/*
* Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
* Access and use of this software shall impose the following obligations
* and understandings on the user. The user is granted the right, without
* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
* documentation for any purpose whatsoever, provided that this entire
* notice appears in all copies of the software, derivative works and
* supporting documentation. Further, UCAR requests that the user credit
* UCAR/Unidata in any publications that result from the use of this
* software or in any product that includes this software. The names UCAR
* and/or Unidata, however, may not be used in any advertising or publicity
* to endorse or promote any products or commercial entity unless specific
* written permission is obtained from UCAR/Unidata. The user also
* understands that UCAR/Unidata is not obligated to provide the user with
* any support, consulting, training or assistance of any kind with regard
* to the use, operation and performance of this software nor to provide
* the user with any updates, revisions, new versions or "bug fixes."
*
* THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package ucar.nc2.thredds;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.Namespace;
import org.jdom.input.SAXBuilder;
import thredds.catalog.*;
import ucar.nc2.dt.DataIterator;
import ucar.nc2.dt.RadialDatasetSweep;
import ucar.nc2.dt.radial.StationRadarCollectionImpl;
import ucar.nc2.units.DateType;
import ucar.nc2.units.DateUnit;
import ucar.unidata.geoloc.LatLonPointImpl;
import ucar.unidata.geoloc.LatLonRect;
import ucar.unidata.geoloc.Station;
import ucar.unidata.geoloc.StationImpl;
import ucar.unidata.util.DateSelection;
import ucar.unidata.util.DateUtil;
import ucar.unidata.util.DatedThing;
import ucar.unidata.util.Product;
import java.io.IOException;
import java.net.URI;
import java.util.*;
/**
* Client side for getting data from the TDS radar server.
* @author yuan
*/
public class TDSRadarDatasetCollection extends StationRadarCollectionImpl {
/** map of station name to station */
protected HashMap<String, Station> stationHMap;
/** radar time span */
private List<String> radarTimeSpan;
/** radar region */
private LatLonRect radarRegion;
/** _more_ */
private String dsc_location;
/** radar products */
private List<Product> radarProducts;
/** _more_ */
private String summary;
/** _more_ */
protected static final Namespace defNS =
Namespace.getNamespace(
thredds.catalog.XMLEntityResolver.DQC_NAMESPACE_04);
/** the original document URI */
private URI docURI;
/**
* tds radar dataset collection factory
*
* @param ds _more_
* @param dsc_location _more_
* @param errlog _more_
*
* @return any foctory
*
* @throws IOException _more_
* @throws java.net.URISyntaxException _more_
*/
static public TDSRadarDatasetCollection factory(InvDataset ds,
String dsc_location, StringBuffer errlog)
throws IOException, java.net.URISyntaxException {
// URI catalogURI = new URI(dsc_location);
//this.docURI = catalogURI;
return factory(ds.getDocumentation("summary"), dsc_location, errlog);
}
/**
* tds radar dataset collection factory
*
* @param desc _more_
* @param dsc_location _more_
* @param errlog _more_
*
* @return dataset collection
*
* @throws IOException _more_
*/
static public TDSRadarDatasetCollection factory(String desc,
String dsc_location, StringBuffer errlog)
throws IOException {
// super();
SAXBuilder builder;
Document doc = null;
XMLEntityResolver jaxp = new XMLEntityResolver(true);
builder = jaxp.getSAXBuilder();
try {
doc = builder.build(dsc_location);
} catch (JDOMException e) {
errlog.append(e.toString());
}
Element qcElem = doc.getRootElement();
Namespace ns = qcElem.getNamespace();
return new TDSRadarDatasetCollection(desc, dsc_location, qcElem, ns,
errlog);
}
/**
* initiate a new TDS radar dataset collection object
*
* @param desc description
* @param dsc_location location of dataset
* @param elem dataset root element
* @param ns dataset namespace
* @param errlog error log
*
* @throws IOException _more_
*/
private TDSRadarDatasetCollection(String desc, String dsc_location,
Element elem, Namespace ns,
StringBuffer errlog)
throws IOException {
super();
Element serviceElem = readElements(elem, "service");
