'Determine whether the request should be handled by this table.'

@classmethod
def check_handler(cls, request):

    if ((request.method == 'POST') and ('action' in request.POST)):
        (table, action, obj_id) = cls.parse_action(request.POST['action'])
    elif (('table' in request.GET) and ('action' in request.GET)):
        table = request.GET['table']
        action = request.GET['action']
        obj_id = request.GET.get('obj_id', None)
    else:
        table = action = obj_id = None
    return (table, action, obj_id)
