private long getTime(Date start, Date end)
   {
      long total = 0;
      if (start != null && end != null)
      {
         Date startTime = DateHelper.getCanonicalTime(start);
         Date endTime = DateHelper.getCanonicalTime(end);

         Date startDay = DateHelper.getDayStartDate(start);
         Date finishDay = DateHelper.getDayStartDate(end);

         //
         // Handle the case where the end of the range is at midnight -
         // this will show up as the start and end days not matching
         //
         if (startDay.getTime() != finishDay.getTime())
         {            
            endTime = DateHelper.addDays(endTime, 1);
         }

         total = (endTime.getTime() - startTime.getTime());
      }
      return (total);
   }
private long getTime ( Date start , Date end ) { long total = 0 ; if ( start != null && end != null ) { Date startTime = DateHelper . getCanonicalTime ( start ) ; Date endTime = DateHelper . getCanonicalTime ( end ) ; Date startDay = DateHelper . getDayStartDate ( start ) ; Date finishDay = DateHelper . getDayStartDate ( end ) ; if ( startDay . getTime ( ) != finishDay . getTime ( ) ) { endTime = DateHelper . addDays ( endTime , 1 ) ; } total = ( endTime . getTime ( ) - startTime . getTime ( ) ) ; } return ( total ) ; }
Retrieves the amount of time between two date time values. Note that
these values are converted into canonical values to remove the
date component.

@param start start time
@param end end time
@return length of time