public String editAdressForm(long id) {
   Address address = addressDao.findById(id);
   this.id = address.getId();
   this.name = address.getName();
   this.street = address.getStreet();
   this.houseNumber = address.getHouseNumber();
   this.zip = address.getZip();
   this.city = address.getCity();
   return "edit.xhtml";
 }
 public String saveEdited() {
   Address address = addressDao.findById(this.id);
   address.setName(name);
   address.setStreet(street);
   address.setHouseNumber(houseNumber);
   address.setZip(zip);
   address.setCity(city);
   addressDao.update(address);
   return "hello.xhtml";
 }
 public String saveNew() {
   Address address = new Address();
   address.setName(name);
   address.setStreet(street);
   address.setHouseNumber(houseNumber);
   address.setZip(zip);
   address.setCity(city);
   addressDao.addNewAddress(address);
   return "hello.xhtml";
 }