javaweb之构建一个工具类，如何在cookies中找到特定名字的cookie并返回

package tools;

import javax.servlet.http.Cookie;

public class Cookiechoose {

	public static Cookie CookiegetCookieByName(Cookie[] cookies,String cookieName) {
		if(cookies==null) {
			return null;
		}else {
			for(Cookie cookie:cookies) {
				if(cookie.getName().equals(cookieName)) {
					return cookie;
				}
			}
			return null;
		}
	}

}