks::CallbackChain.new
|
2008-01-18 21:44:45 -05:00
|
|
|
callback = ActiveSupport::Callbacks::Callback.new(:prepare_dispatch, block, :identifier => identifier)
|
2008-08-21 01:51:06 -04:00
|
|
|
@prepare_dispatch_callbacks.replace_or_append!(callback)
|
2007-09-25 21:24:07 -04:00
|
|
|
end
|
2009-02-20 13:04:57 -05:00
|
|
|
|
|
|
|
def run_prepare_callbacks
|
2009-04-14 17:18:24 -04:00
|
|
|
new.send :run_callbacks, :prepare_dispatch
|
2009-02-20 13:04:57 -05:00
|
|
|
end
|
2007-09-25 21:24:07 -04:00
|
|
|
end
|
|
|
|
|
2009-05-03 10:41:40 -04:00
|
|
|
cattr_accessor :router
|
|
|
|
self.router = Routing::Routes
|
|
|
|
|
2008-12-01 14:48:47 -05:00
|
|
|
cattr_accessor :middleware
|
2009-01-27 19:54:01 -05:00
|
|
|
self.middleware = ActionDispatch::MiddlewareStack.new do |middleware|
|
|
|
|
middlewares = File.join(File.dirname(__FILE__), "middlewares.rb")
|
2008-12-22 13:04:32 -05:00
|
|
|
middleware.instance_eval(File.read(middlewares))
|
2008-12-15 17:33:31 -05:00
|
|
|
end
|
2007-09-25 21:24:07 -04:00
|
|
|
|
2008-01-18 21:44:45 -05:00
|
|
|
include ActiveSupport::Callbacks
|
|
|
|
define_callbacks :prepare_dispatch, :before_dispatch, :after_dispatch
|
2007-09-25 21:24:07 -04:00
|
|
|
|
2009-04-14 17:18:24 -04:00
|
|
|
def initialize
|
2009-05-03 10:41:40 -04:00
|
|
|
@app = @@middleware.build(@@router)
|
2009-04-14 17:21:06 -04:00
|
|
|
freeze
|
2007-09-25 21:24:07 -04:00
|
|
|
end
|
|
|
|
|
2009-04-14 17:21:06 -04:00
|
|
|
def call(env)
|
2009-05-03 00:02:22 -04:00
|
|
|
run_callbacks :before_dispatch
|
2009-05-03 10:41:40 -04:00
|
|
|
@app.call(env)
|
2009-05-03 00:02:22 -04:00
|
|
|
ensure
|
|
|
|
run_callbacks :after_dispatch, :enumerator => :reverse_each
|
2007-09-25 21:24:07 -04:00
|
|
|
end
|
|
|
|
|
2009-05-03 10:41:40 -04:00
|
|
|
def reload_application
|
|
|
|
# Run prepare callbacks before every request in development mode
|
|
|
|
run_callbacks :prepare_dispatch
|
|
|
|
|
|
|
|
@@router.reload
|
|
|
|
end
|
|
|
|
|
|
|
|
def cleanup_application
|
|
|
|
# Cleanup the application before processing the current request.
|
|
|
|
ActiveRecord::Base.reset_subclasses if defined?(ActiveRecord)
|
|
|
|
ActiveSupport::Dependencies.clear
|
|
|
|
ActiveRecord::Base.clear_reloadable_connections! if defined?(ActiveRecord)
|
|
|
|
end
|
|
|
|
|
2007-09-25 21:24:07 -04:00
|
|
|
def flush_logger
|
2008-08-18 23:38:58 -04:00
|
|
|
Base.logger.flush
|
2007-09-25 21:24:07 -04:00
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|