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; }
// get pathInfo and parmameters from servlet call public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { PrintWriter pw = null; try { long startms = System.currentTimeMillis(); if (cat == null || rm.nexradList == null) { // something major wrong res.sendError( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "radarServer Radar Station/Catalog initialization problem"); return; } // setup String pathInfo = req.getPathInfo(); if (pathInfo == null) pathInfo = ""; RadarType radarType = RadarType.nexrad; // default if (pathInfo.indexOf('/', 1) > 1) { String rt = pathInfo.substring(1, pathInfo.indexOf('/', 1)); radarType = RadarType.valueOf(rt); } // default is xml, assume errors will be recorded by logger from this point if (!pathInfo.endsWith("html")) { pw = res.getWriter(); res.setContentType("text/xml; charset=iso-8859-1"); // default } // radar query if (req.getQueryString() != null) { // log.debug("RadarServer query ="+ req.getQueryString() ); if (log.isDebugEnabled()) log.debug("<documentation>\n" + req.getQueryString() + "</documentation>\n"); rm.radarQuery(radarType, req, res, pw); if (log.isDebugEnabled()) log.debug("after doGet " + (System.currentTimeMillis() - startms)); pw.flush(); return; } // return radarCollections catalog xml or html if (pathInfo.startsWith("/catalog.xml") || pathInfo.startsWith("/dataset.xml")) { InvCatalogFactory factory = InvCatalogFactory.getDefaultFactory(false); // no validation String catAsString = factory.writeXML(cat); pw.println(catAsString); res.setStatus(HttpServletResponse.SC_OK); pw.flush(); return; } else if (pathInfo.startsWith("/catalog.html") || pathInfo.startsWith("/dataset.html")) { try { int i = HtmlWriter.getInstance().writeCatalog(req, res, cat, true); // show catalog as HTML } catch (Exception e) { log.error("Radar HtmlWriter failed ", e); res.sendError( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "radarServer HtmlWriter error " + pathInfo); return; } return; } // level2 and level3 catalog/dataset if (pathInfo.contains("level2/catalog.") || pathInfo.contains("level3/catalog.") || pathInfo.contains("level2/dataset.") || pathInfo.contains("level3/dataset.")) { level2level3catalog(radarType, pathInfo, pw, req, res); return; } // return stations of dataset if (pathInfo.endsWith("stations.xml")) { pathInfo = pathInfo.replace("/stations.xml", ""); Element rootElem = new Element("stationsList"); Document doc = new Document(rootElem); doc = rm.stationsXML(radarType, doc, rootElem, pathInfo.substring(1)); XMLOutputter fmt = new XMLOutputter(Format.getPrettyFormat()); pw.println(fmt.outputString(doc)); pw.flush(); return; } // return specific dataset information, ie IDD if (pathInfo.endsWith("dataset.xml") || pathInfo.endsWith("catalog.xml")) { datasetInfoXml(radarType, pathInfo, pw); return; } // needs work nobody using it now // return Dataset information in html form format if (pathInfo.endsWith("dataset.html") || pathInfo.endsWith("catalog.html")) { datasetInfoHtml(radarType, pathInfo, pw, res); return; } // mal formed request with no exceptions res.sendError(HttpServletResponse.SC_NOT_FOUND); } catch (FileNotFoundException e) { if (!res.isCommitted()) res.sendError(HttpServletResponse.SC_NOT_FOUND); } catch (Throwable e) { log.error("RadarServer.doGet failed", e); if (!res.isCommitted()) res.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); } } // end doGet