Java tutorial
/* * Copyright (c) 2008-2013 Computer Network Information Center (CNIC), Chinese Academy of Sciences. * * 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 cn.vlabs.umt.ui.servlet; import java.io.IOException; import javax.servlet.RequestDispatcher; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.beans.factory.BeanFactory; import cn.vlabs.umt.common.util.RequestUtil; import cn.vlabs.umt.domain.UMTLog; import cn.vlabs.umt.services.account.IAccountService; import cn.vlabs.umt.services.user.UserService; import cn.vlabs.umt.services.user.bean.LoginInfo; import cn.vlabs.umt.services.user.bean.Token; import cn.vlabs.umt.services.user.bean.User; import cn.vlabs.umt.services.user.bean.UsernamePasswordCredential; import cn.vlabs.umt.services.user.service.ITokenService; import cn.vlabs.umt.services.user.utils.ServiceFactory; import cn.vlabs.umt.ui.Attributes; import cn.vlabs.umt.ui.MessagePage; import cn.vlabs.umt.ui.UMTContext; import cn.vlabs.umt.validate.domain.ErrorMsgs; import cn.vlabs.umt.validate.formValidator.impl.UpdatePasswordFormValidator; public class UpdatePasswordServlet extends HttpServlet { private static final long serialVersionUID = 1L; public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String act = request.getParameter("act"); if ("cancel".equals(act)) { doCancel(request, response); } else if ("updatepass".equals(act)) { doUpdate(request, response); } else { doShowJSP(request, response); } } private void doUpdate(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ErrorMsgs msgs = new UpdatePasswordFormValidator(request).validateForm(); Token token = (Token) request.getSession().getAttribute("TokenObject"); if (!msgs.isPass()) { request.setAttribute("username", service.getUserByUid(token.getUid()).getCstnetId()); forward("/inputpassword.jsp", request, response); return; } if (token == null) { MessagePage.showNoMenuPage("remindpass.invalid.token", request, response); return; } String password = request.getParameter("password"); User user = service.getUserByUid(token.getUid()); if (user.isCoreMailOrUc()) { service.updateCoreMailPassword(user.getCstnetId(), password); } else { service.updatePassword(token.getUid(), password); } request.getSession(true).invalidate(); LoginInfo info = ServiceFactory.getLoginService(request) .loginAndReturnPasswordType(new UsernamePasswordCredential(user.getCstnetId(), password)); UMTContext.saveUser(request.getSession(true), info); tokenService.toUsed(token.getId()); logService.log(UMTLog.EVENT_TYPE_CHANGE_PASSWORD, user.getId(), RequestUtil.getRemoteIP(request), RequestUtil.getBrowseType(request)); request.getSession().removeAttribute("TokenObject"); MessagePage.showNoMenuPage("remindpass.update.success", request, response); } private void doShowJSP(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String tokenidString = request.getParameter("tokenid"); String random = request.getParameter("random"); request.setAttribute("isStatic", "true"); try { int tokenid = Integer.parseInt(tokenidString); if (tokenService.isValid(tokenid, random, Token.OPERATION_CHANGE_PASSWORD)) { Token token = tokenService.getTokenById(tokenid); request.getSession().setAttribute("TokenObject", token); request.setAttribute("username", service.getUserByUid(token.getUid()).getCstnetId()); forward("/inputpassword.jsp", request, response); } else { MessagePage.showNoMenuPage("remindpass.invalid.token", request, response); } } catch (NumberFormatException e) { MessagePage.showNoMenuPage("remindpass.invalid.token", request, response); } } private void doCancel(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String tokenidString = request.getParameter("tokenid"); String random = request.getParameter("random"); try { int tokenid = Integer.parseInt(tokenidString); if (tokenService.isValid(tokenid, random, Token.OPERATION_CHANGE_PASSWORD)) { service.removeToken(tokenid); MessagePage.showNoMenuPage("remindpass.cancel.success", request, response); } else { MessagePage.showNoMenuPage("remindpass.invalid.token", request, response); } } catch (NumberFormatException e) { MessagePage.showNoMenuPage("remindpass.invalid.token", request, response); } } private void forward(String url, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { RequestDispatcher rd = getServletContext().getRequestDispatcher(url); rd.forward(request, response); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } public void init() throws ServletException { BeanFactory factory = (BeanFactory) getServletContext().getAttribute(Attributes.APPLICATION_CONTEXT_KEY); service = (UserService) factory.getBean("UserService"); tokenService = (ITokenService) factory.getBean(ITokenService.BEAN_ID); logService = (IAccountService) factory.getBean(IAccountService.BEAN_ID); } private UserService service; private ITokenService tokenService; private IAccountService logService; }