Class UPI

java.lang.Object

AG_FinTrust.UPI

Direct Known Subclasses:

UPITransactionServices

public sealed class UPI
extends Object
permits UPITransactionServices

AG_FinTrust - UPI.java Handles UPI-related services including validation, creation, and retrieval of UPI IDs linked to user bank accounts. This class interacts with the database to manage UPI records and display associated account information.

Key Features:

• Validates UPI ID format (alphanumeric and dot characters only, up to 45 characters)
• Generates standardized UPI handles ending with "@agft"
• Associates UPI IDs with verified account numbers
• Prevents duplicate UPI assignment for the same account
• Fetches and displays account details using UPI ID with colored console output

This class is a sealed class and may only be extended by UPIServices.

Since:

August 02, 2025

Version:

2.0.0

Author:

Aditya Gupta

Field Summary

Fields

Modifier and Type	Field	Description
protected Connection	conn

Constructor Summary

Constructors

Constructor	Description
UPI(Connection conn)

Method Summary

Modifier and Type	Method	Description
(package private) final boolean	checkUPI(String s)
(package private) final boolean	checkUPIExist()
protected void	displayAccountDetails()
protected final void	setUPI()

Methods inherited from class java.lang.Object

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

Field Details

conn

protected Connection conn

Constructor Details

UPI

UPI(Connection conn)

Method Details

checkUPI

final boolean checkUPI(String s)

checkUPIExist

final boolean checkUPIExist()

setUPI

protected final void setUPI()

displayAccountDetails

protected void displayAccountDetails()