/**
* 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 desc _more_
* @param dqc _more_
* @param selService _more_
* @param service _more_
* @param selStation _more_
* @param selRegion _more_
* @param selTime _more_
*/
private DqcRadarDatasetCollection(
String desc,
QueryCapability dqc,
SelectService selService,
SelectService.ServiceChoice service,
SelectStation selStation,
SelectGeoRegion selRegion,
SelectList selTime) {
super();
// this.ds = ds;
this.desc = desc;
this.dqc = dqc;
this.selService = selService;
this.selStation = selStation;
this.selRegion = selRegion;
this.selTime = selTime;
this.service = service;
ArrayList stationList = selStation.getStations();
stations = new HashMap(stationList.size());
for (int i = 0; i < stationList.size(); i++) {
thredds.catalog.query.Station station = (thredds.catalog.query.Station) stationList.get(i);
// DqcRadarStation dd = new DqcRadarStation(station);
stations.put(station.getValue(), station);
}
ArrayList timeList = selTime.getChoices();
relTimesList = new HashMap(timeList.size());
for (int i = 0; i < timeList.size(); i++) {
thredds.catalog.query.Choice tt = (thredds.catalog.query.Choice) timeList.get(i);
relTimesList.put(tt.getValue(), tt);
}
String ql = dqc.getQuery().getUriResolved().toString();
startDate = new Date();
endDate = new Date();
try {
timeUnit = new DateUnit("hours since 1991-01-01T00:00");
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Getting data for a single radar station.
*
* @param stnName radar station name
* @param start of the time
* @param end of the time
* @return data URI list
* @throws IOException java io exception
*/
public ArrayList getRadarStationURIs(String stnName, Date start, Date end) throws IOException {
DqcRadarDatasetInfo dri = queryRadarStation(stnName, start, end);
ArrayList uList = dri.getURIList();
int size = uList.size();
ArrayList datasetsURI = new ArrayList();
for (int i = 0; i < size; i++) {
DatasetURIInfo du = (DatasetURIInfo) uList.get(i);
datasetsURI.add(du.uri);
}
return datasetsURI;
}
/**
* Getting data Iterator for a single radar station.
*
* @param stnName radar station name
* @param start of the time
* @param end of the time
* @return dataset list
* @throws IOException java io exception
*/
public ArrayList getRadarStationDatasets(String stnName, Date start, Date end)
throws IOException {
ArrayList datasetList = new ArrayList();
DqcRadarDatasetInfo dri = queryRadarStation(stnName, start, end);
ArrayList iList = dri.getInvList();
int size = iList.size();
for (int i = 0; i < size; i++) {
InvDatasetInfo iv = (InvDatasetInfo) iList.get(i);
InvDataset tdata = iv.inv;
ThreddsDataFactory tdFactory = new ThreddsDataFactory();
ThreddsDataFactory.Result result;
result = tdFactory.openFeatureDataset(tdata, null);
datasetList.add(result.featureDataset);
}
return datasetList;
}
/**
* _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);
}