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
/**
* get the number of products
*
* @param sName _more_
* @return _more_
*/
public int getStationProductCount(String sName) {
return radarProducts.size();
}
/**
* Test the program
*
* @param args the args
* @throws IOException _more_
*/
public static void main(String args[]) throws IOException {
StringBuffer errlog = new StringBuffer();
String ds_location = null;
TDSRadarDatasetCollection dsc = null;
List stns = null;
ds_location =
// "http://localhost:8080/thredds/radarServer/nexrad/level3/CCS039/dataset.xml";
// "http://motherlode.ucar.edu:8081/thredds/radarServer/nexrad/level3/CCS039/dataset.xml";
"http://thredds.ucar.edu/thredds/radarServer/nexrad/level3/CCS039/dataset.xml";
dsc = TDSRadarDatasetCollection.factory("test", ds_location, errlog);
System.out.println(" errs= " + errlog);
stns = dsc.getStations();
System.out.println(" nstns= " + stns.size());
// System.exit(0);
stns = dsc.getStations();
System.out.println(" nstns= " + stns.size());
Station stn = dsc.getRadarStation("DVN"); // (StationImpl)stns.get(12);
System.out.println("stn = " + stn);
// List ulist = stn.getRadarStationURIs();
// assert null != ulist;
List tl = dsc.getRadarTimeSpan();
Date ts1 = DateUnit.getStandardOrISO("1998-06-28T01:01:21Z");
Date ts2 = DateUnit.getStandardOrISO("1998-07-30T19:01:21Z");
List pd = dsc.getRadarProducts();
List<Date> tlist = dsc.getRadarStationTimes(stn.getName(), "BREF1", ts1, ts2);
int sz = tlist.size();
for (int i = 0; i < 3; i++) {
Date ts0 = (Date) tlist.get(i);
RadialDatasetSweep rds = dsc.getRadarDataset(stn.getName(), "BREF1", ts0);
int tt = 0;
}
Date ts0 = (Date) tlist.get(0);
URI stURL = dsc.getRadarDatasetURI(stn.getName(), "BREF1", ts0);
assert null != stURL;
DateSelection dateS = new DateSelection(ts1, ts2);
dateS.setInterval((double) 3600 * 1000);
dateS.setRoundTo((double) 3600 * 1000);
dateS.setPreRange((double) 500 * 1000);
dateS.setPostRange((double) 500 * 1000);
for (int i = 0; i < stns.size(); i++) {
stn = (Station) stns.get(i);
List<Date> times =
dsc.getRadarStationTimes(
stn.getName(),
"BREF1",
new Date(System.currentTimeMillis() - 3600 * 1000 * 24 * 100),
new Date(System.currentTimeMillis()));
if (times.size() > 0) {
System.err.println(
stn
+ " times:"
+ times.size()
+ " "
+ times.get(0)
+ " - "
+ times.get(times.size() - 1));
} else {
System.err.println(stn + " no times");
}
}
Date ts = (Date) tlist.get(1);
java.text.SimpleDateFormat isoDateTimeFormat;
isoDateTimeFormat = new java.text.SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
isoDateTimeFormat.setTimeZone(java.util.TimeZone.getTimeZone("GMT"));
String st = isoDateTimeFormat.format(ts);
}
/**
* _more_
*
* @param args _more_
* @throws IOException _more_
*/
public static void main(String args[]) throws IOException {
StringBuffer errlog = new StringBuffer();
String dqc_location = "http://thredds.ucar.edu/thredds/idd/radarLevel2";
DqcRadarDatasetCollection ds = factory("test", dqc_location, errlog);
System.out.println(" errs= " + errlog);
List stns = ds.getStations();
System.out.println(" nstns= " + stns.size());
Station stn = (Station) (stns.get(2));
// List ulist = stn.getRadarStationURIs();
// assert null != ulist;
Date ts1 = DateUnit.getStandardOrISO("2007-06-9T12:12:00");
Date ts2 = DateUnit.getStandardOrISO("2007-06-9T23:12:00");
List tlist = ds.getRadarStationTimes(stn.getValue(), ts1, ts2);
int sz = tlist.size();
Date ts0 = DateUnit.getStandardOrISO((String) tlist.get(1));
RadialDatasetSweep rds = ds.getRadarDataset(stn.getValue(), ts0);
URI stURL = ds.getRadarDatasetURI(stn.getValue(), ts0);
assert null != stURL;
assert 0 != sz;
DateSelection dateS = new DateSelection(ts1, ts2);
dateS.setInterval((double) 3600 * 1000);
dateS.setRoundTo((double) 3600 * 1000);
dateS.setPreRange((double) 500 * 1000);
dateS.setPostRange((double) 500 * 1000);
for (int i = 0; i < stns.size(); i++) {
stn = (Station) stns.get(i);
List times =
ds.getRadarStationTimes(
stn.getValue(),
new Date(System.currentTimeMillis() - 3600 * 1000 * 24 * 100),
new Date(System.currentTimeMillis()));
if (times.size() > 0) {
