/*
* Copyright (c) 2002-2012 Alibaba Group Holding Limited.
* All rights reserved.
*
* 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 com.alibaba.sample.petstore.web.servlet;
import static com.alibaba.sample.petstore.web.common.PetstoreConstant.*;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.alibaba.sample.petstore.web.common.PetstoreUser;
/**
* 这个简单的servlet用来演示如何在普通的servlet中访问webx所管理的request/response/session等对象。你需要在webx
* framework filter的配置中，为这个servlet添加一个passthru过滤。
*
* @author Michael Zhou
*/
public class GetLoginUser extends HttpServlet {
private static final long serialVersionUID = 8852358774890544749L;
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/plain; charset=UTF-8");
PrintWriter out = response.getWriter();
PetstoreUser user = (PetstoreUser) request.getSession().getAttribute(PETSTORE_USER_SESSION_KEY);
if (user != null && user.hasLoggedIn()) {
out.print(user.getId());
} else {
out.print("guest");
}
out.flush();
}
}