exam-master/src/org/mmxbb/exam/business/question/ListQuestionAction.java

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package org.mmxbb.exam.business.question;

import java.util.ArrayList;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.mmxbb.exam.bean.Question;
import org.mmxbb.exam.dao.QuestionDAO;
import org.mmxbb.exam.util.Selector;


public class ListQuestionAction
    extends Action {
  public ActionForward execute(ActionMapping actionMapping,
                               ActionForm actionForm,
                               HttpServletRequest servletRequest,
                               HttpServletResponse servletResponse) {
    QuestionActionForm questionActionForm = (QuestionActionForm) actionForm;
    Question q_condition = questionActionForm.getQuestion();
    QuestionDAO questionDAO = new QuestionDAO();
    ArrayList questionSet = new ArrayList();
    Selector selector = null;
    ArrayList q_class = null;
    ArrayList q_knowledge = null;
    ArrayList q_type = null;
    ArrayList q_difficulty = null;

    try {
      selector = new Selector();
      q_class = selector.getOptions("q_class");
      q_knowledge = selector.getOptions("q_knowledge");
      q_type = selector.getOptions("q_type");
      q_difficulty = selector.getOptions("q_difficulty");

      selector.close();
    } catch (Exception ex) {
      ex.printStackTrace();
    }
    questionActionForm.setQuestion(q_condition);
    servletRequest.setAttribute("q_classOpts", q_class);
    servletRequest.setAttribute("q_knowledgeOpts", q_knowledge);
    servletRequest.setAttribute("q_typeOpts", q_type);
    servletRequest.setAttribute("q_difficultyOpts", q_difficulty);

    questionDAO.setLength(100);
    int ipage; //present page
    try {
      String page = servletRequest.getParameter("page"); //requested page
      ipage = java.lang.Integer.parseInt(page, 10);
    } catch (Exception e) {
      ipage = questionActionForm.getPage();
    }
    if (ipage < 1) {
      ipage = 1;
    }