All Classes and Interfaces

Class	Description
AbstractAccount	Represents an abstract bank account with basic operations like deposit and withdrawal.
AbstractCustomer	Abstract base class for customers in the banking system.
AbstractDataStorage
AbstractEmployee	Abstract base class for employees in the banking system.
AccountService	Service class for managing bank account operations.
AccountServlet	Servlet that handles all account related operations.
ActivityLoggingFilter	Filter that logs user activities in the banking system Records who did what
ApplicationLifecycleListener	Listener that manages application startup and shutdown processes.
AuthenticationFilter	Filter that checks Authentication and Authorization Redirects unauthenticated users to login page Enforces role based access control
AuthenticationResult	Represents the result of an authentication attempt.
AuthenticationService	Service class for user authentication in the banking system.
BankingJob	Interface for Banking related JOBS
Branch	Represents a bank branch.
CollectionStorage
CookieSameSiteFilter	Filter adds same site attribute Prevents CSRF attacks by controlling the cookies which are sent with cross-site requests
CSRFProtectionFilter	Filter that protects against Cross-Site Request Forgery (CSRF) attacks.
Customer	Represents a customer in the banking system.
Customer.Builder	Builder for creating Customer instances.
CustomerAccount	Represents the relationship between a customer and an account.
CustomerAccount.Builder	Builder for creating CustomerAccount instances.
CustomerService	Service class for managing customer operations.
CustomerServlet	Servlet that handles all customer related operations.
DatabaseConnection	Singleton class for managing database connections to MySQL Ensures only one instance exists and provides connection pooling
DatabaseStorage
DataStorage	Interface defining data storage operations for the banking system.
Employee	Represents an employee in the banking system.
Employee.Builder	Builder for creating Employee instances.
InputSanitizationFilter	Filter that validates and sanitizes user input to prevent XSS and injection attacks.
InterestCalculationJob	Background job that calculates and credits monthly interest to savings accounts.
JobManager	Manages all background jobs.
JobScheduler	Schedules and executes background jobs using thread pool.
LoginServlet	Servlet that handles user authentication and login process.
LogoutServlet	Servlet that handles user logout and session invalidation.
Manager	Represents a manager in the banking system.
MongoDBStorage
OTPTest
OTPUtil	Utility class for generating and verifying time-based OTPs Uses current time as seed for synchronized OTP generation
PasswordUtil	Utility class for password hashing and verification Uses SHA-256 with salt for secure password storage
Person	Represents a person entity in the banking system.
RateLimitingFilter	Filter that restricts user from making DoS attacks and abuse Limits number of requests using a sliding window
RequestHeadersValidationFilter	This filter validates Http request headers for security purpose.
SavingsAccount	Represents a savings account with a minimum balance constraint.
SavingsAccount.Builder	Builder for creating SavingsAccount instances.
SecurityHeadersFilter	Filter that adds security headers to HTTP responses which is sent to the browser.
SignupServlet	Servlet that handles new customer registration and signup process.
TransactionLog	Represents a transaction log entry in the banking system.
TransactionLog.TransactionStatus	Enum representing the status of a transaction.
TransactionLog.TransactionType	Enum representing the type of transaction.
TransactionLog.UserType	Enum representing the user type who initiated the transaction.