Java 设计模式 之 建造模式

http://www.verejava.com/?id=16999036622561

package com.builder.theory;

public class TestBuilder
{
    public static void main(String[] args)
    {
        Car car=Director.construct(new ConcreteBuilder());
        System.out.println(car.getHead());
        System.out.println(car.getBody());
        System.out.println(car.getFoot());
    }
}





package com.builder.theory;

public class Car
{
    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;
    }
    
    
}





package com.builder.theory;

public class Director
{
    public static Car construct(Builder builder)
    {
        builder.buildHead();
        builder.buildBody();
        builder.buildFoot();
        return builder.buildPart();
    }
}





package com.builder.theory;

public interface Builder
{
    public void buildHead();
    public void buildBody();
    public void buildFoot();
    public Car buildPart();
}





package com.builder.theory;

public class ConcreteBuilder implements Builder
{
    Car car=null;
    
    public ConcreteBuilder()
    {
        car=new Car();
    }
    

    @Override
    public void buildHead()
    {
        car.setHead("汽车头部建造完成");
        
    }

    @Override
    public void buildBody()
    {
        car.setBody("汽车身体建造完成");
    }

    @Override
    public void buildFoot()
    {
        car.setFoot("汽车尾部建造完成");
    }

    @Override
    public Car buildPart()
    {
        return car;
    }

}

http://www.verejava.com/?id=16999036622561