/*
 * Copyright 2002-2008 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
*/
package anyframe.sample.springmvc.web.interceptor;


import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
/**
 * interceptor  정의
 * session에 사용자 아이디가 있으면 true를 리턴하고 아니면 login.jsp 페이지로 이동한다.
 * @author Heewon Jung
 */
public class LoginInterceptor extends HandlerInterceptorAdapter{

	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object hadler) throws Exception {
		  if(request.getSession().getAttribute("userId")!=null)
	            return true;
	        else {
	            response.sendRedirect("login.jsp");
	            return false;
	        }
	}
}