<dependency>
<groupId>org.apache.bval</groupId>
<artifactId>bval-jsr</artifactId>
<version>${bval.version}</version>
</dependency>
ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
Validator validator = factory.getValidator();
public class User {
@NotNull
private String username;
@Size(min=6, max=15)
private String password;
// Getters and Setters
}
User user = new User();
user.setUsername("john");
user.setPassword("pass");
Set<ConstraintViolation<User>> violations = validator.validate(user);
if (!violations.isEmpty()) {
for (ConstraintViolation<User> violation : violations) {
System.out.println(violation.getMessage());
}
}
