public ActionStatus updateRoleUsers()

in redback-integrations/redback-rest/redback-rest-services/src/main/java/org/apache/archiva/redback/rest/services/DefaultRoleManagementService.java [486:575]
77 lines of code
11 McCabe index (conditional complexity)

    public ActionStatus updateRoleUsers( Role role )
        throws RedbackServiceException
    {

        for ( org.apache.archiva.redback.rest.api.model.User user : role.getUsers() )
        {
            String username = user.getUsername();

            try
            {

                if ( !userManager.userExists( username ) )
                {
                    log.error( "user {} not exits", username );
                    throw new RedbackServiceException(
                        new ErrorMessage( "user.not.exists", new String[]{ username } ) );
                }

                UserAssignment assignment;

                if ( rbacManager.userAssignmentExists( username ) )
                {
                    assignment = rbacManager.getUserAssignment( username );
                }
                else
                {
                    assignment = rbacManager.createUserAssignment( username );
                }

                org.apache.archiva.redback.rbac.Role rbacRole = rbacManager.getRole( role.getName( ) );
                assignment.addRoleId( rbacRole.getId() );
                assignment = rbacManager.saveUserAssignment( assignment );
                log.info( "{} role assigned to {}", role.getName(), username );
            }
            catch ( RbacManagerException e )
            {
                log.error( "error during assign role {} to user {}" , role.getName(), username, e );
                throw new RedbackServiceException(
                    new ErrorMessage( "error.assign.role.user", new String[]{ role.getName(), username } ) );
            }
            catch ( UserManagerException e )
            {
                throw new RedbackServiceException( new ErrorMessage( e.getMessage() ) );
            }
        }

        for ( org.apache.archiva.redback.rest.api.model.User user : role.getRemovedUsers() )
        {
            String username = user.getUsername();

            try
            {

                if ( !userManager.userExists( username ) )
                {
                    log.error( "user {} not exits", username );
                    throw new RedbackServiceException(
                        new ErrorMessage( "user.not.exists", new String[]{ username } ) );
                }

                UserAssignment assignment;

                if ( rbacManager.userAssignmentExists( username ) )
                {
                    assignment = rbacManager.getUserAssignment( username );
                }
                else
                {
                    assignment = rbacManager.createUserAssignment( username );
                }

                org.apache.archiva.redback.rbac.Role rbacRole = rbacManager.getRole( role.getName( ) );
                assignment.removeRoleId( rbacRole.getId() );
                assignment = rbacManager.saveUserAssignment( assignment );
                log.info( "{} role unassigned to {}", role.getName(), username );
            }
            catch ( RbacManagerException e )
            {
                log.error( "error during assign role {} to user {}" , role.getName(), username, e );
                throw new RedbackServiceException(
                    new ErrorMessage( "error.unassign.role.user", new String[]{ role.getName(), username } ) );
            }
            catch ( UserManagerException e )
            {
                throw new RedbackServiceException( new ErrorMessage( e.getMessage() ) );
            }
        }

        return ActionStatus.SUCCESS;
    }