Question Paper Controller

package com.education.vidyarthi.online;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;









import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

import com.education.vidyarthi.online.model.QuestionOptions;
import com.education.vidyarthi.online.model.Questions;
import com.education.vidyarthi.online.model.User;
import com.education.vidyarthi.online.service.QuestionOptionsService;
import com.education.vidyarthi.online.service.QuestionsService;
import com.education.vidyarthi.online.validator.QuestionPaperCommand;

@Controller
@RequestMapping("/user/questionpaper")
public class QuestionPaperController {
    @Autowired
    private QuestionsService questionsService;
    @Autowired
    private QuestionOptionsService questionOptionsService;

    @RequestMapping(method = RequestMethod.GET)
    public String showQuestionPaper(HttpServletRequest request, Map model,
            HttpSession session) {
        if ((session.getAttribute("userEmail")) == null) {
            User user = new User();
            model.put("user", user);
            return "/user/userlogin";
        }
        List questionPaperList = new ArrayList();
        List questonIdList = new ArrayList();
        String languageIdInString = request.getParameter("languageId");
        if (languageIdInString != null) {
            Long languageId = Long.parseLong(languageIdInString);
            QuestionPaperCommand questionPaperCommand1 = new QuestionPaperCommand();
            // List
            // questionlist=questionsService.getQuestionsByLanguageId(languageId);
            List questionlist = questionsService
                    .getTenRandomQuestionsByLanguageId(languageId);

            for (int i = 0; i < questionlist.size(); i++) {
                List questionOptionsList = new ArrayList();
                QuestionPaperCommand questionPaperCommand = new QuestionPaperCommand();
                Questions questions = new Questions();
                questions = (Questions) questionlist.get(i);

                // set questonId in questonIdList
                questonIdList.add(i, questions.getQuestionId());
                questionPaperCommand.setQuestionId(questions.getQuestionId());
                questionPaperCommand.setQuestion(questions.getQuestion());

                questionOptionsList = questionOptionsService
                        .getQuestionOptionsByQuestionId(questions
                                .getQuestionId());
                if (questionOptionsList != null
                        && questionOptionsList.size() > 0) {
                    QuestionOptions questionOptions1 = (QuestionOptions) questionOptionsList
                            .get(0);
                    QuestionOptions questionOptions2 = (QuestionOptions) questionOptionsList
                            .get(1);
                    QuestionOptions questionOptions3 = (QuestionOptions) questionOptionsList
                            .get(2);
                    QuestionOptions questionOptions4 = (QuestionOptions) questionOptionsList
                            .get(3);
                    if (questionOptions1 != null) {
                        questionPaperCommand.setOption1Id(questionOptions1
                                .getQuesOpId());
                        questionPaperCommand.setOption1(questionOptions1
                                .getAnsDescription());
                    }
                    if (questionOptions2 != null) {
                        questionPaperCommand.setOption2Id(questionOptions2
                                .getQuesOpId());
                        questionPaperCommand.setOption2(questionOptions2
                                .getAnsDescription());
                    }
                    if (questionOptions3 != null) {
                        questionPaperCommand.setOption3Id(questionOptions3
                                .getQuesOpId());
                        questionPaperCommand.setOption3(questionOptions3
                                .getAnsDescription());
                    }
                    if (questionOptions4 != null) {
                        questionPaperCommand.setOption4Id(questionOptions4
                                .getQuesOpId());
                        questionPaperCommand.setOption4(questionOptions4
                                .getAnsDescription());
                    }
                }
                questionPaperList.add(questionPaperCommand);
            }
        }
        session.setAttribute("questonIdList", questonIdList);
        model.put("questionPaperList", questionPaperList);
        return "/user/questionpaper";
    }

    @RequestMapping(method = RequestMethod.POST)
    public ModelAndView processQuestionPaper(Map model,
            HttpServletRequest request, HttpSession session) {
        String[] question = request.getParameterValues("question");
        int rightAnswer = 0;
        for (int i = 0; i < question.length; i++) {
            if (request.getParameter("quesNum[" + i + "]") != null
                    && request.getParameter("option[" + i + "]") != null) {
                List<Questions> questionlist = new ArrayList<Questions>();
                Long questionId = Long.parseLong(request
                        .getParameter("quesNum[" + i + "]"));
                Long rightOption = Long.parseLong(request
                        .getParameter("option[" + i + "]"));
                questionlist = questionsService
                        .getQuestionsByQuestionId(questionId);
                if (questionlist != null && questionlist.size() > 0) {
                    Questions questions = new Questions();
                    questions = questionlist.get(0);
                    int comp = rightOption
                            .compareTo(questions.getRightOption());
                    if (comp == 0) {
                        rightAnswer++;
                    }
                }
            }
        }
        session.setAttribute("totalQuestion", question.length);
        session.setAttribute("rightAnswer", rightAnswer);
        session.setAttribute("wongAnswer", (question.length) - rightAnswer);

        return new ModelAndView("redirect:questionpaperresult.html");
    }

}

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