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Struts example source code file (Json.js)

This example Struts source code file (Json.js) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Struts tags/keywords

array, array, string, string

The Struts Json.js source code

/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/



dojo.provide("dojo.data.old.format.Json");
dojo.require("dojo.lang.assert");
dojo.data.old.format.Json = new function () {
	this.loadDataProviderFromFileContents = function (dataProvider, jsonFileContents) {
		dojo.lang.assertType(dataProvider, dojo.data.old.provider.Base);
		dojo.lang.assertType(jsonFileContents, String);
		var arrayOfJsonData = eval("(" + jsonFileContents + ")");
		this.loadDataProviderFromArrayOfJsonData(dataProvider, arrayOfJsonData);
	};
	this.loadDataProviderFromArrayOfJsonData = function (dataProvider, arrayOfJsonData) {
		dojo.lang.assertType(arrayOfJsonData, Array, {optional:true});
		if (arrayOfJsonData && (arrayOfJsonData.length > 0)) {
			var firstRow = arrayOfJsonData[0];
			dojo.lang.assertType(firstRow, [Array, "pureobject"]);
			if (dojo.lang.isArray(firstRow)) {
				_loadDataProviderFromArrayOfArrays(dataProvider, arrayOfJsonData);
			} else {
				dojo.lang.assertType(firstRow, "pureobject");
				_loadDataProviderFromArrayOfObjects(dataProvider, arrayOfJsonData);
			}
		}
	};
	this.getJsonStringFromResultSet = function (resultSet) {
		dojo.unimplemented("dojo.data.old.format.Json.getJsonStringFromResultSet");
		var jsonString = null;
		return jsonString;
	};
	function _loadDataProviderFromArrayOfArrays(dataProvider, arrayOfJsonData) {
		var arrayOfKeys = arrayOfJsonData[0];
		for (var i = 1; i < arrayOfJsonData.length; ++i) {
			var row = arrayOfJsonData[i];
			var item = dataProvider.getNewItemToLoad();
			for (var j in row) {
				var value = row[j];
				var key = arrayOfKeys[j];
				item.load(key, value);
			}
		}
	}
	function _loadDataProviderFromArrayOfObjects(dataProvider, arrayOfJsonData) {
		for (var i in arrayOfJsonData) {
			var row = arrayOfJsonData[i];
			var item = dataProvider.getNewItemToLoad();
			for (var key in row) {
				var value = row[key];
				if (dojo.lang.isArray(value)) {
					var arrayOfValues = value;
					for (var j in arrayOfValues) {
						value = arrayOfValues[j];
						item.load(key, value);
					}
				} else {
					item.load(key, value);
				}
			}
		}
	}
}();

Other Struts examples (source code examples)

Here is a short list of links related to this Struts Json.js source code file:

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