Rename ServantError to ClientError, ServantErr to ServerError

This commit is contained in:
Oleg Grenrus 2019-02-18 20:17:46 +02:00
parent e922b9898c
commit a5655f8d5a
25 changed files with 162 additions and 166 deletions

View file

@ -87,9 +87,7 @@ install:
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"doc/cookbook/db-sqlite-simple\"\\n' >> cabal.project ; fi" - "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"doc/cookbook/db-sqlite-simple\"\\n' >> cabal.project ; fi"
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"doc/cookbook/file-upload\"\\n' >> cabal.project ; fi" - "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"doc/cookbook/file-upload\"\\n' >> cabal.project ; fi"
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"doc/cookbook/generic\"\\n' >> cabal.project ; fi" - "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"doc/cookbook/generic\"\\n' >> cabal.project ; fi"
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"doc/cookbook/hoist-server-with-context\"\\n' >> cabal.project ; fi"
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"doc/cookbook/https\"\\n' >> cabal.project ; fi" - "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"doc/cookbook/https\"\\n' >> cabal.project ; fi"
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"doc/cookbook/jwt-and-basic-auth\"\\n' >> cabal.project ; fi"
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"doc/cookbook/testing\"\\n' >> cabal.project ; fi" - "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"doc/cookbook/testing\"\\n' >> cabal.project ; fi"
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"doc/cookbook/structuring-apis\"\\n' >> cabal.project ; fi" - "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"doc/cookbook/structuring-apis\"\\n' >> cabal.project ; fi"
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"doc/cookbook/using-custom-monad\"\\n' >> cabal.project ; fi" - "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"doc/cookbook/using-custom-monad\"\\n' >> cabal.project ; fi"
@ -106,7 +104,7 @@ install:
- "echo 'reorder-goals: True' >> cabal.project" - "echo 'reorder-goals: True' >> cabal.project"
- "echo 'optimization: False' >> cabal.project " - "echo 'optimization: False' >> cabal.project "
- touch cabal.project.local - touch cabal.project.local
- "for pkg in $($HCPKG list --simple-output); do echo $pkg | sed 's/-[^-]*$//' | grep -vE -- '^(cookbook-basic-auth|cookbook-basic-streaming|cookbook-curl-mock|cookbook-db-postgres-pool|cookbook-db-sqlite-simple|cookbook-file-upload|cookbook-generic|cookbook-hoist-server-with-context|cookbook-https|cookbook-jwt-and-basic-auth|cookbook-structuring-apis|cookbook-testing|cookbook-using-custom-monad|cookbook-using-free-client|servant|servant-client|servant-client-core|servant-conduit|servant-docs|servant-foreign|servant-http-streams|servant-machines|servant-pipes|servant-server|tutorial)$' | sed 's/^/constraints: /' | sed 's/$/ installed/' >> cabal.project.local; done" - "for pkg in $($HCPKG list --simple-output); do echo $pkg | sed 's/-[^-]*$//' | grep -vE -- '^(cookbook-basic-auth|cookbook-basic-streaming|cookbook-curl-mock|cookbook-db-postgres-pool|cookbook-db-sqlite-simple|cookbook-file-upload|cookbook-generic|cookbook-https|cookbook-structuring-apis|cookbook-testing|cookbook-using-custom-monad|cookbook-using-free-client|servant|servant-client|servant-client-core|servant-conduit|servant-docs|servant-foreign|servant-http-streams|servant-machines|servant-pipes|servant-server|tutorial)$' | sed 's/^/constraints: /' | sed 's/$/ installed/' >> cabal.project.local; done"
- cat cabal.project || true - cat cabal.project || true
