net.sourceforge.pavlov.controllers
Class LoginController

java.lang.Object
  net.sourceforge.sillyview.Widget
      net.sourceforge.pavlov.controllers.LoginController

All Implemented Interfaces:

EventListener, HyperlinkListener, LogonListener

public class LoginController
extends Widget
implements LogonListener, HyperlinkListener

Creates and manages model, view, and controller for the Logon system.

Since:

1.1

Field Summary

static String	CHOOSE_ANOTHER_PASSWORD Token for communicating with velocity model
static String	CREATE Token for communicating with velocity model
static String	CREATE_NEW_USER Token for communicating with velocity model
static String	ERROR
static String	MODE Token for communicating with velocity model
static String	NAME_IN_USE Token for communicating with velocity model
static String	PASSWORD Token for communicating with velocity model
static String	USER_NAME Token for communicating with velocity model
static String	WRONG_PASSWORD Token for communicating with velocity model

Fields inherited from class net.sourceforge.sillyview.Widget

view

Constructor Summary

LoginController(WidgetView vu)

Method Summary

void	addLogonListener(LogonListener l) Adds a LogonListener.
void	addTokens(HashMap<Object,Object> map)
protected User	createNewUser(String username, String pass) Creates a new user with the given name and password.
protected boolean	goodPassword(String name, String pass) Returns true if the user file exists, and its password is equal to the one provided.
void	hyperlinkUpdate(HyperlinkEvent e) Catches the form submit event, and makes a login attempt from it.
void	logonAttempt(LogonEvent event) Description of the Method
protected void	notify(LogonEvent e) Notify listeners that a logonevent has occured.
protected LogonEvent	parseURL(String url) Converts the URL command to a LogonEvent.
void	setToken(String nam, String val) Sets the given token to the given value in the backing model.
protected void	startSession(User u) Notifies listeners that the user has successfully logged in and closes the Login view.
protected boolean	userNameExists(String name) Returns true if a file exists for the given user.

Methods inherited from class net.sourceforge.sillyview.Widget

getView, setView

Methods inherited from class java.lang.Object

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

Field Detail

CHOOSE_ANOTHER_PASSWORD

public static final String CHOOSE_ANOTHER_PASSWORD

Token for communicating with velocity model

See Also:

Constant Field Values

CREATE_NEW_USER

public static final String CREATE_NEW_USER

Token for communicating with velocity model

See Also:

Constant Field Values

NAME_IN_USE

public static final String NAME_IN_USE

Token for communicating with velocity model

See Also:

Constant Field Values

PASSWORD

public static final String PASSWORD

Token for communicating with velocity model

See Also:

Constant Field Values

USER_NAME

public static final String USER_NAME

Token for communicating with velocity model

See Also:

Constant Field Values

WRONG_PASSWORD

public static final String WRONG_PASSWORD

Token for communicating with velocity model

See Also:

Constant Field Values

MODE

public static final String MODE

Token for communicating with velocity model

See Also:

Constant Field Values

CREATE

public static final String CREATE

Token for communicating with velocity model

See Also:

Constant Field Values

ERROR

public static final String ERROR

See Also:

Constant Field Values

Constructor Detail

LoginController

public LoginController(WidgetView vu)
                throws Exception

Throws:

Exception

Method Detail

userNameExists

protected boolean userNameExists(String name)

Returns true if a file exists for the given user.

Returns:

Description of the Return Value

goodPassword

protected boolean goodPassword(String name,
                               String pass)

Returns true if the user file exists, and its password is equal to the one provided. Returns false for usernames less than 2 characters and passwords less than 3 characters.

Parameters:

name - Username to check

pass - Password provided by user

Returns:

Whether password is correct

createNewUser

protected User createNewUser(String username,
                             String pass)

Creates a new user with the given name and password.

Parameters:

username - Description of the Parameter

pass - Description of the Parameter

Returns:

Description of the Return Value

startSession

protected void startSession(User u)

Notifies listeners that the user has successfully logged in and closes the Login view.

Parameters:

u - Description of the Parameter

logonAttempt

public void logonAttempt(LogonEvent event)

Description of the Method

Specified by:

logonAttempt in interface LogonListener

Parameters:

event - Description of the Parameter

setToken

public void setToken(String nam,
                     String val)

Sets the given token to the given value in the backing model.

Parameters:

n - The new token key

v - The new token value

addTokens

public void addTokens(HashMap<Object,Object> map)

parseURL

protected LogonEvent parseURL(String url)

Converts the URL command to a LogonEvent.

Parameters:

url - Description of the Parameter

Returns:

Description of the Return Value

hyperlinkUpdate

public void hyperlinkUpdate(HyperlinkEvent e)

Catches the form submit event, and makes a login attempt from it.

Specified by:

hyperlinkUpdate in interface HyperlinkListener

Parameters:

e - Description of the Parameter

notify

protected void notify(LogonEvent e)

Notify listeners that a logonevent has occured.

Parameters:

e - Description of the Parameter

addLogonListener

public void addLogonListener(LogonListener l)

Adds a LogonListener.

Parameters:

l - The feature to be added to the LogonListener attribute