private File localReproject(
WcsReaderRequest request, File containingDirectory, String baseFilename)
throws NoSuchAuthorityCodeException, FactoryException, IOException {
InputStream input = null;
File tmpFile = null;
try {
BoundWcsRequest geotiffRequest = request.bind(_wcsUrl).withFormat("geotiff");
BoundWcsRequest requestNativeFormat =
geotiffRequest.withCRS(geotiffRequest.getNativeCRSs().iterator().next());
requestNativeFormat.assertLegalSize(_maxCoverageExtractionSize);
input = requestNativeFormat.getCoverage();
File file = null;
file = new File(containingDirectory, baseFilename + "." + request.fileExtension());
LOG.debug("Writing GridCoverage obtained from " + _wcsUrl + " to file " + file);
tmpFile = File.createTempFile(baseFilename, ".tif");
writeToFile(tmpFile, input);
transformCoverage(tmpFile, file, request, requestNativeFormat, true);
return file;
} finally {
if (tmpFile != null) FileUtils.delete(tmpFile);
if (input != null) IOUtils.closeQuietly(input);
}
}
private BoundWcsRequest negotiateResponseCRS(BoundWcsRequest request) throws IOException {
Set<String> crss = request.getSupportedResponseCRSs();
// Hack. It will work so long as backing servers
// are GeoServers
if (crss.isEmpty() && request.getNativeCRSs().isEmpty()) return request;
if (!crss.contains(request.getResponseEpsgCode())) {
String newCrs = "EPSG:4326";
if (request.getNativeCRSs().isEmpty()) {
Iterator<String> crsIter = crss.iterator();
if (!crss.contains(newCrs) && crsIter.hasNext()) {
newCrs = crsIter.next();
} else {
}
} else {
newCrs = request.getNativeCRSs().iterator().next();
}
return request.withCRS(newCrs);
}
return request;
}