/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 */
define([],
       function () {
           var util = {};
           if (Array.isArray) {
               util.isArray = function (object) {
                   return Array.isArray(object);
               };
           } else {
               util.isArray = function (object) {
                   return object instanceof Array;
               };
           }

           util.flattenStatistics = function (data) {
               var attrName, stats, propName, theList;
               for(attrName in data) {
                   if(data.hasOwnProperty(attrName)) {
                       if(attrName == "statistics") {
                           stats = data.statistics;
                           for(propName in stats) {
                               if(stats.hasOwnProperty( propName )) {
                                   data[ propName ] = stats[ propName ];
                               }
                           }
                       } else if(data[ attrName ] instanceof Array) {
                           theList = data[ attrName ];

                           for(var i=0; i < theList.length; i++) {
                               util.flattenStatistics( theList[i] );
                           }
                       }
                   }
               }
           };
           return util;
       });