Element dsElem = readElements(elem, "dataset");
Element metaElem = readElements(dsElem, "metadata");
// HashMap stationHMap = readSelectStations(metaElem, ns);
String sts = dsc_location.replaceFirst("dataset.xml", "stations.xml");
HashMap<String,Station> stationHMap = readRadarStations(sts);
LatLonRect radarRegion = readSelectRegion(metaElem, ns);
List<String> radarTimeSpan = readSelectTime(metaElem, ns);
List<Product> productList = readSelectVariable(metaElem, ns);
String summary = readSelectDocument(metaElem, ns);
// gotta have these
if (stationHMap == null) {
errlog.append(
"TDSRadarDatasetCollection must have station selected");
return;
}
if (radarRegion == null) {
errlog.append(
"TDSRadarDatasetCollection must have region selected");
return;
}
if (radarTimeSpan == null) {
errlog.append(
"TDSRadarDatasetCollection must have time span selected");
return;
}
this.desc = desc;
this.dsc_location = dsc_location;
this.radarProducts = productList;
this.summary = summary;
this.stationHMap = stationHMap;
this.radarRegion = radarRegion;
this.radarTimeSpan = radarTimeSpan;
this.startDate =
DateUnit.getStandardOrISO((String) radarTimeSpan.get(0));
this.endDate =
DateUnit.getStandardOrISO((String) radarTimeSpan.get(1));
try {
timeUnit = new DateUnit("hours since 1991-01-01T00:00");
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 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;
}
/**
* get named element from parent element
*
*
* @param elem _more_
* @param eleName _more_
* @return _more_
*/
public Element readElements(Element elem, String eleName) {
List<Element> children = elem.getChildren();
for (Element child : children) {
String childName = child.getName();
if (childName.equals(eleName)) {
return child;
}
}
return null;
}
/**
* get station object from parent element
*
*
* @param elem _more_
* @return stationImpl
*/
private Station readStation(Element elem) {
// look for stations
String name = elem.getAttributeValue("id");
//latitude
Element desc = elem.getChild("name");
String descv = desc.getValue();
Element lat = elem.getChild("latitude");
String latv = lat.getValue();
Element lon = elem.getChild("longitude");
String lonv = lon.getValue();
Element alt = elem.getChild("elevation");
String altv = alt.getValue();
StationImpl station = new StationImpl(name, descv, "",
Double.parseDouble(latv),
Double.parseDouble(lonv),
Double.parseDouble(altv));
return station;
}
/**
* get region from parent element
*
*
* @param elem _more_
* @param ns _more_
* @return _more_
*/
public LatLonRect readSelectRegion(Element elem, Namespace ns) {
Element region = elem.getChild("LatLonBox", ns);
//lat, lon
Element north = region.getChild("north", ns);
String nv = north.getValue();
Element south = region.getChild("south", ns);
String sv = south.getValue();
Element east = region.getChild("east", ns);
String ev = east.getValue();
Element west = region.getChild("west", ns);
String wv = west.getValue();
LatLonPointImpl p1 = new LatLonPointImpl(Double.valueOf(sv),
Double.valueOf(wv));
LatLonPointImpl p2 = new LatLonPointImpl(Double.valueOf(nv),
Double.valueOf(ev));
LatLonRect llr = new LatLonRect(p1, p2);
return llr;
}
/**
* get start and end elemnt form parent element
*
*
* @param elem _more_
* @param ns _more_
* @return list of times
*/
public List<String> readSelectTime(Element elem, Namespace ns) {
// look for stations
Element region = elem.getChild("TimeSpan", ns);
java.util.List regionInfo = region.getChildren();
//lat, lon
Element start = region.getChild("start", ns);
String sv = start.getValue();
Element end = region.getChild("end", ns);
String ev = end.getValue();
List<String> ll = new ArrayList<String>();
ll.add(sv);
ll.add(ev);
return ll;
}
/**
* get variable list from parent element
*
*
* @param elem _more_
* @param ns _more_
* @return list of varibles
*/
public List<Product> readSelectVariable(Element elem, Namespace ns) {
// look for stations
List<Product> varlist = new ArrayList<Product>();
Element v = elem.getChild("Variables", ns);
List<Element> varInfo = v.getChildren();
for (Element p : varInfo) {
Product s;
String id = p.getAttributeValue("name");
if (id.contains("/")) {
String c[] = id.split("/");
s = new Product(c[0], c[1]);
varlist.add(s);
} else {
