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Solution.java
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161 lines (128 loc) · 3.62 KB
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package com.interview.all;
import java.util.Scanner;
//https://gist.github.com/fdominguezgsysusit/d6fa369fa659662bb78a8cda95c8c7b7/revisions
abstract class Cuisine {
public abstract Cuisine serveFood(String dish);
}
class UnservableCuisineRequestException extends Exception {
private static final long serialVersionUID = 1L;
public UnservableCuisineRequestException(String message) {
super(message);
}
}
class Italian extends Cuisine {
private String dish;
public String getDish() {
return dish;
}
public void setDish(String dish) {
this.dish = dish;
}
@Override
public Cuisine serveFood(String dish) {
setDish(dish);
return this;
}
}
class Mexican extends Cuisine {
private String dish;
public String getDish() {
return dish;
}
public void setDish(String dish) {
this.dish = dish;
}
@Override
public Cuisine serveFood(String dish) {
setDish(dish);
return this;
}
}
class Japanese extends Cuisine {
private String dish;
public String getDish() {
return dish;
}
public void setDish(String dish) {
this.dish = dish;
}
@Override
public Cuisine serveFood(String dish) {
setDish(dish);
return this;
}
}
class Chinese extends Cuisine {
private String dish;
public String getDish() {
return dish;
}
public void setDish(String dish) {
this.dish = dish;
}
@Override
public Cuisine serveFood(String dish) {
setDish(dish);
return this;
}
}
class FoodFactory {
static FoodFactory getFactory() {
return new FoodFactory();
}
java.util.Map<String, Cuisine> cuisines = new java.util.HashMap<String, Cuisine>();
void registerCuisine(String cuisineKey, Cuisine cuisine) {
cuisines.put(cuisineKey, cuisine.serveFood(cuisineKey));
}
public Cuisine serveCuisine(String cuisine, String dish) throws UnservableCuisineRequestException {
if (!cuisines.containsKey(cuisine)) {
throw new UnservableCuisineRequestException("Unservable cuisine " + cuisine + "for dish " + dish);
} else
return cuisines.get(cuisine).serveFood(dish);
}
}
public class Solution {
private static final Scanner INPUT_READER = new Scanner(System.in);
private static final FoodFactory FOOD_FACTORY = FoodFactory.getFactory();
static {
FoodFactory.getFactory().registerCuisine("Chinese", new Chinese());
FoodFactory.getFactory().registerCuisine("Italian", new Italian());
FoodFactory.getFactory().registerCuisine("Japanese", new Japanese());
FoodFactory.getFactory().registerCuisine("Mexican", new Mexican());
}
public static void main(String[] args) {
int totalNumberOfOrders = Integer.parseInt(INPUT_READER.nextLine());
while (totalNumberOfOrders-- > 0) {
String[] food = INPUT_READER.nextLine().split(" ");
String cuisine = food[0];
String dish = food[1];
try {
if (FOOD_FACTORY.equals(FoodFactory.getFactory())) {
Cuisine servedFood = FOOD_FACTORY.serveCuisine(cuisine, dish);
switch (cuisine) {
case "Chinese":
Chinese chineseDish = (Chinese) servedFood;
System.out.println("Serving " + chineseDish.getDish() + "(Chinese)");
break;
case "Italian":
Italian italianDish = (Italian) servedFood;
System.out.println("Serving " + italianDish.getDish() + "(Italian)");
break;
case "Japanese":
Japanese japaneseDish = (Japanese) servedFood;
System.out.println("Serving " + japaneseDish.getDish() + "(Japanese)");
break;
case "Mexican":
Mexican mexicanDish = (Mexican) servedFood;
System.out.println("Serving " + mexicanDish.getDish() + "(Mexican)");
break;
default:
break;
}
}
} catch (UnservableCuisineRequestException ex) {
System.out.println(ex.getMessage());
}
}
}
}