@GET
  @Path("fill")
  @Produces({"application/xml", "application/json"})
  public String fillDatabase() {
    try {
      String COURSE_LIST = "https://www.coursera.org/maestro/api/topic/list2";
      String UNIVERSITY_LIST = "https://www.coursera.org/maestro/api/university/list";
      ArrayList<University> unis;
      ArrayList<Course> courses;

      // <<<<<<< HEAD
      unis = getUniversityList(UNIVERSITY_LIST);
      courses = getCourseList(COURSE_LIST);

      //            for (University uni : unis){
      //                System.out.println("ID: "+uni.getId());
      //                System.out.println("Name: "+uni.getName());
      //                System.out.println("Abbr: "+uni.getAbbrName());
      //                System.out.println("Img Url: "+uni.getImgUrl());
      //
      // System.out.println("----------------------------------------------------------------------------------");
      //                universityFacadeREST.create(uni);
      //            }

      for (Course course : courses) {
        University newuni = course.getIdUniversity();

        courseFacadeREST.create(course);
      }

      return "Success!";
    } catch (Exception ex) {
      Logger.getLogger(CourseraParser.class.getName()).log(Level.SEVERE, null, ex);
      // =======
      //       unis = getUniversityList(UNIVERSITY_LIST);
      //       courses = getCourseList(COURSE_LIST);

      //        for (int i = 0; i < unis.size(); ++i) {
      //            em.persist(unis.get(i));
      //
      //            System.out.println(unis.get(i).getName());
      //            System.out.println(unis.get(i).getAbbrName());
      //            System.out.println(unis.get(i).getImgUrl());
      //            System.out.println(unis.get(i).getId());
      //
      //        }
      //

      //        for (int i = 0; i < courses.size(); ++i) {
      //            em.persist(courses.get(i));
      //// >>>>>>> branch 'master' of https://github.com/hafidsousa/QuestionLoop.git
      //        }
      return null;
    }
  }
  public ArrayList<Course> getCourseList(String COURSE_LIST) throws Exception {
    ArrayList<Course> courses = new ArrayList<Course>();
    UniversityFacadeREST universityREST = new UniversityFacadeREST();

    HttpClient httpClient = new DefaultHttpClient();

    HttpGet httpGet = new HttpGet(COURSE_LIST);

    HttpResponse httpResponse = httpClient.execute(httpGet);
    httpResponse.setEntity(httpResponse.getEntity());
    HttpEntity httpEntity = httpResponse.getEntity();
    if (httpEntity != null) {

      InputStream inputStream = httpEntity.getContent();
      String jsonFile = convertStreamToString(inputStream);
      JSONObject json = new JSONObject(jsonFile);

      // Courses are called topics for Coursera
      JSONObject courselist = json.getJSONObject("topics");
      Iterator<?> keys = courselist.keys();

      // Iterate through each key
      while (keys.hasNext()) {
        String key = (String) keys.next();
        if (courselist.get(key) instanceof JSONObject) {
          JSONObject coursecode = (JSONObject) courselist.get(key);

          Course course = new Course();
          // To ensure the id is the same as Coursera,
          // so that it can be linked later on to the
          // university
          course.setId(10 + Integer.parseInt(key));
          course.setName(coursecode.getString("name"));
          course.setCode(coursecode.getString("short_name"));
          course.setIconUrl(coursecode.getString("large_icon"));
          course.setLanguage(coursecode.getString("language"));

          JSONArray universityIdList = coursecode.getJSONArray("unis");

          University newuni = new University(10 + universityIdList.getInt(0));

          course.setIdUniversity(newuni);

          courses.add(course);
        }
      }
    }

    return courses;
  }