<dependency>
<groupId>org.jboss.errai.validation</groupId>
<artifactId>errai-validation-api</artifactId>
<version>3.0.0.Final</version>
</dependency>
public class User {
@NotNull(message = "Name cannot be null")
private String name;
// getters and setters
}
Validator validator = Validation.buildDefaultValidatorFactory().getValidator();
Set<ConstraintViolation<User>> violations = validator.validate(user);
if (!violations.isEmpty()) {
} else {
}
for (ConstraintViolation<User> violation : violations) {
String errorMessage = violation.getPropertyPath().toString() + ": " + violation.getMessage();
}
