Java HttpServletRequest.setAttribute方法代码示例

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@Override
   public ActionForward unspecified(ActionMapping mapping, ActionForm form, HttpServletRequest request,
    HttpServletResponse response) throws IOException {
if (!getSecurityService().isSysadmin(getUserID(), "display cleanup preview lessons", false)) {
    response.sendError(HttpServletResponse.SC_FORBIDDEN, "User is not a sysadmin");
    return null;
}

if (!(request.isUserInRole(Role.SYSADMIN))) {
    request.setAttribute("errorName", "CleanupPreviewLessonsAction");
    request.setAttribute("errorMessage", AdminServiceProxy.getMessageService(getServlet().getServletContext())
	    .getMessage("error.need.sysadmin"));
    return mapping.findForward("error");
}

long[] lessonCount = getLessonService().getPreviewLessonCount();
request.setAttribute("previewCount", lessonCount[0]);
request.setAttribute("allLessonCount", lessonCount[1]);

return mapping.findForward("cleanup");
   }
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
/**
    * Ajax call, will add one more input line for new survey item instruction.
    *
    * @param mapping
    * @param form
    * @param request
    * @param response
    * @return
    */
   private ActionForward newInstruction(ActionMapping mapping, ActionForm form, HttpServletRequest request,
    HttpServletResponse response) {
int count = NumberUtils.stringToInt(request.getParameter(AuthoringAction.INSTRUCTION_ITEM_COUNT), 0);
List instructionList = new ArrayList(++count);
for (int idx = 0; idx < count; idx++) {
    String item = request.getParameter(AuthoringAction.INSTRUCTION_ITEM_DESC_PREFIX + idx);
    if (item == null) {
	instructionList.add("");
    } else {
	instructionList.add(item);
    }
}
request.setAttribute(SurveyConstants.ATTR_INSTRUCTION_LIST, instructionList);
return mapping.findForward(SurveyConstants.SUCCESS);
   }
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@GetMapping(value = "/{cid}")
public String editArticle(@PathVariable String cid, HttpServletRequest request) {
    ContentVo contents = contentsService.getContents(cid);
    request.setAttribute("contents", contents);
    List<MetaVo> categories = metasService.getMetas(Types.CATEGORY.getType());
    request.setAttribute("categories", categories);
    request.setAttribute("active", "article");
    return "admin/article_edit";
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@Override
   public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
    HttpServletResponse response) throws IOException, ServletException, JSONException, DokumaranConfigurationException, URISyntaxException {
String param = mapping.getParameter();

request.setAttribute("initialTabId", WebUtil.readLongParam(request, AttributeNames.PARAM_CURRENT_TAB, true));

if (param.equals("summary")) {
    return summary(mapping, form, request, response);
} else if (param.equals("fixFaultySession")) {
    return fixFaultySession(mapping, form, request, response);
} else if (param.equals("launchTimeLimit")) {
    return launchTimeLimit(mapping, form, request, response);
} else if (param.equals("addOneMinute")) {
    return addOneMinute(mapping, form, request, response);
}

return mapping.findForward(DokumaranConstants.ERROR);
   }
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
/**
 * Checks if specific cookies exist and save their value as message.
 * 
 * @param request
 * @param response
 */
protected void checkforCookie(HttpServletRequest request, HttpServletResponse response) {
	if (request.getCookies() != null) {
		for (Cookie cook : request.getCookies()) {
			if (cook.getName().equals(MESSAGECOOKIE)) {
				request.setAttribute("message", cook.getValue().replaceAll("_", " "));
				cook.setMaxAge(0);
				response.addCookie(cook);
			} else if (cook.getName().equals(PRODUCTCOOKIE)) {
				request.setAttribute("numberProducts", cook.getValue());
			} else if (cook.getName().equals(ERRORMESSAGECOOKIE)) {
				request.setAttribute("errormessage", cook.getValue().replaceAll("_", " "));
				cook.setMaxAge(0);
				response.addCookie(cook);
			}
		}
	}
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
private void showModifyLessonPage(HttpServletRequest request, HttpServletResponse response, Context ctx)
    throws InitializationException, BbServiceException, PersistenceException, IOException, ServletException {

