# File lib/chef_zero/endpoints/data_bags_endpoint.rb, line 8
      def post(request)
        contents = request.body
        json = FFI_Yajl::Parser.parse(contents, :create_additions => false)
        name = identity_keys.map { |k| json[k] }.select { |v| v }.first
        if name.nil?
          error(400, "Must specify #{identity_keys.map { |k| k.inspect }.join(' or ')} in JSON")
        elsif exists_data_dir?(request, request.rest_path[0..1] + ['data', name])
          error(409, "Object already exists")
        else
          create_data_dir(request, request.rest_path[0..1] + ['data'], name, :recursive)
          json_response(201, {"uri" => "#{build_uri(request.base_uri, request.rest_path + [name])}"})
        end
      end