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Viewing changes to vendor/rails/actionpack/lib/action_controller/headers.rb

  • Committer: Michael Forrest
  • Date: 2010-10-15 16:28:50 UTC
  • Revision ID: michael.forrest@canonical.com-20101015162850-tj2vchanv0kr0dun
refroze gems

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vendor/rails/actionpack/lib/action_controller/headers.rb
 
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require 'active_support/memoizable'
 
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module ActionController
 
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  module Http
 
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    class Headers < ::Hash
 
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      extend ActiveSupport::Memoizable
 
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      def initialize(*args)
 
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         if args.size == 1 && args[0].is_a?(Hash)
 
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           super()
 
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           update(args[0])
 
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         else
 
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           super
 
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         end
 
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       end
 
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      def [](header_name)
 
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        if include?(header_name)
 
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          super
 
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        else
 
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          super(env_name(header_name))
 
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        end
 
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      end
 
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      private
 
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        # Converts a HTTP header name to an environment variable name.
 
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        def env_name(header_name)
 
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          "HTTP_#{header_name.upcase.gsub(/-/, '_')}"
 
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        end
 
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        memoize :env_name
 
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    end
 
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  end
 
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end