authorizeutils.java

达内网上购物系统

package org.whatisjava.dang.util;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.whatisjava.dang.domain.User;
import org.whatisjava.dang.service.AuthorizeService;

public class AuthorizeUtils {

	public static boolean isLogin(HttpServletRequest request, AuthorizeService as)
			throws Exception {
		as = new AuthorizeService();
		boolean isLogin = false;
		HttpSession session = request.getSession();
		if (session.getAttribute(Constants.SID_USER) != null) {
			isLogin = true;
		} else {
			String id = CookieUtils.findCookie(request, CookieUtils.USER_ID);
			if (id != null) {
				User user = as.getUser(Integer.valueOf(id));
				if (user != null) {
					session = request.getSession();
					session.setAttribute(Constants.SID_USER, user);
					isLogin = true;
				}
			}
		}

		return isLogin;
	}
}