src/main/java/org/deephacks/tools4j/cli/Validator.java
public void validateOpts(Object instance) {
        final Set<ConstraintViolation<Object>> set = validator.validate(instance);
        final StringBuilder sb = new StringBuilder();
        for (ConstraintViolation<Object> violation : set) {
            final Path path = violation.getPropertyPath();
            final String msg = violation.getMessage();
            sb.append(path.toString()).append(" ").append(msg).append(". ");
        }
        if (sb.length() > 0) {
            // is ConstraintViolationException more appropriate,
            // letting user choose their error message?
            throw new ValidationException(OPT_VIOLATION_MSG + ": " + sb.toString());
        }
    }
public void validateOpts(Object instance) {
        final Set<ConstraintViolation<Object>> set = validator.validate(instance);
        final StringBuilder sb = new StringBuilder();
        for (ConstraintViolation<Object> violation : set) {
            final Path path = violation.getPropertyPath();
            final String msg = violation.getMessage();
            sb.append(path.toString()).append(" ").append(msg).append(". ");
        }
        if (sb.length() > 0) {
            // is ConstraintViolationException more appropriate,
            // letting user choose their error message?
            throw new ValidationException(OPT_VIOLATION_MSG + ": " + sb.toString());
        }
    }
public void validateOpts ( Object instance ) { final Set < ConstraintViolation < Object > > set = validator . validate ( instance ) ; final StringBuilder sb = new StringBuilder ( ) ; for ( ConstraintViolation < Object > violation : set ) { final Path path = violation . getPropertyPath ( ) ; final String msg = violation . getMessage ( ) ; sb . append ( path . toString ( ) ) . append ( " " ) . append ( msg ) . append ( ". " ) ; } if ( sb . length ( ) > 0 ) { // is ConstraintViolationException more appropriate,
 // letting user choose their error message?
 throw new ValidationException ( OPT_VIOLATION_MSG + ": " + sb . toString ( ) ) ; } }
This method will only be called if we know that JSR 303 1.0 Bean Validation API
and compliant implementation are available on classpath.
This method will only be called if we know that JSR 303 1 . 0 Bean Validation API and compliant implementation are available on classpath .