// retrive the LAMS lesson
BbPersistenceManager bbPm = PersistenceServiceFactory.getInstance().getDbPersistenceManager();
Container bbContainer = bbPm.getContainer();
Id contentId = new PkId(bbContainer, CourseDocument.DATA_TYPE, request.getParameter("content_id"));
ContentDbLoader courseDocumentLoader = (ContentDbLoader) bbPm.getLoader(ContentDbLoader.TYPE);
Content bbContent = (Content) courseDocumentLoader.loadById(contentId);

// get LAMS lessons's properties
Calendar startDate = bbContent.getStartDate();
Calendar endDate = bbContent.getEndDate();
FormattedText description = bbContent.getBody();

request.setAttribute("bbContent", bbContent);
request.setAttribute("startDate", startDate);
request.setAttribute("endDate", endDate);
request.setAttribute("description", description);

request.getRequestDispatcher("/modules/modify.jsp").forward(request, response);
   }
 

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

Long uid = WebUtil.readLongParam(request, ResourceConstants.ATTR_USER_UID);
Long sessionID = WebUtil.readLongParam(request, AttributeNames.PARAM_TOOL_SESSION_ID);

IResourceService service = getResourceService();
ResourceUser user = service.getUser(uid);
NotebookEntry notebookEntry = service.getEntry(sessionID, CoreNotebookConstants.NOTEBOOK_TOOL,
	ResourceConstants.TOOL_SIGNATURE, user.getUserId().intValue());

ResourceSession session = service.getResourceSessionBySessionId(sessionID);

ReflectDTO refDTO = new ReflectDTO(user);
if (notebookEntry == null) {
    refDTO.setFinishReflection(false);
    refDTO.setReflect(null);
} else {
    refDTO.setFinishReflection(true);
    refDTO.setReflect(notebookEntry.getEntry());
}
refDTO.setReflectInstrctions(session.getResource().getReflectInstructions());

request.setAttribute("userDTO", refDTO);
return mapping.findForward("success");
   }
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@RequestMapping(value = ACTION_LIST)
public String quartz(HttpServletRequest request,
		HttpServletResponse response) {
	try {
		Iterator<?> it = request.getParameterMap().entrySet().iterator();
		QuartzSchedule entity = new QuartzSchedule();
		while (it.hasNext()) {
			Map.Entry<?, ?> ent = (Entry<?, ?>) it.next();
			entity.setValue((String) ent.getKey(),
					((String[]) ent.getValue())[0]);
		}
		request.setAttribute("group", entity.getGroup());
		request.setAttribute("title", entity.getName());
		Map<?, ?> map = (Map<?, ?>) service.iQuartzScheduleService
				.selectByWhere(entity);
		List<?> list = service.iQuartzGroupService
				.selectByWhere(new QuartzGroup());
		request.setAttribute(LIST, list);
		request.setAttribute(ENTITY, map);
	} catch (SchedulerException e) {
		e.printStackTrace();
	}
	return VIEW_WIDGET + VIEW_QUARTZ + PAGE_LIST;
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
/**
    * Initializes import questions page.
    */
   private ActionForward importInit(ActionMapping mapping, ActionForm form, HttpServletRequest request,
    HttpServletResponse response) throws ServletException {
String sessionMapID = WebUtil.readStrParam(request, AssessmentConstants.ATTR_SESSION_MAP_ID);
request.setAttribute(AssessmentConstants.ATTR_SESSION_MAP_ID, sessionMapID);

