application

Class Main

java.lang.Object

javafx.application.Application

application.Main

public class Main
extends javafx.application.Application

Schedulr Client

This is the client code for running up the GUI system. This class is the main Component servicing the Client Side. This class will be responsible for rendering and handling events on the client side.

Author:

Baani Leen and Viresh Gupta

Nested Class Summary

Nested classes/interfaces inherited from class javafx.application.Application

javafx.application.Application.Parameters

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static java.io.ObjectInputStream	in Input stream connected through Socket, acts to get commands from server.
(package private) static java.io.ObjectOutputStream	out Output stream connected through Socket, acts to send commands to server.
(package private) static java.net.Socket	server Socket object to hold communication with Server
static TimeTable	tt TimeTable object to store the timetable in RAM.
static User	u User object to determine the current user in our client.

Fields inherited from class javafx.application.Application

STYLESHEET_CASPIAN, STYLESHEET_MODENA

Constructor Summary

Constructors

Constructor and Description
Main()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	acceptBookings(Slot k) Command from admin to accept a request.
static java.lang.String	addDropCourse(java.lang.String l) Method to toggle Register/De-register for a course for the current user.
static boolean	auditRoomBooking(ExtraSlot s) The replacement booking for an already existing slot.
static boolean	authenticate(java.lang.String email, java.lang.String pass) This method will authenticate whether the user is the required person or not In case user is the person, place the user in the static user object for further use
static void	connectAndInitialise() This function will connect to the database and set up and initialise required objects
static void	deleteBookings(Slot k) Request the server to delete a booking.
static void	exit() Do up cleaning stuff and exit the Client application.
static java.util.List<Slot>	getBookings() Return all the bookings done by the current user Contains all bookings by all users if called by Admin.
static java.util.List<Slot>	getRequests() Returns All the pending Requests for the Admin.
static void	main(java.lang.String[] args) This method will initialize connections with the server and will hand-over control to the JavaFX engine
static java.util.List<Course>	requestCourses() Return a list of all the courses.
static boolean	requestRoomBooking(ExtraSlot s) Request the server to book a particular room.
static void	requestTimeTable() Get's Time Table over the Socket
static boolean	signUp(User x) This method will sign-up the user if possible, and return false otherwise
void	start(javafx.stage.Stage primaryStage) Entry point for the GUI application.
static void	updateUser() Deprecated Method for updating User.
static void	userPut() Deprecated Method.

Methods inherited from class javafx.application.Application

getHostServices, getParameters, getUserAgentStylesheet, init, launch, launch, notifyPreloader, setUserAgentStylesheet, stop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

tt

public static volatile TimeTable tt

TimeTable object to store the timetable in RAM.

u

public static volatile User u

User object to determine the current user in our client.

server

static volatile java.net.Socket server

Socket object to hold communication with Server

out

static volatile java.io.ObjectOutputStream out

Output stream connected through Socket, acts to send commands to server.

in

static volatile java.io.ObjectInputStream in

Input stream connected through Socket, acts to get commands from server.

Constructor Detail

Main

public Main()

Method Detail

start

public void start(javafx.stage.Stage primaryStage)

Entry point for the GUI application. Only concerned with loading/un-loading of GUI.

Specified by:

start in class javafx.application.Application

requestTimeTable

public static void requestTimeTable()
                             throws java.io.IOException,
                                    java.lang.ClassNotFoundException

Get's Time Table over the Socket

Throws:

java.io.IOException - When Socket is closed or Object cannot be serialized

java.lang.ClassNotFoundException - When object could not be read properly

requestRoomBooking

public static boolean requestRoomBooking(ExtraSlot s)
                                  throws java.io.IOException,
                                         java.lang.ClassNotFoundException

Request the server to book a particular room. Returns True/False depending on Accept/Rejection of Request.

Parameters:

s - This is the slot that needs to be booked

Returns:

True/False Based on whether the room request was taken into waiting queue / booked or not.

Throws:

java.io.IOException - When Socket is closed or Object cannot be serialized

java.lang.ClassNotFoundException - When object could not be read properly

auditRoomBooking

public static boolean auditRoomBooking(ExtraSlot s)
                                throws java.io.IOException,
                                       java.lang.ClassNotFoundException

The replacement booking for an already existing slot. Can only be invoked by admin. NOTE: Use carefully. The slot to be replaced must have already been deleted by removeBooking.()

Parameters:

s - New slot, that will be replaced.

