Hello David,
in case you know parent node is element, you can change type of variable:
Element parentElement = (Element) parentNode;
But with dom4j you should better do this:
private static void updateNode(Document document, String elementName, String
text) {
Namespace xdp = Namespace.get("xdp", "http://ns.adobe.com/xdp/";);
Namespace xdp = Namespace.get("xfa", "
http://www.xfa.org/schema/xfa-data/1.0/";);
Element parent = document.getRootElement().element(QName.get("xdp",
xdp)).element(QName.get("datasets", xfa)).element(QName.get("data",
xfa)).element("form1");
Element dataNode = parent.element(elementName);
if (dataNode == null) {
dataNode = parent.addElement(elementName);
}
dataNode.setText(text);
}
Sincerely,
Filip Jirsák
2010/4/22 David Bates <[email protected]>
> Hey guys,
>
>
>
> This is driving me nuts.
>
> I’m trying to write a method which will update the an element’s text.
>
> However, if the element doesn’t yet exist, I want to create it. How are
> you meant to do this??!
>
>
>
> *private* *static* *void* updateNode(Document d, String elementName,
> String text) {
>
> Map map = *new* HashMap();
>
> map.put("xdp", "http://ns.adobe.com/xdp/";);
>
> map.put("xfa", "http://www.xfa.org/schema/xfa-data/1.0/";);
>
>
>
> *final* String PARENT_NODE =
> "/xdp:xdp/xfa:datasets/xfa:data/form1";
>
> String fullyQualified = PARENT_NODE + "/" + elementName;
>
> XPath xPath = DocumentHelper.*createXPath*(fullyQualified);
>
> xPath.setNamespaceURIs(map);
>
>
>
> Node dataNode = xPath.selectSingleNode(d);
>
> *if* (dataNode == *null*) {
>
> // *Find the parent node to which we will add the new element…*
>
> xPath = DocumentHelper.*createXPath*(PARENT_NODE);
>
> xPath.setNamespaceURIs(map);
>
>
>
> Node parentNode = xPath.selectSingleNode(d);
>
> // *TODO*: Add new element elementName below
> parentNode...
>
> }
>
> dataNode.setText(text);
>
> }
>
>
>
> It doesn’t seem possible with the Node interface which is returned. Help!
>
>
>
> Many thanks,
>
>
>
> David.
>
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