@Override
protected Product readProductNodesImpl() throws IOException {
final String s = getInput().toString();
final File file0 = new File(s);
final File dir = file0.getParentFile();
final S2FilenameInfo fni0 = S2FilenameInfo.create(file0.getName());
if (fni0 == null) {
throw new IOException();
}
Header metadataHeader = null;
final Map<Integer, BandInfo> fileMap = new HashMap<Integer, BandInfo>();
if (dir != null) {
File[] files =
dir.listFiles(
new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
return name.endsWith(Sentinel2ProductReaderPlugIn.JP2_EXT);
}
});
if (files != null) {
for (File file : files) {
int bandIndex = fni0.getBand(file.getName());
if (bandIndex >= 0 && bandIndex < WAVEBAND_INFOS.length) {
final S2WavebandInfo wavebandInfo = WAVEBAND_INFOS[bandIndex];
BandInfo bandInfo =
new BandInfo(
file, bandIndex, wavebandInfo, imageLayouts[wavebandInfo.resolution.id]);
fileMap.put(bandIndex, bandInfo);
}
}
}
File[] metadataFiles =
dir.listFiles(
new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
return name.startsWith("MTD_") && name.endsWith(".xml");
}
});
if (metadataFiles != null && metadataFiles.length > 0) {
File metadataFile = metadataFiles[0];
try {
metadataHeader = Header.parseHeader(metadataFile);
} catch (JDOMException e) {
BeamLogManager.getSystemLogger()
.warning("Failed to parse metadata file: " + metadataFile);
}
} else {
BeamLogManager.getSystemLogger().warning("No metadata file found");
}
}
final ArrayList<Integer> bandIndexes = new ArrayList<Integer>(fileMap.keySet());
Collections.sort(bandIndexes);
if (bandIndexes.isEmpty()) {
throw new IOException("No valid bands found.");
}
String prodType = "S2_MSI_" + fni0.procLevel;
final Product product =
new Product(
String.format("%s_%s_%s", prodType, fni0.orbitNo, fni0.tileId),
prodType,
imageLayouts[S2Resolution.R10M.id].width,
imageLayouts[S2Resolution.R10M.id].height);
try {
product.setStartTime(ProductData.UTC.parse(fni0.start, "yyyyMMddHHmmss"));
} catch (ParseException e) {
// warn
}
try {
product.setEndTime(ProductData.UTC.parse(fni0.stop, "yyyyMMddHHmmss"));
} catch (ParseException e) {
// warn
}
if (metadataHeader != null) {
SceneDescription sceneDescription = SceneDescription.create(metadataHeader);
int tileIndex = sceneDescription.getTileIndex(fni0.tileId);
Envelope2D tileEnvelope = sceneDescription.getTileEnvelope(tileIndex);
Header.Tile tile = metadataHeader.getTileList().get(tileIndex);
try {
product.setGeoCoding(
new CrsGeoCoding(
tileEnvelope.getCoordinateReferenceSystem(),
imageLayouts[S2Resolution.R10M.id].width,
imageLayouts[S2Resolution.R10M.id].height,
tile.tileGeometry10M.upperLeftX,
tile.tileGeometry10M.upperLeftY,
tile.tileGeometry10M.xDim,
-tile.tileGeometry10M.yDim,
0.0,
0.0));
} catch (FactoryException e) {
// todo - handle e
} catch (TransformException e) {
// todo - handle e
}
}
for (Integer bandIndex : bandIndexes) {
final BandInfo bandInfo = fileMap.get(bandIndex);
final Band band = product.addBand(bandInfo.wavebandInfo.bandName, ProductData.TYPE_UINT16);
band.setSpectralWavelength((float) bandInfo.wavebandInfo.centralWavelength);
band.setSpectralBandwidth((float) bandInfo.wavebandInfo.bandWidth);
band.setSpectralBandIndex(bandIndex);
band.setSourceImage(new DefaultMultiLevelImage(new Jp2MultiLevelSource(bandInfo)));
}
product.setNumResolutionLevels(imageLayouts[0].numResolutions);
return product;
}
