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alexandre_ |
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/*
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Copyright (c) 2004-2006, The Dojo Foundation
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All Rights Reserved.
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Licensed under the Academic Free License version 2.1 or above OR the
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modified BSD license. For more information on Dojo licensing, see:
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http://dojotoolkit.org/community/licensing.shtml
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*/
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alexandre_ |
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alexandre_ |
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dojo.provide("dojo.data.old.format.Json");
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dojo.require("dojo.lang.assert");
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dojo.data.old.format.Json = new function () {
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this.loadDataProviderFromFileContents = function (dataProvider, jsonFileContents) {
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dojo.lang.assertType(dataProvider, dojo.data.old.provider.Base);
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dojo.lang.assertType(jsonFileContents, String);
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var arrayOfJsonData = eval("(" + jsonFileContents + ")");
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this.loadDataProviderFromArrayOfJsonData(dataProvider, arrayOfJsonData);
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};
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this.loadDataProviderFromArrayOfJsonData = function (dataProvider, arrayOfJsonData) {
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dojo.lang.assertType(arrayOfJsonData, Array, {optional:true});
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if (arrayOfJsonData && (arrayOfJsonData.length > 0)) {
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var firstRow = arrayOfJsonData[0];
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dojo.lang.assertType(firstRow, [Array, "pureobject"]);
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if (dojo.lang.isArray(firstRow)) {
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_loadDataProviderFromArrayOfArrays(dataProvider, arrayOfJsonData);
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} else {
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dojo.lang.assertType(firstRow, "pureobject");
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_loadDataProviderFromArrayOfObjects(dataProvider, arrayOfJsonData);
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}
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}
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};
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this.getJsonStringFromResultSet = function (resultSet) {
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dojo.unimplemented("dojo.data.old.format.Json.getJsonStringFromResultSet");
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var jsonString = null;
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return jsonString;
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};
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function _loadDataProviderFromArrayOfArrays(dataProvider, arrayOfJsonData) {
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var arrayOfKeys = arrayOfJsonData[0];
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for (var i = 1; i < arrayOfJsonData.length; ++i) {
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var row = arrayOfJsonData[i];
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var item = dataProvider.getNewItemToLoad();
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for (var j in row) {
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var value = row[j];
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var key = arrayOfKeys[j];
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item.load(key, value);
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}
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}
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}
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function _loadDataProviderFromArrayOfObjects(dataProvider, arrayOfJsonData) {
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for (var i in arrayOfJsonData) {
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var row = arrayOfJsonData[i];
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var item = dataProvider.getNewItemToLoad();
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for (var key in row) {
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var value = row[key];
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if (dojo.lang.isArray(value)) {
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var arrayOfValues = value;
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for (var j in arrayOfValues) {
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value = arrayOfValues[j];
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item.load(key, value);
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}
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} else {
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item.load(key, value);
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}
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}
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}
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}
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}();
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