Package com.liferay.portlet.polls.action

Source Code of com.liferay.portlet.polls.action.EditQuestionAction

/**
* Copyright (c) 2000-2005 Liferay, LLC. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/

package com.liferay.portlet.polls.action;

import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;

import com.dotcms.repackage.javax.portlet.ActionRequest;
import com.dotcms.repackage.javax.portlet.ActionResponse;
import com.dotcms.repackage.javax.portlet.PortletConfig;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.PageContext;

import com.dotcms.repackage.org.apache.struts.action.ActionForm;
import com.dotcms.repackage.org.apache.struts.action.ActionMapping;

import com.dotcms.util.SecurityUtils;
import com.liferay.portal.auth.PrincipalException;
import com.liferay.portal.struts.PortletAction;
import com.liferay.portal.util.Constants;
import com.liferay.portlet.ActionRequestImpl;
import com.liferay.portlet.polls.NoSuchQuestionException;
import com.liferay.portlet.polls.QuestionChoiceException;
import com.liferay.portlet.polls.QuestionDescriptionException;
import com.liferay.portlet.polls.QuestionExpirationDateException;
import com.liferay.portlet.polls.QuestionTitleException;
import com.liferay.portlet.polls.ejb.PollsQuestionManagerUtil;
import com.liferay.portlet.polls.model.PollsChoice;
import com.liferay.util.ParamUtil;
import com.liferay.util.Validator;
import com.liferay.util.servlet.SessionErrors;

/**
* <a href="EditQuestionAction.java.html"><b><i>View Source</i></b></a>
*
* @author  Brian Wing Shun Chan
* @version $Revision: 1.11 $
*
*/
public class EditQuestionAction extends PortletAction {

  public void processAction(
      ActionMapping mapping, ActionForm form, PortletConfig config,
      ActionRequest req, ActionResponse res)
    throws Exception {

    try {
      ActionUtil.getQuestion(req);
    }
    catch (Exception e) {
      if (e != null &&
        e instanceof NoSuchQuestionException) {

        SessionErrors.add(req, e.getClass().getName());

        setForward(req, "portlet.polls.error");
      }
      else {
        req.setAttribute(PageContext.EXCEPTION, e);

        setForward(req, Constants.COMMON_ERROR);
      }
    }

    String cmd = req.getParameter(Constants.CMD);

    if ((cmd != null) &&
      (cmd.equals(Constants.ADD) || cmd.equals(Constants.UPDATE))) {

      try {
        _updateQuestion(config, req, res);
      }
      catch (Exception e) {
        if (e != null &&
          e instanceof PrincipalException) {

          SessionErrors.add(req, e.getClass().getName());

          setForward(req, "portlet.polls.error");
        }
        else if (e != null &&
             e instanceof QuestionChoiceException ||
             e instanceof QuestionDescriptionException ||
             e instanceof QuestionExpirationDateException ||
             e instanceof QuestionTitleException) {

          SessionErrors.add(req, e.getClass().getName());

          setForward(req, "portlet.polls.edit_question");
        }
        else {
          req.setAttribute(PageContext.EXCEPTION, e);

          setForward(req, Constants.COMMON_ERROR);
        }
      }
    }
    else if (cmd != null && cmd.equals(Constants.DELETE)) {
      try {
        _deleteQuestion(req, res);
      }
      catch (Exception e) {
        if (e != null &&
          e instanceof NoSuchQuestionException ||
          e instanceof PrincipalException) {

          SessionErrors.add(req, e.getClass().getName());

          setForward(req, "portlet.polls.error");
        }
        else {
          req.setAttribute(PageContext.EXCEPTION, e);

          setForward(req, Constants.COMMON_ERROR);
        }
      }
    }
    else {
      setForward(req, "portlet.polls.edit_question");
    }
  }

  private void _deleteQuestion(ActionRequest req, ActionResponse res)
    throws Exception {

        // Getting the http request
        ActionRequestImpl reqImpl = (ActionRequestImpl) req;
        HttpServletRequest httpReq = reqImpl.getHttpServletRequest();

    String questionId = ParamUtil.getString(req, "question_id");

    PollsQuestionManagerUtil.deleteQuestion(questionId);

    // Send redirect

    res.sendRedirect(SecurityUtils.stripReferer(httpReq, ParamUtil.getString(req, "redirect")));
  }

  private void _updateQuestion(
      PortletConfig config, ActionRequest req, ActionResponse res)
    throws Exception {

        // Getting the http request
        ActionRequestImpl reqImpl = (ActionRequestImpl) req;
        HttpServletRequest httpReq = reqImpl.getHttpServletRequest();

    String questionId = req.getParameter("question_id");

    String title = ParamUtil.getString(req, "question_title");
    String description = ParamUtil.getString(req, "question_desc");
    int expMonth = ParamUtil.getInteger(req, "question_exp_month");
    int expDay = ParamUtil.getInteger(req, "question_exp_day");
    int expYear = ParamUtil.getInteger(req, "question_exp_year");
    boolean neverExpires = ParamUtil.get(
      req, "question_never_expires", false);

    // Add choices

    List choices = new ArrayList();

    Enumeration enu = req.getParameterNames();

    while (enu.hasMoreElements()) {
      String param = (String)enu.nextElement();

      if (param.startsWith("choice_desc_")) {
        try {
          String id = param.substring(
            param.lastIndexOf("_") + 1, param.length());

          String choiceId = req.getParameter("choice_id_" + id);

          String choiceDesc = req.getParameter(param);

          PollsChoice choice =
            new PollsChoice(null, choiceId, choiceDesc);

          choices.add(choice);
        }
        catch (Exception exc) {
        }
      }
    }

    if (Validator.isNull(questionId)) {

      // Add question

      PollsQuestionManagerUtil.addQuestion(
        config.getPortletName(),
        title, description, expMonth, expDay, expYear, neverExpires,
        choices);
    }
    else {

      // Update question

      PollsQuestionManagerUtil.updateQuestion(
        questionId, title, description, expMonth, expDay, expYear,
        neverExpires, choices);
    }

    // Send redirect

    res.sendRedirect(SecurityUtils.stripReferer(httpReq, ParamUtil.getString(req, "redirect")));
  }

}
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