/**
* Adjust the command to suit the environment.
*
* @param command The command to run.
* @return The adjusted command.
*/
public List<String> prepareCommand(List<String> command) {
ApplicationContext appContext = ApplicationContextProvider.getApplicationContext();
NdgConfigManager ndgConfigManager = (NdgConfigManager) appContext.getBean("ndgConfigManager");
String loc = ndgConfigManager.getConfig().getGdalLocation();
if (loc == null) throw new IllegalStateException("GDAL location is not configured.");
Path gdalBinDir = Paths.get(loc, "bin");
Path gdalCmdPath = gdalBinDir.resolve(command.get(0));
// Patch in path to GDAL, if appropriate.
ArrayList<String> cmd = new ArrayList<String>();
cmd.add(gdalCmdPath.toString());
log.trace("cma [0] = {}", command.get(0));
// Remove windows-style backslashes.
for (int i = 1; i < command.size(); ++i) {
log.trace("cma [{}] = {}", i, command.get(i));
String s = command.get(i).replace('\\', '/');
cmd.add(s);
}
String commandStr = StringUtils.join(cmd, " ");
log.debug("Attempting to run: " + commandStr);
return cmd;
}
@Override
public NetcdfDataset open(
String uri,
String referential,
BoxReal boundsHint,
DateTime timeMin,
DateTime timeMax,
List<String> bands)
throws IOException {
NetcdfDataset ds;
VectorReal min = boundsHint.getMin();
VectorReal max = boundsHint.getMax();
Box bounds = new Box(min.getX(), min.getY(), max.getX(), max.getY());
Dataset dataset = findDataset(uri, referential);
if (dataset == null) {
throw new IOException(String.format("Could not find dataset %s", uri));
}
if (ndgConfigManager.getConfig().isFilelockingOn()) {
ReadWriteLock lock = getLock(dataset);
// If filelockingOn, then ensure can get all required read locks
if (lock.readLock().tryLock()) {
try {
ds = open(uri, dataset, bounds, timeMin, timeMax, bands);
try {
ds = new RsaNetcdfDataset(ds, lock);
} catch (IOException | RuntimeException e) {
if (ds != null) ds.close();
throw e;
}
} catch (IOException | RuntimeException e) {
lock.readLock().unlock();
throw e;
}
} else {
throw new IOException(String.format("Could not lock dataset %s", uri));
}
} else {
ds = open(uri, dataset, bounds, timeMin, timeMax, bands);
}
return ds;
}
