Java HttpSession.getAttribute方法代码示例

import javax.servlet.http.HttpSession; //导入方法依赖的package包/类
private AssessmentUser getCurrentUser(Long sessionId) {
IAssessmentService service = getAssessmentService();

// try to get form system session
HttpSession ss = SessionManager.getSession();
// get back login user DTO
UserDTO user = (UserDTO) ss.getAttribute(AttributeNames.USER);
AssessmentUser assessmentUser = service.getUserByIDAndSession(new Long(user.getUserID().intValue()), sessionId);

if (assessmentUser == null) {
    AssessmentSession session = service.getAssessmentSessionBySessionId(sessionId);
    assessmentUser = new AssessmentUser(user, session);
    service.createUser(assessmentUser);
}
return assessmentUser;
   }
 

import javax.servlet.http.HttpSession; //导入方法依赖的package包/类
@GetMapping("/viewProfile")
public ModelAndView viewProfile(HttpSession session, Model model) {
    log.info("Inside viewProfile method of Registration Controller.");
    Employee employee = (Employee) session.getAttribute("user");
    //Check if the employee object exist in the session.
    if (employee == null) {
        log.error("Cannot find employee object in the session, so forwarding to Login page");
        model.addAttribute("css", "danger");
        model.addAttribute("msg", "Your session expired, please login to continue!!");
        return new ModelAndView("redirect:/login");
    }
    model.addAttribute("employee", employee);
    if (employee.isEmployeeRole()) {
        return new ModelAndView("employee/viewProfile");
    } else if (employee.isSupervisorRole()) {
        return new ModelAndView("staff/viewProfileStaff");
    } else if (employee.isAdminRole()) {
        return new ModelAndView("staff/viewProfileStaff");
    } else {
        log.error("Cannot validate the role. Redirecting to the Login page.");
        model.addAttribute("css", "danger");
        model.addAttribute("msg", "Cannot validate the role, please login to continue!!");
        return new ModelAndView("redirect:/login");
    }

}
 

import javax.servlet.http.HttpSession; //导入方法依赖的package包/类
/**
 * 教育官网首页
 */
@GetMapping("/home")
public String home(Model model, HttpServletRequest request, HttpSession session) {
    Integer newpv = (Integer) session.getAttribute("is_new");
    if (newpv == null) {
        try {
            TzPv pv = new TzPv();
            pv.setUserip(Utils.getIpAddress(request));
            pv.setUseragent(request.getHeader("User-Agent"));
            pv.setVisittime(new Timestamp(System.currentTimeMillis()));
            pv.setModule(2);
            this.tzPvService.insert(pv);
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        session.setAttribute("is_new", 1);
    }
    model.addAttribute("type", 1);
    return "edu_index";
}
 

import javax.servlet.http.HttpSession; //导入方法依赖的package包/类
/**
 * 最后一步，保存数据
 * 
 * @param session
 * @return
 */
@ResponseBody
@RequestMapping(value="/classes",method =RequestMethod.POST)
public Map<String, Object> save(HttpSession session) {
	List<BaseClass> list = (List<BaseClass>) session.getAttribute(SessionKey.FETCH_MAJOR_BASECLASS_DATA_LIST.toString());
	int addCount = 0;
	int existCount = 0;
	// 写入数据库
	for (BaseClass bc : list) {
		try {
			baseClassService.addBaseClass(bc);
			addCount++;
		} catch (ObjectExistsException e) {
			existCount++;
		}
	}
	Map<String, Integer> result = new HashMap<String, Integer>();
	result.put("addCount", addCount);
	result.put("existCount", existCount);
	return WebUtils.webJsonResult(result);
}
 

import javax.servlet.http.HttpSession; //导入方法依赖的package包/类
@Override
public void filter(ContainerRequestContext requestContext) throws IOException {
    final HttpSession session = httpServletRequest.getSession(false);
    if (null == session || null == session.getAttribute(attributeName)) {
        requestContext.abortWith(Response.seeOther(URI.create("/")).build());
    }
}
 

