@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;
}