nl.vpro.validation.HasGenreValidator Maven / Gradle / Ivy

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The basic domain classes for 'media', the core of POMS. Also, the 'update' XML bindings for it. It also contains some closely related domain classes like the enum to contain NICAM kijkwijzer settings.

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/*
 * Copyright (C) 2023 Licensed under the Apache License, Version 2.0
 * VPRO The Netherlands
 */
package nl.vpro.validation;

import lombok.extern.slf4j.Slf4j;

import java.lang.reflect.InvocationTargetException;
import java.util.Collection;

import jakarta.validation.*;

import nl.vpro.domain.media.MidIdentifiable;

/**
 * @since 7.8
 * @see HasGenre
 * @author Michiel Meeuwissen
 */
@Slf4j
public class HasGenreValidator implements ConstraintValidator {


    HasGenre annotation;

	@Override
    public void initialize(HasGenre constraintAnnotation) {
        this.annotation = constraintAnnotation;
	}

    @Override
    public boolean isValid(MidIdentifiable hasType, ConstraintValidatorContext context) {
        boolean requiresGenre = hasType != null && hasType.getMediaType() != null &&  hasType.getMediaType().requiresGenre();
        if (requiresGenre) {
            try {
                Collection genres = (Collection) hasType.getClass().getMethod("getGenres").invoke(hasType);
                return ! genres.isEmpty();
            } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
                log.warn(e.getMessage(), e);
                return false;
            }
        }
        return true;
    }


}