com.controller.schedule.ScheduleEmailServlet.java Source code

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Here is the source code for com.controller.schedule.ScheduleEmailServlet.java

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/*
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package com.controller.schedule;

import com.google.gson.Gson;
import com.intbit.AppConstants;
import com.intbit.TemplateStatus;
import com.intbit.dao.ScheduleDAO;
import com.intbit.util.AuthenticationUtil;
import java.io.BufferedReader;
import java.io.IOException;
import java.sql.SQLException;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.commons.lang3.StringUtils;

/**
 *
 * @author Mohamed
 */
@WebServlet(name = "ScheduleEmailServlet", urlPatterns = { "/ScheduleEmail" })
public class ScheduleEmailServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("application/json");
        try {
            if (!AuthenticationUtil.isUserLoggedIn(request)) {
                AuthenticationUtil.printAuthErrorToResponse(response);
                return;
            }
            Integer userId = AuthenticationUtil.getUUID(request);

            Map<String, Object> requestBodyMap = AppConstants.GSON.fromJson(new BufferedReader(request.getReader()),
                    Map.class);
            if (requestBodyMap == null) {
                Map<String, Object> error = new HashMap<>();
                error.put("error", "Request body is missing");
                response.getWriter().write(AppConstants.GSON.toJson(error));
                response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
                response.getWriter().flush();
                return;
            }

            List<String> errorMsgs = validateRequestBody(requestBodyMap);
            if (!errorMsgs.isEmpty()) {
                Map<String, Object> error = new HashMap<>();
                error.put("error", errorMsgs);
                response.getWriter().write(AppConstants.GSON.toJson(error));
                response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
                response.getWriter().flush();
                return;
            }
            Double schedule = (Double) requestBodyMap.get("schedule_time");
            //As of now schedule description is not yet mandatory.
            String scheduleDesc = requestBodyMap.containsKey("schedule_desc")
                    ? String.valueOf(requestBodyMap.get("schedule_desc"))
                    : null;

            Map<String, Integer> idMap = ScheduleDAO.addToScheduledEmailList(userId,
                    requestBodyMap.get("email_subject").toString(), requestBodyMap.get("email_body").toString(),
                    requestBodyMap.get("from_email_address").toString(),
                    requestBodyMap.get("email_list").toString(), requestBodyMap.get("from_name").toString(),
                    requestBodyMap.get("reply_to_email_address").toString(),
                    requestBodyMap.get("to_email_addresses").toString().split(","),
                    requestBodyMap.get("schedule_title").toString(), scheduleDesc,
                    new Timestamp(schedule.longValue()), TemplateStatus.template_saved.toString());
            response.setStatus(HttpServletResponse.SC_OK);
            response.getWriter().write(AppConstants.GSON.toJson(idMap));
            response.getWriter().flush();
        } catch (SQLException ex) {
            Logger.getLogger(ScheduleEmailServlet.class.getName()).log(Level.SEVERE, null, ex);
        } catch (NumberFormatException ex) {
            Logger.getLogger(ScheduleEmailServlet.class.getName()).log(Level.SEVERE, null, ex);
            Map<String, Object> error = new HashMap<>();
            error.put("error", "Invalid format for schedule time.");
            response.getWriter().write(AppConstants.GSON.toJson(error));
            response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
            response.getWriter().flush();
        } catch (Exception ex) {
            Logger.getLogger(ScheduleEmailServlet.class.getName()).log(Level.SEVERE, null, ex);
        }

    }

    private List<String> validateRequestBody(Map<String, Object> requestBodyMap) {
        List<String> errorMsgs = new ArrayList<>();
        if (!mapContainsKey(requestBodyMap, "email_subject")) {
            errorMsgs.add("Email subject is missing");
        }
        if (!mapContainsKey(requestBodyMap, "to_email_addresses")) {
            errorMsgs.add("To email address is missing");
        }
        if (!mapContainsKey(requestBodyMap, "email_body")) {
            errorMsgs.add("Email body is missing");
        }
        if (!mapContainsKey(requestBodyMap, "email_list")) {
            errorMsgs.add("Email List name is missing");
        }
        if (!mapContainsKey(requestBodyMap, "reply_to_email_address")) {
            errorMsgs.add("Reply to email address is missing");
        }
        if (!mapContainsKey(requestBodyMap, "from_email_address")) {
            errorMsgs.add("From email address is missing");
        }
        if (!mapContainsKey(requestBodyMap, "from_name")) {
            errorMsgs.add("From name is missing");
        }
        if (!mapContainsKey(requestBodyMap, "schedule_title")) {
            errorMsgs.add("Schedule title is missing");
        }
        if (!mapContainsKey(requestBodyMap, "schedule_time")) {
            errorMsgs.add("Schedule time is missing");
        }
        return errorMsgs;
    }

    private boolean mapContainsKey(Map<String, Object> requestBodyMap, String key) {
        if (!requestBodyMap.containsKey(key) || requestBodyMap.get(key) == null
                || StringUtils.isEmpty(requestBodyMap.get(key).toString())) {
            return false;
        }
        return true;
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}