Java ConstraintViolationException.getConstraintViolations方法代码示例

import javax.validation.ConstraintViolationException; //导入方法依赖的package包/类
/**
 * Check validation errors success for collections.
 */
@Test
public void jsr349ObjectInvalid() {
	try {
		final SystemUser userDto = new SystemUser();
		userDto.setLogin("junit");
		validationInInterceptor.handleValidation(MESSAGE, INSTANCE, fromName("jsr349Object"), Arrays.asList(new Object[] { null }));
		Assert.fail("Expected validation errors");
	} catch (final ConstraintViolationException cve) {

		// Check all expected errors are there.
		final Set<ConstraintViolation<?>> constraintViolations = cve.getConstraintViolations();
		Assert.assertNotNull(constraintViolations);
		Assert.assertEquals(1, constraintViolations.size());

		// Check expected errors
		final ConstraintViolation<?> error1 = constraintViolations.iterator().next();
		Assert.assertEquals(NotNull.class, error1.getConstraintDescriptor().getAnnotation().annotationType());
		Assert.assertEquals("jsr349Object.p", error1.getPropertyPath().toString());
	}
}
 

import javax.validation.ConstraintViolationException; //导入方法依赖的package包/类
/**
 * @param ex {@link ConstraintViolationException}
 * @return Returns an object with a list of incorrect parameters.
 */
@ExceptionHandler(ConstraintViolationException.class)
@ResponseStatus(HttpStatus.BAD_REQUEST)
public ValidationErrorDTO processValidationError(final ConstraintViolationException ex) {
    final ValidationErrorDTO validationErrorDTO = new ValidationErrorDTO();

    final Set<ConstraintViolation<?>> set =  ex.getConstraintViolations();

    for (Iterator<ConstraintViolation<?>> iterator = set.iterator();iterator.hasNext(); ) {
        ConstraintViolation<?> next =  iterator.next();

        validationErrorDTO.getFieldErrors()
                .add(new ErrorFieldDTO(((PathImpl)next.getPropertyPath()).getLeafNode().getName(),
                                            next.getMessage()));
    }

    return validationErrorDTO;
}
 

import javax.validation.ConstraintViolationException; //导入方法依赖的package包/类
private void handleConstraintViolation(ConstraintViolationException violationException){

        Set<ConstraintViolation<?>> violationSet = violationException.getConstraintViolations();
        String[] messages = new String[violationSet.size()];

        int i = 0;
        for(ConstraintViolation violation: violationSet){
            messages[i] = violation.getMessage();
            i++;
        }

        Gson gson = appContext.getGsonBuilder().create();

        Map details = new HashMap<>();
        details.put("messages",messages);

        Map exception = new HashMap<>();
        exception.put("type",ConstraintViolationException.class.getSimpleName());
        exception.put("details",details);

        String resp = gson.toJson(exception);
        requestContext.getResponse().setStatus(500);
        requestContext.getResponse().setContentType("text/json;charset=UTF8");
        requestContext.echo(resp);

    }
 

import javax.validation.ConstraintViolationException; //导入方法依赖的package包/类
@Test
public void testPropertyNotNull() {
	Project project = new Project();
	project.setId(1L);
	project.setName(null); // violation
	try {
		projectRepo.create(project);
	} catch (ConstraintViolationException e) {
		Set<ConstraintViolation<?>> violations = e.getConstraintViolations();
		Assert.assertEquals(1, violations.size());
		ConstraintViolationImpl violation = (ConstraintViolationImpl) violations.iterator().next();
		Assert.assertEquals("{javax.validation.constraints.NotNull.message}", violation.getMessageTemplate());
		Assert.assertEquals("name", violation.getPropertyPath().toString());
		Assert.assertNotNull(violation.getMessage());
		Assert.assertTrue(violation.getMessage().contains("null"));
		Assert.assertEquals("/data/attributes/name", violation.getErrorData().getSourcePointer());
	}
}
 

import javax.validation.ConstraintViolationException; //导入方法依赖的package包/类
@Test
public void testListAttribute() {
	Project project = new Project();
	project.setId(1L);
	project.setName("test");
	project.getKeywords().add("1");
	project.getKeywords().add("2");
	project.getKeywords().add("3");
	project.getKeywords().add("4");
	try {
		projectRepo.create(project);
	} catch (ConstraintViolationException e) {
		Set<ConstraintViolation<?>> violations = e.getConstraintViolations();
		Assert.assertEquals(1, violations.size());
		ConstraintViolationImpl violation = (ConstraintViolationImpl) violations.iterator().next();
		Assert.assertEquals("{javax.validation.constraints.Size.message}", violation.getMessageTemplate());
		Assert.assertEquals("keywords", violation.getPropertyPath().toString());

