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+<!DOCTYPE html>
+<html lang="en">
+<head>
+ <meta charset="utf-8">
+ <title>Example: DataSource.IO</title>
+ <link rel="stylesheet" href="http://fonts.googleapis.com/css?family=PT+Sans:400,700,400italic,700italic">
+ <link rel="stylesheet" href="../../build/cssgrids/cssgrids-min.css">
+ <link rel="stylesheet" href="../assets/css/main.css">
+ <link rel="stylesheet" href="../assets/vendor/prettify/prettify-min.css">
+ <link rel="shortcut icon" type="image/png" href="../assets/favicon.png">
+ <script src="../../build/yui/yui-min.js"></script>
+
+</head>
+<body>
+<!--
+<a href="https://github.com/yui/yui3"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png" alt="Fork me on GitHub"></a>
+-->
+<div id="doc">
+ <div id="hd">
+ <h1><img src="http://yuilibrary.com/img/yui-logo.png"></h1>
+ </div>
+
+
+ <h1>Example: DataSource.IO</h1>
+ <div class="yui3-g">
+ <div class="yui3-u-3-4">
+ <div id="main">
+ <div class="content"><div class="intro">
+ <p>Accessing data from a server is easy with DataSource.IO, which uses the IO Utility to retrieve data over HTTP. A <a href="../dataschema/">DataSchema</a> plugin is used to normalize incoming data into a known format for consistency of usage by other components.</p>
+</div>
+
+<div class="example yui3-skin-sam">
+<style scoped>
+/* custom styles for this example */
+#demo .output {margin-bottom:1em; padding:10px; border:1px solid #D9D9D9;}
+</style>
+
+<form id="demo">
+ <h4>JSON</h4>
+ <h6>Data</h6>
+ <pre>
+{
+ "ResultSet": {
+ "type":"web",
+ "totalResultsAvailable":391000000,
+ "totalResultsReturned":10,
+ "firstResultPosition":1,
+ ...
+ "Result":[
+ {"Title":"Madonna","Summary":"Official site of pop diva
+ Madonna, with news, music, media, and fan club.",
+ "Url":"http:\/\/www.madonna.com\/", ...,
+ "Size":"145030"}},
+ {"Title":"Madonna - MySpace","Summary":"Madonna MySpace
+ page features news, blog, music downloads, desktops,
+ wallpapers, and more.",
+ "Url":"http:\/\/www.myspace.com\/madonna",
+ ..., "Size":"110365"}},
+ {"Title":"YouTube - madonna's Channel",
+ "Summary":"The Official Madonna YouTube Channel.
+ Want to Subscribe? ... http:\/\/www.youtube.com\/Madonna.
+ Sharing Options There are 3 ways to share this channel.",
+ "Url":"http:\/\/youtube.com\/madonna", ...,
+ "Size":"49955"}},
+ ...
+ ]
+ }
+}
+ </pre>
+
+ <h6>Schema</h6>
+ <pre>
+{
+ resultListLocator: "ResultSet.Result",
+ resultFields: ["Title"]
+}
+ </pre>
+
+ <h6>Normalized data</h6>
+ <input type="button" id="demo_json" value="Retrieve data">
+ <div id="demo_output_json" class="output"></div>
+
+ <h4>XML</h4>
+ <h6>Data</h6>
+ <pre>
+<query xmlns:yahoo="http://www.yahooapis.com/v1/base.rng"
+ yahoo:count="10" ...>
+ <diagnostics>
+ ...
+ </diagnostics>
+ <results>
+ <result xmlns="http://www.inktomi.com/">
+ ...
+ <dispurl>
+ <![CDATA[www.<b>madonna.com</b>]]>
+ </dispurl>
+ <size>144947</size>
+ <title>
+ <![CDATA[<b>madonna</b>.com home]]>
+ </title>
+ <url>http://www.madonna.com/</url>
+ </result>
+ <result xmlns="http://www.inktomi.com/">
+ ...
