Java tutorial
import java.io.ByteArrayOutputStream; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.transform.Transformer; 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.Node; public class Main { public static Document userdom; public static void main(String[] args) throws Exception { userdom = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument(); Element root = userdom.createElement("users"); Node adoptNode = userdom.adoptNode(root); userdom.appendChild(adoptNode); Element e = userdom.createElement("user"); e.setAttribute("id", "blah"); e.setAttribute("username", "kermit"); e.setAttribute("password", "bunnies in the air"); e.setAttribute("login", "kermmi"); userdom.getFirstChild().appendChild(e); System.out.println(e); System.out.println(userdom.getFirstChild() + "|" + userdom.getFirstChild().getFirstChild()); TransformerFactory tf = TransformerFactory.newInstance(); Transformer trans = tf.newTransformer(); System.out.println(userdom.getFirstChild() + "|" + userdom.getFirstChild().getFirstChild()); DOMSource ds = new DOMSource(userdom); try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) { StreamResult sr = new StreamResult(baos); trans.transform(ds, sr); System.out.println(new String(baos.toByteArray())); } } }