/**
* Transmogrify the filename
*
* @param filename filename
* @param index which one
* @return new file name
*/
protected String processDataFilename(String filename, int index) {
Hashtable properties = (Hashtable) getProperty(DataSource.PROP_SUBPROPERTIES + index);
if (properties == null) {
return filename;
}
String httpServer = (String) properties.get(PROP_SERVICE_HTTP);
if (httpServer != null) {
return httpServer;
}
return filename;
}
/**
* Make the adapters for the given list of files
*
* @param files Data files
* @throws Exception When bad things happen
*/
private void makeAdapters(List files) throws Exception {
adapters = new ArrayList<RadarAdapter>();
Hashtable<String, RadarAdapter> oldAdapterMap = fileToAdapter;
fileToAdapter = new Hashtable<String, RadarAdapter>();
int cnt = 0;
final List<String> badFiles = new ArrayList<String>();
final List<Exception> badExceptions = new ArrayList<Exception>();
final List<RadarAdapter> goodAdapters = new ArrayList<RadarAdapter>();
final List<String> goodFiles = new ArrayList<String>();
visad.util.ThreadManager threadManager =
new visad.util.ThreadManager("radar data initialization");
LogUtil.message("Initializing radar files");
for (Iterator iter = files.iterator(); iter.hasNext(); ) {
final String filename = iter.next().toString();
RadarAdapter adapter = (RadarAdapter) oldAdapterMap.get(filename);
cnt++;
if (adapter == null) {
threadManager.addRunnable(
new visad.util.ThreadManager.MyRunnable() {
public void run() throws Exception {
try {
RadarAdapter myAdapter = makeRadarAdapter(filename);
synchronized (goodAdapters) {
goodAdapters.add(myAdapter);
goodFiles.add(filename);
}
} catch (Exception e) {
synchronized (badExceptions) {
badExceptions.add(e);
badFiles.add(filename);
}
}
}
});
} else {
goodAdapters.add(adapter);
goodFiles.add(filename);
}
}
// threadManager.debug = true;
threadManager.runInParallel(getDataContext().getIdv().getMaxDataThreadCount());
LogUtil.message("");
for (int i = 0; i < goodAdapters.size(); i++) {
adapters.add(goodAdapters.get(i));
fileToAdapter.put(goodFiles.get(i), goodAdapters.get(i));
}
if (!badFiles.isEmpty()) {
StringBuffer buf = new StringBuffer();
if (badFiles.size() < files.size()) {
buf.append("<html>");
buf.append("There were problems reading these files:");
buf.append("<ul>");
for (Iterator iterator = badFiles.iterator(); iterator.hasNext(); ) {
buf.append("<li>");
buf.append((String) iterator.next());
buf.append("</li>");
}
buf.append("</ul>");
buf.append("<p>Continue loading good data?<p></html>");
boolean ok = ucar.unidata.util.GuiUtils.askYesNo("Error reading data", buf.toString());
badExceptions.get(0).printStackTrace();
if (ok) {
files.removeAll(badFiles);
} else {
throw new VisADException("error reading files");
}
} else {
throw badExceptions.get(0);
}
}
// clean up any old adapters
for (String source : oldAdapterMap.keySet()) {
if (fileToAdapter.get(source) == null) {
((RadarAdapter) oldAdapterMap.get(source)).doRemove();
}
}
oldAdapterMap = null;
}