/**
* Getting data for a single radar station, with time range.
*
* @param sName radar station name
* @param dateSelect the date time selection information
* @param cancel _more_
* @return list of radialDatasetSweep
* @throws IOException _more_
*/
public ArrayList getData(String sName, DateSelection dateSelect, ucar.nc2.util.CancelTask cancel)
throws IOException {
if ((cancel != null) && cancel.isCancel()) {
return null;
}
DqcRadarDatasetInfo dri =
queryRadarStation(sName, dateSelect.getStartFixedDate(), dateSelect.getEndFixedDate());
ArrayList datasetList = new ArrayList();
List datasetINVs = dateSelect.apply(dri.getInvList());
Iterator it = datasetINVs.iterator();
while (it.hasNext()) {
InvDatasetInfo ifo = (InvDatasetInfo) it.next();
InvDataset tdata = ifo.inv;
ThreddsDataFactory tdFactory = new ThreddsDataFactory();
ThreddsDataFactory.Result result;
result = tdFactory.openFeatureDataset(tdata, null);
datasetList.add(result.featureDataset);
if ((cancel != null) && cancel.isCancel()) {
return null;
}
}
return datasetList;
}
/**
* get all radar station.
*
* @return List of type DqcRadarStation objects
* @throws IOException java io exception
*/
public List getRadarStations() {
List sl = selStation.getStations();
ArrayList dsl = new ArrayList();
for (Iterator it = sl.iterator(); it.hasNext(); ) {
Station s = (Station) it.next();
dsl.add(s);
}
return dsl;
}
/**
* Getting URI for a single radar station.
*
* @param stnName radar station name
* @param absTime is absolute time
* @return URI
* @throws IOException java io exception
*/
public URI getRadarDatasetURI(String stnName, Date absTime) throws IOException {
// absTime is a member of datasetsDateURI
InvDataset invdata = queryRadarStation(stnName, absTime);
/* List dsets = idata.getDatasets();
int siz = dsets.size();
if(siz != 1)
return null;
InvDataset invdata = (InvDataset)dsets.get(0); */
List acess = invdata.getAccess();
InvAccess ia = (InvAccess) acess.get(0);
URI ui = ia.getStandardUri();
if (ui == null) {
throw new IOException("Invalid time selected: " + absTime.toString() + "\n");
}
return ui;
}
/**
* get all radar station within box.
*
* @param boundingBox _more_
* @param cancel _more_
* @return List of type DqcRadarStation objects
* @throws IOException java io exception
*/
public List getStations(
ucar.unidata.geoloc.LatLonRect boundingBox, ucar.nc2.util.CancelTask cancel)
throws IOException {
List sl = selStation.getStations();
ArrayList dsl = new ArrayList();
for (Iterator it = sl.iterator(); it.hasNext(); ) {
Station s = (Station) it.next();
LatLonPointImpl latlonPt = new LatLonPointImpl();
latlonPt.set(s.getLocation().getLatitude(), s.getLocation().getLongitude());
if (boundingBox.contains(latlonPt)) {
dsl.add(s);
}
if ((cancel != null) && cancel.isCancel()) {
return null;
}
}
return dsl;
}
/**
* Getting invDataset list for a single radar station.
