from typing import List
from jivago.lang.annotations import Override, Inject
from jivago.lang.stream import Stream
from jivago.wsgi.filter.system_filters.error_handling.exception_mapper import ExceptionMapper
from jivago.wsgi.filter.filter import Filter
from jivago.wsgi.filter.filter_chain import FilterChain
from jivago.wsgi.request.request import Request
from jivago.wsgi.request.response import Response
[docs]
class ApplicationExceptionFilter(Filter):
@Inject
def __init__(self, exception_mappers: List[ExceptionMapper]):
self.exception_mappers = exception_mappers
[docs]
@Override
def doFilter(self, request: Request, response: Response, chain: FilterChain):
try:
chain.doFilter(request, response)
except Exception as e:
exception_mapper = Stream(self.exception_mappers).firstMatch(lambda mapper: mapper.handles(e))
if exception_mapper.isPresent():
response.copy(exception_mapper.get().create_response(e))
else:
raise e