rails--rails/actionpack/lib/action_controller/deprecated/base.rb

module ActionController
  class Base
    class << self
      def deprecated_config_accessor(option, message = nil)
        deprecated_config_reader(option, message)
        deprecated_config_writer(option, message)
      end

      def deprecated_config_reader(option, message = nil)
        message ||= "Reading #{option} directly from ActionController::Base is deprecated. " \
                    "Please read it from config.#{option}"

        self.class_eval <<-RUBY, __FILE__, __LINE__ + 1
          def #{option}
            ActiveSupport::Deprecation.warn #{message.inspect}, caller
            config.#{option}
          end
        RUBY
      end

      def deprecated_config_writer(option, message = nil)
        message ||= "Setting #{option} directly on ActionController::Base is deprecated. " \
                    "Please set it on config.action_controller.#{option}"

        self.class_eval <<-RUBY, __FILE__, __LINE__ + 1
          def #{option}=(val)
            ActiveSupport::Deprecation.warn #{message.inspect}, caller
            config.#{option} = val
          end
        RUBY
      end

      def consider_all_requests_local
        ActiveSupport::Deprecation.warn "ActionController::Base.consider_all_requests_local is deprecated, " <<
          "use Rails.application.config.consider_all_requests_local instead", caller
        Rails.application.config.consider_all_requests_local
      end

      def consider_all_requests_local=(value)
        ActiveSupport::Deprecation.warn "ActionController::Base.consider_all_requests_local= is deprecated. " <<
          "Please configure it on your application with config.consider_all_requests_local=", caller
        Rails.application.config.consider_all_requests_local = value
      end

      def allow_concurrency
        ActiveSupport::Deprecation.warn "ActionController::Base.allow_concurrency is deprecated, " <<
          "use Rails.application.config.allow_concurrency instead", caller
        Rails.application.config.allow_concurrency
      end

      def allow_concurrency=(value)
        ActiveSupport::Deprecation.warn "ActionController::Base.allow_concurrency= is deprecated. " <<
          "Please configure it on your application with config.allow_concurrency=", caller
        Rails.application.config.allow_concurrency = value
      end

      def ip_spoofing_check=(value)
        ActiveSupport::Deprecation.warn "ActionController::Base.ip_spoofing_check= is deprecated. " <<
          "Please configure it on your application with config.action_dispatch.ip_spoofing_check=", caller
        Rails.application.config.action_disaptch.ip_spoofing_check = value
      end

      def ip_spoofing_check
        ActiveSupport::Deprecation.warn "ActionController::Base.ip_spoofing_check is deprecated. " <<
          "Configuring ip_spoofing_check on the application configures a middleware.", caller
        Rails.application.config.action_disaptch.ip_spoofing_check
      end

      def trusted_proxies=(value)
        ActiveSupport::Deprecation.warn "ActionController::Base.trusted_proxies= is deprecated. " <<
          "Please configure it on your application with config.action_dispatch.trusted_proxies=", caller
        Rails.application.config.action_dispatch.ip_spoofing_check = value
      end

      def trusted_proxies
        ActiveSupport::Deprecation.warn "ActionController::Base.trusted_proxies is deprecated. " <<
          "Configuring trusted_proxies on the application configures a middleware.", caller
        Rails.application.config.action_dispatch.ip_spoofing_check = value
      end

      def session=(value)
        ActiveSupport::Deprecation.warn "ActionController::Base.session= is deprecated. " <<
          "Please configure it on your application with config.action_dispatch.session=", caller
        Rails.application.config.action_dispatch.session = value.delete(:disabled) ? nil : value
      end

      # Controls the resource action separator
      def resource_action_separator
        @resource_action_separator ||= "/"
      end

      def resource_action_separator=(val)
        ActiveSupport::Deprecation.warn "ActionController::Base.resource_action_separator is deprecated and only " \
                                        "works with the deprecated router DSL."
        @resource_action_separator = val
      end

      def use_accept_header
        ActiveSupport::Deprecation.warn "ActionController::Base.use_accept_header doesn't do anything anymore. " \
                                        "The accept header is always taken into account."
      end

      def use_accept_header=(val)
        use_accept_header
      end
    end

    deprecated_config_writer :session_store
    deprecated_config_writer :session_options
    deprecated_config_accessor :relative_url_root, "relative_url_root is ineffective. Please stop using it"
    deprecated_config_accessor :assets_dir
    deprecated_config_accessor :javascripts_dir
    deprecated_config_accessor :stylesheets_dir

    delegate :consider_all_requests_local, :consider_all_requests_local=,
             :allow_concurrency, :allow_concurrency=, :to => :"self.class"
  end
end