import javax.servlet.http.HttpSession; //导入方法依赖的package包/类
@ResponseBody
@RequestMapping("/arrangement")
public CommonResult arrangement(MultipartFile multipartFile, Homework homework, HttpSession session) {
    if (multipartFile == null)
        return new CommonResult("文件为空", false);
    else if (homework.getCourseClassId() == null)
        return new CommonResult("班级为空", false);
    else if (!FileFormatUtils.isPackage(multipartFile.getOriginalFilename()))
        return new CommonResult("文件格式不是压缩包", false);
    else if (multipartFile.getSize() > FILE_SIZE)
        return new CommonResult("文件大小超出限制", false);
    else if (StringUtils.isEmpty(homework.getHomeworkName(), homework.getContent()))
        return new CommonResult("作业名称或正文不能为空", false);
    else {
        if (homework.getHomeworkName().length() > TITLE_SIZE) {
            if (homework.getContent().length() > CONTENT_SIZE)
                return new CommonResult("作业名称和正文太长", false);
            else
                return new CommonResult("作业名称太长", false);
        } else if (homework.getContent().length() > CONTENT_SIZE)
            return new CommonResult("正文太长", false);
    }

    User user = (User)session.getAttribute("user");
    homework.setAnnouncerId(user.getId());
    if (homeworkService.arrangement(homework, multipartFile)) {
        return new CommonResult("成功", true);
    } else
        return new CommonResult("添加作业失败", false);
}
 

import javax.servlet.http.HttpSession; //导入方法依赖的package包/类
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    HotelService service = new HotelService();
    HotelDAO dao = new HotelDAO();

    RelatorioDAO relatorioDAO = new RelatorioDAO();
    RelatorioMudancas relatorio = new RelatorioMudancas();

    String nome_hotel = request.getParameter("nome_hotel");
    String data_entrada = request.getParameter("data_entrada");
    String data_saida = request.getParameter("data_saida");
    int quantidade_quartos = Integer.parseInt(request.getParameter("quantidade_quartos"));
    int quantidade_hospedes = Integer.parseInt(request.getParameter("quantidade_hospedes"));
    float preco = Float.parseFloat(request.getParameter("preco"));

    request.setAttribute("erroNome_hotel", service.validaNome(nome_hotel));
    request.setAttribute("erroData_entrada", service.validaEntrada(data_entrada));
    request.setAttribute("erroData_saida", service.validaSaida(data_saida));
    request.setAttribute("erroQuantidade_quartos", service.validaQuantidade_quartos(quantidade_quartos));
    request.setAttribute("erroQuantidade_hospedes", service.validaQuantidade_hospedes(quantidade_hospedes));
    request.setAttribute("erroPreco", service.validaPreco(preco));

    Hotel hotel = new Hotel(nome_hotel.trim(), data_entrada.trim(), data_saida.trim(),
            quantidade_quartos, quantidade_hospedes, preco, true);

    if (service.validaHotel(nome_hotel, quantidade_quartos, data_entrada, data_saida, quantidade_hospedes, preco)) {
        RequestDispatcher dispatcher = request.getRequestDispatcher("WEB-INF/jsp/CadastroHotel.jsp");
        dispatcher.forward(request, response);
    } else {
        try {

            dao.inserir(hotel);
            HttpSession sessao = request.getSession();
            int identificacaoF = (int) sessao.getAttribute("id_func");
            relatorio.setId_func(identificacaoF);
            relatorio.setMudanca("Cadastro de hotel efetuado!");
            relatorioDAO.inserir(relatorio);
            response.sendRedirect(request.getContextPath() + "/inicio");

        } catch (Exception ex) {

            Logger.getLogger(CadastroHotelServlet.class.getName()).log(Level.SEVERE, null, ex);

