final FindBugsWorker worker = new FindBugsWorker(project, module);
// set aux classpath
final VirtualFile[] files = IdeaUtilImpl.getProjectClasspath(_dataContext);
worker.configureAuxClasspathEntries(files);
// set source dirs
//final VirtualFile[] selectedSourceFiles = IdeaUtilImpl.getSelectedFiles(_dataContext);
final VirtualFile selectedSourceFile = IdeaUtilImpl.getVirtualFile(_dataContext);
worker.configureSourceDirectories(new VirtualFile[] {selectedSourceFile});