Does your project use 99999 different timestamp types? Join my masochism!

JodaConversionImplicits.scala

import org.joda.time.{ LocalDateTime => JodaLocalDateTime }
import java.time.{ LocalDateTime => JavaLocalDateTime }

object JodaConversionImplicits {
  implicit class JodaLocalDateTimeExtensions(val timestamp: JodaLocalDateTime) {
    def toJavaLocalDateTime: JavaLocalDateTime = new JavaLocalDateTime(
      timestamp.getYear,
			timestamp.getMonthOfYear,
			timestamp.getDayOfMonth,
			timestamp.getHourOfDay,
			timestamp.getMinuteOfHour,
			timestamp.getSecondOfMinute,
      // 10^-3 -> 10^-9, it's not a magic number, promise!
      timestamp.getMillisOfSecond * 1000000
    )
  }
}