@Component
public class DataValidator {
- private static final ValidatorFactory VALIDATOR_FACTORY = Validation.buildDefaultValidatorFactory();
+ private volatile static ValidatorFactory VALIDATOR_FACTORY;
- public <E> Set<ConstraintViolation<E>> getConstraintViolations(E classToValid){
+ public DataValidator() {
+ if (VALIDATOR_FACTORY == null) {
+ synchronized (DataValidator.class) {
+ if (VALIDATOR_FACTORY == null) {
+ VALIDATOR_FACTORY = Validation.buildDefaultValidatorFactory();
+ }
+ }
+ }
+ }
+
+ public <E> Set<ConstraintViolation<E>> getConstraintViolations(E classToValid) {
Validator validator = VALIDATOR_FACTORY.getValidator();
Set<ConstraintViolation<E>> constraintViolations = validator.validate(classToValid);
return constraintViolations;
}
- public <E> boolean isValid(E classToValid){
+ public <E> boolean isValid(E classToValid) {
Set<ConstraintViolation<E>> constraintViolations = getConstraintViolations(classToValid);
return constraintViolations.isEmpty();
}