org.glyptodon.guacamole.net.auth.simple

Class SimpleObjectPermissionSet

java.lang.Object

org.glyptodon.guacamole.net.auth.simple.SimpleObjectPermissionSet

All Implemented Interfaces:

ObjectPermissionSet, PermissionSet<ObjectPermission>

public class SimpleObjectPermissionSet
extends Object
implements ObjectPermissionSet

A read-only implementation of ObjectPermissionSet which uses a backing Set of Permissions to determine which permissions are present.

Author:

Michael Jumper

Constructor Summary

Constructors

Constructor and Description
SimpleObjectPermissionSet() Creates a new empty SimpleObjectPermissionSet.
SimpleObjectPermissionSet(Set<ObjectPermission> permissions) Creates a new SimpleObjectPermissionSet which contains the permissions within the given Set.

Method Summary

Modifier and Type	Method and Description
void	addPermission(ObjectPermission.Type permission, String identifier) Adds the specified permission for the object having the given identifier.
void	addPermissions(Set<ObjectPermission> permissions) Adds the specified permissions, if not already granted.
Collection<String>	getAccessibleObjects(Collection<ObjectPermission.Type> permissionTypes, Collection<String> identifiers) Tests whether this user has the specified permissions for the objects having the given identifiers.
Set<ObjectPermission>	getPermissions() Returns a Set which contains all permissions granted within this permission set.
boolean	hasPermission(ObjectPermission.Type permission, String identifier) Tests whether the permission of the given type is granted for the object having the given identifier.
void	removePermission(ObjectPermission.Type permission, String identifier) Removes the specified permission for the object having the given identifier.
void	removePermissions(Set<ObjectPermission> permissions) Removes each of the specified permissions, if granted.
protected void	setPermissions(Set<ObjectPermission> permissions) Sets the Set which backs this SimpleObjectPermissionSet.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleObjectPermissionSet

public SimpleObjectPermissionSet()

Creates a new empty SimpleObjectPermissionSet.

SimpleObjectPermissionSet

public SimpleObjectPermissionSet(Set<ObjectPermission> permissions)

Creates a new SimpleObjectPermissionSet which contains the permissions within the given Set.

Parameters:

permissions - The Set of permissions this SimpleObjectPermissionSet should contain.

Method Detail

setPermissions

protected void setPermissions(Set<ObjectPermission> permissions)

Sets the Set which backs this SimpleObjectPermissionSet. Future function calls on this SimpleObjectPermissionSet will use the provided Set.

Parameters:

permissions - The Set of permissions this SimpleObjectPermissionSet should contain.

getPermissions

public Set<ObjectPermission> getPermissions()

Description copied from interface: PermissionSet

Returns a Set which contains all permissions granted within this permission set.

Specified by:

getPermissions in interface ObjectPermissionSet

Specified by:

getPermissions in interface PermissionSet<ObjectPermission>

Returns:

A Set containing all permissions granted within this permission set.

hasPermission

public boolean hasPermission(ObjectPermission.Type permission,
                             String identifier)
                      throws org.glyptodon.guacamole.GuacamoleException

Description copied from interface: ObjectPermissionSet

Tests whether the permission of the given type is granted for the object having the given identifier.

Specified by:

hasPermission in interface ObjectPermissionSet

Parameters:

permission - The permission to check.

identifier - The identifier of the object affected by the permission being checked.

Returns:

true if the permission is granted, false otherwise.

Throws:

org.glyptodon.guacamole.GuacamoleException - If an error occurs while checking permissions, or if permissions cannot be checked due to lack of permissions to do so.

addPermission

public void addPermission(ObjectPermission.Type permission,
                          String identifier)
                   throws org.glyptodon.guacamole.GuacamoleException

Description copied from interface: ObjectPermissionSet

Adds the specified permission for the object having the given identifier.

Specified by:

addPermission in interface ObjectPermissionSet

Parameters:

permission - The permission to add.

identifier - The identifier of the object affected by the permission being added.

Throws:

org.glyptodon.guacamole.GuacamoleException - If an error occurs while adding the permission, or if permission to add permissions is denied.

removePermission

public void removePermission(ObjectPermission.Type permission,
                             String identifier)
                      throws org.glyptodon.guacamole.GuacamoleException

Description copied from interface: ObjectPermissionSet

Removes the specified permission for the object having the given identifier.

Specified by:

removePermission in interface ObjectPermissionSet

Parameters:

permission - The permission to remove.

identifier - The identifier of the object affected by the permission being added.

Throws:

org.glyptodon.guacamole.GuacamoleException - If an error occurs while removing the permission, or if permission to remove permissions is denied.

getAccessibleObjects

public Collection<String> getAccessibleObjects(Collection<ObjectPermission.Type> permissionTypes,
                                               Collection<String> identifiers)
                                        throws org.glyptodon.guacamole.GuacamoleException

Description copied from interface: ObjectPermissionSet

Tests whether this user has the specified permissions for the objects having the given identifiers. The identifier of an object is returned in a new collection if at least one of the specified permissions is granted for that object.

Specified by:

getAccessibleObjects in interface ObjectPermissionSet

Parameters:

permissionTypes - The permissions to check. An identifier will be included in the resulting collection if at least one of these permissions is granted for the associated object

identifiers - The identifiers of the objects affected by the permissions being checked.

Returns:

A collection containing the subset of identifiers for which at least one of the specified permissions is granted.

Throws:

org.glyptodon.guacamole.GuacamoleException - If an error occurs while checking permissions, or if permissions cannot be checked due to lack of permissions to do so.

addPermissions

public void addPermissions(Set<ObjectPermission> permissions)
                    throws org.glyptodon.guacamole.GuacamoleException

Description copied from interface: PermissionSet

Adds the specified permissions, if not already granted. If a specified permission is already granted, no operation is performed regarding that permission.

Specified by:

addPermissions in interface ObjectPermissionSet

Specified by:

addPermissions in interface PermissionSet<ObjectPermission>

Parameters:

permissions - The permissions to add.

Throws:

org.glyptodon.guacamole.GuacamoleException - If an error occurs while adding the permissions, or if permission to add permissions is denied.

removePermissions

public void removePermissions(Set<ObjectPermission> permissions)
                       throws org.glyptodon.guacamole.GuacamoleException

Description copied from interface: PermissionSet

Removes each of the specified permissions, if granted. If a specified permission is not granted, no operation is performed regarding that permission.

Specified by:

removePermissions in interface ObjectPermissionSet

Specified by:

removePermissions in interface PermissionSet<ObjectPermission>

Parameters:

permissions - The permissions to remove.

Throws:

org.glyptodon.guacamole.GuacamoleException - If an error occurs while removing the permissions, or if permission to remove permissions is denied.