吴裕雄--天生自然轻量级JAVA EE企业应用开发Struts2Sping4Hibernate整合开发学习笔记：企业应用开发的思考和策略_Bridge

/**
 * Description:
 * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee kongyeeku@163.com
 * @version  1.0
 */

public class PepperySytle implements Peppery
{
    // 实现"辣味"风格的方法
    public String style()
    {
        return "辣味很重，很过瘾...";
    }
}

/**
 * Description:
 * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee kongyeeku@163.com
 * @version  1.0
 */

public class PlainStyle implements Peppery
{
    // 实现"不辣"风格的方法
    public String style()
    {
        return "味道清淡，很养胃...";
    }
}

/**
 * Description:
 * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee kongyeeku@163.com
 * @version  1.0
 */

public class PorkyNoodle extends AbstractNoodle
{
    public PorkyNoodle(Peppery style)
    {
        super(style);
    }
    // 实现eat()抽象方法
    public void eat()
    {
        System.out.println("这是一碗稍嫌油腻的猪肉面条。"
            + super.style.style());
    }
}

/**
 * Description:
 * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee kongyeeku@163.com
 * @version  1.0
 */
public class Test
{
    public static void main(String[] args)
    {
        // 下面将得到“辣味”的牛肉面
        AbstractNoodle noodle1 = new BeefNoodle(
            new PepperySytle());
        noodle1.eat();
        // 下面将得到“不辣”的牛肉面
        AbstractNoodle noodle2 = new BeefNoodle(
            new PlainStyle());
        noodle2.eat();
        // 下面将得到“辣味”的猪肉面
        AbstractNoodle noodle3 = new PorkyNoodle(
            new PepperySytle());
        noodle3.eat();
        // 下面将得到“不辣”的猪肉面
        AbstractNoodle noodle4 = new PorkyNoodle(
            new PlainStyle());
        noodle4.eat();
    }
}

/**
 * Description:
 * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee kongyeeku@163.com
 * @version  1.0
 */

public abstract class AbstractNoodle
{
    // 组合一个Peppery变量，用于将该维度的变化独立出来
    protected Peppery style;
    // 每份Noodle必须组合一个Peppery对象
    public AbstractNoodle(Peppery style)
    {
        this.style = style;
    }
    public abstract void eat();
}

/**
 * Description:
 * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee kongyeeku@163.com
 * @version  1.0
 */

public class BeefNoodle extends AbstractNoodle
{
	public BeefNoodle(Peppery style)
	{
		super(style);
	}
	// 实现eat()抽象方法
	public void eat()
	{
		System.out.println("这是一碗美味的牛肉面条。"
			+ super.style.style());
	}
}

　　

/**
 * Description:
 * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee kongyeeku@163.com
 * @version  1.0
 */
public interface Peppery
{
	String style();
}