final VirtualFile selectedSourceFile = IdeaUtilImpl.getVirtualFile(_dataContext);
worker.configureSourceDirectories(new VirtualFile[] {selectedSourceFile});
// set class files
final PsiClass psiClass = IdeaUtilImpl.getCurrentClass(_dataContext);
worker.configureOutputFile(psiClass);
worker.work("Running FindBugs analysis for current class...");
}