@RequestMapping("/")
public String listContacts(Map<String, Object> map) {
if (modelo.isEmpty()) {
contact.setId(-1);
map.put("contacto", contact);
} else {
map.putAll(modelo);
modelo.clear();
}
map.put("contactoList", servicioContacto.listContact());
return "contacto";
}
private void assertModelMapIsEmptyToAvoidQueryStringOnRedirect(ModelMap modelMap) {
assertTrue(modelMap.isEmpty());
}