dao.UserDAO Class Reference

Public Member Functions
List< User >	getUsers ()
User	getUserByUsername (String username)
User	addUser (User user) throws NoSuchAlgorithmException, InvalidKeySpecException
byte[]	generateSalt ()
String	hashPassword (String password, byte[] salt) throws NoSuchAlgorithmException, InvalidKeySpecException
boolean	editUser (int userId, String username, String password) throws NoSuchAlgorithmException, InvalidKeySpecException

Detailed Description

Data access object for User

Member Function Documentation

addUser()

User dao.UserDAO.addUser ( User  user ) throws NoSuchAlgorithmException, InvalidKeySpecException

inline

Adds a new user to database with default ID

Parameters

user	User object

Returns

new User or already registered user

editUser()

boolean dao.UserDAO.editUser ( int  userId, String  username, String  password  ) throws NoSuchAlgorithmException, InvalidKeySpecException

inline

Edits the users username or password

Parameters

userId	userId as int
username	Username as String
password	password as String, if null it should not be updated

Returns

true if success on new username, false if not

generateSalt()

byte[] dao.UserDAO.generateSalt ( )

inline

Generates a salt, for hashing

Returns

a random salt

getUserByUsername()

User dao.UserDAO.getUserByUsername ( String  username )

inline

Returns a User object for given username

Parameters

username

Username as String

Returns

requested user object if found, null if not found

getUsers()

List< User > dao.UserDAO.getUsers ( )

inline

Returns a List of all registered users

Returns

List of Users

hashPassword()

String dao.UserDAO.hashPassword ( String  password, byte[]  salt  ) throws NoSuchAlgorithmException, InvalidKeySpecException

inline

Method to hash a password with salt

Parameters

password	password to be hashed
salt	salt to use when hashing

Returns

hashedPassword, null if unsuccessful

---

The documentation for this class was generated from the following file:

• src/main/java/dao/UserDAO.java