桥接模式-- 将抽象和实现解耦利用一个类似于桥的类

本文链接：https://blog.youkuaiyun.com/we1less/article/details/112447373

博客给出了桥接模式相关的类代码示例，包含Phone.java桥类，Brand.java，以及具体品牌类HuaWei.java、Oppo.java，还有UpRightPhone.java和Client.java等，体现了桥接模式的应用。

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Phone.java 桥类

package com.godv.bridge;

//桥接类  与类型繁多的抽象接口桥接
public abstract class Phone {

	Brand brand;

	public Phone(Brand brand) {
		super();
		this.brand = brand;
	}

	public void open() {
		if (brand != null) {
			brand.open();
		}
	}

	public void close() {
		if (brand != null) {
			brand.close();
		}
	}

	public void call() {
		if (brand != null) {
			brand.call();
		}
	}
}

Brand.java

package com.godv.bridge;

//品牌抽象接口
public interface Brand {
	void open();

	void close();

	void call();
}

HuaWei.java / Oppo.java

package com.godv.bridge;

public class HuaWei implements Brand {

	private String name = "HUAWEI";

	@Override
	public void open() {
		// TODO Auto-generated method stub
		System.out.println(name + "开机");
	}

	@Override
	public void close() {
		// TODO Auto-generated method stub
		System.out.println(name + "关机");
	}

	@Override
	public void call() {
		// TODO Auto-generated method stub
		System.out.println(name + "打电话");
	}
}

UpRightPhone.java

package com.godv.bridge;

public class UpRightPhone extends Phone{

	public UpRightPhone(Brand brand) {
		super(brand);
	}
	
	public void open() {
		super.open();
		System.out.println(" 折叠样式手机 ");
	}
	
	public void close() {
		super.close();
		System.out.println(" 折叠样式手机 ");
	}
	
	public void call() {
		super.call();
		System.out.println(" 折叠样式手机 ");
	}
}

Client.java

package com.godv.bridge;

public class Client {

	public static void main(String[] args) {
		Phone phone = new UpRightPhone(new Oppo());
		phone.open();
		phone.call();
		phone.close();
	}
}