@Override
public InputStream generate(DynamicFile file, Map<String, Object> data) {
URI uri = URI.createURI(file.getExecutionURI());
if( "bundleclass".equals(uri.scheme()) ) {
Bundle b = Platform.getBundle(uri.host());
try {
Class<?> cl = b.loadClass(uri.segment(0));
Generator<DynamicFile> g = (Generator<DynamicFile>) cl.newInstance();
return g.generate(file, data);
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException e) {