- cat cabal.project.local || true - cat cabal.project.local || true
- if [ -f "servant/configure.ac" ]; then (cd "servant" && autoreconf -i); fi - if [ -f "servant/configure.ac" ]; then (cd "servant" && autoreconf -i); fi
@ -127,15 +125,13 @@ install:
- if [ -f "doc/cookbook/db-sqlite-simple/configure.ac" ]; then (cd "doc/cookbook/db-sqlite-simple" && autoreconf -i); fi - if [ -f "doc/cookbook/db-sqlite-simple/configure.ac" ]; then (cd "doc/cookbook/db-sqlite-simple" && autoreconf -i); fi
- if [ -f "doc/cookbook/file-upload/configure.ac" ]; then (cd "doc/cookbook/file-upload" && autoreconf -i); fi - if [ -f "doc/cookbook/file-upload/configure.ac" ]; then (cd "doc/cookbook/file-upload" && autoreconf -i); fi
- if [ -f "doc/cookbook/generic/configure.ac" ]; then (cd "doc/cookbook/generic" && autoreconf -i); fi - if [ -f "doc/cookbook/generic/configure.ac" ]; then (cd "doc/cookbook/generic" && autoreconf -i); fi
- if [ -f "doc/cookbook/hoist-server-with-context/configure.ac" ]; then (cd "doc/cookbook/hoist-server-with-context" && autoreconf -i); fi
- if [ -f "doc/cookbook/https/configure.ac" ]; then (cd "doc/cookbook/https" && autoreconf -i); fi - if [ -f "doc/cookbook/https/configure.ac" ]; then (cd "doc/cookbook/https" && autoreconf -i); fi
- if [ -f "doc/cookbook/jwt-and-basic-auth/configure.ac" ]; then (cd "doc/cookbook/jwt-and-basic-auth" && autoreconf -i); fi
- if [ -f "doc/cookbook/testing/configure.ac" ]; then (cd "doc/cookbook/testing" && autoreconf -i); fi - if [ -f "doc/cookbook/testing/configure.ac" ]; then (cd "doc/cookbook/testing" && autoreconf -i); fi
- if [ -f "doc/cookbook/structuring-apis/configure.ac" ]; then (cd "doc/cookbook/structuring-apis" && autoreconf -i); fi - if [ -f "doc/cookbook/structuring-apis/configure.ac" ]; then (cd "doc/cookbook/structuring-apis" && autoreconf -i); fi
- if [ -f "doc/cookbook/using-custom-monad/configure.ac" ]; then (cd "doc/cookbook/using-custom-monad" && autoreconf -i); fi - if [ -f "doc/cookbook/using-custom-monad/configure.ac" ]; then (cd "doc/cookbook/using-custom-monad" && autoreconf -i); fi
- if [ -f "doc/cookbook/using-free-client/configure.ac" ]; then (cd "doc/cookbook/using-free-client" && autoreconf -i); fi - if [ -f "doc/cookbook/using-free-client/configure.ac" ]; then (cd "doc/cookbook/using-free-client" && autoreconf -i); fi
- rm -f cabal.project.freeze - rm -f cabal.project.freeze
- rm -rf .ghc.environment.* "servant"/dist "servant-client"/dist "servant-client-core"/dist "servant-http-streams"/dist "servant-docs"/dist "servant-foreign"/dist "servant-server"/dist "doc/tutorial"/dist "servant-machines"/dist "servant-conduit"/dist "servant-pipes"/dist "doc/cookbook/basic-auth"/dist "doc/cookbook/curl-mock"/dist "doc/cookbook/basic-streaming"/dist "doc/cookbook/db-postgres-pool"/dist "doc/cookbook/db-sqlite-simple"/dist "doc/cookbook/file-upload"/dist "doc/cookbook/generic"/dist "doc/cookbook/hoist-server-with-context"/dist "doc/cookbook/https"/dist "doc/cookbook/jwt-and-basic-auth"/dist "doc/cookbook/testing"/dist "doc/cookbook/structuring-apis"/dist "doc/cookbook/using-custom-monad"/dist "doc/cookbook/using-free-client"/dist - rm -rf .ghc.environment.* "servant"/dist "servant-client"/dist "servant-client-core"/dist "servant-http-streams"/dist "servant-docs"/dist "servant-foreign"/dist "servant-server"/dist "doc/tutorial"/dist "servant-machines"/dist "servant-conduit"/dist "servant-pipes"/dist "doc/cookbook/basic-auth"/dist "doc/cookbook/curl-mock"/dist "doc/cookbook/basic-streaming"/dist "doc/cookbook/db-postgres-pool"/dist "doc/cookbook/db-sqlite-simple"/dist "doc/cookbook/file-upload"/dist "doc/cookbook/generic"/dist "doc/cookbook/https"/dist "doc/cookbook/testing"/dist "doc/cookbook/structuring-apis"/dist "doc/cookbook/using-custom-monad"/dist "doc/cookbook/using-free-client"/dist
