boolean (String packageName) { if (packageName.isEmpty() || packageName.equals(myInitialText)) { return false; } CommandProcessor.getInstance().executeCommand(myProject, () -> ApplicationManager.getApplication().runWriteAction(() -> { String dirPath = myPackageRoot.getVirtualFile().getPresentableUrl(); String actionName = IdeBundle.message("progress.creating.package", dirPath, packageName); LocalHistoryAction action = LocalHistory.getInstance().startAction(actionName); try { createdElement = DirectoryUtil.createSubdirectories(packageName, myPackageRoot, DELIMITER); } catch (IncorrectOperationException ex) { ApplicationManager.getApplication().invokeLater( () -> Messages.showMessageDialog(myProject, CreateElementActionBase.filterMessage(ex.getMessage()), CommonBundle.getErrorTitle(), Messages.getErrorIcon()) ); } finally { action.finish(); } }), IdeBundle.message("command.create.package"), null); return createdElement != null; }