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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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package nl.vpro.validation;

import java.util.regex.Pattern;

import jakarta.validation.ConstraintValidator;
import jakarta.validation.ConstraintValidatorContext;

/**
 * @author Michiel Meeuwissen
 * @since 3.3
 */
public class ReleaseDateValidator implements ConstraintValidator  {
    static final Pattern YEAR_ONLY = Pattern.compile("[1-9]\\d{3}");

    @Override
    public boolean isValid(String date, ConstraintValidatorContext constraintValidatorContext){
        return date == null || YEAR_ONLY.matcher(date).matches();
    }
}