org.exolab.jms.authentication
Class UserManager

java.lang.Object
  |
  +--org.exolab.jms.authentication.UserManager

public class UserManager

extends java.lang.Object

The user manager is responsible for creating and managing users.

Version:

$Revision: 1.3 $ $Date: 2003/08/07 13:32:49 $

Author:

Knut Lerpold

Constructor Summary

protected

UserManager() Construct a new UserManager

Method Summary

protected void	addToUserCache(User user) Add the specified entry to the user cache, if it doesn't already exist.
boolean	createUser(User user) Create a new user
boolean	deleteUser(User user) Delete a users
void	destroy() Destroy this manager.
User	getUser(User user) Return a user
protected void	init() Initialise user manager.
protected void	registerConfiguredUsers() Registers users specified in the configuration
protected void	removeFromUserCache(User user) Remove the specified user from the cache
boolean	updateUser(User user) Update user.
java.util.Iterator	userNames() Return a list of user names currently supported by the user manager.
boolean	validateUser(java.lang.String username, java.lang.String password) Determines if a user's name and password are valid

Methods inherited from class java.lang.Object

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

Constructor Detail

UserManager

protected UserManager()
               throws org.exolab.core.service.ServiceException

Construct a new UserManager

Throws:

org.exolab.core.service.ServiceException - if the service cannot be initialised

Method Detail

createUser

public boolean createUser(User user)

Create a new user

Parameters:

user - the userobject containing username and password

Returns:

true if the user is created otherwise false

updateUser

public boolean updateUser(User user)

Update user. Only possible update is password.

Parameters:

user - the userobject containing the username

Returns:

true if password is updated otherwise false

deleteUser

public boolean deleteUser(User user)

Delete a users

Parameters:

user - the userobject containing the username

Returns:

true if the is removed otherwise false

getUser

public User getUser(User user)

Return a user

Parameters:

user - the userobject containing the username

Returns:

a User

userNames

public java.util.Iterator userNames()

Return a list of user names currently supported by the user manager. This includes all types of users.

Returns:

an enumeration of the user names

destroy

public void destroy()

Destroy this manager. This is brutal and final

validateUser

public boolean validateUser(java.lang.String username,
                            java.lang.String password)

Determines if a user's name and password are valid

Parameters:

username - the user's name

password - the user's password

Returns:

true if the name and password are valid, otherwise false

init

protected void init()
             throws org.exolab.core.service.ServiceException

Initialise user manager.

Throws:

org.exolab.core.service.ServiceException - if the user manager cannot be initialised

addToUserCache

protected void addToUserCache(User user)

Add the specified entry to the user cache, if it doesn't already exist.

Parameters:

user - - user to add

removeFromUserCache

protected void removeFromUserCache(User user)

Remove the specified user from the cache

Parameters:

user - the user to remove

registerConfiguredUsers

protected void registerConfiguredUsers()

Registers users specified in the configuration