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;
}
