Copy XML array from one XML Object to another xml Object

Question

how to copy one xml object values from one xml object to another empty xml object.

I have one xml object from the xml array and need to copy that to another xml object. How can i copy xml from one object to another

if am parsing the XML object with for loop and i get the nodes

var myXML:xml = new xml();
for(...)
if(xmlObj.product[i].name == 'myproduct'){
  /// copy this to 'myXML' xml object .. how??


}

trace(myXML)

are you using as3 or as2? your question is tagged with both, but this specific operation is quite different between the two. — grapefrukt
– grapefrukt, Commented Dec 8, 2009 at 9:11

Ross Henderson · Accepted Answer · 2009-12-08 21:44:06Z

This is how I would probably do this, using AS3's E4X capabilities.

private function copyMyProductXMLNodes():void
{
    var xmlObj:XML = <productList><product name="notMyProduct">product 1</product><product name="myProduct">product 2</product><product name="notMyProduct">product 3</product><product name="myProduct">product 4</product></productList>;
    var myXML:XML = <myProductList></myProductList>;

    for each(var productItem:XML in xmlObj.product)
    {
        if(productItem.@name == 'myProduct')
        {
            myXML.appendChild(productItem.copy());
        }
    }

    trace(myXML.toXMLString())
}

I instantiated the myXML var with an XML literal, rather than leaving it as new XML() because the appendChild method can't append anything to an XML object until it has a top-level node.

I'd be glad to add a little more commentary on this code, if that would be helpful. Just let me know.

longstaff · Accepted Answer · 2009-12-08 08:54:26Z

2

try something like:

var newXml:XML = new XML(oldXml.toXMLString());

answered Dec 8, 2009 at 8:54

longstaff

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4 Comments

coderex Over a year ago

how to copy the specific childs only.

longstaff Over a year ago

then use var newXml:XML = new XML(xmlObj.product[i]);

longstaff Over a year ago

this will only work if the xml is a single element (eg one root tag) otherwise you need to start using xmlList objects, see kirupa.com/developer/flashcs3/using_xml_as3_pg1.htm

schellmax Over a year ago

to clarify the preceding comment, it doesn't have to contain ONLY a single element, but there must only be 1 element at the root. meaning, <foo><bar/><bar/><bar/></foo> is working as expected.

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