*
* @param stnName radar station name
* @param start of the time
* @param end of the time
* @return list of invDataset
* @throws IOException java io exception
*/
private DqcRadarDatasetInfo queryRadarStation(String stnName, Date start, Date end)
throws IOException {
// http://motherlode.ucar.edu:9080/thredds/idd/radarLevel2?returns=catalog&stn=KFTG&dtime=latest
StringBuffer queryb = new StringBuffer();
queryb.append(dqc.getQuery().getUriResolved().toString());
queryb.append("serviceType=OPENDAP");
queryb.append("&stn=" + stnName);
if ((start == null) && (end == null)) {
queryb.append("&dtime=all");
} else {
String stime = DateUtil.getTimeAsISO8601(start);
String etime = DateUtil.getTimeAsISO8601(end);
queryb.append("&dateStart=" + stime);
queryb.append("&dateEnd=" + etime);
}
URI catalogURI;
try {
catalogURI = new URI(queryb.toString());
} catch (java.net.URISyntaxException e) {
throw new IOException("** MalformedURLException on URL <" + ">\n" + e.getMessage() + "\n");
}
InvCatalogFactory factory = new InvCatalogFactory("default", false);
InvCatalogImpl catalog = (InvCatalogImpl) factory.readXML(catalogURI);
StringBuilder buff = new StringBuilder();
if (!catalog.check(buff)) {
throw new IOException("Invalid catalog <" + catalogURI + ">\n" + buff.toString());
}
List datasets = catalog.getDatasets();
InvDataset idata = (InvDataset) datasets.get(0);
// List ddate = idata.getDates();
ArrayList dsets = (ArrayList) idata.getDatasets();
ArrayList absTimeList = new ArrayList();
ArrayList dURIList = new ArrayList();
ArrayList dInvList = new ArrayList();
for (int i = 0; i < dsets.size(); i++) {
InvDataset tdata = (InvDataset) dsets.get(i);
List acess = tdata.getAccess();
List dates = tdata.getDates();
InvAccess ia = (InvAccess) acess.get(0);
URI d = ia.getStandardUri();
Date date = DateUnit.getStandardOrISO(dates.get(0).toString());
absTimeList.add(date);
dURIList.add(new DatasetURIInfo(d, date));
dInvList.add(new InvDatasetInfo(tdata, date));
}
DqcRadarDatasetInfo dri = new DqcRadarDatasetInfo(absTimeList, dURIList, dInvList);
return dri;
}
/**
* _more_
*
* @param sName _more_
* @param dateSelect _more_
* @param cancel _more_
* @return _more_
* @throws IOException _more_
*/
public ArrayList getDataURIs(
String sName, DateSelection dateSelect, ucar.nc2.util.CancelTask cancel) throws IOException {
if ((cancel != null) && cancel.isCancel()) {
return null;
}
DqcRadarDatasetInfo dri =
queryRadarStation(sName, dateSelect.getStartFixedDate(), dateSelect.getEndFixedDate());
// create a list to hold URIs
List datasetsURIs = dateSelect.apply(dri.getURIList());
ArrayList uriList = new ArrayList();
Iterator it = datasetsURIs.iterator();
while (it.hasNext()) {
DatasetURIInfo ufo = (DatasetURIInfo) it.next();
URI u = ufo.uri;
uriList.add(u);
if ((cancel != null) && cancel.isCancel()) {
return null;
}
}
return uriList;
}
/**
* Getting URI for a single radar station.
*
* @param stnName radar station name
* @param absTime is absolute time
* @return InvDataset
* @throws IOException java io exception
*/
private InvDataset queryRadarStation(String stnName, Date absTime) throws IOException {
String stime = DateUtil.getTimeAsISO8601(absTime);
// construct a query like this:
// http://motherlode.ucar.edu:9080/thredds/idd/radarLevel2?returns=catalog&stn=KFTG&dtime=latest
StringBuffer queryb = new StringBuffer();
queryb.append(dqc.getQuery().getUriResolved().toString());
queryb.append("serviceType=OPENDAP");
queryb.append("&stn=" + stnName);
queryb.append("&dtime=" + stime);
URI catalogURI;
try {
catalogURI = new URI(queryb.toString());
} catch (java.net.URISyntaxException e) {
throw new IOException("** MalformedURLException on URL <" + ">\n" + e.getMessage() + "\n");
}
InvCatalogFactory factory = new InvCatalogFactory("default", false);
InvCatalogImpl catalog = (InvCatalogImpl) factory.readXML(catalogURI);
StringBuilder buff = new StringBuilder();
if (!catalog.check(buff)) {
throw new IOException("Invalid catalog <" + catalogURI + ">\n" + buff.toString());
}
List datasets = catalog.getDatasets();
InvDataset idata = (InvDataset) datasets.get(0);
ArrayList dsets = (ArrayList) idata.getDatasets();
InvDataset tdata = (InvDataset) dsets.get(0);
return tdata;
}
/**
* _more_
*
* @param args _more_
* @throws IOException _more_
*/
public static void main(String args[]) throws IOException {
