Java EE (Java Enterprise Edition) General Discussion

Hi
I have to relpace elements which are with name <Link>,with
string <?abc id='10' city='xxx' ?>

<root>
 <title>Dummy title</title>

<content type='html'>
<Link id='100,101'/> Dummy <a href='www.google.com'>content</a> that the <a href='www.yahoo.com'>cross</a> linking tool will manipulate
</content>

<content type='html'>
<Link id='200,201'/> Dummy <a href='www.google.com'>content</a> that the <a href='www.yahoo.com'>cross</a> linking tool will manipulate
</content>

<content type='html'>
<Link id='300,301'/> Dummy <a href='www.google.com'>content</a> that the <a href='www.yahoo.com'>cross</a> linking tool will manipulate
</content>
<removed>500</removed_ids>
</root>

expected out put is file is

code]<root>
<title>Dummy title</title>

<content type='html'>
<?abc id='100,101' city='xxx' ?>Dummy content that the cross linking tool will manipulate
</content>

<content type='html'>
<?abc id='200,201' city='xxx' ?>Dummy content that the cross linking tool will manipulate
</content>

<content type='html'>
<?abc id='300,310' city='xxx' ?> Dummy content that the cross linking tool will manipulate
</content>
<removed>500</removed_ids>
</root>

java code is

DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
    Document document = builder.parse(new File("C:\\LinkProcess.xml"));
    XPath xpath = XPathFactory.newInstance().newXPath();
    String expression = "//Link";
    NodeList  nodelist = (NodeList) xpath.evaluate(expression, document, XPathConstants.NODESET);
    for(int i=0;i<nodelist.getLength();i++){
    Element element = (Element)nodelist.item(i);
    String id = element.getAttribute("id");
    System.out.println("id = "+id);
    Text text = document.createTextNode("<?dctm id ='100'?>");
    document.insertBefore(text,element);
    System.out.println("remove is success");
    }

document.insertBefore(text,element); statement throwing exception as
org.w3c.dom.DOMException: HIERARCHY_REQUEST_ERR: An attempt was made to insert a node where it is not permitted.

and i would like to remove element named <removed>
can you help in this

Thanks & Regards
vittal