/**
* get all radar station within box.
*
* @param boundingBox the bounding box
* @param cancel the cancel task
* @return List Station objects
* @throws IOException java io exception
*/
public List<Station> getStations(LatLonRect boundingBox, ucar.nc2.util.CancelTask cancel)
throws IOException {
Collection<Station> sl = stationHMap.values();
List<Station> dsl = new ArrayList<Station>();
if (!boundingBox.containedIn(radarRegion)) {
return null;
}
// for (Iterator it = sl.iterator(); it.hasNext(); ) {
// Station s = (Station) it.next();
for (Station s : sl) {
// LatLonPointImpl latlonPt = new LatLonPointImpl();
// latlonPt.set(s.getLatitude(), s.getLongitude());
// if (boundingBox.contains(latlonPt)) {
if (boundingBox.contains(s.getLatLon())) {
dsl.add(s);
}
if ((cancel != null) && cancel.isCancel()) {
return null;
}
}
return dsl;
}
public void init() throws ServletException {
super.init();
// allow = ThreddsConfig.getBoolean("NetcdfSubsetService.allow", true);
// String radarLevel2Dir = ThreddsConfig.get("NetcdfSubsetService.radarLevel2DataDir",
// "/data/ldm/pub/native/radar/level2/");
// if (!allow) return;
contentPath = ServletUtil.getContentPath();
rm = new RadarMethods(contentPath, logServerStartup);
// read in radarCollections.xml catalog
InvCatalogFactory factory = InvCatalogFactory.getDefaultFactory(false); // no validation
cat = readCatalog(factory, getPath() + catName, contentPath + getPath() + catName);
if (cat == null) {
logServerStartup.info("cat initialization failed");
return;
}
// URI tmpURI = cat.getBaseURI();
cat.setBaseURI(catURI);
// get path and location from cat
List parents = cat.getDatasets();
for (int i = 0; i < parents.size(); i++) {
InvDataset top = (InvDataset) parents.get(i);
datasets = top.getDatasets(); // dataset scans
for (int j = 0; j < datasets.size(); j++) {
InvDatasetScan ds = (InvDatasetScan) datasets.get(j);
if (ds.getPath() != null) {
dataLocation.put(ds.getPath(), ds.getScanLocation());
logServerStartup.info("path =" + ds.getPath() + " location =" + ds.getScanLocation());
}
ds.setXlinkHref(ds.getPath() + "/dataset.xml");
}
}
logServerStartup.info(getClass().getName() + " initialization complete ");
} // end init
/**
* retrieve all radar stations in this dataset collection
*
* @param stsXML_location _more_
* @return station hashmap
* @throws IOException _more_
*/
public HashMap<String, Station> readRadarStations(String stsXML_location) throws IOException {
SAXBuilder builder;
Document doc = null;
XMLEntityResolver jaxp = new XMLEntityResolver(true);
builder = jaxp.getSAXBuilder();
HashMap<String, Station> stations = new HashMap<String, Station>();
try {
doc = builder.build(stsXML_location);
} catch (JDOMException e) {
e.printStackTrace();
}
Element rootElem = doc.getRootElement();
List<Element> children = rootElem.getChildren();
for (Element child : children) {
Station s;
if (null != (s = readStation(child))) {
stations.put(s.getName(), s);
}
}
return stations;
}
private void datasetInfoXml(RadarType radarType, String pathInfo, PrintWriter pw)
throws IOException {
try {
pw.println(
"<catalog xmlns=\"http://www.unidata.ucar.edu/namespaces/thredds/InvCatalog/v1.0\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" name=\"Radar Data\" version=\"1.0.1\">\n");
// add service
pw.println(
" <service name=\"radarServer\" base=\"/thredds/radarServer/\" serviceType=\"DQC\" />\n");
pathInfo = pathInfo.replace("/dataset.xml", "");
pathInfo = pathInfo.replace("/catalog.xml", "");
if (pathInfo.startsWith("/")) pathInfo = pathInfo.substring(1);
for (int i = 0; i < datasets.size(); i++) {
InvDatasetScan ds = (InvDatasetScan) datasets.get(i);
if (!(pathInfo.equals(ds.getPath()))) {
continue;
}
pw.println(" <dataset ID=\"" + ds.getID() + "\" serviceName=\"radarServer\">");
pw.println(" <urlpath>" + ds.getPath() + "</urlpath>");
pw.println(" <dataType>" + ds.getDataType() + "</dataType>");
pw.println(" <dataFormat>" + ds.getDataFormatType() + "</dataFormat>");
pw.println(" <serviceName>radarServer</serviceName>");
pw.println(" <metadata inherited=\"true\">");
pw.println(" <documentation type=\"summary\">" + ds.getSummary() + "</documentation>");
CalendarDateRange dr = ds.getCalendarDateCoverage();
pw.println(" <TimeSpan>");
pw.print(" <start>");
if (pathInfo.contains("IDD")) {
pw.print(rm.getStartDateTime(ds.getPath()));
} else {
pw.print(dr.getStart().toString());
}
pw.println("</start>");
pw.println(" <end>" + dr.getEnd().toString() + "</end>");
pw.println(" </TimeSpan>");
ThreddsMetadata.GeospatialCoverage gc = ds.getGeospatialCoverage();
LatLonRect bb = new LatLonRect();
gc.setBoundingBox(bb);
pw.println(" <LatLonBox>");
pw.println(" <north>" + gc.getLatNorth() + "</north>");
pw.println(" <south>" + gc.getLatSouth() + "</south>");
pw.println(" <east>" + gc.getLonEast() + "</east>");
pw.println(" <west>" + gc.getLonWest() + "</west>");
pw.println(" </LatLonBox>");
ThreddsMetadata.Variables cvs = (ThreddsMetadata.Variables) ds.getVariables().get(0);
List vl = cvs.getVariableList();
pw.println(" <Variables>");
for (int j = 0; j < vl.size(); j++) {
ThreddsMetadata.Variable v = (ThreddsMetadata.Variable) vl.get(j);
pw.println(
" <variable name=\""
+ v.getName()
+ "\" vocabulary_name=\""
+ v.getVocabularyName()
+ "\" units=\""
+ v.getUnits()
+ "\" />");
}
pw.println(" </Variables>");
String[] stations = rm.stationsDS(radarType, dataLocation.get(ds.getPath()));
rm.printStations(stations, pw, radarType);
pw.println(" </metadata>");
pw.println(" </dataset>");
}
pw.println("</catalog>");
pw.flush();
} catch (Throwable e) {
log.error("RadarServer.datasetInfoXml", e);
}
return;
}