Package net.sf.basedb.core

Class GroupPermissions

java.lang.Object
net.sf.basedb.core.GroupPermissions
public class GroupPermissions extends Object
This class is used to specify permissions to share an item to groups. It is a three-step procedure: Don't forget to commit the transaction.
Version:
2.0
Author:
Nicklas
See Also:
Last modified
$Date: 2010-06-22 14:51:41 +0200 (ti, 22 jun 2010) $

  • Field Details

  • Constructor Details

    • GroupPermissions

      public GroupPermissions()
      Create a new empty object.

    • GroupPermissions

      public GroupPermissions(ItemKey itemKey) throws InvalidDataException
      Create a new object, and initialise it with the permissions from a ItemKey.
      Parameters:
      itemKey - The item key from which we take the current permissions
      Throws:
      InvalidDataException - If the item key is null

  • Method Details

    • merge

      public void merge(ItemKey itemKey)
      Merge the permissions for all groups from the given item key with the permissions in this object. If the item key contains permissions for a group that already has permissions in this object the permissions are combined (added) to create a new permission.
      Parameters:
      itemKey - An item key (if null, this method simply returns)
      Since:
      2.16

    • setPermissions

      public void setPermissions(Group group, Set<Permission> permissions) throws InvalidDataException
      Grant permissions to a group. Use an empty Set or null to remove all permissions for the group.
      Parameters:
      group - The Group
      permissions - The permissions to grant
      Throws:
      InvalidDataException - If the group is null
      See Also:

    • addPermissions

      public void addPermissions(Group group, Set<Permission> permissions) throws InvalidDataException
      Grant permissions to a group, keeping those that have already been set.
      Parameters:
      group - The Group
      permissions - The permissions to grant
      Throws:
      InvalidDataException - If the user is null
      See Also:

    • getPermissions

      public Set<Permission> getPermissions(Group group) throws InvalidDataException
      Get the permissions for a group.
      Parameters:
      group - The Group for which we want to get the permission
      Returns:
      An Set containing the granted permissions, or an empty set if no permissions have been granted
      Throws:
      InvalidDataException - If the group is null
      See Also:

    • getOriginalPermissions

      public Set<Permission> getOriginalPermissions(Group group)
      Get the original permissions for a group if this object was created with the GroupPermissions(ItemKey) constructor.
      Parameters:
      group - The Group for which we want to get the permission
      Returns:
      An Set containing the original permissions, or an empty set
      Throws:
      InvalidDataException - If the group is null
      Since:
      2.6
      See Also:

    • hasChanged

      public boolean hasChanged(Group group)
      Check if the current permissions for the group has been changed from the original permissions. This method will return false if the getPermissions(Group) returns a set with the same permissions getOriginalPermissions(Group).
      Parameters:
      group - The group to check
      Returns:
      TRUE if the permissions have changed, FALSE otherwise
      Throws:
      InvalidDataException - If the group is null
      Since:
      2.6

    • size

      public int size()
      Get the number of entries.

    • getGroupPermissions

      final Map<GroupData,Integer> getGroupPermissions()
      Get the internal representation of the permissions.

    • getOriginalPermissions

      final Map<GroupData,Integer> getOriginalPermissions()
      Get the internal representation of the original permissions.
      Since:
      2.6