http://drive.google.com/uc?export=view&id=0ByLqiEM75qEzUG9oQm43RmJRRlk
Factory method 패턴
http://drive.google.com/uc?export=view&id=0ByLqiEM75qEzR3VrVGlwdlJoVms
Factory method 패턴 예제
public abstract class Factory {
public final Product create(String owner) {
Product p = createProduct(owner);
registerProduct(p);
return p;
}
protected abstract Product createProduct(String owner);
protected abstract void registerProduct(Product product);
}
public abstract class Product {
public abstract void use();
}
public class IDCard extends Product {
private String owner;
IDCard(String owner) {
System.out.println(owner + "의 카드를 만듭니다.");
this.owner = owner;
}
public void use() {
System.out.println(owner + "의 카드를 만듭니다.");
}
public String getOwner() {
return owner;
}
}
public class IDCardFactory extends Factory {
private Vector owners = new Vector();
protected Product createProduct(String owner) {
return new IDCard(owner);
}
protected void registerProduct(Product product) {
owners.add(((IDCard)product).getOwner());
}
public Vector getOwners() {
return owners;
}
}