src/cm/media/js/lib/yui/yui3.0.0/examples/datasource/datasource_get.html
author Yves-Marie Haussonne <ymh.work+github@gmail.com>
Fri, 09 May 2014 18:35:26 +0200
changeset 656 a84519031134
parent 0 40c8f766c9b8
permissions -rw-r--r--
add link to "privacy policy" in the header test
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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	<title>YUI Library Examples: DataSource Utility: DataSource.Get</title>
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    <meta http-equiv="content-type" content="text/html; charset=utf-8">
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    	<link rel="stylesheet" type="text/css" href="../../assets/yui.css" >
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<style>
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    /*Supplemental CSS for the YUI distribution*/
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    #custom-doc { width: 95%; min-width: 950px; }
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    #pagetitle {background-image: url(../../assets/bg_hd.gif);}
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/*    #pagetitle h1 {background-image: url(../../assets/title_h_bg.gif);}*/
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</style>
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<link rel="stylesheet" type="text/css" href="../../assets/dpSyntaxHighlighter.css">
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<link type="text/css" rel="stylesheet" href="../../build/cssfonts/fonts-min.css" />
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<script type="text/javascript" src="../../build/yui/yui-min.js"></script>
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<style type="text/css">
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/* custom styles for this example */
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#demo .output {margin-bottom:1em; padding:10px; border:1px solid #D9D9D9;}
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</style>
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</head>
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<body id="yahoo-com" class=" yui-skin-sam">
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<div id="custom-doc" class="yui-t2">
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<div id="hd">
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	<div id="ygunav">
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		<p>
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            <em>
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                <a href="http://developer.yahoo.com/yui/3/">YUI 3.x Home</a> <i> - </i>	
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            </em>
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		</p>
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		<form action="http://search.yahoo.com/search" id="sitesearchform">
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            <input name="vs" type="hidden" value="developer.yahoo.com">
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            <input name="vs" type="hidden" value="yuiblog.com">
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		    <div id="sitesearch">
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		    	<label for="searchinput">Site Search (YDN &amp; YUIBlog): </label>
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			    <input type="text" id="searchinput" name="p">
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			    <input type="submit" value="Search" id="searchsubmit" class="ygbt">
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		    </div>
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		</form>
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    </div>
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	<div id="ygma"><a href="../../"><img src="../../assets/logo.gif"  border="0" width="200" height="93"></a></div>
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	<div id="pagetitle"><h1>YUI Library Examples: DataSource Utility: DataSource.Get</h1></div>
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</div>
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<div id="bd">
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	<div id="yui-main">
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		<div class="yui-b">
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		  <div class="yui-ge">
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			  <div class="yui-u first example" id="main">
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	<h2>DataSource Utility: DataSource.Get</h2>
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	<div id="example" class="promo">
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	<div class="example-intro">
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	DataSource.Get uses the Get Utility to retrieve data, even cross-domain resources, via a dynamically created script node. A <a href="http://developer.yahoo.com/yui/3/dataschema/">DataSchema</a> plugin is used to normalize incoming data into a known format for consistency of usage by other components. Please note that your data resource must support a callback mechanism, which is a function wrapper around the returned data. The name of the callback function is passed to the resource via a query string parameter defined by the DataSource.Get attribute <code>scriptCallbackParam</code>.
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	</div>	
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	<div class="module example-container ">
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			<div class="hd exampleHd">
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			<p class="newWindowButton yui-skin-sam">
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                <a href="datasource_get_clean.html" target="_blank">View example in new window.</a>
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            </p>
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		</div>		<div id="example-canvas" class="bd">
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	<!--BEGIN SOURCE CODE FOR EXAMPLE =============================== -->
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	<form id="demo">
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    <h4>JSON</h4>
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    <h6>Data</h6>
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    <pre>
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{
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    "query":{
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        "count":"10",
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        "created":"2009-06-04T05:15:06Z",
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        "lang":"en-US",
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        "updated":"2009-06-04T05:15:06Z",
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        "uri":"http://query.yahooapis.com/v1/yql?q=...query%3D%22pizza%22",
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        ...
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        "results":{
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            "result":[
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                {
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                    ...
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                    "dispurl":"www.&lt;b&gt;pizzahut.com&lt;\/b&gt;",
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                    "size":"16217",
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                    "title":"&lt;b&gt;Pizza&lt;\/b&gt; Hut",
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                    "url":"http://www.pizzahut.com/"
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                },
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                {
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                    ...
