public EnemyShip makeEnemyShip(String newShipType)
{
EnemyShip newShip = null;
if (newShipType.Equals("U"))
{
return(new UFOEnemyShip());
}
else
{
if (newShipType.Equals("R"))
{
return(new UFOEnemyShip());
}
else
{
if (newShipType.Equals("B"))
{
return(new BigUFOEnemyShip());
}
else
{
return(null);
}
}
}
}
static void Main(string[] args)
{
EnemyShipFactory shipFactory = new EnemyShipFactory();
EnemyShip theEnemy = null;
string readLine;
readLine = Console.ReadLine();
//Scanner userInput = new Scanner(System.in);
Console.WriteLine("What type of ship? (U / R / B)");
String typeOfShip = readLine;
theEnemy = shipFactory.makeEnemyShip(typeOfShip);
if (theEnemy != null)
{
DoStuffEnemy(theEnemy);
}
else
{
Console.WriteLine("Enter U / R / B");
}
}
/// <summary>
/// Makes a new instance of a subclass of enemyship
/// </summary>
/// <param name="shipType">some input to evaluate at runtime</param>
/// <returns>an new instance based on runtime input</returns>
public EnemyShip MakeEnemyShip(string shipType)
{
EnemyShip newShip = null;
if (shipType == "rocket")
{
newShip = new RocketEnemyShip();
}
else if (shipType == "big")
{
newShip = new BigUFOEnemyShip();
}
else
{
newShip = new UFOEnemyShip();
}
return newShip
}
private static void DoStuff(EnemyShip ufo)
{
ufo.DisplayEnemyShip();
ufo.FollowHeroShip();
ufo.EnemyShipShoots();
}
public static void DoStuffEnemy(EnemyShip anEnemyShip)
{
anEnemyShip.DisplayEnenmyShip();
anEnemyShip.FollowHeroShip();
anEnemyShip.EnemyShipShoots();
}
// Executes methods of the super class
public static void doStuffEnemy(EnemyShip anEnemyShip)
{
anEnemyShip.displayEnemyShip();
anEnemyShip.followHeroShip();
anEnemyShip.enemyShipShoots();
}
static void Main(string[] args)
{
// Create the factory object
EnemyShipFactory shipFactory = new EnemyShipFactory();
// Enemy ship object
EnemyShip theEnemy = null;
Console.WriteLine("What type of ship? (U / R / B)");
var txt = Console.ReadLine();
if (!string.IsNullOrEmpty(txt))
{
String typeOfShip = txt;
theEnemy = shipFactory.makeEnemyShip(typeOfShip);
if (theEnemy != null)
{
doStuffEnemy(theEnemy);
}
else
{
Console.WriteLine("Please enter U, R, or B next time");
}
}
/*
* EnemyShip theEnemy = null;
*
* // Old way of creating objects
* // When we use new we are not being dynamic
*
* EnemyShip ufoShip = new UFOEnemyShip();
*
* doStuffEnemy(ufoShip);
*
* System.out.print("\n");
*
* // -----------------------------------------
*
* // This allows me to make the program more dynamic
* // It doesn't close the code from being modified
* // and that is bad!
*
* // Defines an input stream to watch: keyboard
* Scanner userInput = new Scanner(System.in);
*
* String enemyShipOption = "";
*
* System.out.print("What type of ship? (U or R)");
*
* if (userInput.hasNextLine()){
*
* enemyShipOption = userInput.nextLine();
*
* }
*
* if (enemyShipOption == "U"){
*
* theEnemy = new UFOEnemyShip();
*
*
* } else
*
* if (enemyShipOption == "R"){
*
* theEnemy = new RocketEnemyShip();
*
* } else {
*
* theEnemy = new BigUFOEnemyShip();
*
* }
*
* doStuffEnemy(theEnemy);
*
* // --------------------------------------------
*/
}