System.err.println(
stn
+ " times:"
+ times.size()
+ " "
+ times.get(0)
+ " - "
+ times.get(times.size() - 1));
} else {
System.err.println(stn + " no times");
}
}
System.exit(0);
List jList = ds.getDataURIs("KABX", dateS);
assert null != jList;
List mList = ds.getData("KABX", dateS, null);
assert null != mList;
// Date ts0 =
// DateFromString.getDateUsingCompleteDateFormat((String)tlist.get(1),"yyyy-MM-dd'T'HH:mm:ss");
Date ts = DateUnit.getStandardOrISO((String) tlist.get(1));
java.text.SimpleDateFormat isoDateTimeFormat;
isoDateTimeFormat = new java.text.SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
isoDateTimeFormat.setTimeZone(java.util.TimeZone.getTimeZone("GMT"));
String st = isoDateTimeFormat.format(ts);
}
/**
* _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);
}
private void datasetInfoHtml(
RadarType radarType, String pathInfo, PrintWriter pw, HttpServletResponse res)
throws IOException {
pathInfo = pathInfo.replace("/dataset.html", "");
pathInfo = pathInfo.replace("/catalog.html", "");
Element root = new Element("RadarNexrad");
Document doc = new Document(root);
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;
}
// at this point a valid dataset
// fix the location
root.setAttribute("location", "/thredds/radarServer/" + ds.getPath());
// spatial range
ThreddsMetadata.GeospatialCoverage gc = ds.getGeospatialCoverage();
LatLonRect bb = new LatLonRect();
gc.setBoundingBox(bb);
String north = Double.toString(gc.getLatNorth());
String south = Double.toString(gc.getLatSouth());
String east = Double.toString(gc.getLonEast());
String west = Double.toString(gc.getLonWest());
Element LatLonBox = new Element("LatLonBox");
LatLonBox.addContent(new Element("north").addContent(north));
LatLonBox.addContent(new Element("south").addContent(south));
LatLonBox.addContent(new Element("east").addContent(east));
LatLonBox.addContent(new Element("west").addContent(west));
root.addContent(LatLonBox);
// get the time range
Element timeSpan = new Element("TimeSpan");
CalendarDateRange dr = ds.getCalendarDateCoverage();
timeSpan.addContent(new Element("begin").addContent(dr.getStart().toString()));
timeSpan.addContent(new Element("end").addContent(dr.getEnd().toString()));
root.addContent(timeSpan);
ThreddsMetadata.Variables cvs = (ThreddsMetadata.Variables) ds.getVariables().get(0);
List vl = cvs.getVariableList();
for (int j = 0; j < vl.size(); j++) {
ThreddsMetadata.Variable v = (ThreddsMetadata.Variable) vl.get(j);
Element variable = new Element("variable");
variable.setAttribute("name", v.getName());
root.addContent(variable);
}
// add pointer to the station list XML
/*
Element stnList = new Element("stationList");
stnList.setAttribute("title", "Available Stations", XMLEntityResolver.xlinkNS);
stnList.setAttribute("href", "/thredds/radarServer/"+ pathInfo +"/stations.xml",
XMLEntityResolver.xlinkNS);
root.addContent(stnList);
*/
// String[] stations = rns.stationsDS( dataLocation.get( ds.getPath() ));
// rns.printStations( stations );
// add accept list
Element a = new Element("AcceptList");
a.addContent(new Element("accept").addContent("xml"));
a.addContent(new Element("accept").addContent("html"));
root.addContent(a);
}
ServerMethods sm = new ServerMethods(log);
InputStream xslt = sm.getInputStream(contentPath + getPath() + "radar.xsl", RadarServer.class);
try {
// what's wrong here xslt = getXSLT( "radar.xsl" );
XSLTransformer transformer = new XSLTransformer(xslt);
Document html = transformer.transform(doc);
XMLOutputter fmt = new XMLOutputter(Format.getPrettyFormat());
String infoString = fmt.outputString(html);
res.setContentType("text/html; charset=iso-8859-1");
pw = res.getWriter();
pw.println(infoString);
pw.flush();
} catch (Exception e) {
log.error("radarServer reading " + contentPath + getPath() + "radar.xsl");
log.error("radarServer XSLTransformer problem for web form ", e);
} finally {
if (xslt != null) {
try {
xslt.close();
} catch (IOException e) {
log.error("radarServer radar.xsl: error closing" + contentPath + getPath() + "radar.xsl");
}
}
}
return;
}
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;
}
