JavaFx:如何在TextfieldTableCell中将逗号替换为点

import javafx.scene.control.TableCell;
import javafx.scene.control.TextField;
import javafx.scene.control.TextFormatter;
import javafx.scene.control.cell.TextFieldTableCell;
import javafx.util.converter.DefaultStringConverter;

public class CustomTextFieldTableCell<S, T> extends TextFieldTableCell<S, T> {

    public CustomTextFieldTableCell() {
        super(new DefaultStringConverter());
    }

    @Override
    public void updateItem(T item, boolean empty) {
        super.updateItem(item, empty);

        if (empty || item == null) {
            setText(null);
        } else {
            setText(item.toString().replace(",", "."));
        }
    }

    @Override
    public void startEdit() {
        super.startEdit();
        TextField textField = getTextField();
        if (textField != null) {
            TextFormatter<String> textFormatter = new TextFormatter<>(change -> {
                change.setText(change.getText().replace(",", "."));
                return change;
            });
            textField.setTextFormatter(textFormatter);
        }
    }
}

import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.scene.Scene;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.stage.Stage;

public class Main extends Application {

    @Override
    public void start(Stage primaryStage) {
        TableView<String> tableView = new TableView<>(FXCollections.observableArrayList("1,000.00", "2,000.00"));
        TableColumn<String, String> column = new TableColumn<>("Amount");
        column.setCellValueFactory(data -> data.getValue() != null ? new ReadOnlyStringWrapper(data.getValue()) : null);
        column.setCellFactory(cellFactory -> new CustomTextFieldTableCell<>());
        tableView.getColumns().add(column);

        primaryStage.setScene(new Scene(tableView));
        primaryStage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}