rocks.teammolise.myunimol.webapp.issues.SendProblem.java Source code

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Here is the source code for rocks.teammolise.myunimol.webapp.issues.SendProblem.java

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/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
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package rocks.teammolise.myunimol.webapp.issues;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;

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 org.bson.Document;

import rocks.teammolise.myunimol.webapp.UserInfo;
import rocks.teammolise.myunimol.webapp.configuration.ConfigurationManager;
import rocks.teammolise.myunimol.webapp.configuration.ConfigurationManagerHandler;

import com.mongodb.MongoClient;
import com.mongodb.MongoClientURI;
import com.mongodb.client.MongoCollection;
import com.mongodb.client.MongoDatabase;

/**
 * 
 * @author Matteo Merola
 */
@WebServlet(name = "SendProblem", urlPatterns = { "/SendProblem" })
public class SendProblem extends HttpServlet {

    private static final long serialVersionUID = 2946626199357505811L;

    /**
     * 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;charset=UTF-8");
        PrintWriter out = response.getWriter();

        MongoClient mongoClient = null;
        try {
            if (request.getSession().getAttribute("userInfo") == null) {
                response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Unauthorized");
                return;
            }

            UserInfo userInfo = (UserInfo) request.getSession().getAttribute("userInfo");

            String username = userInfo.getUsername();
            String password = userInfo.getPassword();

            String type = request.getParameter("type");
            String other = request.getParameter("other");
            String details = request.getParameter("details");

            ConfigurationManager confMgr = ConfigurationManagerHandler.getInstance();
            String mdburi = confMgr.getMongoDbUri();
            int pos = mdburi.lastIndexOf("/");
            String dbName = mdburi.substring(pos + 1, mdburi.length());
            MongoClientURI uri = new MongoClientURI(mdburi);
            mongoClient = new MongoClient(uri);
            MongoDatabase db = mongoClient.getDatabase(dbName);

            MongoCollection<Document> collection = db.getCollection("problems");
            Map<String, Object> userinfo = new HashMap<String, Object>();
            userinfo.put("name", userInfo.getName());
            userinfo.put("surname", userInfo.getSurname());
            userinfo.put("course", userInfo.getCourse());
            userinfo.put("department", userInfo.getDepartment());
            userinfo.put("totalCFU", userInfo.getTotalCFU());
            userinfo.put("username", userInfo.getUsername());
            userinfo.put("studentId", userInfo.getStudentId());
            userinfo.put("enrolledExams", userInfo.getEnrolledExams());
            userinfo.put("registrationDate", userInfo.getRegistrationDate());
            userinfo.put("studentClass", userInfo.getStudentClass());
            userinfo.put("coursePath", userInfo.getCoursePath());
            userinfo.put("courseLength", userInfo.getCourseLength());
            Document userInfoDoc = new Document(userinfo);
            Map<String, Object> problem = new HashMap<String, Object>();
            problem.put("type", type);
            if (other != null)
                problem.put("other", other);
            problem.put("details", details);
            problem.put("userInfo", userInfoDoc);
            collection.insertOne(new Document(problem));

            out.println("{\"result\":\"success\"}");
        } catch (Exception ex) {
            response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Internal server error");
        } finally {
            out.close();
        }
    }

    // <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>

}