public void revoke()

in hibernate/src/java/org/apache/fulcrum/security/hibernate/turbine/HibernateModelManagerImpl.java [215:269]
51 lines of code
13 McCabe index (conditional complexity)

    public void revoke(User user, Group group, Role role) throws DataBackendException, UnknownEntityException
    {
        boolean roleExists = false;
        boolean userExists = false;
        boolean groupExists = false;
        try
        {
            roleExists = getRoleManager().checkExists(role);
            userExists = getUserManager().checkExists(user);
            groupExists = getGroupManager().checkExists(group);
            if (roleExists && groupExists && userExists)
            {
                boolean ugrFound = false;
                for (TurbineUserGroupRole ugr : ((TurbineUser) user).getUserGroupRoleSet())
                {
                    if (ugr.getUser().equals(user) && ugr.getGroup().equals(group) && ugr.getRole().equals(role))
                    {
                        ugrFound = true;

                        ((TurbineUser) user).removeUserGroupRole(ugr);
                        ((TurbineGroup) group).removeUserGroupRole(ugr);
                        ((TurbineRole) role).removeUserGroupRole(ugr);

                        getPersistenceHelper().updateEntity(user);
                        getPersistenceHelper().updateEntity(group);
                        getPersistenceHelper().updateEntity(role);

                        break;
                    }
                }
                if (!ugrFound)
                {
                    throw new UnknownEntityException("Could not find User/Group/Role");
                }

                return;
            }
        }
        catch (DataBackendException e)
        {
            throw new DataBackendException("revoke(User,Group,Role) failed", e);
        }
        if (!roleExists)
        {
            throw new UnknownEntityException("Unknown role '" + role.getName() + "'");
        }
        if (!groupExists)
        {
            throw new UnknownEntityException("Unknown group '" + group.getName() + "'");
        }
        if (!userExists)
        {
            throw new UnknownEntityException("Unknown user '" + user.getName() + "'");
        }
    }