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;
}
private InvDatasetImpl getLeafDataset(InvDatasetImpl ds) {
if (ds == null) return null;
System.out.println("getLeafDataset " + ds.getFullName());
List nestedList = ds.getDatasets();
for (int i = 0; i < nestedList.size(); i++) {
InvDatasetImpl nestedDS = (InvDatasetImpl) nestedList.get(i);
if (nestedDS.hasAccess() && !nestedDS.hasNestedDatasets()) {
InvDatasetImpl result =
chooseLeafDataset(nestedList); // this assumes that they are uniform !!
return (result.hasAccess()) ? result : nestedDS;
}
// depth first
InvDatasetImpl leaf = getLeafDataset(nestedDS);
if (leaf != null) return leaf;
}
return null;
}