org.wamblee.usermgt
Class InMemoryUserSet

java.lang.Object
  org.wamblee.usermgt.AbstractUserSet
      org.wamblee.usermgt.InMemoryUserSet

All Implemented Interfaces:

UserSet

public class InMemoryUserSet
extends AbstractUserSet

In-memory user set.

Author:

Erik Brakkee

Constructor Summary

InMemoryUserSet(NameValidator aPasswordValidator, MessageDigester aPasswordEncoder)
Constructs an empty user set.

Method Summary

boolean	add(User aUser) Adds a user.
boolean	contains(User aUser) Checks if a user exists.
User	find(java.lang.String aName) Finds user.
java.util.Set<User>	list() Lists the current users.
java.util.Set<User>	list(Group aGroup) Lists the users belonging to a particular group.
boolean	remove(User aUser) Removes a user.
int	size()
void	userModified(User aUser) Must be called whenever a user object has been modified to notify the user set.

Methods inherited from class org.wamblee.usermgt.AbstractUserSet

createUser, setPasswordInfo

Methods inherited from class java.lang.Object

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

Constructor Detail

InMemoryUserSet

public InMemoryUserSet(NameValidator aPasswordValidator,
                       MessageDigester aPasswordEncoder)

Constructs an empty user set.

Method Detail

userModified

public void userModified(User aUser)

Description copied from interface: UserSet

Must be called whenever a user object has been modified to notify the user set.

Parameters:

aUser - Modified user.

find

public User find(java.lang.String aName)

Description copied from interface: UserSet

Finds user.

Parameters:

aName - Username.

Returns:

User or null if not found.

add

public boolean add(User aUser)

Description copied from interface: UserSet

Adds a user. If the user already exists, the user details are updated with that of the specified user object.

Parameters:

aUser - User to add.

contains

public boolean contains(User aUser)

Description copied from interface: UserSet

Checks if a user exists.

Parameters:

aUser - User.

Returns:

True iff the user exists.

remove

public boolean remove(User aUser)

Description copied from interface: UserSet

Removes a user. If the user does not exist, nothing happens.

list

public java.util.Set<User> list()

Description copied from interface: UserSet

Lists the current users.

Returns:

Users.

list

public java.util.Set<User> list(Group aGroup)

Description copied from interface: UserSet

Lists the users belonging to a particular group.

Parameters:

aGroup - Group.

Returns:

Groups.

size

public int size()

Returns:

The number of users.