- DISTDIR=$(mktemp -d /tmp/dist-test.XXXX) - DISTDIR=$(mktemp -d /tmp/dist-test.XXXX)
# Here starts the actual work to be performed for the package under test; # Here starts the actual work to be performed for the package under test;
@ -169,9 +165,7 @@ script:
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"cookbook-db-sqlite-simple-*/*.cabal\"\\n' >> cabal.project ; fi" - "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"cookbook-db-sqlite-simple-*/*.cabal\"\\n' >> cabal.project ; fi"
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"cookbook-file-upload-*/*.cabal\"\\n' >> cabal.project ; fi" - "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"cookbook-file-upload-*/*.cabal\"\\n' >> cabal.project ; fi"
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"cookbook-generic-*/*.cabal\"\\n' >> cabal.project ; fi" - "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"cookbook-generic-*/*.cabal\"\\n' >> cabal.project ; fi"
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"cookbook-hoist-server-with-context-*/*.cabal\"\\n' >> cabal.project ; fi"
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"cookbook-https-*/*.cabal\"\\n' >> cabal.project ; fi" - "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"cookbook-https-*/*.cabal\"\\n' >> cabal.project ; fi"
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"cookbook-jwt-and-basic-auth-*/*.cabal\"\\n' >> cabal.project ; fi"
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"cookbook-testing-*/*.cabal\"\\n' >> cabal.project ; fi" - "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"cookbook-testing-*/*.cabal\"\\n' >> cabal.project ; fi"
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"cookbook-structuring-apis-*/*.cabal\"\\n' >> cabal.project ; fi" - "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"cookbook-structuring-apis-*/*.cabal\"\\n' >> cabal.project ; fi"
- "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"cookbook-using-custom-monad-*/*.cabal\"\\n' >> cabal.project ; fi" - "if [ $HCNUMVER -eq 80404 ] || [ $HCNUMVER -eq 80603 ] ; then printf 'packages: \"cookbook-using-custom-monad-*/*.cabal\"\\n' >> cabal.project ; fi"
@ -188,7 +182,7 @@ script:
- "echo 'reorder-goals: True' >> cabal.project" - "echo 'reorder-goals: True' >> cabal.project"
- "echo 'optimization: False' >> cabal.project " - "echo 'optimization: False' >> cabal.project "
- touch cabal.project.local - touch cabal.project.local
- "for pkg in $($HCPKG list --simple-output); do echo $pkg | sed 's/-[^-]*$//' | grep -vE -- '^(cookbook-basic-auth|cookbook-basic-streaming|cookbook-curl-mock|cookbook-db-postgres-pool|cookbook-db-sqlite-simple|cookbook-file-upload|cookbook-generic|cookbook-hoist-server-with-context|cookbook-https|cookbook-jwt-and-basic-auth|cookbook-structuring-apis|cookbook-testing|cookbook-using-custom-monad|cookbook-using-free-client|servant|servant-client|servant-client-core|servant-conduit|servant-docs|servant-foreign|servant-http-streams|servant-machines|servant-pipes|servant-server|tutorial)$' | sed 's/^/constraints: /' | sed 's/$/ installed/' >> cabal.project.local; done" - "for pkg in $($HCPKG list --simple-output); do echo $pkg | sed 's/-[^-]*$//' | grep -vE -- '^(cookbook-basic-auth|cookbook-basic-streaming|cookbook-curl-mock|cookbook-db-postgres-pool|cookbook-db-sqlite-simple|cookbook-file-upload|cookbook-generic|cookbook-https|cookbook-structuring-apis|cookbook-testing|cookbook-using-custom-monad|cookbook-using-free-client|servant|servant-client|servant-client-core|servant-conduit|servant-docs|servant-foreign|servant-http-streams|servant-machines|servant-pipes|servant-server|tutorial)$' | sed 's/^/constraints: /' | sed 's/$/ installed/' >> cabal.project.local; done"
