//figure out update mode, whether we should kill existing data or append
String update = form.getFirstValue("update");
if ("overwrite".equalsIgnoreCase(update)) {
LOGGER.fine("Removing existing features from " + featureTypeName);
//kill all features
featureStore.removeFeatures(Filter.INCLUDE);
}
LOGGER.fine("Adding features to " + featureTypeName);
FeatureCollection features = source.getFeatureSource(featureTypeName).getFeatures();
featureStore.addFeatures(features);