+ <dispurl>
+ <![CDATA[<b>en.wikipedia.org</b>/wiki/<wbr>
+ <b>Madonna</b>_(entertainer)]]>
+ </dispurl>
+ <size>450316</size>
+ <title>
+ <![CDATA[<b>Madonna</b> (Entertainer) - Wikipedia]]>
+ </title>
+ <url>http://en.wikipedia.org/wiki/Madonna_(entertainer)</url>
+ </result>
+ <result xmlns="http://www.inktomi.com/">
+ ...
+ <dispurl>
+ <![CDATA[www.<b>myspace.com</b>/<b>madonna</b>]]>
+ </dispurl>
+ <size>110851</size>
+ <title>
+ <![CDATA[<b>Madonna</b> - MySpace]]>
+ </title>
+ <url>http://www.myspace.com/madonna</url>
+ </result>
+ ...
+ </results>
+</query>
+</pre>
+
+ <h6>Schema</h6>
+ <pre>
+{
+ resultListLocator: "result",
+ resultFields: [{key:"title", locator:"*[local-name() ='title']"}]
+}
+ </pre>
+
+ <h6>Normalized data</h6>
+ <input type="button" id="demo_xml" value="Retrieve data">
+ <div id="demo_output_xml" class="output"></div>
+</form>
+
+<script type="text/javascript">
+YUI().use("dump", "node", "datasource-io", "datasource-jsonschema", "datasource-xmlschema", function (Y) {
+ var myDataSourceJSON = new Y.DataSource.IO({source:"../assets/datasource/ysearch.json"}),
+ myCallbackJSON = {
+ success: function(e){
+ Y.one("#demo_output_json").setHTML(Y.dump(e.response));
+ },
+ failure: function(e){
+ Y.one("#demo_output_json").setHTML("Could not retrieve data: " + e.error.message);
+ }
+ };
+
+ myDataSourceJSON.plug(Y.Plugin.DataSourceJSONSchema, {
+ schema: {
+ resultListLocator: "ResultSet.Result",
+ resultFields: ["Title"]
+ }
+ });
+
+ Y.on("click", function(e){
+ myDataSourceJSON.sendRequest({
+ request:"?output=json",
+ callback:myCallbackJSON
+ });
+ }, "#demo_json");
+
+ var myDataSourceXML = new Y.DataSource.IO({source:"../assets/datasource/ysearch.xml"}),
+ myCallbackXML = {
+ success: function(e){
+ Y.one("#demo_output_xml").setHTML(Y.dump(e.response).replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">"));
+ },
+ failure: function(e){
+ Y.one("#demo_output_xml").setHTML("Could not retrieve data: " + e.error.message);
+ }
+ };
+
+ myDataSourceXML.plug(Y.Plugin.DataSourceXMLSchema, {
+ schema: {
+ resultListLocator: "result",
+ resultFields: [{key:"title", locator:"*[local-name() ='title']"}]
+ }
+ });
+
+ Y.on("click", function(e){
+ myDataSourceXML.sendRequest({
+ request:"?output=xml",
+ callback:myCallbackXML
+ });
+ }, "#demo_xml");
+});
+</script>
+
+</div>
+
+<p>If your server returns JSON data, use a DataSourceJSONSchema plugin to parse the data against a schema that you provide:</p>
+
+<pre class="code prettyprint">YUI().use("datasource-io", "datasource-jsonschema", function(Y) {
+ var myDataSource = new Y.DataSource.IO({source:"ysearch_json_madonna.php"}),
+ myCallback = {
+ success: function(e){
+ alert(e.response);
+ },
+ failure: function(e){
+ alert("Could not retrieve data: " + e.error.message);
+ }
+ };
+
+ myDataSource.plug(Y.Plugin.DataSourceJSONSchema, {
+ schema: {
+ resultListLocator: "ResultSet.Result",
+ resultFields: ["Title"]
+ }
+ });
+
+ // This request string will get appended to the URI
+ myDataSource.sendRequest({
+ request:"?output=json",
+ callback:myCallback
+ });
+});</pre>
+
+
+<p>On the other hand, a DataSourceXMLSchema plugin can be used to parse XML data coming from your server:</p>
+
+<pre class="code prettyprint">YUI().use("datasource-io", "datasource-xmlschema", function(Y) {
+ var myDataSource = new Y.DataSource.IO({source:"ysearch_xml_madonna.php"}),
+ myCallback = {
