ctf/src/main/java/com/alttd/ctf/json_config/ValidationUtil.java

package com.alttd.ctf.json_config;

import jakarta.validation.ConstraintViolation;
import jakarta.validation.Validation;
import jakarta.validation.Validator;
import jakarta.validation.ValidatorFactory;

import java.util.Set;

public class ValidationUtil {

    private static final ValidatorFactory VALIDATOR_FACTORY = Validation.buildDefaultValidatorFactory();
    private static final Validator VALIDATOR = VALIDATOR_FACTORY.getValidator();

    public static <T> void validate(T object) {
        Set<ConstraintViolation<T>> violations = VALIDATOR.validate(object);

        if (!violations.isEmpty()) {
            StringBuilder errorMessage = new StringBuilder("Validation errors:\n");
            for (ConstraintViolation<T> violation : violations) {
                errorMessage.append("- ").append(violation.getPropertyPath()).append(": ").append(violation.getMessage()).append("\n");
            }
            throw new IllegalArgumentException(errorMessage.toString());
        }
    }
}