Fix folder routes and package location

app/src/main/java/massiveattendancescannerapplication/Services/JSONParser.java

@@ -0,0 +1,70 @@
+package massiveattendancescannerapplication.Services;
+
+import massiveattendancescannerapplication.Data.Course;
+import massiveattendancescannerapplication.Data.Section;
+
+import java.io.IOException;
+import java.util.*;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+/**<p>
+ *      This class parses a JSON Object which is received from the Main Activity.
+ *      The methods in this class are private except for GetQuestionary(),which is the main call for
+ *      this class to parse,fill the questions objects and return an ArrayList consisting of several
+ *      question objects that later are used to construct the survey.
+ * </p>
+ * @author Reynaldo
+ */
+
+public class JSONParser {
+
+    public static ArrayList<Course> getCourses(String JSONString) {
+
+        try {
+            return parse(JSONString);
+        } catch (JSONException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    private static ArrayList<Course> parse(String JSONString) throws JSONException {
+        try {
+            JSONArray json = new JSONArray(JSONString);
+            return readFile(json);
+        }  catch (JSONException | IOException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    /** <p>
+     *      This function receives a JSON object and parses trough all the elements until a Course
+     *      tag is reached. The JSON object contains various nested JSON Arrays that represent
+     *      different levels of the survey info, such as Courses, Sections, and Students,
+     *      these arrays must be parsed in order to reach the courses that are needed to construct
+     *      the list. Once the Course tag is reached, the function calls
+     *      readCourses(JSON Object).
+     *  </p>
+     *
+     * @param json a JsonObject containing Courses info.
+     * @return an ArrayList containing various course objects.
+     * @throws JSONException if JSON object is empty or null.
+     */
+
+    private static ArrayList<Course> readFile(JSONArray json) throws IOException, JSONException {
+
+        //final String DATA = "Courses";
+        ArrayList<Course> qCourses = new ArrayList<>();
+        //if (json.has(DATA)) {
+            //JSONArray courses = json.getJSONArray(DATA);
+            for (int h = 0; h < json.length(); h++) {
+                qCourses.add(Course.createFromJSON(json.getJSONObject(h)));
+            }
+        //}
+        return qCourses;
+    }
+}