实战设计模式之抽象工厂

只做代码分析，不做语义解析(高级程序员都从代码理解设计思想和UML理解设计思想)。代码来自尚学堂,UML来自本人手绘：

AbstractFactory.java

public abstract class AbstractFactory {
public abstract Vehicle createVehicle();
public abstract Weapon createWeapon();
public abstract Food createFood();

}

DefaultFactory.java

public class DefaultFactory extends AbstractFactory{
@Override
public Food createFood() {
// TODO Auto-generated method stub
return new Apple();
}

@Override
public Vehicle createVehicle() {
// TODO Auto-generated method stub
return new Car();
}

@Override
public Weapon createWeapon() {
// TODO Auto-generated method stub
return new AK47();
}

}

MagicFactory.java

public class MagicFactory extends AbstractFactory {
@Override
public Food createFood() {
// TODO Auto-generated method stub
return new MushRoom();
}
@Override
public Vehicle createVehicle() {
// TODO Auto-generated method stub
return new Broom();
}
@Override
public Weapon createWeapon() {
// TODO Auto-generated method stub
return new MagicStick();
}
}

Food.java

public abstract class Food {
public abstract void printName();
}

Vehicle.java

public abstract class Vehicle {
public abstract void run();
}

Weapon.java

public abstract class Weapon {
public abstract void shoot();
}

Apple.java

public class Apple extends Food {
public void printName() {
System.out.println("apple");
}
}

AK47.java

public class AK47 extends Weapon{
public void shoot() {
System.out.println("哒哒哒...");
}
}

Car.java

public class Car extends Vehicle {
public void run() {
System.out.println("冒着烟奔跑中car.......");
}
}

Broom.java

public class Broom  extends Vehicle{
public void run() {
System.out.println("一路沙尘暴飞奔而来broom.....");
}
}

MagicStick.java

public class MagicStick extends Weapon {

@Override
public void shoot() {
System.out.println("fire hu hu hu ...");
}

}

MushRoom.java

public class MushRoom extends Food {
@Override
public void printName() {
// TODO Auto-generated method stub
System.out.println("mushroom");
}

}

Test.java

public class Test {
public static void main(String[] args) {
AbstractFactory f = new DefaultFactory();
Vehicle v = f.createVehicle();
v.run();
Weapon w = f.createWeapon();
w.shoot();
Food a = f.createFood();
a.printName();
}
}

UML图如下：



抽象工厂的作用是生产系列成品以及系列产品的替换...

更多内容请查看我的其他blog：http://blog.csdn.net/caicongyang