《JAVA与模式》之建造者模式

 1 interface Product{
 2     
 3     public void part1();
 4     public void part2();
 5     public void part3();
 6     
 7 }
 8 class ProductOne implements Product{
 9 
10     public void part1() {
11         System.out.println("ProductOne part1");
12     }
13     public void part2() {
14         System.out.println("ProductOne part2");
15     }
16     public void part3() {
17         System.out.println("ProductOne part3");
18     }
19 }
20 class ProductTwo implements Product{
21 
22     public void part1() {
23         System.out.println("ProductTwo part1");
24     }
25     public void part2() {
26         System.out.println("ProductTwo part2");
27     }
28     public void part3() {
29         System.out.println("ProductTwo part3");
30     }
31 }
32 interface AbstractBuilder{
33     
34     //获得建造好的产品
35     public Product getProduct();
36     //创建产品 好拗口 因为是生产产品 工厂模式?????
37     public void buildProduct();
38 }
39 
40 class ProductTwoBuilder implements AbstractBuilder{
41     private Product product=new ProductTwo();
42     
43     public void buildProduct() {
44         product.part1();
45         //product.part2();//不是所有的步骤都需要的
46         product.part3();
47     }
48     public Product getProduct() {
49         System.out.println("ProductTwo 生产完毕");
50         return this.product;
51     }
52 }
53 class ProductOneBuilder implements AbstractBuilder{
54     private Product product=new ProductOne();
55     public void buildProduct() {
56         product.part2();
57         product.part3();
58     }
59     public Product getProduct() {
60         System.out.println("ProductOne 生产完毕");
61         return this.product;
62     }
63 }
64 //指挥者 等同于抽象工厂中的 具体工厂
65 class Director {
66     private AbstractBuilder builder;
67     public Director(AbstractBuilder builder){
68         
69         this.builder=builder;
70     }
71     public void construct(){
72         
73         builder.buildProduct();
74     }
75     
76 }