        }
    }
}
 

import javax.servlet.http.HttpSession; //导入方法依赖的package包/类
/**
 * 检测Session对象是否有效
 *
 * @param request
 * @return
 */
public static boolean sessionCheck(HttpSession session) {
    if (session.getAttribute(Const.SESSION_USER) == null) {
        return false;
    }
    return true;
}
 

import javax.servlet.http.HttpSession; //导入方法依赖的package包/类
public void load(HttpSession session) {
      iMinRoomSize = (String)session.getAttribute("RoomList.MinRoomSize");
      iMaxRoomSize = (String)session.getAttribute("RoomList.MaxRoomSize");
      iFilter = (String)session.getAttribute("RoomList.Filter");
      iRoomTypes = (Long[]) session.getAttribute("RoomList.RoomTypes");
      iRoomGroups = (Long[]) session.getAttribute("RoomList.RoomGroups");
iRoomFeatures = (Long[]) session.getAttribute("RoomList.RoomFeatures");
  }
 

import javax.servlet.http.HttpSession; //导入方法依赖的package包/类
@RequestMapping("select_all.do")
public ServerResponse<CartVo> selectAll(HttpSession session) {
    User user = (User) session.getAttribute(Const.CURRENT_USER);
    if (user == null) {
        return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(), ResponseCode.NEED_LOGIN.getDesc());
    }
    return iCartService.selectOrUnSelect(user.getId(), null, Const.Cart.CHECKED);
}
 

import javax.servlet.http.HttpSession; //导入方法依赖的package包/类
private void setAttributeInternal(HttpSession session, String key, Object attribute)
{
	final String realKey = getKey(key);
	SerialisedValue<?> oldValue = (SerialisedValue<?>) session.getAttribute(realKey);
	SerialisedValue<?> newValue = new SerialisedValue<Object>(attribute);
	if( oldValue == null || !Arrays.equals(oldValue.getData(), newValue.getData()) )
	{
		session.setAttribute(realKey, newValue);
	}
}
 

import javax.servlet.http.HttpSession; //导入方法依赖的package包/类
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
		throws IOException, ServletException {

	HttpSession session = ((HttpServletRequest) request).getSession();

	if (session.getAttribute("user") == null) {
		session.setAttribute("error",
				"You have been logged out due to inactivity or invalid authentication. Please login again.");
		((HttpServletResponse) response).sendRedirect("candidate-login.jsp");
	} else {
		chain.doFilter(request, response);
	}

}
 

import javax.servlet.http.HttpSession; //导入方法依赖的package包/类
private ActionForward summary(ActionMapping mapping, ActionForm form, HttpServletRequest request,
    HttpServletResponse response) {

initializeScratchieService();
// initialize Session Map
SessionMap<String, Object> sessionMap = new SessionMap<String, Object>();
request.getSession().setAttribute(sessionMap.getSessionID(), sessionMap);
request.setAttribute(ScratchieConstants.ATTR_SESSION_MAP_ID, sessionMap.getSessionID());

Long contentId = WebUtil.readLongParam(request, AttributeNames.PARAM_TOOL_CONTENT_ID);
List<GroupSummary> summaryList = service.getMonitoringSummary(contentId, true);

Scratchie scratchie = service.getScratchieByContentId(contentId);
Set<ScratchieUser> learners = service.getAllLeaders(contentId);

//set SubmissionDeadline, if any
if (scratchie.getSubmissionDeadline() != null) {
    Date submissionDeadline = scratchie.getSubmissionDeadline();
    HttpSession ss = SessionManager.getSession();
    UserDTO teacher = (UserDTO) ss.getAttribute(AttributeNames.USER);
    TimeZone teacherTimeZone = teacher.getTimeZone();
    Date tzSubmissionDeadline = DateUtil.convertToTimeZoneFromDefault(teacherTimeZone, submissionDeadline);
    request.setAttribute(ScratchieConstants.ATTR_SUBMISSION_DEADLINE, tzSubmissionDeadline.getTime());
    request.setAttribute(ScratchieConstants.ATTR_SUBMISSION_DEADLINE_DATESTRING, DateUtil.convertToStringForJSON(submissionDeadline, request.getLocale()));
}

