软件设计模式————(抽象工厂模式)

[实验任务一]:人与肤色

使用抽象工厂模式,完成下述产品等级结构:

 

实验要求:

1.画出对应的类图;

 

2.提交源代码;

public class BlackFactory implements PeopleFactory
{
    @Override
    public Man produceMan()
    {
        return new BlackMan();
    }
 
    @Override
    public Woman produceWoman()
    {
        return new BlackWoman();
    }
}
 
 
public class BlackMan implements Man
{
    @Override
    public void show()
    {
        System.out.println("一个黑种男人");
    }
}
 
 
public class BlackWoman implements Woman
{
    @Override
    public void show()
    {
        System.out.println("一个黑种女人");
    }
}
 
 
public class Client
{
    public static void main(String[] args)
    {
        try
        {
            PeopleFactory factory;
            Man man;
            Woman woman;
 
            //根据xml配置文件动态实例对象
            factory = (PeopleFactory) XMLUtil.getBean();
 
            man = factory.produceMan();
            man.show();
 
            woman = factory.produceWoman();
            woman.show();
        }
        catch (Exception e)
        {
            System.out.println(e.getMessage());
        }
    }
}
 
 
public interface Man
{
    void show();
}
 
 
public interface PeopleFactory
{
    Man produceMan();
 
    Woman produceWoman();
}
 
public class WhiteFactory implements PeopleFactory
{
    @Override
    public Man produceMan()
    {
        return new WhiteMan();
    }
 
    @Override
    public Woman produceWoman()
    {
        return new WhiteWoman();
    }
}
 
public class WhiteMan implements Man
{
    @Override
    public void show()
    {
        System.out.println("一个白种男人");
    }
}
 
public class WhiteWoman implements Woman
{
    @Override
    public void show()
    {
        System.out.println("一个白种女人");
    }
}
 
public interface Woman
{
    void show();
}
 
 
 
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
 
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import java.io.File;
 
public class XMLUtil
{
    public static Object getBean()
    {
        try
        {
            //创建DOM文档对象
            DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance();
            DocumentBuilder builder = dFactory.newDocumentBuilder();
            Document doc = builder.parse(new File("src/main/resources/config4.xml"));
 
            //获取包含类名的文本节点
            NodeList nl = doc.getElementsByTagName("className");
            Node classNode = nl.item(0).getFirstChild();
            String cName = classNode.getNodeValue();
 
            //通过类名生成实例对象并将其返回
            Class c = Class.forName(cName);
            Object obj = c.newInstance();
            return obj;
        }
        catch (Exception e)
        {
            e.printStackTrace();
            return null;
        }
    }
}
 
 
public class YellowFactory implements PeopleFactory
{
    @Override
    public Man produceMan()
    {
        return new YellowMan();
    }
 
    @Override
    public Woman produceWoman()
    {
        return new YellowWoman();
    }
}
 
 
public class YellowMan implements Man
{
    @Override
    public void show()
    {
        System.out.println("一个黄种男人");
    }
}
 
 
public class YellowWoman implements Woman
{
    @Override
    public void show()
    {
        System.out.println("一个黄种女人");
    }
}
 
 

  

3.注意编程规范。

posted @ 2024-11-21 14:10  财神给你送元宝  阅读(2)  评论(0编辑  收藏  举报