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
/**
* 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 URI for a single radar station.
*
* @param stnName radar station name
* @param productID _more_
* @param absTime is absolute time
* @return InvDataset
* @throws IOException java io exception
*/
private InvDataset queryRadarStation(String stnName, String productID, Date absTime)
throws IOException {
String stime = DateUtil.getTimeAsISO8601(absTime).replaceAll("GMT", "");
// construct a query like this:
// 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 (absTime == null) {
queryb.append("&time=present");
} else {
queryb.append("&time=" + 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);
// visad.util.Trace.call1("TDSRadarDatasetCollection.readXML");
InvCatalogImpl catalog = (InvCatalogImpl) factory.readXML(catalogURI);
// visad.util.Trace.call2("TDSRadarDatasetCollection.readXML");
// visad.util.Trace.call1("TDSRadarDatasetCollection.checkCatalog");
StringBuilder buff = new StringBuilder();
if (!catalog.check(buff)) {
throw new IOException("Invalid catalog <" + catalogURI + ">\n" + buff.toString());
}
// visad.util.Trace.call2("TDSRadarDatasetCollection.checkCatalog");
// catalog.writeXML(System.out); // debugg
List<InvDataset> datasets = catalog.getDatasets();
InvDataset idata = (InvDataset) datasets.get(0);
List<InvDataset> dsets = idata.getDatasets();
InvDataset tdata = (InvDataset) dsets.get(0);
return tdata;
}
/**
* 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;
}
/**
* 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;
}