// cache into sessionMap
boolean isGroupedActivity = service.isGroupedActivity(contentId);
sessionMap.put(ScratchieConstants.ATTR_IS_GROUPED_ACTIVITY, isGroupedActivity);
sessionMap.put(ScratchieConstants.ATTR_SUMMARY_LIST, summaryList);
sessionMap.put(ScratchieConstants.ATTR_SCRATCHIE, scratchie);
sessionMap.put(ScratchieConstants.ATTR_LEARNERS, learners);
sessionMap.put(ScratchieConstants.ATTR_TOOL_CONTENT_ID, contentId);
sessionMap.put(AttributeNames.PARAM_CONTENT_FOLDER_ID,
	WebUtil.readStrParam(request, AttributeNames.PARAM_CONTENT_FOLDER_ID));
sessionMap.put(ScratchieConstants.ATTR_REFLECTION_ON, scratchie.isReflectOnActivity());

// Create BurningQuestionsDtos if BurningQuestions is enabled.
if (scratchie.isBurningQuestionsEnabled()) {
    List<BurningQuestionItemDTO> burningQuestionItemDtos = service.getBurningQuestionDtos(scratchie, null, true);
    sessionMap.put(ScratchieConstants.ATTR_BURNING_QUESTION_ITEM_DTOS, burningQuestionItemDtos);
}

// Create reflectList if reflection is enabled.
if (scratchie.isReflectOnActivity()) {
    List<ReflectDTO> reflections = service.getReflectionList(contentId);
    sessionMap.put(ScratchieConstants.ATTR_REFLECTIONS, reflections);
}

return mapping.findForward(ScratchieConstants.SUCCESS);
   }
 

import javax.servlet.http.HttpSession; //导入方法依赖的package包/类
private Integer getUserId() {
// return new Integer(WebUtil.readIntParam(request,AttributeNames.PARAM_USER_ID));
HttpSession ss = SessionManager.getSession();
UserDTO user = (UserDTO) ss.getAttribute(AttributeNames.USER);
return user != null ? user.getUserID() : null;
   }
 

import javax.servlet.http.HttpSession; //导入方法依赖的package包/类
public void execute(HttpSession session, @Param("pageIndex") int pageIndex, @Param("searchKey") String searchKey, Context context)
                                                                                                     throws Exception {
	@SuppressWarnings("unchecked")
    Map<String, Object> condition = new HashMap<String, Object>();
    if ("请输入关键字(目前支持Node的ID、名字搜索)".equals(searchKey)) {
        searchKey = "";
    }
    condition.put("searchKey", searchKey);
    
    //System.out.println("cannal列表："+pageIndex+","+);
	User userInfo = (User) session.getAttribute(WebConstant.USER_SESSION_KEY);
    if(userInfo != null && userInfo.getAuthorizeType().isAdmin())//确定是否进行过滤
    	condition.put("userId", userInfo.getId());

    int count = canalService.getCount(condition);
    Paginator paginator = new Paginator();
    paginator.setItems(count);
    paginator.setPage(pageIndex);

    condition.put("offset", paginator.getOffset());
    condition.put("length", paginator.getLength());

    List<Canal> canals = canalService.listByCondition(condition);

    List<SeniorCanal> seniorCanals = new ArrayList<SeniorCanal>();

    for (Canal canal : canals) {
    	SeniorCanal seniorCanal = new SeniorCanal();
        seniorCanal.setId(canal.getId());
        seniorCanal.setName(canal.getName());
        seniorCanal.setStatus(canal.getStatus());
        seniorCanal.setDesc(canal.getDesc());
        seniorCanal.setCanalParameter(canal.getCanalParameter());
        seniorCanal.setGmtCreate(canal.getGmtCreate());
        seniorCanal.setGmtModified(canal.getGmtModified());

        List<Pipeline> pipelines = pipelineService.listByDestinationWithoutOther(canal.getName());
        seniorCanal.setPipelines(pipelines);
        seniorCanal.setUsed(!pipelines.isEmpty());
        seniorCanals.add(seniorCanal);
    }
    context.put("seniorCanals", seniorCanals);
    context.put("paginator", paginator);
    context.put("searchKey", searchKey);
}