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|
module Rails
class Application
extend Initializable
class << self
def config
@config ||= Configuration.new
end
# TODO: change the plugin loader to use config
alias configuration config
def config=(config)
@config = config
end
def plugin_loader
@plugin_loader ||= config.plugin_loader.new(self)
end
def routes
ActionController::Routing::Routes
end
def middleware
config.middleware
end
def call(env)
@app ||= middleware.build(routes)
@app.call(env)
end
def new
initializers.run
self
end
end
initializer :initialize_rails do
Rails.initializers.run
end
# Set the <tt>$LOAD_PATH</tt> based on the value of
# Configuration#load_paths. Duplicates are removed.
initializer :set_load_path do
config.paths.add_to_load_path
$LOAD_PATH.uniq!
end
# Bail if boot.rb is outdated
initializer :freak_out_if_boot_rb_is_outdated do
unless defined?(Rails::BOOTSTRAP_VERSION)
abort %{Your config/boot.rb is outdated: Run "rake rails:update".}
end
end
# Requires all frameworks specified by the Configuration#frameworks
# list. By default, all frameworks (Active Record, Active Support,
# Action Pack, Action Mailer, and Active Resource) are loaded.
initializer :require_frameworks do
begin
require 'active_support'
require 'active_support/core_ext/kernel/reporting'
require 'active_support/core_ext/logger'
# TODO: This is here to make Sam Ruby's tests pass. Needs discussion.
require 'active_support/core_ext/numeric/bytes'
config.frameworks.each { |framework| require(framework.to_s) }
rescue LoadError => e
# Re-raise as RuntimeError because Mongrel would swallow LoadError.
raise e.to_s
end
end
# Set the paths from which Rails will automatically load source files, and
# the load_once paths.
initializer :set_autoload_paths do
require 'active_support/dependencies'
ActiveSupport::Dependencies.load_paths = config.load_paths.uniq
ActiveSupport::Dependencies.load_once_paths = config.load_once_paths.uniq
extra = ActiveSupport::Dependencies.load_once_paths - ActiveSupport::Dependencies.load_paths
unless extra.empty?
abort <<-end_error
load_once_paths must be a subset of the load_paths.
Extra items in load_once_paths: #{extra * ','}
end_error
end
# Freeze the arrays so future modifications will fail rather than do nothing mysteriously
config.load_once_paths.freeze
end
# Adds all load paths from plugins to the global set of load paths, so that
# code from plugins can be required (explicitly or automatically via ActiveSupport::Dependencies).
initializer :add_plugin_load_paths do
require 'active_support/dependencies'
plugin_loader.add_plugin_load_paths
end
# Create tmp directories
initializer :ensure_tmp_directories_exist do
%w(cache pids sessions sockets).each do |dir_to_make|
FileUtils.mkdir_p(File.join(config.root_path, 'tmp', dir_to_make))
end
end
# Loads the environment specified by Configuration#environment_path, which
# is typically one of development, test, or production.
initializer :load_environment do
silence_warnings do
next if @environment_loaded
next unless File.file?(config.environment_path)
@environment_loaded = true
constants = self.class.constants
eval(IO.read(configuration.environment_path), binding, configuration.environment_path)
(self.class.constants - constants).each do |const|
Object.const_set(const, self.class.const_get(const))
end
end
end
initializer :add_gem_load_paths do
require 'rails/gem_dependency'
Rails::GemDependency.add_frozen_gem_path
unless config.gems.empty?
require "rubygems"
config.gems.each { |gem| gem.add_load_paths }
end
end
# Preload all frameworks specified by the Configuration#frameworks.
# Used by Passenger to ensure everything's loaded before forking and
# to avoid autoload race conditions in JRuby.
initializer :preload_frameworks do
if config.preload_frameworks
config.frameworks.each do |framework|
# String#classify and #constantize aren't available yet.
toplevel = Object.const_get(framework.to_s.gsub(/(?:^|_)(.)/) { $1.upcase })
toplevel.load_all! if toplevel.respond_to?(:load_all!)
end
end
end
end
end
|
