HttpUnit and XPath

Hi,

I would like to use HttpUnit and XPath. I found this page : 
http://idiacomputing.com/moin/HtmlTestingUsingXpath
It's now possible for me to check if an element is present thanks to 
xpath. But now, I want to click on a link specified by it's XPath.

I have this code :
private Object getElementByXPath(String xpath) {
        try {
            Document rootNode = getResponse().getDOM();
            XPath xpathObject = makeXpath(xpath);
            return xpathObject.selectSingleNode(rootNode);
        } catch (SAXException e) {
            throw new RuntimeException(e);
        } catch (JaxenException e) {
            throw new RuntimeException(e);
        }
    }

    public void clickElementByXPath(String xpath) {
        Object o = getElementByXPath(xpath);
        if (o instanceof Node) {
            ??????????????
        }
        else {
            throw new RuntimeException("Don't know how to click on this 
element");
        }
    }
So I get a Node thanks to XPath, but I don't know how to make httpunit 
parse it and click on it.

Any idea ?

Thanks

Julien Henry

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