【GOF23设计模式】建造者模式

 1 package com.test.Builder;
 2 
 3 public class AirShip {
 4     private OrbitalModule orbitalModule;//轨道舱
 5     private Engine engine;//发动机
 6     private EscapeTower escapeTower;//逃逸塔
 7 
 8     public void launch(){
 9         System.out.println("发射！");
10     }
11 
12     public OrbitalModule getOrbitalModule() {
13         return orbitalModule;
14     }
15     public void setOrbitalModule(OrbitalModule orbitalModule) {
16         this.orbitalModule = orbitalModule;
17     }
18     public Engine getEngine() {
19         return engine;
20     }
21     public void setEngine(Engine engine) {
22         this.engine = engine;
23     }
24     public EscapeTower getEscapeTower() {
25         return escapeTower;
26     }
27     public void setEscapeTower(EscapeTower escapeTower) {
28         this.escapeTower = escapeTower;
29     }
30 }
31 
32 class OrbitalModule{
33     private String name;
34 
35     public OrbitalModule(String name) {
36         super();
37         this.name = name;
38     }
39 
40     public String getName() {
41         return name;
42     }
43 
44     public void setName(String name) {
45         this.name = name;
46     }
47 }
48 class Engine{
49     private String name;
50 
51     public Engine(String name) {
52         super();
53         this.name = name;
54     }
55 
56     public String getName() {
57         return name;
58     }
59 
60     public void setName(String name) {
61         this.name = name;
62     }
63 }
64 class EscapeTower{
65     private String name;
66 
67     public EscapeTower(String name) {
68         super();
69         this.name = name;
70     }
71 
72     public String getName() {
73         return name;
74     }
75 
76     public void setName(String name) {
77         this.name = name;
78     }
79 }

1 package com.test.Builder;
2 
3 public interface AirShipBuilder {
4     OrbitalModule buildOrbitalModule();
5     Engine builderEngine();
6     EscapeTower builderEscapeTower();
7 }

1 package com.test.Builder;
2 
3 public interface AirShipDirector {
4     /**
5      * 组装飞船对象
6      */
7     AirShip directAirShip();
8 }

 1 package com.test.Builder;
 2 /**
 3  * StringBuilder，以后学习XML解析中，JDOM库中的类：DomBuilder,SaxBuilder
 4  */
 5 public class SxtAirShipBuilder implements AirShipBuilder{
 6 
 7     @Override
 8     public OrbitalModule buildOrbitalModule() {
 9         System.out.println("构建sxt轨道舱");
10         return new OrbitalModule("sxt轨道舱");
11     }
12 
13     @Override
14     public Engine builderEngine() {
15         System.out.println("构建sxt发动机");
16         return new Engine("sxt发动机");
17     }
18 
19     @Override
20     public EscapeTower builderEscapeTower() {
21         System.out.println("构建sxt逃逸塔");
22         return new EscapeTower("sxt逃逸塔");
23     }
24 }

 1 package com.test.Builder;
 2 
 3 public class SxtAirShipDirector implements AirShipDirector{
 4 
 5     private AirShipBuilder builder;
 6 
 7     public SxtAirShipDirector(AirShipBuilder builder) {
 8         super();
 9         this.builder = builder;
10     }
11 
12     @Override
13     public AirShip directAirShip() {
14         OrbitalModule o = builder.buildOrbitalModule();
15         Engine e = builder.builderEngine();
16         EscapeTower et = builder.builderEscapeTower();
17 
18         AirShip ship = new AirShip();
19         ship.setOrbitalModule(o);
20         ship.setEngine(e);
21         ship.setEscapeTower(et);
22         return ship;
23     }
24 }

 1 package com.test.Builder;
 2 
 3 public class Client {
 4     public static void main(String[] args) {
 5         AirShipDirector director = new SxtAirShipDirector(new SxtAirShipBuilder());
 6         AirShip ship = director.directAirShip();
 7         System.out.println(ship.getEngine().getName());
 8         ship.launch();
 9     }
10 }