Is there any configuration necessary to use Hibernate Validation custom messages

Question

I'm using the following class to validate my beans with Hibernate Validation. It works great. It's basically the listener found here for JPA 1, converted to use to validate beans in my Spring controllers. I'm attempting to customize the messages returned. This and every other resource I can find say to just put a ValidationMessages.properties file in the Web-Inf directory. This file is also included below. This is not working. Any suggestions?

public class BeanValidationTool {

    public void validate(Object entity) {
        TraversableResolver tr = new MyTraversableResolver();
        Validator validator = Validation.buildDefaultValidatorFactory().usingContext().traversableResolver(tr).getValidator();
        final Set<ConstraintViolation<Object>> constraintViolations = validator.validate(entity);
        if (constraintViolations.size() > 0) {
          Set<ConstraintViolation<?>> propagatedViolations = new HashSet<ConstraintViolation<?>>(constraintViolations.size());
          Set<String> classNames = new HashSet<String>();
            for (ConstraintViolation<?> violation : constraintViolations) {
              propagatedViolations.add(violation);
              classNames.add(violation.getLeafBean().getClass().getName());
            }
            StringBuilder builder = new StringBuilder();
            builder.append("validation failed for classes ");
            builder.append(classNames);
            throw new ConstraintViolationException(builder.toString(), propagatedViolations);
        }
    }

    public class MyTraversableResolver  implements TraversableResolver {

        public boolean isReachable(Object traversableObject, Path.Node traversableProperty, Class<?> rootBeanType, Path pathToTraversableObject, ElementType elementType) {
            return traversableObject == null || Hibernate.isInitialized(traversableObject);
        }

        public boolean isCascadable(Object traversableObject, Path.Node traversableProperty, Class<?> rootBeanType, Path pathToTraversableObject, ElementType elementType) {
            return true;
        }
    }
  }`

ValidationMessages.properties file

validator.min = must be greater than or equal to {value}

validator.notEmpty = This field can't be empty

MatBanik · Accepted Answer · 2011-01-07 19:47:00Z

1

You have to define messageSource in your application context:

<bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource" abstract="false"
      scope="singleton" lazy-init="default">
    <property name="basename" value="ValidationMessages"/>
</bean>

Than you just use the bean to retrieve the messages:

@Autowired
private MessageSource messageSource;

public String getMessage(String messageName) {
    return messageSource.getMessage(messageName, null, null);
}

In order to access the beans in context you will have to do this as well:

@Component
public class BeanValidationTool{...

answered Jan 7, 2011 at 19:47

MatBanik

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1 Comment

coder Over a year ago

This is a great description of how to set up custom messages in Spring but, maybe my understanding is limited, I think that in order to customize Hibernate Validator messages specifically, that I should not have to use a bean. Instead the values should be substituted automatically and be returned when the validate method is called.

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