private boolean checkFlagDatasetIncluded() {
    final String[] nodeNames = productSubsetDef.getNodeNames();
    final List<String> flagDsNameList = new ArrayList<String>(10);
    boolean flagDsInSubset = false;
    for (int i = 0; i < product.getNumBands(); i++) {
      Band band = product.getBandAt(i);
      if (band.getFlagCoding() != null) {
        flagDsNameList.add(band.getName());
        if (StringUtils.contains(nodeNames, band.getName())) {
          flagDsInSubset = true;
        }
        break;
      }
    }

    final int numFlagDs = flagDsNameList.size();
    boolean ok = true;
    if (numFlagDs > 0 && !flagDsInSubset) {
      int status =
          JOptionPane.showConfirmDialog(
              getJDialog(),
              "No flag dataset selected.\n\n"
                  + "If you do not include a flag dataset in the subset,\n"
                  + "you will not be able to create bitmask overlays.\n\n"
                  + "Do you wish to include the available flag dataset(s)\n"
                  + "in the current subset?\n",
              "No Flag Dataset Selected",
              JOptionPane.YES_NO_CANCEL_OPTION);
      if (status == JOptionPane.YES_OPTION) {
        productSubsetDef.addNodeNames(flagDsNameList.toArray(new String[numFlagDs]));
        ok = true;
      } else if (status == JOptionPane.NO_OPTION) {
        /* OK, no flag datasets wanted */
        ok = true;
      } else if (status == JOptionPane.CANCEL_OPTION) {
        ok = false;
      }
    }

    return ok;
  }
  protected void addBandsToProduct(Product product) {
    Debug.assertNotNull(getSourceProduct());
    Debug.assertNotNull(product);
    for (int i = 0; i < getSourceProduct().getNumBands(); i++) {
      Band sourceBand = getSourceProduct().getBandAt(i);
      String bandName = sourceBand.getName();
      if (isNodeAccepted(bandName)) {
        Band destBand;
        boolean treatVirtualBandsAsRealBands = false;
        if (getSubsetDef() != null && getSubsetDef().getTreatVirtualBandsAsRealBands()) {
          treatVirtualBandsAsRealBands = true;
        }

        // @todo 1 se/se - extract copy of a band or virtual band to create deep clone of band and
        // virtual band
        if (!treatVirtualBandsAsRealBands && sourceBand instanceof VirtualBand) {
          VirtualBand virtualSource = (VirtualBand) sourceBand;
          destBand =
              new VirtualBand(
                  bandName,
                  sourceBand.getDataType(),
                  getSceneRasterWidth(),
                  getSceneRasterHeight(),
                  virtualSource.getExpression());
        } else {
          destBand =
              new Band(
                  bandName,
                  sourceBand.getDataType(),
                  getSceneRasterWidth(),
                  getSceneRasterHeight());
        }
        if (sourceBand.getUnit() != null) {
          destBand.setUnit(sourceBand.getUnit());
        }
        if (sourceBand.getDescription() != null) {
          destBand.setDescription(sourceBand.getDescription());
        }
        destBand.setScalingFactor(sourceBand.getScalingFactor());
        destBand.setScalingOffset(sourceBand.getScalingOffset());
        destBand.setLog10Scaled(sourceBand.isLog10Scaled());
        destBand.setSpectralBandIndex(sourceBand.getSpectralBandIndex());
        destBand.setSpectralWavelength(sourceBand.getSpectralWavelength());
        destBand.setSpectralBandwidth(sourceBand.getSpectralBandwidth());
        destBand.setSolarFlux(sourceBand.getSolarFlux());
        if (sourceBand.isNoDataValueSet()) {
          destBand.setNoDataValue(sourceBand.getNoDataValue());
        }
        destBand.setNoDataValueUsed(sourceBand.isNoDataValueUsed());
        destBand.setValidPixelExpression(sourceBand.getValidPixelExpression());
        FlagCoding sourceFlagCoding = sourceBand.getFlagCoding();
        IndexCoding sourceIndexCoding = sourceBand.getIndexCoding();
        if (sourceFlagCoding != null) {
          String flagCodingName = sourceFlagCoding.getName();
          FlagCoding destFlagCoding = product.getFlagCodingGroup().get(flagCodingName);
          Debug.assertNotNull(
              destFlagCoding); // should not happen because flag codings should be already in
                               // product
          destBand.setSampleCoding(destFlagCoding);
        } else if (sourceIndexCoding != null) {
          String indexCodingName = sourceIndexCoding.getName();
          IndexCoding destIndexCoding = product.getIndexCodingGroup().get(indexCodingName);
          Debug.assertNotNull(
              destIndexCoding); // should not happen because index codings should be already in
                                // product
          destBand.setSampleCoding(destIndexCoding);
        } else {
          destBand.setSampleCoding(null);
        }
        if (isFullScene(getSubsetDef()) && sourceBand.isStxSet()) {
          copyStx(sourceBand, destBand);
        }
        product.addBand(destBand);
        bandMap.put(destBand, sourceBand);
      }
    }
    for (final Map.Entry<Band, RasterDataNode> entry : bandMap.entrySet()) {
      copyImageInfo(entry.getValue(), entry.getKey());
    }
  }