Module: Rack::Adapter

Defined in:
lib/thin.rb,
lib/rack/adapter/rails.rb,
lib/rack/adapter/loader.rb

Defined Under Namespace

Classes: Rails

Class Method Summary collapse

Class Method Details

.for(name, options = {}) ⇒ Object

Loads an adapter identified by name using options hash.



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# File 'lib/rack/adapter/loader.rb', line 40

def self.for(name, options={})
  ENV['RACK_ENV'] = options[:environment]
  
  case name.to_sym
  when :rack
    return load(::File.join(options[:chdir], "config.ru"))
    
  when :rails
    return Rails.new(options.merge(:root => options[:chdir]))
  
  when :ramaze
    require "#{options[:chdir]}/start"
    
    Ramaze.trait[:essentials].delete Ramaze::Adapter
    Ramaze.start :force => true
    
    return Ramaze::Adapter::Base
    
  when :merb
    require 'merb-core'
    
    Merb::Config.setup(:merb_root   => options[:chdir],
                       :environment => options[:environment])
    Merb.environment = Merb::Config[:environment]
    Merb.root = Merb::Config[:merb_root]
    Merb::BootLoader.run
    
    return Merb::Rack::Application.new
    
  when :halcyon
    require 'halcyon'
    
    $:.unshift(Halcyon.root/'lib')
    
    return Halcyon::Runner.new
    
  when :mack
    ENV["MACK_ENV"] = options[:environment]
    load(::File.join(options[:chdir], "Rakefile"))
    require 'mack'
    return Mack::Utils::Server.build_app
    
  when :file
    return Rack::File.new(options[:chdir])
    
  else
    raise AdapterNotFound, "Adapter not found: #{name}"
    
  end
end

.guess(dir) ⇒ Object

Guess which adapter to use based on the directory structure or file content. Returns a symbol representing the name of the adapter to use to load the application under dir/.

Raises:



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# File 'lib/rack/adapter/loader.rb', line 26

def self.guess(dir)
  ADAPTERS.each do |adapter, file|
    return adapter if file && ::File.exist?(::File.join(dir, file))
  end
  raise AdapterNotFound, "No adapter found for #{dir}"
end

.load(config) ⇒ Object

Load a Rack application from a Rack config file (.ru).



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# File 'lib/rack/adapter/loader.rb', line 34

def self.load(config)
  rackup_code = ::File.read(config)
  eval("Rack::Builder.new {( #{rackup_code}\n )}.to_app", TOPLEVEL_BINDING, config)
end