public static void rec(Node radacina, DefaultMutableTreeNode radacinaTree) {
            NodeList nodeList;
            DefaultMutableTreeNode defaultMutableTreeNode = null;
            if (radacina.hasChildNodes()) {
                nodeList = radacina.getChildNodes();
                for (int i = 0; i < nodeList.getLength(); i++) {
                    radacina = nodeList.item(i);
                    if (radacina.getNodeType() == Node.ELEMENT_NODE) {
                        defaultMutableTreeNode = new DefaultMutableTreeNode(radacina.getNodeName());
                        radacinaTree.add(defaultMutableTreeNode);

                    } else if (radacina.getNodeType() == Node.TEXT_NODE && !radacina.getNodeValue().isBlank()) {
                        defaultMutableTreeNode = new DefaultMutableTreeNode(radacina.getNodeValue());
                        radacinaTree.add(defaultMutableTreeNode);
                    System.out.println(radacina.getNodeValue().trim());
                }

                    rec(nodeList.item(i), defaultMutableTreeNode);
                }
            }
        }