return mapping.findForward(AssessmentConstants.SUCCESS);
   }
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@RequestMapping(value = ACTION_VIEW, method = RequestMethod.GET)
public String view(HttpServletRequest request, HttpServletResponse response)
		throws IOException {
	Iterator<?> it = request.getParameterMap().entrySet().iterator();
	KettleResult entity = new KettleResult();
	while (it.hasNext()) {
		Map.Entry<?, ?> ent = (Entry<?, ?>) it.next();
		entity.setValue((String) ent.getKey(),
				((String[]) ent.getValue())[0]);
	}
	entity = (KettleResult) service.iKettleResultService.select(entity);
	request.setAttribute("entity", entity);
	return VIEW_WIDGET + VIEW_KETTLE + VIEW_RESULT + PAGE_VIEW;
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
/**
 * Adds the specified errors keys into the appropriate request attribute
    * for use by the <html:errors> tag, if any messages are required.
 * Initialize the attribute if it has not already been. Otherwise, ensure
    * that the request attribute is not set.
 *
 * @param request   The servlet request we are processing
 * @param errors  Errors object
 * @since Struts 1.2.1
 */
protected void addErrors(
	HttpServletRequest request,
	ActionMessages errors) {

	if (errors == null){
		//	bad programmer! *slap*
		return;
	}

	// get any existing errors from the request, or make a new one
	ActionMessages requestErrors = (ActionMessages)request.getAttribute(Globals.ERROR_KEY);
	if (requestErrors == null){
		requestErrors = new ActionMessages();
	}
	// add incoming errors
	requestErrors.add(errors);

	// if still empty, just wipe it out from the request
	if (requestErrors.isEmpty()) {
		request.removeAttribute(Globals.ERROR_KEY);
		return;
	}

	// Save the errors
	request.setAttribute(Globals.ERROR_KEY, requestErrors);
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@Override
public void postHandle(HttpServletRequest request, //③
		HttpServletResponse response, Object handler,
		ModelAndView modelAndView) throws Exception {
	long startTime = (Long) request.getAttribute("startTime");
	request.removeAttribute("startTime");
	long endTime = System.currentTimeMillis();
	System.out.println("本次请求处理时间为:" + new Long(endTime - startTime)+"ms");
	request.setAttribute("handlingTime", endTime - startTime);
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@At
@Ok("beetl:/WEB-INF/base/department.html")
public void edit(@Param("id")Long id,
                  HttpServletRequest request){
    if(id == null || id == 0){
        request.setAttribute("department", null);
    }else{
        request.setAttribute("department", departmentService.fetch(id));
    }
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@Override
   public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
    HttpServletResponse response) throws Exception {

String param = mapping.getParameter();
// -----------------------Spreadsheet Author function ---------------------------
if (param.equals("start")) {
    ToolAccessMode mode = WebUtil.readToolAccessModeAuthorDefaulted(request);
    request.setAttribute(AttributeNames.ATTR_MODE, mode.toString());
    return start(mapping, form, request, response);
}
if (param.equals("definelater")) {
    // update define later flag to true
    Long contentId = new Long(WebUtil.readLongParam(request, AttributeNames.PARAM_TOOL_CONTENT_ID));
    ISpreadsheetService service = getSpreadsheetService();
    Spreadsheet spreadsheet = service.getSpreadsheetByContentId(contentId);

    spreadsheet.setDefineLater(true);
    service.saveOrUpdateSpreadsheet(spreadsheet);
    
    //audit log the teacher has started editing activity in monitor
    service.auditLogStartEditingActivityInMonitor(contentId);

    request.setAttribute(AttributeNames.ATTR_MODE, ToolAccessMode.TEACHER.toString());
    return start(mapping, form, request, response);
}
if (param.equals("initPage")) {
    return initPage(mapping, form, request, response);
}

if (param.equals("updateContent")) {
    return updateContent(mapping, form, request, response);
}

return mapping.findForward(SpreadsheetConstants.ERROR);
   }
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	Pessoa pessoa = new Pessoa();
	pessoa.setNome("Maria");
	
	Endereco endereco = new Endereco();
	endereco.setLogradouro("Rua que sobe e desce");
	endereco.setNumero(8752);
	endereco.setBairro("Muito Longe");
	pessoa.setEndereco(endereco);
	
	request.setAttribute("pessoa", pessoa);
	request.getRequestDispatcher("mostraPessoa.jsp").forward(request, response);
}