Package com.cloud.serverpak.services

Class AuthServiceBD

java.lang.Object

com.cloud.serverpak.services.AuthServiceBD

All Implemented Interfaces:

AuthService

public class AuthServiceBD
extends Object
implements AuthService

A class that works with a user Database. Designed to perform CRUD operations on user records.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	AuthServiceBD.User	User class.

Field Summary

Fields

Modifier and Type	Field	Description
private static Connection	connection	Connection to the database.
private final Base64.Encoder	encoder	Data encryption algorithm.
private final List<AuthServiceBD.User>	listUser	A list that stores a list of all users from the database.
private static final org.apache.logging.log4j.Logger	LOGGER	The logger variable.
private static List<MainHandler>	mainHandlerList
private static Statement	stmt	A variable for working with the database.

Constructor Summary

Constructors

Constructor	Description
AuthServiceBD()	The constructor starts a connection to the Database and loads the list of users.

Method Summary

Modifier and Type	Method	Description
static List<MainHandler>	getMainHandlerList()
String	getNickByLoginPass(String login, String pass)	Returns the user's Name by his Username and Password.
void	loadUsers()	Loads all users from the Database to the list of users on the server.
boolean	registerNewUser(String nickName, String login, String pass)	Registers a new user, and throws an exception if it is impossible.
void	start()	Connects the connection to the Database, and creates a statement object.
void	stop()	Closes the Database connection.

Methods inherited from class java.lang.Object

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

Field Details

LOGGER

private static final org.apache.logging.log4j.Logger LOGGER

The logger variable.

listUser

private final List<AuthServiceBD.User> listUser

A list that stores a list of all users from the database.

mainHandlerList

private static List<MainHandler> mainHandlerList

connection

private static Connection connection

Connection to the database.

stmt

private static Statement stmt

A variable for working with the database.

encoder

private final Base64.Encoder encoder

Data encryption algorithm.

Constructor Details

AuthServiceBD

public AuthServiceBD()

The constructor starts a connection to the Database and loads the list of users. Uses start() and loadUsers() methods.

Method Details

registerNewUser

public boolean registerNewUser(String nickName,
 String login,
 String pass)

Registers a new user, and throws an exception if it is impossible.

Specified by:

registerNewUser in interface AuthService

Parameters:

nickName - Username..

login - User login.

pass - The user's password.

Returns:

true if the registration was successful.

loadUsers

public void loadUsers()
               throws SQLException

Loads all users from the Database to the list of users on the server.

Throws:

SQLException - РїСЂРё ошибке запроса.

start

public void start()

Connects the connection to the Database, and creates a statement object.

Specified by:

start in interface AuthService

stop

public void stop()

Closes the Database connection.

Specified by:

stop in interface AuthService

getNickByLoginPass

public String getNickByLoginPass(String login,
 String pass)

Returns the user's Name by his Username and Password.

Specified by:

getNickByLoginPass in interface AuthService

Parameters:

login - User login.

pass - The user's password.

Returns:

Username.

getMainHandlerList

public static List<MainHandler> getMainHandlerList()