com.opensymphony.user.provider.ejb
Class EJBAccessProvider

java.lang.Object
  com.opensymphony.user.provider.ejb.EJBAccessProvider

All Implemented Interfaces:

AccessProvider, java.io.Serializable, UserProvider

public class EJBAccessProvider

extends java.lang.Object

implements AccessProvider

Author:

Joe Walnes, Mike Cannon-Brookes, Patrick Lightbody $Revision: 1.4 $

See Also:

Serialized Form

Constructor Summary

EJBAccessProvider()

Method Summary

boolean	addToGroup(java.lang.String username, java.lang.String groupname) Add user to group.
boolean	create(java.lang.String name) Create new Entity with given name.
void	flushCaches() Flush the providers caches - if it is caching.
boolean	handles(java.lang.String name) Determine whether this UserProvider implementation is responsible for handling this Entity.
boolean	inGroup(java.lang.String username, java.lang.String groupname) Find out whether given user is member of given group.
boolean	init(java.util.Properties properties) Called by UserManager before any other method.
java.util.List	list() Returns List of names (Strings) of all Entities that can be accessed by this UserProvider If this UserProvider cannot retrieve a list of names, null is to be returned.
java.util.List	listGroupsContainingUser(java.lang.String username) List all groups that contain a user.
java.util.List	listUsersInGroup(java.lang.String groupname) List all users that are contained within a group.
boolean	load(java.lang.String name, Entity.Accessor accessor) Load Entity.
boolean	remove(java.lang.String name) Remove Entity with given name.
boolean	removeFromGroup(java.lang.String username, java.lang.String groupname) Remove user from group.
boolean	store(java.lang.String name, Entity.Accessor accessor) Stores changes to Entity.

Methods inherited from class java.lang.Object

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

Constructor Detail

EJBAccessProvider

public EJBAccessProvider()

Method Detail

addToGroup

public boolean addToGroup(java.lang.String username,
                          java.lang.String groupname)

Description copied from interface: AccessProvider

Add user to group.

Specified by:

addToGroup in interface AccessProvider

Returns:

Whether user was successfully added to group.

create

public boolean create(java.lang.String name)

Description copied from interface: UserProvider

Create new Entity with given name.

Specified by:

create in interface UserProvider

Returns:

Whether entity was successfully created.

flushCaches

public void flushCaches()

Description copied from interface: UserProvider

Flush the providers caches - if it is caching. Providers may implement their own caching strategies. This method merely indicates to the provider that it should flush it's caches now.

Specified by:

flushCaches in interface UserProvider

handles

public boolean handles(java.lang.String name)

Description copied from interface: UserProvider

Determine whether this UserProvider implementation is responsible for handling this Entity.

Specified by:

handles in interface UserProvider

inGroup

public boolean inGroup(java.lang.String username,
                       java.lang.String groupname)

Description copied from interface: AccessProvider

Find out whether given user is member of given group.

Specified by:

inGroup in interface AccessProvider

Returns:

Whether user is member of group.

init

public boolean init(java.util.Properties properties)

Description copied from interface: UserProvider

Called by UserManager before any other method. Allows for UserProvider specific initialization.

Specified by:

init in interface UserProvider

Parameters:

properties - Extra properties passed across by UserManager.

list

public java.util.List list()

Description copied from interface: UserProvider

Returns List of names (Strings) of all Entities that can be accessed by this UserProvider If this UserProvider cannot retrieve a list of names, null is to be returned. If there are no current Entities stored by this provider, an empty List is to be returned. The order of names returned can be determined by the UserProvider (it may or may not be relevant). This List should be immutable.

Specified by:

list in interface UserProvider

listGroupsContainingUser

public java.util.List listGroupsContainingUser(java.lang.String username)

Description copied from interface: AccessProvider

List all groups that contain a user.

Specified by:

listGroupsContainingUser in interface AccessProvider

Returns:

List containing Strings of groupnames. If no groups found, empty list should be returned. If feature not supported by UserProvider, null shall be returned. This List should be immutable.

listUsersInGroup

public java.util.List listUsersInGroup(java.lang.String groupname)

Description copied from interface: AccessProvider

List all users that are contained within a group.

Specified by:

listUsersInGroup in interface AccessProvider

Returns:

List containing Strings of usernames. If no users found, empty list should be returned. If feature not supported by UserProvider, null shall be returned. This List should be immutable.

load

public boolean load(java.lang.String name,
                    Entity.Accessor accessor)

Description copied from interface: UserProvider

Load Entity.

Specified by:

load in interface UserProvider

Returns:

Whether entity was successfully loaded.

remove

public boolean remove(java.lang.String name)

Description copied from interface: UserProvider

Remove Entity with given name.

Specified by:

remove in interface UserProvider

Returns:

Whether entity was successfully removed.

removeFromGroup

public boolean removeFromGroup(java.lang.String username,
                               java.lang.String groupname)

Description copied from interface: AccessProvider

Remove user from group.

Specified by:

removeFromGroup in interface AccessProvider

Returns:

Whether user was successfully removed from group.

store

public boolean store(java.lang.String name,
                     Entity.Accessor accessor)

Description copied from interface: UserProvider

Stores changes to Entity.

Specified by:

store in interface UserProvider

Returns:

Whether changes to entity were successfully stored.