code: private Set<String> getUrlNames(CmsUUID id) {
  
          try {
              return new HashSet<String>(m_cms.readUrlNamesForAllLocales(id));
          } catch (Exception e) {
              LOG.error(e.getLocalizedMessage(), e);
              return Collections.emptySet();
          }
      }
docs: Reads the URL names for the id.<p>
  
  @param id the structure id of a resource
  @return the URL names for the resource