How to use

get

method

in

ucar.nc2.time.Calendar

protected Calendar readCalendar(String calendarAttribValue) {
 if (calendarAttribValue == null) {
  return Calendar.getDefault();
 }
 Calendar calendar = Calendar.get(calendarAttribValue);
 if (calendar == null) {
  errlog.format(" ** Parse error: Bad calendar name = '%s'%n", calendarAttribValue);
  logger.debug(" ** Parse error: Bad calendar name = '{}}'", calendarAttribValue);
  return Calendar.getDefault();
 }
 return calendar;
}

public static CalendarDate parseISOformatOld(String calendarName, String isoDateString) {
  // Date date = CalendarDateFormatter.parseISODate(isoDateString);
   java.util.Date date = CalendarDateFormatter.isoStringToDate(isoDateString);
  Calendar cal = Calendar.get(calendarName);
  Chronology chronology = Calendar.getChronology(cal);
  DateTime dt = new DateTime(date, chronology);
  return new CalendarDate(cal, dt);
 }

public static ucar.nc2.time.Calendar getCalendarFromAttribute(AttributeContainer atts) {
 String cal = atts.findAttValueIgnoreCase(CF.CALENDAR, null);
 if (cal == null) return null;
 return ucar.nc2.time.Calendar.get(cal);
}

/**
 * Create a CalendarDateUnit from a calendar name and a udunit string = "unit since calendarDate"
 * @param calendarName must match a calendar enum, or one of its aliases, see ucar.nc2.time.Calendar.get()
 * @param udunitString "unit since calendarDate"
 * @return CalendarDateUnit
 * @throws IllegalArgumentException if udunitString is not paresable
 */
static public CalendarDateUnit of(String calendarName, String udunitString) {
 Calendar calt = Calendar.get(calendarName);
 if (calt == null) calt = Calendar.getDefault();
 return new CalendarDateUnit(calt, udunitString);
}

public CalendarDate parse(String timeString) {
 DateTime dt = dflocal.parseDateTime(timeString);
 Calendar cal = Calendar.get(dt.getChronology().toString());
 return new CalendarDate(cal, dt);
}

public static CalendarDate parseISOformatOld(String calendarName, String isoDateString) {
  // Date date = CalendarDateFormatter.parseISODate(isoDateString);
   java.util.Date date = CalendarDateFormatter.isoStringToDate(isoDateString);
  Calendar cal = Calendar.get(calendarName);
  Chronology chronology = Calendar.getChronology(cal);
  DateTime dt = new DateTime(date, chronology);
  return new CalendarDate(cal, dt);
 }

/**
 * Get CalendarDate from ISO date string
 * @param calendarName get Calendar from Calendar.get(calendarName). may be null
 * @param isoDateString ISO date string
 * @return  CalendarDate
 */
public static CalendarDate parseISOformat(String calendarName, String isoDateString) {
 Calendar cal = Calendar.get(calendarName);
 if (cal == null) cal = Calendar.getDefault();
  return CalendarDateFormatter.isoStringToCalendarDate(cal, isoDateString);
}

public CalendarDate parse(String timeString) {
 DateTime dt = dflocal.parseDateTime(timeString);
 Calendar cal = Calendar.get(dt.getChronology().toString());
 return new CalendarDate(cal, dt);
}

/**
 * Get CalendarDate from ISO date string
 * @param calendarName get Calendar from Calendar.get(calendarName). may be null
 * @param isoDateString ISO date string
 * @return  CalendarDate
 */
public static CalendarDate parseISOformat(String calendarName, String isoDateString) {
 Calendar cal = Calendar.get(calendarName);
 if (cal == null) cal = Calendar.getDefault();
  return CalendarDateFormatter.isoStringToCalendarDate(cal, isoDateString);
}

public CalendarDate parse(String timeString) {
 DateTime dt = dflocal.parseDateTime(timeString);
 Calendar cal = Calendar.get(dt.getChronology().toString());
 return new CalendarDate(cal, dt);
}

/**
 * Create a CalendarDateUnit from a calendar name and a udunit string = "unit since calendarDate"
 * @param calendarName must match a calendar enum, or one of its aliases, see ucar.nc2.time.Calendar.get()
 * @param udunitString "unit since calendarDate"
 * @return CalendarDateUnit
 * @throws IllegalArgumentException if udunitString is not paresable
 */
static public CalendarDateUnit of(String calendarName, String udunitString) {
 Calendar calt = Calendar.get(calendarName);
 if (calt == null)
  calt = Calendar.getDefault();
 return new CalendarDateUnit(calt, udunitString);
}

public ucar.nc2.time.Calendar getCalendarFromAttribute() {
 Attribute cal = findAttribute(CF.CALENDAR);
 String s = (cal == null) ? null : cal.getStringValue();
 if (s == null) {     // default for CF and COARDS
  Attribute convention = (ncd == null) ? null : ncd.getRootGroup().findAttribute(CDM.CONVENTIONS);
  if (convention != null) {
   String hasName = convention.getStringValue();
   int version = CF1Convention.getVersion(hasName);
   if (version >= 0) {
    return Calendar.gregorian;
    //if (version < 7 ) return Calendar.gregorian;
    //if (version >= 7 ) return Calendar.proleptic_gregorian; //
   }
   if (COARDSConvention.isMine(hasName)) return Calendar.gregorian;
  }
 }
 return ucar.nc2.time.Calendar.get(s);
}

