public static Trigger convertTriggerFromNativeObject(org.quartz.Trigger quartzTrigger) {
    Trigger spagobiTrigger;

    spagobiTrigger = new Trigger();
    spagobiTrigger.setName(quartzTrigger.getName());
    spagobiTrigger.setGroupName(quartzTrigger.getGroup());
    spagobiTrigger.setDescription(quartzTrigger.getDescription());

    // spagobiTrigger.setCalendarName( quartzTrigger.getCalendarName() );
    Assert.assertTrue(
        quartzTrigger.getCalendarName() == null,
        "quartz trigger calendar name is not null: " + quartzTrigger.getCalendarName());

    spagobiTrigger.setStartTime(quartzTrigger.getStartTime());
    spagobiTrigger.setEndTime(quartzTrigger.getEndTime());

    // triggers that run immediately have a generated name that starts with schedule_uuid_ (see
    // TriggerXMLDeserializer)
    // It would be better anyway to relay on a specific property to recognize if a trigger is
    // thinked to run immediately
    spagobiTrigger.setRunImmediately(spagobiTrigger.getName().startsWith("schedule_uuid_"));

    if (quartzTrigger instanceof org.quartz.CronTrigger) {
      org.quartz.CronTrigger quartzCronTrigger = (org.quartz.CronTrigger) quartzTrigger;
      // dirty trick
      String expression = (String) quartzCronTrigger.getJobDataMap().get(SPAGOBI_CRON_EXPRESSION);
      if (expression != null) {
        quartzCronTrigger.getJobDataMap().remove(SPAGOBI_CRON_EXPRESSION);
      } else {
        // for back compatibility
        expression =
            (String) quartzCronTrigger.getJobDataMap().get(SPAGOBI_CRON_EXPRESSION_DEPRECATED);
        quartzCronTrigger.getJobDataMap().remove(SPAGOBI_CRON_EXPRESSION_DEPRECATED);
      }
      spagobiTrigger.setCronExpression(new CronExpression(expression));
    }

    Job job = new Job();
    job.setName(quartzTrigger.getJobName());
    job.setGroupName(quartzTrigger.getJobGroup());
    job.setVolatile(quartzTrigger.isVolatile());
    Map<String, String> parameters =
        convertParametersFromNativeObject(quartzTrigger.getJobDataMap());
    job.addParameters(parameters);

    spagobiTrigger.setJob(job);

    return spagobiTrigger;
  }