Vaadin : how to override Table#formatPropertyValue(Object, Object, Property)

TestApp.java

public class TestApp extends Application {
  public void init() {
    Window mainWindow = new TestWindow();
    setMainWindow(mainWindow);
  }

  public class TestWindow extends Window {
    public TestWindow() {
      IndexedContainer container = createContainer();
      Table table = createTable(container);

      VerticalLayout mainLayout = new VerticalLayout();
      mainLayout.addComponent(table);
      mainLayout.setSizeFull();

      setContent(mainLayout);
    }

    /* Build a model for the table with the data : Lots of ways of doing this;
      Just a quick-and-dirty example */
    private IndexedContainer createContainer() {
      IndexedContainer container = new IndexedContainer();
      container.addContainerProperty("name", String.class, null);
      container.addContainerProperty("number", Integer.class, null);

      addItem(container, "Bob", 10);
      addItem(container, "Harry", 1);
      addItem(container, "Margaret", 0);
      addItem(container, "Glenda", 22);
      addItem(container, "Boris", 0);
      addItem(container, "Jessica", 24);
      return container;
    }

    private void addItem(IndexedContainer container, String name, int number) {
      Object itemId = container.addItem();
      container.getItem(itemId).getItemProperty("name").setValue(name);
      container.getItem(itemId).getItemProperty("number").setValue(number);
    }

    private Table createTable(IndexedContainer container) {
      Table table = new Table() {
        @Override
        protected String formatPropertyValue(Object rowId, Object colId, Property property) {

          Object value = property.getValue();

          if (value instanceof Integer && ((Integer) value) == 0) {
            return "";
          }

          return super.formatPropertyValue(rowId, colId, property);
        }
      };
      table.setContainerDataSource(container);
      table.setSizeFull();
      table.setVisibleColumns(new Object[]{"name", "number"});
      table.setColumnExpandRatio("number", 1f);
      return table;
    }

  }
}