package TheIteratorPattern;

import TheIteratorPattern.MenuImpl.BreakFastMenu;

import TheIteratorPattern.MenuImpl.DinnerMenu;

import TheIteratorPattern.domain.Iterator;

import java.util.ArrayList;

/**

* Created by ud on 24/3/17.

*/

public class AppMain {

public static void main(String args[]) {

BreakFastMenu pancakeHouseMenu = new BreakFastMenu();

DinnerMenu dinerMenu = new DinnerMenu();

// with no iterators

System.out.println("\nMENU\n----\nBREAKFAST");

ArrayList<String> breakfastItems = pancakeHouseMenu.getMenuItems();

for (int i = 0; i < breakfastItems.size(); i++) {

String menuItem = (String)breakfastItems.get(i);

System.out.println(menuItem);

}

System.out.println("\nLUNCH");

String[] lunchItems = dinerMenu.getMenuItems();

for (int i = 0; i < lunchItems.length; i++) {

String menuItem = lunchItems[i];

System.out.println(menuItem);

}

// with iterators

Iterator pancakeIterator = pancakeHouseMenu.createIterator();

Iterator dinerIterator = dinerMenu.createIterator();

System.out.println("\nMENU (with iterators)\n----\nBREAKFAST");

printMenu(pancakeIterator);

System.out.println("\nLUNCH");

printMenu(dinerIterator);

}

private static void printMenu(Iterator iterator) {

while (iterator.hasNext()) {

String menuItem = (String)iterator.next();

System.out.println(menuItem);

}

}

}