Returns:

True/False depending on if this new slot is in clash with existing ones.

Throws:

java.io.IOException - When Socket is closed or Object cannot be serialized

java.lang.ClassNotFoundException - When object could not be read properly.

getRequests

public static java.util.List<Slot> getRequests()
                                        throws java.io.IOException,
                                               java.lang.ClassNotFoundException

Returns All the pending Requests for the Admin.

Returns:

List of Slots, containing un-accepted requests by students in the database.

Throws:

java.io.IOException - When Socket is closed or Object cannot be serialized

java.lang.ClassNotFoundException - When object could not be read properly.

getBookings

public static java.util.List<Slot> getBookings()
                                        throws java.io.IOException,
                                               java.lang.ClassNotFoundException

Return all the bookings done by the current user Contains all bookings by all users if called by Admin.

Returns:

List of Slots

Throws:

java.io.IOException - When Socket is closed or Object cannot be serialized

java.lang.ClassNotFoundException - When object could not be read properly.

deleteBookings

public static void deleteBookings(Slot k)
                           throws java.io.IOException

Request the server to delete a booking.

Parameters:

k - The slot to be deleted.

Throws:

java.io.IOException - When Socket is closed or Object cannot be serialized

acceptBookings

public static java.lang.String acceptBookings(Slot k)
                                       throws java.io.IOException,
                                              java.lang.ClassNotFoundException

Command from admin to accept a request. Once accepted, this will move from pending requests to TimeTable

Parameters:

k - The slot for which to accept.

Returns:

Returns a string indication whether clashes or succesful acceptance.

Throws:

java.io.IOException - When Socket is closed or Object cannot be serialized

java.lang.ClassNotFoundException - When object could not be read properly

userPut

public static void userPut()
                    throws java.io.IOException

Deprecated Method. Only meant for use in debugging and Developing purpose.

Throws:

java.io.IOException - When Socket is closed or Object cannot be serialized

updateUser

public static void updateUser()
                       throws java.io.IOException,
                              java.lang.ClassNotFoundException

Deprecated Method for updating User. Only for debugging purpose.

Throws:

java.io.IOException - When Socket is closed or Object cannot be serialized

java.lang.ClassNotFoundException - When object could not be read properly

addDropCourse

public static java.lang.String addDropCourse(java.lang.String l)
                                      throws java.io.IOException,
                                             java.lang.ClassNotFoundException

Method to toggle Register/De-register for a course for the current user. Not availaible to Admin

Parameters:

l - The course acronym for which registration/de-registration will occur.

Returns:

String indication whether registration was success or not.

Throws:

java.io.IOException - When Socket is closed or Object cannot be serialized

java.lang.ClassNotFoundException - When object could not be read properly

requestCourses

public static java.util.List<Course> requestCourses()
                                             throws java.lang.ClassNotFoundException,
                                                    java.io.IOException

Return a list of all the courses.

Returns:

List of Courses, same value returned regardless of user.

Throws:

java.lang.ClassNotFoundException - When object could not be read properly

java.io.IOException - When Socket is closed or Object cannot be serialized

connectAndInitialise

public static void connectAndInitialise()

This function will connect to the database and set up and initialise required objects

signUp

public static boolean signUp(User x)
                      throws java.io.IOException,
                             java.lang.ClassNotFoundException

This method will sign-up the user if possible, and return false otherwise

Parameters:

x - The user who needs to be registered.

Returns:

True/False depending if registration was successful or not

Throws:

java.io.IOException - When object could not be read properly

java.lang.ClassNotFoundException - When object could not be read properly

authenticate

public static boolean authenticate(java.lang.String email,
                                   java.lang.String pass)
                            throws java.io.IOException,
                                   java.lang.ClassNotFoundException

This method will authenticate whether the user is the required person or not In case user is the person, place the user in the static user object for further use

Parameters:

email - The Email Id of person to authenticate

pass - The password of person to authenticate

Returns:

True/False depending if the email and password are both valid or not.

Throws:

java.io.IOException - When Socket is closed or Object cannot be serialized

java.lang.ClassNotFoundException - When object could not be read properly

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException

This method will initialize connections with the server and will hand-over control to the JavaFX engine

Parameters:

args - Not used.

Throws:

java.io.IOException - When Socket is closed or Object cannot be serialized

exit

public static void exit()

Do up cleaning stuff and exit the Client application.