Java Factory Pattern.java

/* *
* Author: Tonmoy Mondal
* URL: https://qinetique.github.io
* */

/*JAVA-08*/

import java.util.*;
import java.security.*;
interface Food {
    public String getType();
}
class Pizza implements Food {
    public String getType() {
        return "Someone ordered a Fast Food!";
    }
}

class Cake implements Food {

    public String getType() {
        return "Someone ordered a Dessert!";
    }
}
class FoodFactory {
    public Food getFood(String order) {
        switch (order){
            case "pizza": return new Pizza();
            case "cake": return new Cake();
            default: return null;
        }
    }//End of getFood method

}//End of factory class

public class Solution {

    public static void main(String args[]){
        Do_Not_Terminate.forbidExit();

        try{

            Scanner sc=new Scanner(System.in);
            //creating the factory
            FoodFactory foodFactory = new FoodFactory();

            //factory instantiates an object
            Food food = foodFactory.getFood(sc.nextLine());


            System.out.println("The factory returned "+food.getClass());
            System.out.println(food.getType());
        }
        catch (Do_Not_Terminate.ExitTrappedException e) {
            System.out.println("Unsuccessful Termination!!");
        }
    }

}
class Do_Not_Terminate {

    public static class ExitTrappedException extends SecurityException {

        private static final long serialVersionUID = 1L;
    }

    public static void forbidExit() {
        final SecurityManager securityManager = new SecurityManager() {
            @Override
            public void checkPermission(Permission permission) {
                if (permission.getName().contains("exitVM")) {
                    throw new ExitTrappedException();
                }
            }
        };
        System.setSecurityManager(securityManager);
    }
}