How to use

isNull

method

in

me.zhengjie.utils.ValidationUtil

@Override
public QiniuContent findByContentId(Long id) {
  Optional<QiniuContent> qiniuContent = qiniuContentRepository.findById(id);
  ValidationUtil.isNull(qiniuContent,"QiniuContent", "id",id);
  return qiniuContent.get();
}

@Override
public QuartzJob findById(Long id) {
  Optional<QuartzJob> quartzJob = quartzJobRepository.findById(id);
  ValidationUtil.isNull(quartzJob,"QuartzJob","id",id);
  return quartzJob.get();
}

@Override
public Picture findById(Long id) {
  Optional<Picture> picture = pictureRepository.findById(id);
  ValidationUtil.isNull(picture,"Picture","id",id);
  return picture.get();
}

@Override
public UserDTO findById(long id) {
  Optional<User> user = userRepository.findById(id);
  ValidationUtil.isNull(user,"User","id",id);
  return userMapper.toDto(user.get());
}

@Override
public PermissionDTO findById(long id) {
  Optional<Permission> permission = permissionRepository.findById(id);
  ValidationUtil.isNull(permission,"Permission","id",id);
  return permissionMapper.toDto(permission.get());
}

@Override
public MenuDTO findById(long id) {
  Optional<Menu> menu = menuRepository.findById(id);
  ValidationUtil.isNull(menu,"Menu","id",id);
  return menuMapper.toDto(menu.get());
}

@Override
public RoleDTO findById(long id) {
  Optional<Role> role = roleRepository.findById(id);
  ValidationUtil.isNull(role,"Role","id",id);
  return roleMapper.toDto(role.get());
}

@Override
@Transactional(rollbackFor = Exception.class)
public void update(Permission resources) {
  Optional<Permission> optionalPermission = permissionRepository.findById(resources.getId());
  ValidationUtil.isNull(optionalPermission,"Permission","id",resources.getId());
  Permission permission = optionalPermission.get();
  /**
   * 根据实际需求修改
   */
  if(permission.getId().equals(1L)){
    throw new BadRequestException("该权限不能被修改");
  }
  Permission permission1 = permissionRepository.findByName(resources.getName());
  if(permission1 != null && !permission1.getId().equals(permission.getId())){
    throw new EntityExistException(Permission.class,"name",resources.getName());
  }
  permission.setName(resources.getName());
  permission.setAlias(resources.getAlias());
  permission.setPid(resources.getPid());
  permissionRepository.save(permission);
}

@Override
@Transactional(rollbackFor = Exception.class)
public void update(Role resources) {
  Optional<Role> optionalRole = roleRepository.findById(resources.getId());
  ValidationUtil.isNull(optionalRole,"Role","id",resources.getId());
  Role role = optionalRole.get();
  /**
   * 根据实际需求修改
   */
  if(role.getId().equals(1L)){
    throw new BadRequestException("该角色不能被修改");
  }
  Role role1 = roleRepository.findByName(resources.getName());
  if(role1 != null && !role1.getId().equals(role.getId())){
    throw new EntityExistException(Role.class,"username",resources.getName());
  }
  role.setName(resources.getName());
  role.setRemark(resources.getRemark());
  role.setPermissions(resources.getPermissions());
  roleRepository.save(role);
}

@Override
@Transactional(rollbackFor = Exception.class)
public void update(User resources) {
  Optional<User> userOptional = userRepository.findById(resources.getId());
  ValidationUtil.isNull(userOptional,"User","id",resources.getId());
  User user = userOptional.get();
  /**
   * 根据实际需求修改
   */
  if(user.getId().equals(1L)){
    throw new BadRequestException("该账号不能被修改");
  }
  User user1 = userRepository.findByUsername(user.getUsername());
  User user2 = userRepository.findByEmail(user.getEmail());
  if(resources.getRoles() == null || resources.getRoles().size() == 0){
    throw new BadRequestException("角色不能为空");
  }
  if(user1 !=null&&!user.getId().equals(user1.getId())){
    throw new EntityExistException(User.class,"username",resources.getUsername());
  }
  if(user2!=null&&!user.getId().equals(user2.getId())){
    throw new EntityExistException(User.class,"email",resources.getEmail());
  }
  user.setUsername(resources.getUsername());
  user.setEmail(resources.getEmail());
  user.setEnabled(resources.getEnabled());
  user.setRoles(resources.getRoles());
  userRepository.save(user);
}

@Override
public void update(Menu resources) {
  Optional<Menu> optionalPermission = menuRepository.findById(resources.getId());
  ValidationUtil.isNull(optionalPermission,"Permission","id",resources.getId());
  if(resources.getIFrame()){
    if (!(resources.getPath().toLowerCase().startsWith("http://")||resources.getPath().toLowerCase().startsWith("https://"))) {
      throw new BadRequestException("外链必须以http://或者https://开头");
    }
  }
  Menu menu = optionalPermission.get();
  Menu menu1 = menuRepository.findByName(resources.getName());
  if(menu1 != null && !menu1.getId().equals(menu.getId())){
    throw new EntityExistException(Menu.class,"name",resources.getName());
  }
  menu.setName(resources.getName());
  menu.setComponent(resources.getComponent());
  menu.setPath(resources.getPath());
  menu.setIcon(resources.getIcon());
  menu.setIFrame(resources.getIFrame());
  menu.setPid(resources.getPid());
  menu.setSort(resources.getSort());
  menu.setRoles(resources.getRoles());
  menuRepository.save(menu);
}