public static void createSourceRootIfNotExist( @NotNull final String path, @NotNull final Module module) { ApplicationManager.getApplication().assertIsDispatchThread(); final File rootFile = new File(path); final boolean created; if (!rootFile.exists()) { if (!rootFile.mkdirs()) return; created = true; } else { created = false; } final Project project = module.getProject(); Module genModule = module; final AndroidFacet facet = AndroidFacet.getInstance(genModule); if (facet != null && facet.getConfiguration().LIBRARY_PROJECT) { removeGenModule(module); } if (project.isDisposed() || genModule.isDisposed()) { return; } final VirtualFile root; if (created) { root = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(rootFile); } else { root = LocalFileSystem.getInstance().findFileByIoFile(rootFile); } if (root != null) { final ModuleRootManager manager = ModuleRootManager.getInstance(genModule); unexcludeRootIfNeccessary(root, manager); for (VirtualFile existingRoot : manager.getSourceRoots()) { if (existingRoot == root) return; } ApplicationManager.getApplication() .runWriteAction( new Runnable() { public void run() { addSourceRoot(manager, root); } }); } }