001package myproject.ui; 002 003import java.util.ArrayList; 004import java.util.List; 005 006public final class UIFormBuilder { 007 private final List<UIForm.Pair> menu = new ArrayList<UIForm.Pair>(); 008 public void add(String prompt, UIFormTest test) { 009 menu.add(new UIForm.Pair(prompt, test)); 010 } 011 public UIForm toUIForm(String heading) { 012 if (null == heading) 013 throw new IllegalArgumentException(); 014 if (menu.size() < 1) 015 throw new IllegalStateException(); 016 UIForm.Pair[] array = new UIForm.Pair[menu.size()]; 017 for (int i = 0; i < menu.size(); i++) 018 array[i] = menu.get(i); 019 return new UIForm(heading, array); 020 } 021}