+ success: function(e){
+ alert(e.response);
+ },
+ failure: function(e){
+ alert("Could not retrieve data: " + e.error.message);
+ }
+ };
+
+ myDataSource.plug(Y.Plugin.DataSourceXMLSchema, {
+ schema: {
+ resultListLocator: "result",
+ resultFields: [{key:"title", locator:"*[local-name() ='title']"}]
+ }
+ });
+
+ myDataSource.sendRequest({
+ request:"?output=xml",
+ callback:myCallback
+ });
+});</pre>
+
+</div>
+ </div>
+ </div>
+
+ <div class="yui3-u-1-4">
+ <div class="sidebar">
+
+
+
+ <div class="sidebox">
+ <div class="hd">
+ <h2 class="no-toc">Examples</h2>
+ </div>
+
+ <div class="bd">
+ <ul class="examples">
+
+
+ <li data-description="The Local DataSource manages retrieval of in-page data, from JavaScript arrays and objects to DOM elements.">
+ <a href="datasource-local.html">DataSource.Local</a>
+ </li>
+
+
+
+ <li data-description="The Get DataSource, which manages retrieval of data from remote sources via the Get Utility, can be useful for accessing data from cross-domain servers without the need for a proxy.">
+ <a href="datasource-get.html">DataSource.Get</a>
+ </li>
+
+
+
+ <li data-description="The IO DataSource manages retrieval of data from remote sources, via the IO Utility.">
+ <a href="datasource-io.html">DataSource.IO</a>
+ </li>
+
+
+
+ <li data-description="The Function DataSource, which manages retrieval of data from a JavaScript function, provides a highly customizeable mechanism for implementer-defined data retrieval algorithms">
+ <a href="datasource-function.html">DataSource.Function</a>
+ </li>
+
+
+
+ <li data-description="Use the DataSourceCache plugin to enable caching and reduce server calls to remote sources.">
+ <a href="datasource-caching.html">DataSource with Caching</a>
+ </li>
+
+
+
+ <li data-description="The DataSourceCache plugin supports offline caching so that cached data persists across browser sessions.">
+ <a href="datasource-offlinecache.html">DataSource with Offline Cache</a>
+ </li>
+
+
+
+ <li data-description="Use the Pollable extension to enable polling in your DataSource.">
+ <a href="datasource-polling.html">DataSource with Polling</a>
+ </li>
+
+
+
+
+ </ul>
+ </div>
+ </div>
+
+
+
+ <div class="sidebox">
+ <div class="hd">
+ <h2 class="no-toc">Examples That Use This Component</h2>
+ </div>
+
+ <div class="bd">
+ <ul class="examples">
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ <li data-description="How to provide autocomplete suggestions using a DataSource instance.">
+ <a href="../autocomplete/ac-datasource.html">Remote Data via DataSource</a>
+ </li>
+
+
+ </ul>
+ </div>
+ </div>
+
+ </div>
+ </div>
+ </div>
+</div>
+
+<script src="../assets/vendor/prettify/prettify-min.js"></script>
+<script>prettyPrint();</script>
+
+<script>
+YUI.Env.Tests = {
+ examples: [],
+ project: '../assets',
+ assets: '../assets/datasource',
+ name: 'datasource-io',
+ title: 'DataSource.IO',
+ newWindow: '',
+ auto: false
+};
+YUI.Env.Tests.examples.push('datasource-local');
+YUI.Env.Tests.examples.push('datasource-get');
+YUI.Env.Tests.examples.push('datasource-io');
+YUI.Env.Tests.examples.push('datasource-function');
+YUI.Env.Tests.examples.push('datasource-caching');
+YUI.Env.Tests.examples.push('datasource-offlinecache');
+YUI.Env.Tests.examples.push('datasource-polling');
+YUI.Env.Tests.examples.push('ac-datasource');
+
+</script>
+<script src="../assets/yui/test-runner.js"></script>
+
+
+
+</body>
+</html>