Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package fi.jyu.it.ties456.week38.Main; import fi.jyu.it.ties456.week38.services.course.CourseIS; import fi.jyu.it.ties456.week38.services.course.CourseISService; import fi.jyu.it.ties456.week38.services.course.NoSuchTeacherException_Exception; import fi.jyu.it.ties456.week38.services.teacher.TeacherRegistry; import fi.jyu.it.ties456.week38.services.teacher.TeacherRegistryService; import fi.jyu.it.ties456.week38.services.teacher.TeacherType; import java.util.InputMismatchException; import java.util.Scanner; import org.json.JSONArray; import org.json.JSONObject; public class Main { public static void main(String[] args) throws NoSuchTeacherException_Exception { TeacherRegistryService connect = new TeacherRegistryService(); TeacherRegistry teacher = connect.getTeacherRegistryPort(); CourseISService connectCourse = new CourseISService(); CourseIS course = connectCourse.getCourseISPort(); int i; Scanner inputchoice = new Scanner(System.in); Scanner cin = new Scanner(System.in); do { System.out.println("0: Quit the application"); System.out.println("1: Search the teacher Info"); System.out.println("2: Create the Course"); i = inputchoice.nextInt(); switch (i) { case 0: System.out.println("quit the application"); break; case 1: System.out.println("Input search info of teacher"); String searchString = cin.nextLine(); JSONObject result = searchTeacher(teacher, searchString); if (result == null) System.out.println("No person found"); else System.out.println(result); break; case 2: createCourse(teacher, course); break; default: System.err.println("Not a valid choice"); } } while (i != 0); } public static JSONObject searchTeacher(TeacherRegistry teacherReg, String query) { JSONObject toReturn = null; if (teacherReg.searchForPerson(query).size() != 0) { toReturn = new JSONObject(); JSONArray response = new JSONArray(); for (int k = 0; k < teacherReg.searchForPerson(query).size(); k++) { TeacherType person = teacherReg.searchForPerson(query).get(k); JSONObject teacher = new JSONObject(); teacher.put("teacher", new JSONObject().put("id", person.getID()).put("email", person.getEmail()) .put("firstname", person.getFirstname()).put("surname", person.getSurname())); response.put(teacher); } toReturn.put("response", response); } return toReturn; } public static void createCourse(TeacherRegistry teacher, CourseIS course) throws NoSuchTeacherException_Exception { Scanner inputID = new Scanner(System.in); Scanner cinName = new Scanner(System.in); Scanner cinID = new Scanner(System.in); Scanner cinCredit = new Scanner(System.in); Scanner cinDP = new Scanner(System.in); System.out.println("Course Name"); String cName = cinName.nextLine(); System.out.println("Search Teacher ID"); String SID = cinID.nextLine(); System.out.println(teacher.searchForPerson(SID).get(0).getID()); System.out.println("Input Teacher ID"); String ID = inputID.nextLine(); System.out.println("Course Credit"); int credit = 0; try { credit = cinCredit.nextInt(); } catch (InputMismatchException e) { System.err.println("Course credit must be an int"); main(null); } System.out.println("Course Description"); String description = cinDP.nextLine(); System.out.println(course.createCourse(cName, ID, credit, description)); } }