Minor Currently dates are handled as String: when following the documentation, the date is not handled correctly, as a Calendar instance is returned as a String date that does not match the actual date set.
See attached test file that gives the following result, setting a Calendar value for a date in 2015, and returning a String value for a date in 1436:
1 Documents java.util.GregorianCalendar[time=?,areFieldsSet=false,areAllFieldsSet=false,lenient=true,zone=sun.util.calendar.ZoneInfo[id="Europe/Paris",offset=3600000,dstSavings=3600000,useDaylight=true,transitions=184,lastRule=java.util.SimpleTimeZone[id=Europe/Paris,offset=3600000,dstSavings=3600000,useDaylight=true,startYear=0,startMode=2,startMonth=2,startDay=-1,startDayOfWeek=1,startTime=3600000,startTimeMode=2,endMode=2,endMonth=9,endDay=-1,endDayOfWeek=1,endTime=3600000,endTimeMode=2]],firstDayOfWeek=2,minimalDaysInFirstWeek=4,ERA=?,YEAR=2015,MONTH=6,WEEK_OF_YEAR=?,WEEK_OF_MONTH=?,DAY_OF_MONTH=14,DAY_OF_YEAR=?,DAY_OF_WEEK=?,DAY_OF_WEEK_IN_MONTH=?,AM_PM=1,HOUR=0,HOUR_OF_DAY=12,MINUTE=34,SECOND=56,MILLISECOND=?,ZONE_OFFSET=?,DST_OFFSET=?] maDateValue = 1436-01-01T00:00:00.00Z End
