@Nullable private XmlFile createAnnotationsXml( @NotNull VirtualFile root, @NonNls @NotNull String packageName) { final String[] dirs = packageName.split("[\\.]"); for (String dir : dirs) { if (dir.isEmpty()) break; VirtualFile subdir = root.findChild(dir); if (subdir == null) { try { subdir = root.createChildDirectory(null, dir); } catch (IOException e) { LOG.error(e); } } root = subdir; } final PsiDirectory directory = myPsiManager.findDirectory(root); if (directory == null) return null; final PsiFile psiFile = directory.findFile(ANNOTATIONS_XML); if (psiFile instanceof XmlFile) { return (XmlFile) psiFile; } try { final PsiFileFactory factory = PsiFileFactory.getInstance(myPsiManager.getProject()); return (XmlFile) directory.add( factory.createFileFromText(ANNOTATIONS_XML, XmlFileType.INSTANCE, "<root></root>")); } catch (IncorrectOperationException e) { LOG.error(e); } return null; }