HTTPService with XML format errors when XML is empty. How can I test the value?

I have a simple HTTPService that returns XML code. 99% of the time there are values and all is right with the world, but sometimes there is no values and my xml looks like this

<?xml version="1.0" encoding="UTF-8" ?> 
  <node /> 

It is quite valid. How can I test this and avoid

ReferenceError: Error #1069: node not found property on flash.xml.XMLNode and there is no default value.

I tried

If

Normally the XML with the look as values

(event.result.node == null)

<node>
-     <node label="MYLABEL1" id="231" type="O" />
      <node label="MYLABEL2" id="263" type="O" />
  </node>



This Punch and see what happens:

var xml =

;

If (xml.hasOwnProperty ("node"))

{

trace ("neat!");

}

var xmlList1:XMLList = xml.node.attribute ("attribute1");

If (xmlList1.length () > 0)

{

trace ("attribute1 found.');

}

var xmlList3:XMLList = xml.node.attribute ("attribute3");

If (xmlList3.length () > 0)

{

trace ("attribut3 found!'); This will not be found

}

Of course, the try-catch blocks are my usual method of getting XML incorrect, but it's a little hokey.

Tags: Flex

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