public static void main(String[] args) throws ParserConfigurationException,

TransformerException {

var factory = DocumentBuilderFactory.newInstance();

var builder = factory.newDocumentBuilder();

var doc = builder.newDocument();

var root = doc.createElementNS("zetcode.com", "users");

doc.appendChild(root);

root.appendChild(createUser(doc, "1", "Robert", "Brown", "programmer"));

root.appendChild(createUser(doc, "2", "Pamela", "Kyle", "writer"));

root.appendChild(createUser(doc, "3", "Peter", "Smith", "teacher"));

var transformerFactory = TransformerFactory.newInstance();

var transformer = transformerFactory.newTransformer();

transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");

transformer.setOutputProperty(OutputKeys.INDENT, "yes");

transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");

var source = new DOMSource(doc);

var myFile = new File("src/main/resources/users.xml");

var console = new StreamResult(System.out);

var file = new StreamResult(myFile);

transformer.transform(source, console);

transformer.transform(source, file);

}

private static Node createUser(Document doc, String id, String firstName,

String lastName, String occupation) {

var user = doc.createElement("user");

user.setAttribute("id", id);

user.appendChild(createUserElement(doc, "firstname", firstName));

user.appendChild(createUserElement(doc, "lastname", lastName));

user.appendChild(createUserElement(doc, "occupation", occupation));

return user;

}

private static Node createUserElement(Document doc, String name,

String value) {

var node = doc.createElement(name);

node.appendChild(doc.createTextNode(value));

return node;

}