/**
 * Get CalendarDate from ISO date string
 * @param calendarName get Calendar from Calendar.get(calendarName). may be null
 * @param isoDateString ISO date string
 * @return  CalendarDate
 */
public static CalendarDate parseISOformat(String calendarName, String isoDateString) {
 Calendar cal = Calendar.get(calendarName);
 if (cal == null) cal = Calendar.getDefault();
  return CalendarDateFormatter.isoStringToCalendarDate(cal, isoDateString);
}

protected ucar.nc2.time.Calendar getCalendarFromAttribute() {
 Attribute cal = findAttribute(CF.CALENDAR);
 String s = (cal == null) ? null : cal.getStringValue();
 if (s == null) {     // default for CF and COARDS
  Attribute convention = (ncd == null) ? null : ncd.getRootGroup().findAttribute(CDM.CONVENTIONS);
  if (convention != null) {
   String hasName = convention.getStringValue();
   int version = CF1Convention.getVersion(hasName);
   if (version >= 0) {
    return Calendar.gregorian;
    //if (version < 7 ) return Calendar.gregorian;
    //if (version >= 7 ) return Calendar.proleptic_gregorian; //
   }
   if (COARDSConvention.isMine(hasName)) return Calendar.gregorian;
  }
 }
 return ucar.nc2.time.Calendar.get(s);
}

/**
 * Create a CalendarDateUnit from a calendar name and a udunit string = "unit since calendarDate"
 * @param calendarName must match a calendar enum, or one of its aliases, see ucar.nc2.time.Calendar.get()
 * @param udunitString "unit since calendarDate"
 * @return CalendarDateUnit
 * @throws IllegalArgumentException if udunitString is not paresable
 */
static public CalendarDateUnit of(String calendarName, String udunitString) {
 Calendar calt = Calendar.get(calendarName);
 if (calt == null) calt = Calendar.getDefault();
 return new CalendarDateUnit(calt, udunitString);
}

private ucar.nc2.time.Calendar getCalendarFromAttribute() {
 Attribute cal = findAttribute(CF.CALENDAR);
 String s = (cal == null) ? null : cal.getStringValue();
 if (s == null) {
  Attribute convention = (ncd == null) ? null : ncd.getRootGroup().findAttribute(CDM.CONVENTIONS);
  if (convention != null) {
   String hasName = convention.getStringValue();
   int version = CF1Convention.getVersion(hasName);
   if (version >= 0) {
    return Calendar.gregorian;
    //if (version < 7 ) return Calendar.gregorian;
    //if (version >= 7 ) return Calendar.proleptic_gregorian;
   }
   if (COARDSConvention.isMine(hasName)) return Calendar.gregorian;
  }
 }
 return ucar.nc2.time.Calendar.get(s);
}

atrCal = axis.findAttribute(CF.CALENDAR );
if(atrCal != null)
  cal = Calendar.get((String)atrCal.getValue(0) );
else
  cal = Calendar.getDefault();

Calendar cal = Calendar.get(tca.findAttributeIgnoreCase(CF.CALENDAR).getStringValue());
expected = defaultCFCalendar.toString();
found = cal.toString();

atrCal = axis.findAttribute(CF.CALENDAR );
if(atrCal != null)
  cal = Calendar.get((String)atrCal.getValue(0) );
else
  cal = Calendar.getDefault();

@Test
public void checkNCSSDatesInNetcdf() throws JDOMException, IOException {
 String endpoint = TestOnLocalServer.withHttpPath("/ncss/grid/cdmUnitTest/ncss/climatology/PF5_SST_Climatology_Monthly_1985_2001.nc?var=sst&latitude=45&longitude=-20&temporal=all&accept=netcdf");
 byte[] result = TestOnLocalServer.getContent(endpoint, 200, ContentType.netcdf);
 NetcdfFile nf = NetcdfFile.openInMemory("test_data.ncs", result);
 NetcdfDataset ds = new NetcdfDataset(nf);
 CoordinateAxis1D tAxis = (CoordinateAxis1D) ds.findCoordinateAxis("time");
 Attribute calendarAtt = tAxis.findAttribute(CF.CALENDAR);
 Calendar calendar;
 if (calendarAtt == null) {
  calendar = Calendar.getDefault();
 } else {
  calendar = Calendar.get(calendarAtt.getStringValue());
 }
 Attribute units = tAxis.findAttribute(CDM.UNITS);
 double[] values = tAxis.getCoordValues();
 System.out.printf("actual%n");
 List<String> ccdd = new ArrayList<>();
 CalendarDateUnit dateUnit = CalendarDateUnit.withCalendar(calendar, units.getStringValue());
 for (double value : values) {
  CalendarDate cd = dateUnit.makeCalendarDate(value);
  System.out.printf(" \"%s\",%n", cd);
  ccdd.add(cd.toString());
 }
 assertEquals(expectedDatesAsDateTime, ccdd);
 //FAIL!!! ???
 //CoordinateAxis1DTime tAxis2 = CoordinateAxis1DTime.factory(ds, ds.findCoordinateAxis("time") , null);
 //assertTrue(tAxis2.getCalendarDates().equals(expectedDatesAsDateTime));
}