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                    "dispurl":"www.&lt;b&gt;dominos.com&lt;\/b&gt;",
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                    "size":"29739",
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                    "title":"Domino's &lt;b&gt;Pizza&lt;\/b&gt;",
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                    "url":"http://www.dominos.com/"
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                },
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                {
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                    ...
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                    "dispurl":"&lt;b&gt;mobile.papajohns.com&lt;\/b&gt;",
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                    "size":"2315",
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                    "title":"Papa John's Mobile Web",
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                    "url":"https://mobile.papajohns.com/"
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                },
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                ...
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            ]
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        }
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    }
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}
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    </pre>
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    <h6>Schema</h6>
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    <pre>
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{
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    resultListLocator: "query.results.result",
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    resultFields: ["title"]
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}
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    </pre>
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    <h6>Normalized data</h6>
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    <input type="button" id="demo_json" value="Retrieve data =>">
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    <div id="demo_output_json" class="output"></div>
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</form>
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<script type="text/javascript">
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YUI({base:"../../build/", timeout: 10000}).use("dump", "node", "datasource-get", "datasource-jsonschema", "datasource-xmlschema", function (Y) {
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    var myDataSource = new Y.DataSource.Get({source:"http://query.yahooapis.com/v1/public/yql?format=json&"}),
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        myCallback = {
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            success: function(e){
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                Y.get("#demo_output_json").setContent(Y.dump(e.response).replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;"));
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            },
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            failure: function(e){
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                Y.get("#demo_output_json").setContent("Could not retrieve data: " + e.error.message);
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            }
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        };
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    myDataSource.plug(Y.Plugin.DataSourceJSONSchema, {
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        schema: {
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            resultListLocator: "query.results.result",
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            resultFields: ["title"]
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        }
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    });
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    Y.on("click", function(e){
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        myDataSource.sendRequest("q=select%20*%20from%20search.web%20where%20query%3D%22pizza%22", myCallback);
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    }, "#demo_json");
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});
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</script>
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	<!--END SOURCE CODE FOR EXAMPLE =============================== -->
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		</div>
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	</div>			
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	</div>
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	<p>Use a DataSourceJSONSchema plugin to parse the data against a schema that you provide:</p>
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<div id="syntax1" class="yui-syntax-highlight"><div class="numbers"><pre class="javascript" style="font-family:monospace;"><ol><li class="li1"><div class="de1">YUI<span class="br0">&#40;</span><span class="br0">&#41;</span>.<span class="kw2">use</span><span class="br0">&#40;</span><span class="st0">&quot;datasource-get&quot;</span><span class="sy0">,</span> <span class="st0">&quot;datasource-jsonschema&quot;</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">&#40;</span>Y<span class="br0">&#41;</span> <span class="br0">&#123;</span></div></li><li class="li1"><div class="de1">    <span class="kw2">var</span> myDataSource <span class="sy0">=</span> <span class="kw2">new</span> Y.<span class="me1">DataSource</span>.<span class="me1">Get</span><span class="br0">&#40;</span><span class="br0">&#123;</span></div></li><li class="li1"><div class="de1">        source<span class="sy0">:</span><span class="st0">&quot;http://query.yahooapis.com/v1/public/yql?format=json&amp;&quot;</span><span class="br0">&#125;</span><span class="br0">&#41;</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1">        myCallback <span class="sy0">=</span> <span class="br0">&#123;</span></div></li><li class="li2"><div class="de2">            success<span class="sy0">:</span> <span class="kw2">function</span><span class="br0">&#40;</span>e<span class="br0">&#41;</span><span class="br0">&#123;</span></div></li><li class="li1"><div class="de1">                <span class="kw3">alert</span><span class="br0">&#40;</span>e.