docs: private String validatePath(String path) throws CmsSecurityException {
  
          // Problems with spaces in new folders (default: "Neuer Ordner")
          // Solution: translate this to a correct name.
          String ret = m_cms.getRequestContext().getFileTranslator().translateResource(path);
  
          // add site root only works correct if system folder ends with a slash
          if (CmsResource.VFS_FOLDER_SYSTEM.equals(ret)) {
              ret = ret.concat("/");
          }
  
          // filter path
          if (isFiltered(ret)) {
              throw new CmsSecurityException(Messages.get().container(Messages.ERR_ITEM_FILTERED_1, path));
          }
  
          return ret;
      }