设计模式——适配器模式

package net.dp.adapter.ducks;

public interface Duck {
	public void quack();

	public void fly();
}

package net.dp.adapter.ducks;

public interface Turkey {
	public void gobble();

	public void fly();
}

package net.dp.adapter.ducks;

public class WildTurkey implements Turkey {
	public void gobble() {
		System.out.println("Gobble gobble");
	}

	public void fly() {
		System.out.println("I‘m flying a short distance");
	}
}

package net.dp.adapter.ducks;

public class TurkeyAdapter implements Duck {
	Turkey turkey;

	public TurkeyAdapter(Turkey turkey) {
		this.turkey = turkey;
	}

	public void quack() {
		turkey.gobble();
	}

	public void fly() {
		for (int i = 0; i < 5; i++) {
			turkey.fly();
		}
	}
}

package net.dp.adapter.ducks;

public class DuckTestDrive {
	public static void main(String[] args) {

		WildTurkey turkey = new WildTurkey();
		Duck turkeyAdapter = new TurkeyAdapter(turkey);

		testDuck(turkeyAdapter);
	}

	static void testDuck(Duck duck) {
		duck.quack();
		duck.fly();
	}
}