<span class="me1">response</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">            <span class="br0">&#125;</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1">            failure<span class="sy0">:</span> <span class="kw2">function</span><span class="br0">&#40;</span>e<span class="br0">&#41;</span><span class="br0">&#123;</span></div></li><li class="li1"><div class="de1">                <span class="kw3">alert</span><span class="br0">&#40;</span><span class="st0">&quot;Could not retrieve data: &quot;</span> <span class="sy0">+</span> e.<span class="me1">error</span>.<span class="me1">message</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2">            <span class="br0">&#125;</span></div></li><li class="li1"><div class="de1">        <span class="br0">&#125;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">&nbsp;</div></li><li class="li1"><div class="de1">    myDataSource.<span class="me1">plug</span><span class="br0">&#40;</span>Y.<span class="me1">Plugin</span>.<span class="me1">DataSourceJSONSchema</span><span class="sy0">,</span> <span class="br0">&#123;</span></div></li><li class="li1"><div class="de1">        schema<span class="sy0">:</span> <span class="br0">&#123;</span></div></li><li class="li2"><div class="de2">            resultListLocator<span class="sy0">:</span> <span class="st0">&quot;query.results.result&quot;</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1">            resultFields<span class="sy0">:</span> <span class="br0">&#91;</span><span class="st0">&quot;title&quot;</span><span class="br0">&#93;</span></div></li><li class="li1"><div class="de1">        <span class="br0">&#125;</span></div></li><li class="li1"><div class="de1">    <span class="br0">&#125;</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">&nbsp;</div></li><li class="li2"><div class="de2">    myDataSource.<span class="me1">sendRequest</span><span class="br0">&#40;</span><span class="st0">&quot;</span></div></li><li class="li1"><div class="de1"><span class="st0">        q=select%20*%20from%20search.web%20where%20query%3D%22pizza%22&quot;</span><span class="sy0">,</span> myCallback<span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">&#125;</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li></ol></pre></div><div class="nonumbers"><pre class="javascript" style="font-family:monospace;">YUI<span class="br0">&#40;</span><span class="br0">&#41;</span>.<span class="kw2">use</span><span class="br0">&#40;</span><span class="st0">&quot;datasource-get&quot;</span><span class="sy0">,</span> <span class="st0">&quot;datasource-jsonschema&quot;</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">&#40;</span>Y<span class="br0">&#41;</span> <span class="br0">&#123;</span>
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    <span class="kw2">var</span> myDataSource <span class="sy0">=</span> <span class="kw2">new</span> Y.<span class="me1">DataSource</span>.<span class="me1">Get</span><span class="br0">&#40;</span><span class="br0">&#123;</span>
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        source<span class="sy0">:</span><span class="st0">&quot;http://query.yahooapis.com/v1/public/yql?format=json&amp;&quot;</span><span class="br0">&#125;</span><span class="br0">&#41;</span><span class="sy0">,</span>
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        myCallback <span class="sy0">=</span> <span class="br0">&#123;</span>
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            success<span class="sy0">:</span> <span class="kw2">function</span><span class="br0">&#40;</span>e<span class="br0">&#41;</span><span class="br0">&#123;</span>
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                <span class="kw3">alert</span><span class="br0">&#40;</span>e.<span class="me1">response</span><span class="br0">&#41;</span><span class="sy0">;</span>
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            <span class="br0">&#125;</span><span class="sy0">,</span>
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            failure<span class="sy0">:</span> <span class="kw2">function</span><span class="br0">&#40;</span>e<span class="br0">&#41;</span><span class="br0">&#123;</span>
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                <span class="kw3">alert</span><span class="br0">&#40;</span><span class="st0">&quot;Could not retrieve data: &quot;</span> <span class="sy0">+</span> e.<span class="me1">error</span>.<span class="me1">message</span><span class="br0">&#41;</span><span class="sy0">;</span>
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            <span class="br0">&#125;</span>
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        <span class="br0">&#125;</span><span class="sy0">;</span>
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&nbsp;
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    myDataSource.<span class="me1">plug</span><span class="br0">&#40;</span>Y.<span class="me1">Plugin</span>.<span class="me1">DataSourceJSONSchema</span><span class="sy0">,</span> <span class="br0">&#123;</span>
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        schema<span class="sy0">:</span> <span class="br0">&#123;</span>
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            resultListLocator<span class="sy0">:</span> <span class="st0">&quot;query.results.result&quot;</span><span class="sy0">,</span>
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            resultFields<span class="sy0">:</span> <span class="br0">&#91;</span><span class="st0">&quot;title&quot;</span><span class="br0">&#93;</span>
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        <span class="br0">&#125;</span>
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    <span class="br0">&#125;</span><span class="br0">&#41;</span><span class="sy0">;</span>
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&nbsp;
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    myDataSource.<span class="me1">sendRequest</span><span class="br0">&#40;</span><span class="st0">&quot;
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        q=select%20*%20from%20search.web%20where%20query%3D%22pizza%22&quot;</span><span class="sy0">,</span> myCallback<span class="br0">&#41;</span><span class="sy0">;</span>
