Beispiel #1
0
  public static void main(String args[]) throws IOException {

    // Function References
    String path =
        "http://motherlode.ucar.edu:8081/thredds/radarServer/nexrad/level3/IDD/dataset.xml";

    try {
      catURI = new URI(StringUtil2.escape(path, "/:-_."));
    } catch (URISyntaxException e) {
      System.out.println("radarServer main: URISyntaxException=" + e.getMessage());
      return;
    }

    // read the catalog
    System.out.println("radarServer main: full path=" + path);
    InputStream ios = null;
    try {

      URL url = new URL(path);
      ios = url.openStream();
      // ios = new FileInputStream(path);
      // acat = factory.readXML(ios, catURI );
      BufferedReader dataIS = new BufferedReader(new InputStreamReader(ios));

      while (true) {
        String line = dataIS.readLine();
        if (line == null) break;
        System.out.println(line);
      }

    } catch (Throwable t) {
      System.out.println("radarServer main: Exception on catalog=" + path + " " + t.getMessage());
      return;
    } finally {
      if (ios != null) {
        try {
          ios.close();
        } catch (IOException e) {
          System.out.println("radarServer main: error closing" + path);
        }
      }
    }
    return;
  }
Beispiel #2
0
  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;
  }