Mega Code Archive
Extract the data from the HTML page by using regular expressions
<![CDATA[
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Code from Flex 4 Documentation "Using Adobe Flex 4".
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<!-- charts/HTMLDataProvider.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:mx="library://ns.adobe.com/flex/mx" xmlns:s="library://ns.adobe.com/flex/spark"
creationComplete="initApp()" height="600">
<fx:Declarations>
<mx:HTTPService id="serviceInput" resultFormat="text"
url="http://aspexamples.adobe.com/chart_examples/testDataPage.html" />
</fx:Declarations>
<fx:Script>
import mx.events.FlexEvent;
import mx.rpc.events.ResultEvent;
import mx.rpc.events.FaultEvent;
[Bindable]
public var chartData:XMLList;
private function initApp():void {
serviceInput.addEventListener(ResultEvent.RESULT, resultHandler);
serviceInput.addEventListener(FaultEvent.FAULT, faultHandler);
serviceInput.send();
}
public function resultHandler(evt:Event):void {
// Extract the XML data from the HTML page.
var htmlBlob:String = serviceInput.lastResult.toString();
htmlBlob = htmlBlob.slice( htmlBlob.indexOf("<!-- data starts here -->", 0) +25, htmlBlob.length );
htmlBlob = htmlBlob.slice( 0, htmlBlob.indexOf("<!-- data ends here -->", 0) );
// Create an XMLList from the extracted XML data.
chartData = new XMLList(htmlBlob);
}
public function faultHandler(evt:Event):void {
trace(evt.toString());
}
</fx:Script>
<s:layout>
<s:VerticalLayout />
</s:layout>
<s:Panel title="Line chart with data extracted from HTML page">
<s:layout>
<s:VerticalLayout />
</s:layout>
<mx:LineChart id="chart" dataProvider="{chartData}"
showDataTips="true">
<mx:series>
<mx:LineSeries id="series1" yField="misc" xField="month" />
</mx:series>
<mx:horizontalAxis>
<mx:CategoryAxis categoryField="month" />
</mx:horizontalAxis>
</mx:LineChart>
</s:Panel>
</s:Application>
]]>