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<span class="br0">&#125;</span><span class="br0">&#41;</span><span class="sy0">;</span></pre></div><textarea id="syntax1-plain">YUI().use("datasource-get", "datasource-jsonschema", function(Y) {
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    var myDataSource = new Y.DataSource.Get({
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        source:"http://query.yahooapis.com/v1/public/yql?format=json&"}),
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        myCallback = {
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            success: function(e){
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                alert(e.response);
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            },
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            failure: function(e){
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                alert("Could not retrieve data: " + e.error.message);
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            }
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        };
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    myDataSource.plug(Y.Plugin.DataSourceJSONSchema, {
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        schema: {
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            resultListLocator: "query.results.result",
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            resultFields: ["title"]
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        }
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    });
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    myDataSource.sendRequest("
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        q=select%20*%20from%20search.web%20where%20query%3D%22pizza%22", myCallback);
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});</textarea></div>				</div>
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				<div class="yui-u sidebar">
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					<div id="examples" class="mod box4">
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                        <div class="hd">
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						<h4>
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    DataSource Utility Examples:</h4>
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                        </div>
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						<div class="bd">
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							<ul>
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								<li><a href='../datasource/datasource_local.html'>DataSource.Local</a></li><li class='selected'><a href='../datasource/datasource_get.html'>DataSource.Get</a></li><li><a href='../datasource/datasource_io.html'>DataSource.IO</a></li><li><a href='../datasource/datasource_function.html'>DataSource.Function</a></li><li><a href='../datasource/datasource_caching.html'>DataSource with Caching</a></li><li><a href='../datasource/datasource_polling.html'>DataSource with Polling</a></li>							</ul>
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						</div>
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					</div>
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					<div class="mod box4">
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                        <div class="hd">
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						<h4>More DataSource Utility Resources:</h4>
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                        </div>
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                        <div class="bd">
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						<ul>
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							<!-- <li><a href="http://developer.yahoo.com/yui/datasource/">User's Guide</a> (external)</li> -->
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<li><a href="../../api/module_datasource.html">API Documentation</a></li></ul>
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                        </div>
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					</div>
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			  </div>
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		</div>
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		</div>
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	</div>
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<div class="yui-b toc3" id="tocWrapper">
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<!-- TABLE OF CONTENTS -->
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<div id="toc">
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<ul>
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<li class="sect first">YUI 3 Resources</li><li class="item"><a title="YUI 3 -- Yahoo! User Interface (YUI) Library" href="http://developer.yahoo.com/yui/3/">YUI 3 Web Site</a></li><li class="item"><a title="Examples of every YUI utility and control in action" href="../../examples/">YUI 3 Examples</a></li><li class="item"><a title="Instantly searchable API documentation for the entire YUI library." href="../../api/">YUI 3 API Docs</a></li><li class="item"><a title="YUI 3 Dependency Configurator -- configure your custom YUI implementation" href="http://developer.yahoo.com/yui/3/configurator">YUI 3 Dependency Configurator</a></li><li class="item"><a title="The YUI 3 Forum on YUILibrary.com" href="http://yuilibrary.com/forum/viewforum.php?f=15">YUI 3 Forums (external)</a></li><li class="item"><a title="Found a bug or a missing feature? Let us know on YUILibrary.com." href="http://developer.yahoo.com/yui/articles/reportingbugs/">Bug Reports/Feature Requests</a></li><li class="item"><a title="YUI is free and open, offered under a BSD license." href="http://developer.yahoo.com/yui/license.html">YUI License</a></li><li class="item"><a title="Download and fork the YUI project on GitHub" href="http://github.com/yui">YUI on Github</a></li><li class="item"><a title="The Yahoo! User Interface Blog" href="http://yuiblog.com">YUI Blog (external)</a></li><li class="sect">YUI 3 Core - Examples</li><li class="item"><a title="YUI Global Object - Functional Examples" href="../../examples/yui/index.html">YUI Global Object</a></li><li class="item"><a title="Event - Functional Examples" href="../../examples/event/index.html">Event</a></li><li class="item"><a title="Node - Functional Examples" href="../../examples/node/index.html">Node</a></li><li