package org.test.design.build;
/**
 * 影視，書籍等作品
 * @author lushuaiyin
 *
 */
public abstract class Product {
  public String author;//作者
  public int funds=0;//耗資
  public String workName;//作品名稱
  public String workType;//作品類型
  public String content;//其他信息
  public String getAuthor() {
    return author;
  }
  public void setAuthor(String author) {
    this.author = author;
  }
  public int getFunds() {
    return funds;
  }
  public void setFunds(int funds) {
    this.funds = funds;
  }
  public String getWorkName() {
    return workName;
  }
  public void setWorkName(String workName) {
    this.workName = workName;
  }
  public String getWorkType() {
    return workType;
  }
  public void setWorkType(String workType) {
    this.workType = workType;
  }
  public String getContent() {
    return content;
  }
  public void setContent(String content) {
    this.content = content;
  }
  public String printString() {
    return "Product [author=" + author + ", funds=" + funds + ", workName="
        + workName + ", workType=" + workType + ", content=" + content
        + "]";
  }
}

package org.test.design.build;
public class Movie extends Product{
  private String actor;//主演
  private String director;//導(dǎo)演
  public String getActor() {
    return actor;
  }
  public void setActor(String actor) {
    this.actor = actor;
  }
  public String getDirector() {
    return director;
  }
  public void setDirector(String director) {
    this.director = director;
  }
}

package org.test.design.build;
public class Book extends Product {
  private int price=0;
  public int getPrice() {
    return price;
  }
  public void setPrice(int price) {
    this.price = price;
  }
}

package org.test.design.build;
/**
 * 對(duì)象的構(gòu)建邏輯描述
 * 影視，書籍等作品創(chuàng)建步驟
 * @author lushuaiyin
 *
 */
public interface Builder {
  void recruiting();//人員招募
  void writeScript();//寫劇本，書
  void raiseFunds();//籌集資金
  void propagate();//宣傳
  void released();//出版，發(fā)行，上映
  Product buildProduct();
}

package org.test.design.build;
/**
 * Movie對(duì)象的構(gòu)建邏輯具體實(shí)施
 * @author lushuaiyin
 *
 */
public class MovieBuilder implements Builder {
  public Product movie=new Movie();//這里是上轉(zhuǎn)型對(duì)象的使用
  /*
   假如我們創(chuàng)建的對(duì)象只關(guān)心行為特征，那么就可以使用父類或者接口來(lái)聲明對(duì)象。
  這樣就不會(huì)在創(chuàng)建的時(shí)候就不會(huì)涉及到具體對(duì)象類的其他私有屬性。
  如果我們?cè)趧?chuàng)建的時(shí)候，關(guān)心這些屬性。那么就直接使用子類new出對(duì)象。
  Movie movie=new Movie();
   */
  public void recruiting() {
    movie.setAuthor("詹姆斯·卡梅隆");
  }
  public void writeScript() {
    movie.setWorkName("阿凡達(dá)");
  }
  public void raiseFunds() {
    movie.setFunds(200000);
  }
  public void propagate() {
    movie.setContent("首部3D科幻巨作！");
  }
  public void released() {
    movie.setWorkType("3D電影");
  }
  public Product buildProduct() {
    return movie;
  }
}

package org.test.design.build;
/**
 * Book對(duì)象的構(gòu)建邏輯具體實(shí)施
 * @author lushuaiyin
 *
 */
public class BookBuilder implements Builder {
  public Product book=new Book();//這里是上轉(zhuǎn)型對(duì)象的使用
  public void recruiting() {
    book.setAuthor("J.K.羅琳著小說(shuō)");
  }
  public void writeScript() {
    book.setWorkName("哈利·波特與魔法石");
  }
  public void raiseFunds() {
    book.setFunds(10000);
  }
  public void propagate() {
    book.setContent("最暢銷的的魔幻小說(shuō)！");
  }
  public void released() {
    book.setWorkType("小說(shuō)");
  }
  public Product buildProduct() {
    return book;
  }
}

package org.test.design.build;
/**
 * 指揮者角色
 * @author lushuaiyin
 *
 */
public class Director {
  public Product bulidProduct(Builder builder){
    builder.raiseFunds();//籌集資金
    builder.recruiting();//招募人員
    builder.propagate();//宣傳
    builder.released();//發(fā)行，上映
    return builder.buildProduct();
  }
}

package org.test.design.build;
public class TestMain {
  /**
   * @param args
   */
  public static void main(String[] args) {
    Director director=new Director();//指揮者角色
    //一部電影的產(chǎn)生
    MovieBuilder movieBuilder=new MovieBuilder();
    Product movie=director.bulidProduct(movieBuilder);
    System.out.println(movie.printString());
    // 一部小說(shuō)的產(chǎn)生
    BookBuilder bookBuilder=new BookBuilder();
    Product book=director.bulidProduct(bookBuilder);
    System.out.println(book.printString());
  }
}
/*打印
Product [author=詹姆斯·卡梅隆, funds=200000, workName=null, workType=3D電影, content=首部3D科幻巨作！]
Product [author=J.K.羅琳著小說(shuō), funds=10000, workName=null, workType=小說(shuō), content=最暢銷的的魔幻小說(shuō)！]
*/