/* This Source Code Form is subject to the terms of the Mozilla Public
                         * License, v. 2.0. If a copy of the MPL was not distributed with this
                         * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
                        
                        /**
                         * Helpers functions to work with URLs
                         *
                         * @class Url
                         * @static
                         */
                        define([], function () {
                          'use strict';
                        
                          /**
                           * Create a query parameter string from a key and value
                           *
                           * @method createQueryParam
                           * @param {String} key
                           * @param {Variant} value
                           * @returns {String}
                           * URL safe serialized query parameter
                           */
                          function createQueryParam(key, value) {
                            return encodeURIComponent(key) + '=' + encodeURIComponent(value);
                          }
                        
                          /**
                           * Create a query string out of an object.
                           * @method objectToQueryString
                           * @param {Object} obj
                           * Object to create query string from
                           * @returns {String}
                           * URL safe query string
                           */
                          function objectToQueryString(obj) {
                            var queryParams = [];
                        
                            for (var key in obj) {
                              queryParams.push(createQueryParam(key, obj[key]));
                            }
                        
                            return '?' + queryParams.join('&');
                          }
                        
                          return {
                            createQueryParam: createQueryParam,
                            objectToQueryString: objectToQueryString
                          };
                        });