public ActionStatus updateUserRoles()

in redback-integrations/redback-rest/redback-rest-services/src/main/java/org/apache/archiva/redback/rest/services/DefaultRoleManagementService.java [683:758]
63 lines of code
9 McCabe index (conditional complexity)

    public ActionStatus updateUserRoles( org.apache.archiva.redback.rest.api.model.User user )
        throws RedbackServiceException
    {

        String username = user.getUsername();

        if ( StringUtils.isEmpty( username ) )
        {
            throw new RedbackServiceException( new ErrorMessage( "rbac.edit.user.empty.principal" ) );
        }

        try
        {

            if ( !userManager.userExists( username ) )
            {
                throw new RedbackServiceException(
                    new ErrorMessage( "user.does.not.exist", new String[]{ username } ) );
            }

            User u = userManager.findUser( username );

            if ( u == null )
            {
                throw new RedbackServiceException( new ErrorMessage( "cannot.operate.on.null.user" ) );
            }

        }
        catch ( UserNotFoundException e )
        {
            throw new RedbackServiceException(
                new ErrorMessage( "user.does.not.exist", new String[]{ username, e.getMessage() } ) );
        }
        catch ( UserManagerException e )
        {
            throw new RedbackServiceException( new ErrorMessage( e.getMessage() ) );
        }

        try
        {

            UserAssignment assignment;

            if ( rbacManager.userAssignmentExists( username ) )
            {
                assignment = rbacManager.getUserAssignment( username );
            }
            else
            {
                assignment = rbacManager.createUserAssignment( username );
            }
            List<String> assignedRoleIds = user.getAssignedRoles().stream().map(roleName -> {
                try
                {
                    return Optional.of( rbacManager.getRole( roleName ).getId( ) );
                }
                catch ( RbacManagerException e )
                {
                    return Optional.<String>empty( );
                }
            } ).filter( Optional::isPresent ).map(Optional::get).collect( Collectors.toList());
            assignment.setRoleIds( assignedRoleIds );
            rbacManager.saveUserAssignment( assignment );

        }
        catch ( RbacManagerException e )
        {
            RedbackServiceException redbackServiceException =
                new RedbackServiceException( new ErrorMessage( e.getMessage() ) );
            redbackServiceException.setHttpErrorCode( Response.Status.INTERNAL_SERVER_ERROR.getStatusCode() );
            throw redbackServiceException;
        }

        return ActionStatus.SUCCESS;

    }