软件设计                  石家庄铁道大学信息学院

实验4：抽象工厂模式

本次实验属于模仿型实验，通过本次实验学生将掌握以下内容：

1、理解抽象工厂模式的动机，掌握该模式的结构；

2、能够利用抽象工厂模式解决实际问题。

[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；

运行截图如下

源代码

package com.sjms;  
public interface AbstractFactory {  
public Man produceMan();  
public Woman produceWomen();  
}  
package com.sjms;  
public class BlackHuman implements AbstractFactory{  
@Override  
public Man produceMan() {  
return new BlackMan();  
}  
@Override  
public Woman produceWomen() {  
return new BlackWoman();  
}  
}  
package com.sjms;  
public class WriteHuman implements AbstractFactory{  
@Override  
public Man produceMan() {  
return new WriteMan();  
}  
@Override  
public Woman produceWomen() {  
return new WriteWoman();  
}  
}
package com.sjms;  
public class YellowHuman implements AbstractFactory{  
@Override  
public Man produceMan() {  
return new YellowMan();  
}  
@Override  
public Woman produceWomen() {  
return new YellowWoman();  
}  
} 
package com.sjms;  
public interface Man {  
public void play();  
}  
package com.sjms;  
public interface Woman {  
public void play();  
}  
package com.sjms;  
public class BlackMan implements Man{  
@Override  
public void play() {  
System.out.println("我是黑种男人!");  
}  
}  
package com.sjms;  
public class BlackWoman implements Woman{  
@Override  
public void play() {  
System.out.println("我是黑种女人!");  
}  
}  
package com.sjms;  
public class WriteMan implements Man {  
@Override  
public void play() {  
System.out.println("我是白种男人!");  
}  
} 
package com.sjms;  
public class WriteWoman implements Woman{  
@Override  
public void play() {  
System.out.println("我是白种女人!");  
}  
}  
package com.sjms;  
public class YellowMan implements Man{  
public void play()  
{  
System.out.println("我是黄种男人!");  
}  
}  
package com.sjms;  
public class YellowWoman implements Woman{  
@Override  
public void play() {  
System.out.println("我是黄种女人!");  
}  
}  
package com.sjms.Util;  
import org.w3c.dom.*;  
import javax.xml.parsers.*;  
import java.io.File;  
//工具类  
public class XMLUtil {  
//生成配置文件中一个名字的实例对象  
public static Object getBean(){  
try {  
//创建DOM对象  
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();  
//文件解析器--由它读配置文件  
DocumentBuilder builder = factory.newDocumentBuilder();  
Document doc;  
//用磁盘绝对路径表示配置文件，写你的config.xml的绝对路径  
doc = builder.parse(new File("D:\\JAVA\\CODE\\rjgz\\a1\\t5\\src\\main\\java\\com\\sjms\\Util\\config.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();  
//反射，用类名生产实例对象  
Class c = Class.forName(cName);  
Object obj = c.newInstance();  
return obj;  
}catch (Exception e){  
e.printStackTrace();  
return null;  
}  
}  
}  
package com.sjms;  
import com.sjms.Util.XMLUtil;  
public class Client  
{  
public static void main(String args[])  
{  
try  
{  
AbstractFactory factory;  
Man m;  
Woman w;  
factory=(AbstractFactory) XMLUtil.getBean();  
m=factory.produceMan();  
m.play();  
w=factory.produceWomen();  
w.play();  
}  
catch(Exception e)  
{  
System.out.println(e.getMessage());  
}  
}  
}