- cat cabal.project || true - cat cabal.project || true
- cat cabal.project.local || true - cat cabal.project.local || true
- echo -en 'travis_fold:end:unpack\\r' - echo -en 'travis_fold:end:unpack\\r'

View file

@ -21,11 +21,11 @@ packages:
doc/cookbook/db-sqlite-simple doc/cookbook/db-sqlite-simple
doc/cookbook/file-upload doc/cookbook/file-upload
doc/cookbook/generic doc/cookbook/generic
doc/cookbook/hoist-server-with-context -- doc/cookbook/hoist-server-with-context
doc/cookbook/https doc/cookbook/https
doc/cookbook/jwt-and-basic-auth/ -- doc/cookbook/jwt-and-basic-auth/
-- doc/cookbook/pagination -- doc/cookbook/pagination
-- doc/cookbook/sentry -- doc/cookbook/sentry
doc/cookbook/testing doc/cookbook/testing
doc/cookbook/structuring-apis doc/cookbook/structuring-apis
doc/cookbook/using-custom-monad doc/cookbook/using-custom-monad

View file

@ -234,7 +234,7 @@ clientEnv esHost esPort = do
manager <- newManager defaultManagerSettings manager <- newManager defaultManagerSettings
pure $ mkClientEnv manager baseUrl pure $ mkClientEnv manager baseUrl
runSearchClient :: Text -> Text -> ClientM a -> IO (Either ServantError a) runSearchClient :: Text -> Text -> ClientM a -> IO (Either ClientError a)
runSearchClient esHost esPort = (clientEnv esHost esPort >>=) . runClientM runSearchClient esHost esPort = (clientEnv esHost esPort >>=) . runClientM
``` ```
@ -267,7 +267,7 @@ docServer esHost esPort = getDocById esHost esPort
-- actions -- actions
getDocById :: Text -> Text -> Integer -> Handler Value getDocById :: Text -> Text -> Integer -> Handler Value
getDocById esHost esPort docId = do getDocById esHost esPort docId = do
-- Our Servant Client function returns Either ServantError Value here: -- Our Servant Client function returns Either ClientError Value here:
docRes <- liftIO $ runSearchClient esHost esPort (getDocument docId) docRes <- liftIO $ runSearchClient esHost esPort (getDocument docId)
case docRes of case docRes of
Left err -> throwError $ err404 { errBody = "Failed looking up content" } Left err -> throwError $ err404 { errBody = "Failed looking up content" }

View file

@ -599,7 +599,7 @@ $ curl -H 'Accept: text/html' http://localhost:8081/persons
## The `Handler` monad ## The `Handler` monad
At the heart of the handlers is the monad they run in, namely a newtype `Handler` around `ExceptT ServantErr IO` At the heart of the handlers is the monad they run in, namely a newtype `Handler` around `ExceptT ServerErroror IO`
([haddock documentation for `ExceptT`](http://hackage.haskell.org/package/mtl-2.2.1/docs/Control-Monad-Except.html#t:ExceptT)). ([haddock documentation for `ExceptT`](http://hackage.haskell.org/package/mtl-2.2.1/docs/Control-Monad-Except.html#t:ExceptT)).
One might wonder: why this monad? The answer is that it is the One might wonder: why this monad? The answer is that it is the
simplest monad with the following properties: simplest monad with the following properties:
@ -617,7 +617,7 @@ newtype ExceptT e m a = ExceptT (m (Either e a))
``` ```
In short, this means that a handler of type `Handler a` is simply In short, this means that a handler of type `Handler a` is simply
equivalent to a computation of type `IO (Either ServantErr a)`, that is, an IO equivalent to a computation of type `IO (Either ServerError a)`, that is, an IO
action that either returns an error or a result. action that either returns an error or a result.