String name = p.getAttributeValue("vocabulary_name");
s = new Product(id, name);
varlist.add(s);
}
}
return varlist;
}
/**
* get document from parent element
*
*
* @param elem _more_
* @param ns _more_
* @return _more_
*/
private String readSelectDocument(Element elem, Namespace ns) {
Element doc = elem.getChild("documentation", ns);
return doc.getValue();
}
/**
* _more_
*/
protected void setTimeUnits() {}
/**
* _more_
*/
protected void setStartDate() {}
/**
* _more_
*/
protected void setEndDate() {}
/**
* _more_
*/
protected void setBoundingBox() {}
/**
* get title of dataset collection
*
* @return _more_
*/
public String getTitle() {
return this.summary;
}
/**
* get dataset collection URI
*
* @return _more_
*/
public String getLocation() {
return this.dsc_location;
}
/**
* get dataset collection description
*
* @return _more_
*/
public String getDescription() {
return desc;
}
/**
* get bounding box of dataset collection
*
* @return _more_
*/
public LatLonRect getRadarsBoundingBox() {
return radarRegion;
}
/**
* get start and end time of dataset collection
*
* @return _more_
*/
public List<String> getRadarTimeSpan() {
return this.radarTimeSpan;
}
/**
* get products of dataset collection
*
* @return _more_
*/
public List<Product> getRadarProducts() {
return this.radarProducts;
}
/**
* check the exist of a product in this dataset collection
*
* @param sName _more_
* @param product _more_
*
* @return _more_
*/
public boolean checkStationProduct(String sName, Product product) {
for (Product s : radarProducts) {
if (s.equals(product)) {
return true;
}
}
return false;
}
/**
* check the exist of a product in this dataset collection
*
* @param product _more_
*
* @return _more_
*/
public boolean checkStationProduct(Product product) {
return checkStationProduct(null, product);
}
/**
* get the number of products
*
* @param sName _more_
*
* @return _more_
*/
public int getStationProductCount(String sName) {
return radarProducts.size();
}
/**
* get all radar station.
* @return List of type Station objects
* @throws IOException java io exception
*/
public List<Station> getStations() throws IOException {
return getRadarStations();
}
/**
* get all radar station.
* @return List of type Station objects
*/
public List<Station> getRadarStations() {
List<Station> slist = new ArrayList<Station>();
Iterator it = this.stationHMap.values().iterator();
while (it.hasNext()) {
slist.add((Station) it.next());
}
return slist;
}
/**
* get one radar station.
*
* @param sName _more_
* @return Station object
*/
public Station getRadarStation(String sName) {
return this.stationHMap.get(sName);
}
/**
* get all radar station within box.
*
* @param cancel cancel task
* @return List of type Station objects
* @throws IOException java io exception
*/
public List<Station> getStations(ucar.nc2.util.CancelTask cancel)
throws IOException {
return getStations(null, cancel);
}
/**
* get all radar station within box.
*
* @param boundingBox the bounding box
* @return List of type Station objects
* @throws IOException java io exception
*/
public List<Station> getStations(LatLonRect boundingBox)
throws IOException {
return getStations(boundingBox, null);
}
/**
* 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;
}
/**
* Getting dataset for a single radar station.
* @param stnName radar station name
* @param absTime is absolute time
* @return RadialDatasetSweep object
* @throws IOException java io exception
*/
public RadialDatasetSweep getRadarDataset(String stnName, Date absTime)
throws IOException {
// absTime is a member of datasetsDateURI
// long start = System.currentTimeMillis();
InvDataset invdata = queryRadarStation(stnName, absTime);
// double took = 0.001* (System.currentTimeMillis() - start);
// System.out.println("it took1 =" + took);
if (invdata == null) {
throw new IOException("Invalid time selected: "
+ absTime.toString() + "\n");
}
ThreddsDataFactory tdFactory = new ThreddsDataFactory();
ThreddsDataFactory.Result result;
//start = System.currentTimeMillis();
result = tdFactory.openFeatureDataset(invdata, null);
// took = 0.001* (System.currentTimeMillis() - start);
// System.out.println("it took2 =" + took);
return (RadialDatasetSweep) result.featureDataset;
}
/**
* Getting dataset for a single radar station.
