Refactor Main.java such that it uses ListIO

src/main/java/softeng/g4/Main.java

@@ -2,6 +2,7 @@ package softeng.g4;
 
 import jdk.swing.interop.SwingInterOpUtils;
 import softeng.g4.appointment.Appointment;
+import softeng.g4.cli.ListIO;
 import softeng.g4.course.Course;
 import softeng.g4.course.CourseList;
 import softeng.g4.user.*;
@@ -87,24 +88,13 @@ public class Main {
 //        new Course("Fisika", "PHYS101", "Aku Dosen Fisika", 4, courseList);
 //
 //        // Save the course
-//        saveList(courseList, userList);
+//        ListIO.saveList(courseList, userList);
 //
 //        // ---------------- END OF "HARDCODED" VERSION
 
         // PRODUCTION BUILD: Open all persistent storage
-        courseList = openCourseList();
-        userList = openUserList();
-
-//        // Store userList test
-//        try {
-//            FileOutputStream fos = new FileOutputStream("src/softeng/g4/userlist.txt");
-//            ObjectOutputStream oos = new ObjectOutputStream(fos);
-//            oos.writeObject(userList);
-//
-//        } catch (Exception ex) {
-//            System.out.println("Exception is caught");
-//        }
-
+        courseList = ListIO.openCourseList();
+        userList = ListIO.openUserList();
 
         while (true) {
 
@@ -114,7 +104,7 @@ public class Main {
             // EXITS THE PROGRAM AND SERIALIZE ALL LIST, IF USER COMMAND IS "EXIT"
             if (q.equals("EXIT")) {
                 System.out.println("Thank you for using our program! Have a good day!");
-                saveList(courseList, userList);
+                ListIO.saveList(courseList, userList);
                 break;
             }
 
@@ -144,7 +134,7 @@ public class Main {
                     introStudent(currentStudent); // If we reach here, that means we found the user, and we are now logged in.
 
                 while (!q.equals("LOG OUT")) {
-                    saveList(courseList, userList); // Saves the list everytime the user is in the "Main menu"
+                    ListIO.saveList(courseList, userList); // Saves the list everytime the user is in the "Main menu"
                     System.out.print("Input: ");
                     q = sc.nextLine();
                     switch (q) {
@@ -200,7 +190,7 @@ public class Main {
                     introTA(currentTA);   // If we reach here, that means we found the user, and we are now logged in.
 
                 while (!q.equals("LOG OUT")) {
-                    saveList(courseList, userList); // Saves the list everytime the user is in the "Main menu"
+                    ListIO.saveList(courseList, userList); // Saves the list everytime the user is in the "Main menu"
                     System.out.print("Input: ");
                     q = sc.nextLine();
                     switch (q) {
@@ -264,7 +254,7 @@ public class Main {
                     introAdmin(currentAdmin); // If we reach here, that means we found the user, and we are now logged in.
 
                 while (!q.equals("LOG OUT")) {
-                    saveList(courseList, userList); // Saves the list everytime the user is in the "Main menu"
+                    ListIO.saveList(courseList, userList); // Saves the list everytime the user is in the "Main menu"
                     System.out.print("Input: ");
                     q = sc.nextLine();
                     switch (q) {
@@ -375,73 +365,4 @@ public class Main {
         System.out.println();
     }
 
-    // Open courselist.txt for persistent storage of list of courses
-    public static CourseList openCourseList() {
-        try {
-            // Reading the object from a file
-            FileInputStream file = new FileInputStream("src/main/java/softeng/g4/courselist.txt");
-            ObjectInputStream in = new ObjectInputStream(file);
-
-            // Method for deserialization of object
-            CourseList courseList = (CourseList) in.readObject();
-
-            in.close();
-            file.close();
-
-            return courseList;
-        } catch (IOException ex) {
-            System.out.println("IOException is caught");
-        } catch (ClassNotFoundException ex) {
-            System.out.println("ClassNotFoundException is caught");
-        }
-
-        return null;
-    }
-
-    // Open userlist.txt for persistent storage of list of users
-    public static UserList openUserList() {
-        try {
-            // Reading the object from a file
-            FileInputStream file = new FileInputStream("src/main/java/softeng/g4/userlist.txt");
-            ObjectInputStream in = new ObjectInputStream(file);
-
-            // Method for deserialization of object
-            UserList userList = (UserList) in.readObject();
-
-            in.close();
-            file.close();
-
-            return userList;
-        } catch (IOException ex) {
-            System.out.println("IOException is caught");
-        } catch (ClassNotFoundException ex) {
-            System.out.println("ClassNotFoundException is caught");
-        }
-
-        return null;
-    }
-
-    // Store all list
-    public static void saveList(CourseList courseList, UserList userList) {
-        // Store courseList
-        try {
-            FileOutputStream fos = new FileOutputStream("src/main/java/softeng/g4/courselist.txt");
-            ObjectOutputStream oos = new ObjectOutputStream(fos);
-            oos.writeObject(courseList);
-
-        } catch (Exception ex) {
-            System.out.println("Exception is caught");
-        }
-
-        // Store userList
-        try {
-            FileOutputStream fos = new FileOutputStream("src/main/java/softeng/g4/userlist.txt");
-            ObjectOutputStream oos = new ObjectOutputStream(fos);
-            oos.writeObject(userList);
-
-        } catch (Exception ex) {
-            System.out.println("Exception is caught");
-        }
-    }
-
 }