Class: Rack::Locale

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/contrib/locale.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Locale

Returns a new instance of Locale.



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# File 'lib/rack/contrib/locale.rb', line 5

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack/contrib/locale.rb', line 9

def call(env)
  old_locale = I18n.locale
  locale = nil

  # http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.4
  if lang = env["HTTP_ACCEPT_LANGUAGE"]
    lang = lang.split(",").map { |l|
      l += ';q=1.0' unless l =~ /;q=\d+\.\d+$/
      l.split(';q=')
    }.first
    locale = lang.first.split("-").first
  else
    locale = I18n.default_locale
  end

  locale = env['rack.locale'] = I18n.locale = locale.to_s
  status, headers, body = @app.call(env)
  headers['Content-Language'] = locale
  I18n.locale = old_locale
  [status, headers, body]
end