* @param stnName radar station name
* @param productID _more_
* @param absTime is absolute time
* @return RadialDatasetSweep object
* @throws IOException java io exception
*/
public RadialDatasetSweep getRadarDataset(String stnName,
String productID, Date absTime)
throws IOException {
// absTime is a member of datasetsDateURI
// long start = System.currentTimeMillis();
InvDataset invdata = queryRadarStation(stnName, productID, absTime);
// double took = 0.001* (System.currentTimeMillis() - start);
// System.out.println("it took1 =" + took);
if (invdata == null) {
throw new IOException("Invalid time selected: "
+ absTime.toString() + "\n");
}
ThreddsDataFactory tdFactory = new ThreddsDataFactory();
ThreddsDataFactory.Result result;
//start = System.currentTimeMillis();
result = tdFactory.openFeatureDataset(invdata, null);
// took = 0.001* (System.currentTimeMillis() - start);
// System.out.println("it took2 =" + took);
return (RadialDatasetSweep) result.featureDataset;
}
/**
* 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;
}
/**
* 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 {
return queryRadarStation(stnName, (String) null, absTime);
}
/**
* 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;
}
/**
* _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 start of the time
* @param end of the time
* @return list of invDataset
* @throws IOException java io exception
*/
private TDSRadarDatasetInfo queryRadarStation(String stnName, Date start,
Date end)
throws IOException {
return queryRadarStation(stnName, null, start, end);
}
/**
* 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;
}
/**
* 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 List getRadarStationURIs(String stnName, Date start, Date end)
throws IOException {
TDSRadarDatasetInfo dri = queryRadarStation(stnName, start, end);
List<DatasetURIInfo> uList = dri.getURIList();
List<URI> datasetsURI = new ArrayList();
for (DatasetURIInfo du : uList) {
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 List getRadarStationDatasets(String stnName, Date start, Date end)
throws IOException {
List datasetList = new ArrayList();
TDSRadarDatasetInfo dri = queryRadarStation(stnName, start, end);
List<InvDatasetInfo> iList = dri.getInvList();
for (InvDatasetInfo iv : iList) {
InvDataset tdata = iv.inv;
ThreddsDataFactory tdFactory = new ThreddsDataFactory();
ThreddsDataFactory.Result result;
result = tdFactory.openFeatureDataset(tdata, null);
datasetList.add(result.featureDataset);
}
return datasetList;
}
/**
* Getting data URI list for a single radar station.
* @param stnName radar station name
* @param start of the time
* @param end of the time
* @return list of URIs
* @throws IOException java io exception
*/
public List<Date> getRadarStationTimes(String stnName, Date start,
Date end)
throws IOException {
return getRadarStationTimes(stnName, null, start, end);
}
/**
* Getting data URI 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 URIs
* @throws IOException java io exception
*/
public List<Date> getRadarStationTimes(String stnName, String productID,
Date start, Date end)
throws IOException {
TDSRadarDatasetInfo dri = queryRadarStation(stnName, productID,
start, end);
return dri.getTimeList();
}
/**
* Getting data Iterator for a single radar station.
* @param bufferSize
* @return data iterator
* @throws IOException java io exception
*/
public DataIterator getDataIterator(int bufferSize) throws IOException {
return null;
}
/**
* Getting data relative time list for a single radar station.
* @param stn radar station name
* @return list of relative times
* @throws IOException java io exception
*/
private List queryRadarStationRTimes(String stn) throws IOException {
return radarTimeSpan;
}
/**
* Getting data URIs for a single radar station, with time range.
* @param sName radar station name
* @param dateInfo the date selection information
* @return list of URIs
*
* @throws IOException _more_
*/
public List getDataURIs(String sName, DateSelection dateInfo)
throws IOException {
return getDataURIs(sName, dateInfo, null);
}
/**
* Getting data for a single radar station, with time range.
