experteer/blobsterix

module Blobsterix
  module Jsonizer
    def json_var(*var_names)
      @json_vars = (@json_vars||[])+var_names.flatten
    end

    def json_vars
      @json_vars||= []
    end

    module Methods
      def render_json(obj=nil)
        Http.OK (obj||self).to_json, "json"
      end

      def render_xml(obj=nil)
        obj = Nokogiri::XML::Builder.new do |xml|
          yield xml
        end if block_given?
        Http.OK (obj||self).to_xml, "xml"
      end

      def to_json
        stuff = Hash.new
        self.class.json_vars.each{|var_name|
          stuff[var_name.to_sym]=send(var_name) if respond_to?(var_name)
        }
        stuff.to_json
      end
      
      def to_xml()
        xml = Nokogiri::XML::Builder.new do |xml|
        xml.BlobsterixStatus() {
          self.class.json_vars.each{|var_name|
            var = send(var_name)
            var = var.to_xml if var.respond_to?(:to_xml)
            xml.send(var_name, var) if respond_to?(var_name)
          }
        }
        end
        xml.to_xml
      end
    end
  end
end