		// message depends on local
		Assert.assertNotNull(violation.getMessage());
		Assert.assertTrue(violation.getMessage().contains("0"));
		Assert.assertTrue(violation.getMessage().contains("3"));
		Assert.assertEquals("/data/attributes/keywords", violation.getErrorData().getSourcePointer());
	}
}
 

import javax.validation.ConstraintViolationException; //导入方法依赖的package包/类
@Test
public void testNestedPropertyNotNull() {
	ProjectData data = new ProjectData();
	data.setValue(null); // violation

	Project project = new Project();
	project.setId(1L);
	project.setName("test");
	project.setData(data);

	try {
		projectRepo.create(project);
	} catch (ConstraintViolationException e) {
		Set<ConstraintViolation<?>> violations = e.getConstraintViolations();
		Assert.assertEquals(1, violations.size());
		ConstraintViolationImpl violation = (ConstraintViolationImpl) violations.iterator().next();
		Assert.assertEquals("{javax.validation.constraints.NotNull.message}", violation.getMessageTemplate());
		Assert.assertEquals("data.value", violation.getPropertyPath().toString());
		Assert.assertEquals("/data/attributes/data/value", violation.getErrorData().getSourcePointer());
	}
}
 

import javax.validation.ConstraintViolationException; //导入方法依赖的package包/类
/**
 * Check validation errors success for collections.
 */
@Test
public void jsr349CollectionInvalid() {
	try {
		final SystemUser userDto = new SystemUser();
		userDto.setLogin("junit");
		validationInInterceptor.handleValidation(MESSAGE, INSTANCE, fromName("jsr349Collection"),
				Arrays.asList(Arrays.asList(userDto, userDto, userDto)));
		Assert.fail("Expected validation errors");
	} catch (final ConstraintViolationException cve) {

		// Check all expected errors are there.
		final Set<ConstraintViolation<?>> constraintViolations = cve.getConstraintViolations();
		Assert.assertNotNull(constraintViolations);
		Assert.assertEquals(1, constraintViolations.size());

		// Check expected errors
		final ConstraintViolation<?> error1 = constraintViolations.iterator().next();
		Assert.assertEquals(Size.class, error1.getConstraintDescriptor().getAnnotation().annotationType());
		Assert.assertEquals("jsr349Collection.params", error1.getPropertyPath().toString());
	}
}
 

import javax.validation.ConstraintViolationException; //导入方法依赖的package包/类
/**
 * Check not valid parameter operation failed.
 */
@Test
public void objectInvalid() {
	final SystemUser userDto = new SystemUser();
	userDto.setLogin("");
	try {
		validationInInterceptor.handleValidation(MESSAGE, INSTANCE, fromName("object"), Arrays.asList(userDto));
		Assert.fail("Expected validation errors");
	} catch (final ConstraintViolationException cve) {

		// Check all expected errors are there.
		final Set<ConstraintViolation<?>> constraintViolations = cve.getConstraintViolations();
		Assert.assertNotNull(constraintViolations);
		Assert.assertEquals(1, constraintViolations.size());

		// Check expected errors
		final ConstraintViolation<?> error1 = constraintViolations.iterator().next();
		Assert.assertEquals(NotEmpty.class, error1.getConstraintDescriptor().getAnnotation().annotationType());
		Assert.assertEquals("", error1.getInvalidValue());
		Assert.assertEquals("login", error1.getPropertyPath().toString());
	}
}
 

import javax.validation.ConstraintViolationException; //导入方法依赖的package包/类
@Test
public void jsr349SimpleInvalid() {
	try {
		validationInInterceptor.handleValidation(MESSAGE, INSTANCE, fromName("jsr349Simple"), Arrays.asList(new Object[] { null }));
		Assert.fail("Expected validation errors");
	} catch (final ConstraintViolationException cve) {

		// Check all expected errors are there.
		final Set<ConstraintViolation<?>> constraintViolations = cve.getConstraintViolations();
		Assert.assertNotNull(constraintViolations);
		Assert.assertEquals(1, constraintViolations.size());

		// Check expected errors
		final ConstraintViolation<?> error1 = constraintViolations.iterator().next();
		Assert.assertEquals(NotNull.class, error1.getConstraintDescriptor().getAnnotation().annotationType());
		Assert.assertEquals("jsr349Simple.param", error1.getPropertyPath().toString());
	}
}
 

import javax.validation.ConstraintViolationException; //导入方法依赖的package包/类
@Override
public Response toResponse(ConstraintViolationException ex) {
  ResultStash.Builder builder = ResultStash.builder().setStatus(Response.Status.PRECONDITION_FAILED);

  for (ConstraintViolation<?> v : ex.getConstraintViolations()) {
    // Add all violations to the response.
    String value = ObjectUtils.ifNotNull(v.getInvalidValue(), Object::toString, "NULL");
    builder.addFieldError(v.getMessage(), v.getMessageTemplate(), printPropertyPath(v.getPropertyPath()), value);
  }

  return builder.buildResponse();
}
 

import javax.validation.ConstraintViolationException; //导入方法依赖的package包/类
@Override
public ErrorResponse toErrorResponse(ConstraintViolationException cve) {
	LOGGER.warn("a ConstraintViolationException occured", cve);

