Question

我有一个使用有效负载执行某些操作的控制器，但现在我想在执行任何操作之前验证它。有效负载转换为byte[]，然后读入名为AuthorizationServer的类，该类具有一些验证注释 - @NotNull，@ NotBlank等。

这是AuthorizationServer类的一个块：

@NotBlank
private String authorizationServerId;

@Property
@Indexed(unique = true)
@NotBlank
private String authorizationUrl;

@Property(policy = PojomaticPolicy.TO_STRING)
@NotBlank
private String clientAuthorizationUrl;

@NotBlank
private String deviceRootCert;

这是控制器：

byte[] bytes = IOUtils.toByteArray(request.getInputStream());
        String signature = authorization.split(":")[1];

        ObjectMapper mapper = objectMapper();
        AuthorizationServer authorizationServer = mapper.readValue(bytes, 
        AuthorizationServer.class);

现在，在下一行中，我想针对AuthorizationServer类中声明的注释验证authorizationServer。我在春天4.有人可以指导我吗？谢谢！

Answer 1

为什么不让Spring为您解组AuthorizationServer类？然后你只需用@Valid注释它并查看BindingResult对象是否有错误：

@RequestMapping(value = "/somUrl", method = RequestMethod.POST)
@ResponseBody
public void doSomething(@RequestBody @Valid AuthorizationServer authorizationServer, BindingResult bindingResult) throws Exception {
        if (bindingResult.hasErrors()) {
           //do something
        }

更新

尝试使用此代码以编程方式验证：

ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
Validator validator = factory.getValidator();
Set<ConstraintViolation<AuthorizationServer>> errors = validator.validate(authorizationServer);

更新2：

这个怎么样：

@Valid
AuthorizationServer authorizationServer = mapper.readValue(bytes, AuthorizationServer.class);

Spring - 验证Controller内针对bean的输入

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