final PsiFileFactory factory = PsiFileFactory.getInstance(project);
String bundleName = "Acme\\DemoBundle";
SymfonyBundleUtil symfonyBundleUtil = new SymfonyBundleUtil(project);
SymfonyBundle symfonyBundle = symfonyBundleUtil.getContainingBundle(initialBaseDir);
if(symfonyBundle != null) {
bundleName = StringUtils.strip(symfonyBundle.getNamespaceName(), "\\");
}
String underscoreBundle = bundleName.replace("\\", ".").toLowerCase();
if(underscoreBundle.endsWith("bundle")) {
underscoreBundle = underscoreBundle.substring(0, underscoreBundle.length() - 6);