/**
* 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 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;
}
private void level2level3catalog(
RadarType radarType,
String pathInfo,
PrintWriter pw,
HttpServletRequest req,
HttpServletResponse res)
throws IOException {
try {
String type;
if (pathInfo.contains("level2")) type = radarType.toString() + "/level2";
else type = radarType.toString() + "/level3";
ByteArrayOutputStream os = new ByteArrayOutputStream(10000);
InvCatalogFactory factory = InvCatalogFactory.getDefaultFactory(false);
factory.writeXML(cat, os, true);
InvCatalogImpl tCat = factory.readXML(new ByteArrayInputStream(os.toByteArray()), catURI);
Iterator parents = tCat.getDatasets().iterator();
while (parents.hasNext()) {
ArrayList<InvDatasetImpl> delete = new ArrayList<InvDatasetImpl>();
InvDatasetImpl top = (InvDatasetImpl) parents.next();
Iterator tDatasets = top.getDatasets().iterator();
while (tDatasets.hasNext()) {
InvDatasetImpl ds = (InvDatasetImpl) tDatasets.next();
if (ds instanceof InvDatasetScan) {
InvDatasetScan ids = (InvDatasetScan) ds;
if (ids.getPath() == null) continue;
if (ids.getPath().contains(type)) {
ids.setXlinkHref(ids.getPath() + "/dataset.xml");
} else {
delete.add(ds);
}
}
}
// remove datasets
for (InvDatasetImpl idi : delete) {
top.removeDataset(idi);
}
}
if (pathInfo.endsWith("xml")) {
String catAsString = factory.writeXML(tCat);
pw.println(catAsString);
pw.flush();
} else {
HtmlWriter.getInstance().writeCatalog(req, res, tCat, true); // show catalog as HTML
}
} catch (Throwable e) {
log.error("RadarServer.level2level3catalog failed", e);
if (!res.isCommitted()) res.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
return;
}
/**
* 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;
}
/**
* 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;
}
/**
* _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 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();
}
}
/**
* _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);
}
