LocalDateTime java8 MongoDB converter (Spring Data Mongo)

applicationContext.xml

    <mongo:mongo host="${mongodb.host}" port="${mongodb.port}"/>

    <mongo:db-factory id="mongoDbFactory" dbname="${mongodb.dbname}" mongo-ref="mongo"/>

    <mongo:mapping-converter>
        <mongo:custom-converters>
            <mongo:converter>
                <bean class="LocalDateTimeToStringConverter"/>
            </mongo:converter>
            <mongo:converter>
                <bean class="StringToLocalDateTimeConverter"/>
            </mongo:converter>
        </mongo:custom-converters>
    </mongo:mapping-converter>


    <bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
        <constructor-arg name="mongoDbFactory" ref="mongoDbFactory"/>
        <constructor-arg name="mongoConverter" ref="mappingConverter"/>
    </bean>

    <mongo:repositories base-package="org.danielwojda.mypackage"/>

LocalDateTimeToStringConverter.java

import org.springframework.core.convert.converter.Converter;

import java.time.LocalDateTime;

public class LocalDateTimeToStringConverter implements Converter<LocalDateTime, String> {

    @Override
    public String convert(LocalDateTime localDateTime) {
        return localDateTime.toString();
    }
}

Period.java

@Document
public class Period {

   @Id
   public final String id;
   
   public final LocalDateTime startDate;
   public final LocalDateTime endDate;
   
   
   public Period(String id, LocalDateTime startDate, LocalDateTime endDate) {
       this.id = id;
       this.startDate = startDate;
       this.endDate = endDate;
   }

StringToLocalDateTimeConverter.java

import org.springframework.core.convert.converter.Converter;

import java.time.LocalDateTime;

public class StringToLocalDateTimeConverter implements Converter<String, LocalDateTime> {
    @Override
    public LocalDateTime convert(String s) {
        return LocalDateTime.parse(s);
    }
}