private SlideshowInterval defaultDate(long start, long end, Asset asset) {
   SlideshowInterval out = new SlideshowInterval();
   out.setStartDate(timestampToTimelineDate(start));
   out.setEndDate(timestampToTimelineDate(end));
   out.setHeadline("Default Content");
   out.setAsset(asset);
   return out;
 }
 private SlideshowInterval resourceScheduleToDate(ResourceSchedule schedule, Asset asset) {
   SlideshowInterval out = new SlideshowInterval();
   out.setStartDate(timestampToTimelineDate(schedule.getStartTime()));
   out.setEndDate(timestampToTimelineDate(schedule.getEndTime()));
   out.setHeadline(schedule.getName());
   out.setAsset(asset);
   return out;
 }