nl.pbemengine.engine.ng.base.webserver
Class SessionManager

java.lang.Object
  nl.pbemengine.engine.ng.base.webserver.SessionManager

public class SessionManager
extends java.lang.Object

A Session Management class. Keeps track of all sessions currently active, and provides facilities for validating users. Follows the Singleton pattern

Author:

Jeroen Steenbeeke

Field Summary

static java.lang.String

SESSION_COOKIE

Constructor Summary

protected

SessionManager() Creates a new instance of SessionManager

Method Summary

java.lang.String	authorizeAdmin(java.lang.String username, java.lang.String password, UserDAO dao) Verifies an Admin's username and password, and creates a session id if correct
java.lang.String	authorizeGame(int ID, GameDAO dao, java.lang.String password) Determines whether or not a Game Master is validly logged in by examing the game number and password
static SessionManager	getManager() Gets an instance of the Sessionmanager
Session	getSession(java.util.Map<java.lang.String,java.lang.String> cookies) Returns the session object based on the user's cookies
void	invalidate(java.util.Map<java.lang.String,java.lang.String> cookies) Removes a Session from the manager
boolean	validateAdmin(java.util.Map<java.lang.String,java.lang.String> cookies) Determines whether or not a user is validly logged in by examining it's cookies.
boolean	validateGame(java.util.Map<java.lang.String,java.lang.String> cookies) Determines whether or not a GM is validly logged in by examining it's cookies.

Methods inherited from class java.lang.Object

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

Field Detail

SESSION_COOKIE

public static final java.lang.String SESSION_COOKIE

See Also:

Constant Field Values

Constructor Detail

SessionManager

protected SessionManager()

Creates a new instance of SessionManager

Method Detail

getManager

public static SessionManager getManager()

Gets an instance of the Sessionmanager

Returns:

A SessionManager

authorizeGame

public java.lang.String authorizeGame(int ID,
                                      GameDAO dao,
                                      java.lang.String password)

Determines whether or not a Game Master is validly logged in by examing the game number and password

Parameters:

ID - The game's ID

dao - The game data access object associated with this login

password - The game's password

Returns:

A String with the session ID if correct, null otherwise

validateGame

public boolean validateGame(java.util.Map<java.lang.String,java.lang.String> cookies)

Determines whether or not a GM is validly logged in by examining it's cookies.

Parameters:

cookies - The user's cookies

Returns:

true if logged in, false otherwise

validateAdmin

public boolean validateAdmin(java.util.Map<java.lang.String,java.lang.String> cookies)

Determines whether or not a user is validly logged in by examining it's cookies.

Parameters:

cookies - The user's cookies

Returns:

true if logged in, false otherwise

authorizeAdmin

public java.lang.String authorizeAdmin(java.lang.String username,
                                       java.lang.String password,
                                       UserDAO dao)

Verifies an Admin's username and password, and creates a session id if correct

Parameters:

username - The username specified

password - The password specified

dao - A UserDAO object to perform user-based database operations

Returns:

A String with the session ID if correct, null otherwise

invalidate

public void invalidate(java.util.Map<java.lang.String,java.lang.String> cookies)

Removes a Session from the manager

Parameters:

cookies - The user's cookies.

getSession

public Session getSession(java.util.Map<java.lang.String,java.lang.String> cookies)

Returns the session object based on the user's cookies

Parameters:

cookies - The user's cookies.

Returns:

A Session object, or null if unable to get a valid session ID