StringBuffer errlog = new StringBuffer();
String dqc_location = "http://thredds.ucar.edu/thredds/idd/radarLevel2";
DqcRadarDatasetCollection ds = factory("test", dqc_location, errlog);
System.out.println(" errs= " + errlog);
List stns = ds.getStations();
System.out.println(" nstns= " + stns.size());
Station stn = (Station) (stns.get(2));
// List ulist = stn.getRadarStationURIs();
// assert null != ulist;
Date ts1 = DateUnit.getStandardOrISO("2007-06-9T12:12:00");
Date ts2 = DateUnit.getStandardOrISO("2007-06-9T23:12:00");
List tlist = ds.getRadarStationTimes(stn.getValue(), ts1, ts2);
int sz = tlist.size();
Date ts0 = DateUnit.getStandardOrISO((String) tlist.get(1));
RadialDatasetSweep rds = ds.getRadarDataset(stn.getValue(), ts0);
URI stURL = ds.getRadarDatasetURI(stn.getValue(), ts0);
assert null != stURL;
assert 0 != sz;
DateSelection dateS = new DateSelection(ts1, ts2);
dateS.setInterval((double) 3600 * 1000);
dateS.setRoundTo((double) 3600 * 1000);
dateS.setPreRange((double) 500 * 1000);
dateS.setPostRange((double) 500 * 1000);
for (int i = 0; i < stns.size(); i++) {
stn = (Station) stns.get(i);
List times =
ds.getRadarStationTimes(
stn.getValue(),
new Date(System.currentTimeMillis() - 3600 * 1000 * 24 * 100),
new Date(System.currentTimeMillis()));
if (times.size() > 0) {
System.err.println(
stn
+ " times:"
+ times.size()
+ " "
+ times.get(0)
+ " - "
+ times.get(times.size() - 1));
} else {
System.err.println(stn + " no times");
}
}
System.exit(0);
List jList = ds.getDataURIs("KABX", dateS);
assert null != jList;
List mList = ds.getData("KABX", dateS, null);
assert null != mList;
// Date ts0 =
// DateFromString.getDateUsingCompleteDateFormat((String)tlist.get(1),"yyyy-MM-dd'T'HH:mm:ss");
Date ts = DateUnit.getStandardOrISO((String) tlist.get(1));
java.text.SimpleDateFormat isoDateTimeFormat;
isoDateTimeFormat = new java.text.SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
isoDateTimeFormat.setTimeZone(java.util.TimeZone.getTimeZone("GMT"));
String st = isoDateTimeFormat.format(ts);
}
/**
* _more_
*
* @param desc _more_
* @param dqc_location _more_
* @param errlog _more_
* @return _more_
* @throws IOException _more_
*/
public static DqcRadarDatasetCollection factory(
String desc, String dqc_location, StringBuffer errlog) throws IOException {
DqcFactory dqcFactory = new DqcFactory(true);
QueryCapability dqc = dqcFactory.readXML(dqc_location + "?returns=dqc");
if (dqc.hasFatalError()) {
errlog.append(dqc.getErrorMessages());
return null;
}
// have a look at what selectors there are before proceeding
SelectStation selStation = null;
SelectList selTime = null;
SelectService selService = null;
// SelectGeoRegion selRegion = null;
ArrayList selectors = dqc.getSelectors();
for (int i = 0; i < selectors.size(); i++) {
Selector s = (Selector) selectors.get(i);
if (s instanceof SelectStation) {
selStation = (SelectStation) s;
}
if (s instanceof SelectList) {
selTime = (SelectList) s;
}
if (s instanceof SelectService) {
selService = (SelectService) s;
}
// if (s instanceof SelectGeoRegion)
// selRegion = (SelectGeoRegion) s;
}
// gotta have these
if (selService == null) {
errlog.append("DqcStationaryRadarDataset must have Service selector");
return null;
}
if (selStation == null) {
errlog.append("DqcStationaryRadarDataset must have Station selector");
return null;
}
if (selTime == null) {
errlog.append("DqcStationaryRadarDataset must have Date selector");
return null;
}
// if (selRegion == null) {
// errlog.append("DqcStationaryRadarDataset must have GeoRegion selector");
// return null;
// }
// decide on which service
SelectService.ServiceChoice wantServiceChoice = null;
List services = selService.getChoices();
for (int i = 0; i < services.size(); i++) {
SelectService.ServiceChoice serviceChoice = (SelectService.ServiceChoice) services.get(i);
if (serviceChoice.getService().equals("HTTPServer")
&& serviceChoice.getDataFormat().equals("text/xml")) {
// && serviceChoice.getReturns().equals("data") ) // LOOK kludge
wantServiceChoice = serviceChoice;
}
}
if (wantServiceChoice == null) {
errlog.append(
"DqcStationObsDataset must have HTTPServer Service with DataFormat=text/plain, and returns=data");
return null;
}
return new DqcRadarDatasetCollection(
desc, dqc, selService, wantServiceChoice, selStation, null, selTime);
}