Irrelevant?

gistfile1.rb

module ActiveRecord
  class Base

    # FROM http://www.xcombinator.com/2008/08/11/activerecord-from_xml-and-from_json-part-2/
    def self.from_hash( hash )
      h = hash.dup
      h.each do |key,value|
        h[key].map! { |e| reflect_on_association(key.to_sym ).klass.from_hash e } if value.is_a?(Array)
        h[key] = reflect_on_association(key.to_sym).klass.from_hash(value) if value.is_a?(Hash)
      end
      new h
    end

    def self.from_json( json )
      from_hash ActiveSupport::JSON.safe_json_decode(json)
    end

    # The xml has a surrounding class tag (e.g. ship-to),
    # but the hash has no counterpart (e.g. 'ship_to' => {} )
    def self.from_xml( xml )
      from_hash begin
        Hash.from_xml(xml)[to_s.demodulize.underscore]
      rescue ; {} end
    end

  end # class Base
end # module ActiveRecord