LocalDateConverter.java

package net.unit8.occupypub.converter;

import javax.persistence.AttributeConverter;
import javax.persistence.Converter;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.Date;

/**
 * @author kawasima
 */
@Converter(autoApply = true)
public class LocalDateConverter implements AttributeConverter<LocalDate, Date> {
    @Override
    public Date convertToDatabaseColumn(LocalDate localDate) {
        return new Date(localDate.atStartOfDay().atZone(ZoneId.systemDefault()).toInstant().toEpochMilli());
    }

    @Override
    public LocalDate convertToEntityAttribute(Date date) {
        return LocalDateTime.ofInstant(date.toInstant(), ZoneId.systemDefault()).toLocalDate();
    }
}