public class Registration {

	//registracia, zapis udajov do XML suboru
	public boolean zapis(String meno, String heslo, String skola, String fakulta, String rocnik, String pozicia) {
		try
	    {
			final File newXmlFile = new File("uzivatelia.xml");

	        String FILE_PATH = newXmlFile.getPath();

	        DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();

	       if (newXmlFile.exists() == true) {
	    	   docFactory.setValidating(false);

	    	   DocumentBuilder docBuilder = docFactory.newDocumentBuilder();

	           Document doc = docBuilder.parse(newXmlFile);
	           doc.getDocumentElement ().normalize ();


	           Node rootElement = doc.getFirstChild();
	           NodeList rootList = doc.getElementsByTagName("uzivatelia");
	           Node root = rootList.item(0);

	           Element newUser = doc.createElement("uzivatel");
	           root.appendChild(newUser);

	           Element newName = doc.createElement("meno");
	           newName.appendChild(doc.createTextNode(meno));
	           newUser.appendChild(newName);

	           Element newPassword = doc.createElement("heslo");
	           newPassword.appendChild(doc.createTextNode(heslo));
	           newUser.appendChild(newPassword);

	           Element newSchool = doc.createElement("skola");
	           newSchool.appendChild(doc.createTextNode(skola));
	           newUser.appendChild(newSchool);

	           Element newFaculty = doc.createElement("fakulta");
	           newFaculty.appendChild(doc.createTextNode(fakulta));
	           newUser.appendChild(newFaculty);

	           Element newYear = doc.createElement("rocnik");
	           newYear.appendChild(doc.createTextNode(rocnik));
	           newUser.appendChild(newYear);

	           Element newPosition = doc.createElement("pozicia");
	           newPosition.appendChild(doc.createTextNode(pozicia));
	           newUser.appendChild(newPosition);

	           TransformerFactory transformerFactory = TransformerFactory.newInstance();
	           Transformer transformer = transformerFactory.newTransformer();
	           DOMSource source = new DOMSource(doc);
	           StreamResult result = new StreamResult(new File(FILE_PATH));
	           transformer.transform(source, result);
	       }
	       return true;
	    }
		catch (Exception e) {
			e.printStackTrace();
	        return false;
	    }
	}
}