java设计模式之建造者模式

public interface PersonBuilder {
     void buildHead();
     void buildBody();
     void buildFoot();
     Person buildPerson();
}

public class ManBuilder implements PersonBuilder {
     Person person;
     public ManBuilder() {
          person = new Man();
     }
     public void buildbody() {
          person.setBody("建造男人的身体");
     }
     public void buildFoot() {
          person.setFoot("建造男人的脚");
     }
     public void buildHead() {
          person.setHead("建造男人的头");
     }
     public Person buildPerson() {
          return person;
     }
}

public class WomanBuilder implements PersonBuilder {
     Person person;
     public WomanBuilder() {
          person = new Woman();
     }
     public void buildbody() {
          person.setBody(“建造女人的身体");
     }
     public void buildFoot() {
          person.setFoot(“建造女人的脚");
     }
     public void buildHead() {
          person.setHead(“建造女人的头");
     }
     public Person buildPerson() {
          return person;
     }
}

public class PersonDirector {
     public Person constructPerson(PersonBuilder pb) {
          pb.buildHead();
          pb.buildBody();
          pb.buildFoot();
          return pb.buildPerson();
     }
}

public class Person {
     private String head;
     private String body;
     private String foot;

     public String getHead() {
          return head;
     }
     public void setHead(String head) {
          this.head = head;
     }
     public String getBody() {
          return body;
     }
     public void setBody(String body) {
          this.body = body;
     }
     public String getFoot() {
          return foot;
     }
     public void setFoot(String foot) {
          this.foot = foot;
     }
}
public class Man extends Person {
     public Man(){
          System.out.println(“开始建造男人");
     }
}
public class Woman extends Person {
     public Woman(){
          System.out.println(“开始建造女人");
     }
}

public class Test{
     public static void main(String[] args) {
          PersonDirector pd = new PersonDirector();
          Person womanPerson = pd.constructPerson(new ManBuilder());
          Person manPerson = pd.constructPerson(new WomanBuilder());
     }
}

public class Man {
     private String head;
     private String body;
     private String foot;

     public String getHead() {
          return head;
     }
     public void setHead(String head) {
          this.head = head;
     }
     public String getBody() {
          return body;
     }
     public void setBody(String body) {
          this.body = body;
     }
     public String getFoot() {
          return foot;
     }
     public void setFoot(String foot) {
          this.foot = foot;
     }
}

public class ManBuilder{
     Man man;
     public ManBuilder() {
          man = new Man();
     }
     public void buildbody() {
          man.setBody("建造男人的身体");
     }
     public void buildFoot() {
          man.setFoot("建造男人的脚");
     }
     public void buildHead() {
          man.setHead("建造男人的头");
     }
     public Man builderMan() {
          buildHead();
          buildBody();
          buildFoot();
          return man;
     }
}