from typing import List
from jivago.wsgi.invocation.incorrect_resource_parameters_exception import IncorrectResourceParametersException
from jivago.wsgi.invocation.route_handler_factory import RouteHandlerFactory
from jivago.wsgi.request.request import Request
from jivago.wsgi.request.response import Response
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class FilterChain(object):
def __init__(self, filters: List["Filter"], route_handler_factory: RouteHandlerFactory):
self.route_handler_factory = route_handler_factory
self.filters = filters
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def doFilter(self, request: Request, response: Response):
if len(self.filters) == 0:
gotten_response = None
for invoker in self.route_handler_factory.create_route_handlers(request):
try:
gotten_response = invoker.invoke(request)
break
except IncorrectResourceParametersException:
continue
if gotten_response is None:
raise IncorrectResourceParametersException()
response.copy(gotten_response)
else:
self.filters[0].doFilter(request, response, self.getNextChain())
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def getNextChain(self):
return FilterChain(self.filters[1::], self.route_handler_factory)