class="sect">YUI 3 Component Infrastructure - Examples</li><li class="item"><a title="Attribute - Functional Examples" href="../../examples/attribute/index.html">Attribute</a></li><li class="item"><a title="Plugin - Functional Examples" href="../../examples/plugin/index.html">Plugin <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Widget - Functional Examples" href="../../examples/widget/index.html">Widget <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="sect">YUI 3 Utilities - Examples</li><li class="item"><a title="Animation - Functional Examples" href="../../examples/anim/index.html">Animation</a></li><li class="item"><a title="AsyncQueue - Functional Examples" href="../../examples/async-queue/index.html">AsyncQueue</a></li><li class="item"><a title="Browser History - Functional Examples" href="../../examples/history/index.html">Browser History</a></li><li class="item"><a title="Cache - Functional Examples" href="../../examples/cache/index.html">Cache</a></li><li class="item"><a title="Cookie - Functional Examples" href="../../examples/cookie/index.html">Cookie</a></li><li class="item"><a title="DataSchema - Functional Examples" href="../../examples/dataschema/index.html">DataSchema <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="selected "><a title="DataSource - Functional Examples" href="../../examples/datasource/index.html">DataSource <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="DataType - Functional Examples" href="../../examples/datatype/index.html">DataType <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Drag &amp; Drop - Functional Examples" href="../../examples/dd/index.html">Drag &amp; Drop</a></li><li class="item"><a title="Get - Functional Examples" href="../../examples/get/index.html">Get</a></li><li class="item"><a title="ImageLoader - Functional Examples" href="../../examples/imageloader/index.html">ImageLoader</a></li><li class="item"><a title="IO - Functional Examples" href="../../examples/io/index.html">IO</a></li><li class="item"><a title="JSON (JavaScript Object Notation) - Functional Examples" href="../../examples/json/index.html">JSON</a></li><li class="item"><a title="Stylesheet - Functional Examples" href="../../examples/stylesheet/index.html">Stylesheet</a></li><li class="sect">YUI 3 Widgets - Examples</li><li class="item"><a title="Overlay - Functional Examples" href="../../examples/overlay/index.html">Overlay <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Slider - Functional Examples" href="../../examples/slider/index.html">Slider <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="sect">YUI 3 Node Plugins - Examples</li><li class="item"><a title="FocusManager Node Plugin - Functional Examples" href="../../examples/node-focusmanager/index.html">FocusManager Node Plugin <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="MenuNav Node Plugin - Functional Examples" href="../../examples/node-menunav/index.html">MenuNav Node Plugin <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="sect">YUI 3 CSS - Examples</li><li class="item"><a title="YUI CSS Reset - Functional Examples" href="../../examples/cssreset/index.html">CSS Reset</a></li><li class="item"><a title="YUI Fonts - Functional Examples" href="../../examples/cssfonts/index.html">CSS Fonts</a></li><li class="item"><a title="YUI Base - Functional Examples" href="../../examples/cssbase/index.html">CSS Base</a></li><li class="sect">YUI 3 Developer Tools - Examples</li><li class="item"><a title="Console - Functional Examples" href="../../examples/console/index.html">Console <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Console Filters Plugin- Functional Examples" href="../../examples/console-filters/index.html">Plugin.ConsoleFilters <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Profiler - Functional Examples" href="../../examples/profiler/index.html">Profiler</a></li><li class="item"><a title="Test - Functional Examples" href="../../examples/test/index.html">Test</a></li><li class="sect">Other Useful YUI 3 Resources</li><li class="item"><a title="Answers to Frequently Asked Questions about the YUI Library" href="http://developer.yahoo.com/yui/articles/faq/">YUI FAQ (external)</a></li><li class="item"><a title="Yahoo!'s philosophy of Graded Browser Support" href="http://developer.yahoo.com/yui/articles/gbs/">Graded Browser Support (external)</a></li><li class="item"><a title="Videos and podcasts from the YUI Team and from the Yahoo! frontend engineering community." href="http://developer.yahoo.com/yui/theater/">YUI Theater (external)</a></li></ul>
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</div>
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</div>
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	</div><!--closes bd-->
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	<div id="ft">
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        <p class="first">Copyright &copy; 2009 Yahoo! Inc. All rights reserved.</p>
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        <p><a href="http://privacy.yahoo.com/privacy/us/devel/index.html">Privacy Policy</a> - 
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            <a href="http://docs.yahoo.com/info/terms/">Terms of Service</a> - 
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            <a href="http://docs.yahoo.com/info/copyright/copyright.html">Copyright Policy</a> - 
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            <a href="http://careers.yahoo.com/">Job Openings</a></p>
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	</div>
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</div>
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<script language="javascript"> 
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var yuiConfig = {base:"../../build/", timeout: 10000};
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</script>
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<script src="../../assets/syntax.js"></script>
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<script src="../../assets/dpSyntaxHighlighter.js"></script>
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<script language="javascript"> 
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dp.SyntaxHighlighter.HighlightAll('code'); 
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</script>
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</body>
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</html>