Java tutorial
import java.io.StringReader; import java.io.StringWriter; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerException; import javax.xml.transform.TransformerFactory; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.stream.StreamResult; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.NodeList; import org.xml.sax.InputSource; public class Main { public static String getXMLData() { return "<a><person number='' dept=''><name>myName</name></person></a>"; } public static void main(String[] argv) throws Exception { DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); Document doc = factory.newDocumentBuilder().parse(new InputSource(new StringReader(getXMLData()))); edit(doc); System.out.println(documentToString(doc)); } public static void edit(Document doc) { NodeList list = doc.getElementsByTagName("name"); Element element = (Element) list.item(0); Element dup = (Element) element.cloneNode(true); element.getParentNode().insertBefore(dup, element.getNextSibling()); } public static String documentToString(Document document) { try { TransformerFactory tf = TransformerFactory.newInstance(); Transformer trans = tf.newTransformer(); StringWriter sw = new StringWriter(); trans.transform(new DOMSource(document), new StreamResult(sw)); return sw.toString(); } catch (TransformerException tEx) { tEx.printStackTrace(); } return null; } }