The module [`Control.Monad.Except`](https://hackage.haskell.org/package/mtl-2.2.1/docs/Control-Monad-Except.html#t:ExceptT) The module [`Control.Monad.Except`](https://hackage.haskell.org/package/mtl-2.2.1/docs/Control-Monad-Except.html#t:ExceptT)
@ -660,16 +660,16 @@ server5 = do
return (FileContent filecontent) return (FileContent filecontent)
``` ```
### Failing, through `ServantErr` ### Failing, through `ServerError`
If you want to explicitly fail at providing the result promised by an endpoint If you want to explicitly fail at providing the result promised by an endpoint
using the appropriate HTTP status code (not found, unauthorized, etc) and some using the appropriate HTTP status code (not found, unauthorized, etc) and some
error message, all you have to do is use the `throwError` function mentioned above error message, all you have to do is use the `throwError` function mentioned above
and provide it with the appropriate value of type `ServantErr`, which is and provide it with the appropriate value of type `ServerError`, which is
defined as: defined as:
``` haskell ignore ``` haskell ignore
data ServantErr = ServantErr data ServerError = ServerError
{ errHTTPCode :: Int { errHTTPCode :: Int
, errReasonPhrase :: String , errReasonPhrase :: String
, errBody :: ByteString -- lazy bytestring , errBody :: ByteString -- lazy bytestring
@ -685,7 +685,7 @@ use record update syntax:
failingHandler :: Handler () failingHandler :: Handler ()
failingHandler = throwError myerr failingHandler = throwError myerr
where myerr :: ServantErr where myerr :: ServerError
myerr = err503 { errBody = "Sorry dear user." } myerr = err503 { errBody = "Sorry dear user." }
``` ```

View file

@ -32,7 +32,7 @@ module Servant.Client.Core
, AuthClientData , AuthClientData
-- * Generic Client -- * Generic Client
, ServantError(..) , ClientError(..)
, EmptyClient(..) , EmptyClient(..)
-- * Response -- * Response

View file

@ -9,7 +9,7 @@
{-# LANGUAGE ScopedTypeVariables #-} {-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TypeFamilies #-} {-# LANGUAGE TypeFamilies #-}
module Servant.Client.Core.ClientError ( module Servant.Client.Core.ClientError (
ServantError (..), ClientError (..),
) where ) where
import Prelude () import Prelude ()
@ -42,7 +42,7 @@ import Servant.Client.Core.Response
-- | A type representing possible errors in a request -- | A type representing possible errors in a request
-- --
-- Note that this type substantially changed in 0.12. -- Note that this type substantially changed in 0.12.
data ServantError = data ClientError =
-- | The server returned an error response including the -- | The server returned an error response including the
-- failing request. 'requestPath' includes the 'BaseUrl' and the -- failing request. 'requestPath' includes the 'BaseUrl' and the
-- path of the request. -- path of the request.
@ -57,7 +57,7 @@ data ServantError =
| ConnectionError SomeException | ConnectionError SomeException
deriving (Show, Generic, Typeable) deriving (Show, Generic, Typeable)
instance Eq ServantError where instance Eq ClientError where
FailureResponse req res == FailureResponse req' res' = req == req' && res == res' FailureResponse req res == FailureResponse req' res' = req == req' && res == res'
DecodeFailure t r == DecodeFailure t' r' = t == t' && r == r' DecodeFailure t r == DecodeFailure t' r' = t == t' && r == r'
UnsupportedContentType mt r == UnsupportedContentType mt' r' = mt == mt' && r == r' UnsupportedContentType mt r == UnsupportedContentType mt' r' = mt == mt' && r == r'
@ -74,11 +74,11 @@ instance Eq ServantError where
InvalidContentTypeHeader {} == _ = False InvalidContentTypeHeader {} == _ = False
ConnectionError {} == _ = False ConnectionError {} == _ = False
instance Exception ServantError instance Exception ClientError
-- | Note: an exception in 'ConnectionError' might not be evaluated fully, -- | Note: an exception in 'ConnectionError' might not be evaluated fully,
-- We only 'rnf' its 'show'ed value. -- We only 'rnf' its 'show'ed value.