* @param sName radar station name
* @param dateInfo the date time selection information
* @return list of radialDatasetSweep
*
* @throws IOException _more_
*/
public List getData(String sName, DateSelection dateInfo)
throws IOException {
return getData(sName, dateInfo, null);
}
/**
* 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 List getData(String sName, DateSelection dateSelect,
ucar.nc2.util.CancelTask cancel)
throws IOException {
if ((cancel != null) && cancel.isCancel()) {
return null;
}
TDSRadarDatasetInfo dri = queryRadarStation(sName,
dateSelect.getStartFixedDate(),
dateSelect.getEndFixedDate());
List 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;
}
/**
* getting data uri list
*
* @param sName station name
* @param dateSelect the date selection
* @param cancel the cancel task
*
* @return the list of URIs
*
* @throws IOException problem reading URIs
*/
public List<URI> getDataURIs(String sName, DateSelection dateSelect,
ucar.nc2.util.CancelTask cancel)
throws IOException {
if ((cancel != null) && cancel.isCancel()) {
return null;
}
TDSRadarDatasetInfo dri = queryRadarStation(sName,
dateSelect.getStartFixedDate(),
dateSelect.getEndFixedDate());
// create a list to hold URIs
List<DatasetURIInfo> datasetsURIs =
dateSelect.apply(dri.getURIList());
List<URI> uriList = new ArrayList<URI>();
for (DatasetURIInfo ufo : datasetsURIs) {
URI u = ufo.uri;
uriList.add(u);
if ((cancel != null) && cancel.isCancel()) {
return null;
}
}
return uriList;
}
/**
* Getting data for a single radar station, with time range and interval.
* @param roundTo
* @param seconds to be round to
* @return round to second
*/
public static long roundTo(long roundTo, long seconds) {
int roundToSeconds = (int) (roundTo);
if (roundToSeconds == 0) {
return seconds;
}
return seconds - ((int) seconds) % roundToSeconds;
}
/**
* Class DatasetURIInfo _more_
*
*/
public class DatasetURIInfo implements DatedThing {
/** _more_ */
private URI uri = null;
/** _more_ */
private Date date = null;
/**
* _more_
*
* @param u _more_
* @param date _more_
*/
public DatasetURIInfo(URI u, Date date) {
this.uri = u;
this.date = date;
}
/**
* _more_
*
* @return _more_
*/
public Date getDate() {
return date;
}
}
/**
* Class to hold an InvDataset and a Date
*/
public class InvDatasetInfo implements DatedThing {
/** The InvDataset */
private InvDataset inv = null;
/** the Date */
private Date date = null;
/**
* Create an InvDatasetInfo
*
* @param u the InvDataset
* @param date the Date
*/
public InvDatasetInfo(InvDataset u, Date date) {
this.inv = u;
this.date = date;
}
/**
* Get the date
*
* @return the Date
*/
public Date getDate() {
return date;
}
}
/**
* Class to hold some information about TDS Radar Datasets
*/
public class TDSRadarDatasetInfo {
/** list of times */
private List absTimeList;
/** list of dataset infos */
private List datasetInfoList;
/** list of InvDatasets */
private List invDatasetList;
/**
* Default ctor
*/
public TDSRadarDatasetInfo() {}
/**
* Ctor
*
* @param absTimeList _more_
* @param datasetInfoList _more_
* @param invDatasetList _more_
*/
public TDSRadarDatasetInfo(List absTimeList, List datasetInfoList,
List invDatasetList) {
this.absTimeList = absTimeList;
this.datasetInfoList = datasetInfoList;
this.invDatasetList = invDatasetList;
}
/**
* Get the time line
*
* @return the list of times
*/
public List<Date> getTimeList() {
return this.absTimeList;
}
/**
* Get the URI list
*
* @return the list of URIs
*/
public List<DatasetURIInfo> getURIList() {
return this.datasetInfoList;
}
/**
* Get the InvDatatest List
*
* @return the list of InvDatsets
*/
public List<InvDatasetInfo> getInvList() {
return this.invDatasetList;
}
}
/**
* 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://motherlode.ucar.edu:8080/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);
}
}