Java tutorial
import java.io.StringWriter; import javax.xml.parsers.DocumentBuilder; 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; public class Main { public static void main(String[] argv) throws Exception { DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); factory.setNamespaceAware(true); DocumentBuilder loader = factory.newDocumentBuilder(); Document document = loader.newDocument(); edit(document); System.out.println(documentToString(document)); } public static void edit(Document document) { String docNS = "http://www.my-company.com"; Element order = document.createElementNS(docNS, "order"); document.appendChild(order); order.setAttribute("xmlns", docNS); } 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; } }