public void run(IProgressMonitor monitor) throws Exception {
    monitor.beginTask(Messages.AddFeaturesCommand_taskMessage, 10);
    monitor.worked(1);

    FeatureStore<SimpleFeatureType, SimpleFeature> store =
        layer.getResource(FeatureStore.class, new SubProgressMonitor(monitor, 2));
    String geomAttributeName = layer.getSchema().getGeometryDescriptor().getLocalName();
    String[] desiredProperties = new String[] {geomAttributeName};
    Query query = new DefaultQuery(layer.getSchema().getTypeName(), filter, desiredProperties);
    FeatureCollection<SimpleFeatureType, SimpleFeature> features = store.getFeatures(query);

    FeatureIterator<SimpleFeature> iter = features.features();
    try {
      commands = new ArrayList<UndoableMapCommand>();
      while (iter.hasNext()) {
        SimpleFeature feature = iter.next();
        commands.add(new SelectFeatureCommand(bb, feature));
      }

      float index = 0;
      float inc = (float) 7 / commands.size();
      for (UndoableMapCommand command : commands) {
        command.setMap(getMap());
        index += inc;
        SubProgressMonitor subProgressMonitor = new SubProgressMonitor(monitor, (int) index);
        command.run(subProgressMonitor);
        subProgressMonitor.done();
        if (index > 1) {
          index = 0;
        }
      }
    } finally {
      features.close(iter);
    }

    monitor.done();
  }
 private void setAndRun(IProgressMonitor monitor, UndoableMapCommand undoableComposite)
     throws Exception {
   undoableComposite.setMap(getMap());
   undoableComposite.run(monitor);
 }