GoF의 BuilderPattern

  1//////////////////////////////////// PhoneBuilder.java
  2public interface PhoneBuilder {
  3
  4
  5    void buildName();
  6    void buildRealeseDate();
  7    void buildCompanyName();
  8    void buildIsAndroid();
  9    void buildIsKoreaCompany();
 10    Phone getPhone();
 11
 12}
 13
 14//////////////////////////////////// Iphone13Builder.java
 15public class Iphone13Builder implements PhoneBuilder{
 16
 17    private Phone phone;
 18
 19    public Iphone13Builder() {
 20        this.phone = new Phone();
 21    }
 22
 23    @Override
 24    public void buildName() {
 25        phone.setName("Iphone13");
 26    }
 27
 28    @Override
 29    public void buildRealeseDate() {
 30        phone.setCompanyName("202110");
 31    }
 32
 33    @Override
 34    public void buildCompanyName() {
 35        phone.setCompanyName("apple");
 36    }
 37
 38    @Override
 39    public void buildIsAndroid() {
 40        phone.setIsAndroid(false);
 41    }
 42
 43    @Override
 44    public void buildIsKoreaCompany() {
 45        phone.setIsKoreaCompany(false);
 46    }
 47
 48    @Override
 49    public Phone getPhone() {
 50        return this.phone;
 51    }
 52}
 53
 54//////////////////////////////////// Phone.java
 55public class Phone{
 56
 57    private String name;
 58    private String realeseDate;
 59    private String companyName;
 60    private boolean isAndroid;
 61    private boolean isKoreaCompany;
 62
 63    // setter와 getter를 만든다
 64    public void setName(String name) {
 65        this.name = name;
 66    }
 67
 68    public void setRealeseDate(String realeseDate) {
 69        this.realeseDate = realeseDate;
 70    }
 71
 72
 73    public void setCompanyName(String companyName) {
 74        this.companyName = companyName;
 75    }
 76
 77
 78    public void setIsAndroid(boolean isAndroid) {
 79        this.isAndroid = isAndroid;
 80    }
 81
 82
 83    public void setIsKoreaCompany(boolean isKoreaCompany) {
 84        this.isKoreaCompany = isKoreaCompany;
 85    }
 86
 87
 88    public String getName() {
 89        return name;
 90    }
 91
 92    public String getRealeseDate() {
 93        return realeseDate;
 94    }
 95
 96    public String getCompanyName() {
 97        return companyName;
 98    }
 99
100    public boolean isAndroid() {
101        return isAndroid;
102    }
103
104    public boolean isKoreaCompany() {
105        return isKoreaCompany;
106    }
107}
108
109//////////////////////////////////// Director.java
110
111public class Director {
112
113    private PhoneBuilder phoneBuilder;
114
115    public Director(PhoneBuilder phoneBuilder) {
116        this.phoneBuilder = phoneBuilder;
117    }
118
119    public Phone getPhone(){
120        return this.phoneBuilder.getPhone();
121    }
122
123    public void makePhone(){
124        this.phoneBuilder.buildName();
125        this.phoneBuilder.buildCompanyName();
126        this.phoneBuilder.buildRealeseDate();
127        this.phoneBuilder.buildIsAndroid();
128        this.phoneBuilder.buildIsKoreaCompany();
129
130    }
131
132}
133
134
135//////////////////////////////////// Main.java
136
137public class Main {
138
139    public static void main(String[] args){
140
141        PhoneBuilder iphoneBuilder = new Iphone13Builder(); // 아이폰13 빌더
142        Director director = new Director(iphoneBuilder); // 지시자에게 주입
143        director.makePhone(); // 지시
144        Phone madePhone = director.getPhone(); // 완성품
145
146        System.out.println("madePhone.getName() = " + madePhone.getName());
147        System.out.println("madePhone.getCompanyName() = " + madePhone.getCompanyName());
148    }
149}