public static String roleName(Long roleId) { Role role = getRoleService().findOne(roleId); if (role == null) { return ""; } return role.getDescription(); }
public static String roleNames(Collection<Long> roleIds) { if (CollectionUtils.isEmpty(roleIds)) { return ""; } StringBuilder s = new StringBuilder(); for (Long roleId : roleIds) { Role role = getRoleService().findOne(roleId); if (role == null) { return ""; } s.append(role.getDescription()); s.append(","); } if (s.length() > 0) { s.deleteCharAt(s.length() - 1); } return s.toString(); }