	List<ErrorData> errors = new ArrayList<>();
	for (ConstraintViolation<?> violation : cve.getConstraintViolations()) {

		ErrorDataBuilder builder = ErrorData.builder();
		builder = builder.addMetaField(META_TYPE_KEY, META_TYPE_VALUE);
		builder = builder.setStatus(String.valueOf(HttpStatus.UNPROCESSABLE_ENTITY_422));
		builder = builder.setDetail(violation.getMessage());

		builder = builder.setCode(toCode(violation));
		if (violation.getMessageTemplate() != null) {
			builder = builder.addMetaField(META_MESSAGE_TEMPLATE, violation.getMessageTemplate());
		}

		// for now we just provide root resource validation information
		// depending on bulk update spec, we might also provide the leaf information in the future
		if (violation.getRootBean() != null) {
			ResourceRef resourceRef = resolvePath(violation);
			builder = builder.addMetaField(META_RESOURCE_ID, resourceRef.getRootResourceId());
			builder = builder.addMetaField(META_RESOURCE_TYPE, resourceRef.getRootResourceType());
			builder = builder.setSourcePointer(resourceRef.getRootSourcePointer());
		}

		ErrorData error = builder.build();
		errors.add(error);
	}

	return ErrorResponse.builder().setStatus(HttpStatus.UNPROCESSABLE_ENTITY_422).setErrorData(errors).build();
}
 

import javax.validation.ConstraintViolationException; //导入方法依赖的package包/类
@ExceptionHandler(ConstraintViolationException.class)
@ResponseBody
public ErrorRes constraintViolationExceptionHandler(HttpServletResponse response, ConstraintViolationException e) {
    response.setStatus(400);
    Set<ConstraintViolation<?>> violations = e.getConstraintViolations();
    if (!violations.isEmpty()) {
        ConstraintViolation<?> violation = violations.iterator().next();
        return new ErrorRes(-1, violation.getPropertyPath().toString() + violation.getMessage());
    }
    return new ErrorRes();
}
 

import javax.validation.ConstraintViolationException; //导入方法依赖的package包/类
protected Response handleConstraintViolationException(ConstraintViolationException cve) {
    ViolationReport report = new ViolationReport();
    for (ConstraintViolation cv : cve.getConstraintViolations()) {
        report.addConstraintViolation(new RestConstraintViolation(
                cv.getPropertyPath().toString(),
                cv.getMessage(),
                cv.getInvalidValue() == null ? "null" : cv.getInvalidValue().toString()));
    }
    // TODO for now just do xml output
    return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(report).type(ContentType.TEXT_XML_UTF_8).build();
}
 

import javax.validation.ConstraintViolationException; //导入方法依赖的package包/类
@ResponseBody
@ResponseStatus(HttpStatus.OK)
@ExceptionHandler({ConstraintViolationException.class})
public Map<String, String> handleException(ConstraintViolationException e) {
  StringBuilder message = new StringBuilder();
  for (ConstraintViolation<?> s : e.getConstraintViolations()) {
    message.append(s.getMessage()).append(" ");
  }
  log.warn("参数校验失败: {}", message.toString());
  return ImmutableMap.of("code", "1911001", "message", message.toString());
}
 

import javax.validation.ConstraintViolationException; //导入方法依赖的package包/类
@Override
public Response toResponse(ConstraintViolationException exception) {
    logger.info(String.format("%s. Returning %s response.", exception, Response.Status.BAD_REQUEST));

    if (logger.isDebugEnabled()) {
        logger.debug(StringUtils.EMPTY, exception);
    }

    // start with the overall message which will be something like "Cannot create xyz"
    final StringBuilder errorMessage = new StringBuilder(exception.getMessage()).append(" - ");

    boolean first = true;
    for (final ConstraintViolation violation : exception.getConstraintViolations()) {
        if (!first) {
            errorMessage.append(", ");
        }
        first = false;

        // lastNode should end up as the field that failed validation
        Path.Node lastNode = null;
        for (final Path.Node node : violation.getPropertyPath()) {
            lastNode = node;
        }

        // append something like "xyz must not be..."
        errorMessage.append(lastNode.getName()).append(" ").append(violation.getMessage());
    }

    return Response.status(Response.Status.BAD_REQUEST).entity(errorMessage.toString()).type("text/plain").build();
}