/**
* 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<InvAccess> 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;
}
/**
* _more_
*
* @param stnName _more_
* @param productID _more_
* @param absTime _more_
* @return _more_
* @throws IOException _more_
*/
public URI getRadarDatasetURI(String stnName, String productID, Date absTime) throws IOException {
// absTime is a member of datasetsDateURI
if (productID == null) {
return getRadarDatasetURI(stnName, absTime);
}
InvDataset invdata = queryRadarStation(stnName, productID, 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;
}
/**
* Getting invDataset list for a single radar station.
*
* @param stnName radar station name
* @param productID _more_
* @param start of the time
* @param end of the time
* @return list of invDataset
* @throws IOException java io exception
*/
private TDSRadarDatasetInfo queryRadarStation(
String stnName, String productID, Date start, Date end) throws IOException {
// http://motherlode.ucar.edu:9080/thredds/idd/radarLevel2?returns=catalog&stn=KFTG&dtime=latest
StringBuilder queryb = new StringBuilder();
String baseURI = dsc_location.replaceFirst("/dataset.xml", "?");
queryb.append(baseURI);
queryb.append("&stn=" + stnName);
if (productID != null) {
queryb.append("&var=" + productID);
}
if ((start == null) && (end == null)) {
queryb.append("&time=present");
} else if (end == null) {
String stime = DateUtil.getTimeAsISO8601(start).replaceAll("GMT", "");
queryb.append("&time_start=" + stime);
queryb.append("&time_end=present");
} else {
String stime = DateUtil.getTimeAsISO8601(start).replaceAll("GMT", "");
String etime = DateUtil.getTimeAsISO8601(end).replaceAll("GMT", "");
queryb.append("&time_start=" + stime);
queryb.append("&time_end=" + 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);
// visad.util.Trace.call1("TDSRadarDatasetCollection.readXML");
InvCatalogImpl catalog = (InvCatalogImpl) factory.readXML(catalogURI);
// visad.util.Trace.call2("TDSRadarDatasetCollection.readXML");
StringBuilder buff = new StringBuilder();
// visad.util.Trace.call1("TDSRadarDatasetCollection.checkCatalog");
if (!catalog.check(buff)) {
throw new IOException("Invalid catalog <" + catalogURI + ">\n" + buff.toString());
}
// visad.util.Trace.call2("TDSRadarDatasetCollection.checkCatalog");
List<InvDataset> datasets = catalog.getDatasets();
InvDataset idata = (InvDataset) datasets.get(0);
List<InvDataset> dsets = idata.getDatasets();
List<Date> absTimeList = new ArrayList<Date>();
List<DatasetURIInfo> dURIList = new ArrayList<DatasetURIInfo>();
List<InvDatasetInfo> dInvList = new ArrayList<InvDatasetInfo>();
// visad.util.Trace.call1("TDSRadarDatasetCollection.getLists");
for (InvDataset tdata : dsets) {
List<InvAccess> acess = tdata.getAccess();
List<DateType> dates = tdata.getDates();
InvAccess ia = (InvAccess) acess.get(0);
URI d = ia.getStandardUri();
Date date = ((DateType) dates.get(0)).getDate();
absTimeList.add(date);
dURIList.add(new DatasetURIInfo(d, date));
dInvList.add(new InvDatasetInfo(tdata, date));
}
// visad.util.Trace.call2("TDSRadarDatasetCollection.getLists");
TDSRadarDatasetInfo dri = new TDSRadarDatasetInfo(absTimeList, dURIList, dInvList);
return dri;
}
