Package Common

Class UserInterface

java.lang.Object

Common.UserInterface

Direct Known Subclasses:

ApproveReplenishRequestPage, CancelAppointmentPage, DoctorOutcomeInterface, HandleAppointmentRequestsPage, HomePage, InventoryManagementPage, LoginPage, ManageMedicalRecordPage, ManageStaffPage, PatientOutcomeInterface, PatientViewMedicalRecordPage, PharmaOutcomeInterface, RescheduleAppointmentPage, ScheduleAppointmentPage, SetAvailabilityPage, StockRequestPage, UpdateDetailsPage, UserMenu, ViewAppointmentsDetailsPage, ViewAvailableAppointmentsPage, ViewInventoryPage, ViewPersonalSchedulePage, ViewScheduledAppointmentsPage, ViewUpcomingAppointmentsPage

public class UserInterface
extends Object

The UserInterface class provides methods for user input handling, including validation of integer and string inputs. It facilitates interaction with the user through the console.

Field Summary

Fields

Modifier and Type	Field	Description
protected static Scanner	scanner

Constructor Summary

Constructors

Constructor	Description
UserInterface()

Method Summary

Modifier and Type	Method	Description
static void	displayError(String message)	Displays an error message to the console.
static void	displaySuccess(String message)	Displays a success message to the console.
protected static int	getIntInput(int defaultReturn)	Gets an integer input from the user and checks for input errors.
protected static String	getNumericString()	Gets a numeric string input from the user.
protected int	getValidatedInt(String prompt)	Prompts the user for a positive integer value.
protected String	getValidatedString(String prompt)	Prompts the user for a string input and checks for null or empty values.
protected void	pauseAndView()	Pauses execution and waits for the user to press ENTER before returning to menu.

Methods inherited from class java.lang.Object

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

Field Details

scanner

protected static Scanner scanner

Constructor Details

UserInterface

public UserInterface()

Method Details

getIntInput

protected static int getIntInput(int defaultReturn)

Gets an integer input from the user and checks for input errors. If an error occurs, it returns a default value.

Parameters:

defaultReturn - the value to return in case of an input error

Returns:

the integer input from the user or the default value if an error occurs

getNumericString

protected static String getNumericString()

Gets a numeric string input from the user. This method continues to prompt until a valid numeric string is entered.

Returns:

a string containing only numeric characters

getValidatedInt

protected int getValidatedInt(String prompt)

Prompts the user for a positive integer value.

Parameters:

prompt - the message to display to the user

Returns:

the positive integer entered by the user, or -1 if invalid

getValidatedString

protected String getValidatedString(String prompt)

Prompts the user for a string input and checks for null or empty values.

Parameters:

prompt - the message to display to the user

Returns:

the trimmed string entered by the user, or null if empty

displaySuccess

public static void displaySuccess(String message)

Displays a success message to the console.

Parameters:

message - the success message to display

displayError

public static void displayError(String message)

Displays an error message to the console.

Parameters:

message - the error message to display

pauseAndView

protected void pauseAndView()

Pauses execution and waits for the user to press ENTER before returning to menu.