instance NFData ServantError where instance NFData ClientError where
rnf (FailureResponse req res) = rnf req `seq` rnf res rnf (FailureResponse req res) = rnf req `seq` rnf res
rnf (DecodeFailure err res) = rnf err `seq` rnf res rnf (DecodeFailure err res) = rnf err `seq` rnf res
rnf (UnsupportedContentType mt' res) = mediaTypeRnf mt' `seq` rnf res rnf (UnsupportedContentType mt' res) = mediaTypeRnf mt' `seq` rnf res

View file

@ -254,7 +254,7 @@ instance {-# OVERLAPPING #-}
, requestAccept = fromList $ toList accept , requestAccept = fromList $ toList accept
} }
case mimeUnrender (Proxy :: Proxy ct) $ responseBody response of case mimeUnrender (Proxy :: Proxy ct) $ responseBody response of
Left err -> throwServantError $ DecodeFailure (pack err) response Left err -> throwClientError $ DecodeFailure (pack err) response
Right val -> return $ Headers Right val -> return $ Headers
{ getResponse = val { getResponse = val
, getHeadersHList = buildHeadersTo . toList $ responseHeaders response , getHeadersHList = buildHeadersTo . toList $ responseHeaders response
@ -662,7 +662,7 @@ checkContentTypeHeader response =
case lookup "Content-Type" $ toList $ responseHeaders response of case lookup "Content-Type" $ toList $ responseHeaders response of
Nothing -> return $ "application"//"octet-stream" Nothing -> return $ "application"//"octet-stream"
Just t -> case parseAccept t of Just t -> case parseAccept t of
Nothing -> throwServantError $ InvalidContentTypeHeader response Nothing -> throwClientError $ InvalidContentTypeHeader response
Just t' -> return t' Just t' -> return t'
decodedAs :: forall ct a m. (MimeUnrender ct a, RunClient m) decodedAs :: forall ct a m. (MimeUnrender ct a, RunClient m)
@ -670,9 +670,9 @@ decodedAs :: forall ct a m. (MimeUnrender ct a, RunClient m)
decodedAs response ct = do decodedAs response ct = do
responseContentType <- checkContentTypeHeader response responseContentType <- checkContentTypeHeader response
unless (any (matches responseContentType) accept) $ unless (any (matches responseContentType) accept) $
throwServantError $ UnsupportedContentType responseContentType response throwClientError $ UnsupportedContentType responseContentType response
case mimeUnrender ct $ responseBody response of case mimeUnrender ct $ responseBody response of
Left err -> throwServantError $ DecodeFailure (T.pack err) response Left err -> throwClientError $ DecodeFailure (T.pack err) response
Right val -> return val Right val -> return val
where where
accept = toList $ contentTypes ct accept = toList $ contentTypes ct

View file

@ -12,7 +12,7 @@ module Servant.Client.Core.Reexport
, ResponseF(..) , ResponseF(..)
-- * Data types -- * Data types
, ServantError(..) , ClientError(..)
, EmptyClient(..) , EmptyClient(..)
-- * BaseUrl -- * BaseUrl

View file

@ -24,7 +24,7 @@ import Servant.Client.Core.Response
class Monad m => RunClient m where class Monad m => RunClient m where
-- | How to make a request. -- | How to make a request.
runRequest :: Request -> m Response runRequest :: Request -> m Response
throwServantError :: ServantError -> m a throwClientError :: ClientError -> m a
class RunClient m => RunStreamingClient m where class RunClient m => RunStreamingClient m where
withStreamingRequest :: Request -> (StreamingResponse -> IO a) -> m a withStreamingRequest :: Request -> (StreamingResponse -> IO a) -> m a
@ -38,9 +38,9 @@ class RunClient m => RunStreamingClient m where
-- Compare to 'RunClient'. -- Compare to 'RunClient'.
data ClientF a data ClientF a
= RunRequest Request (Response -> a) = RunRequest Request (Response -> a)
| Throw ServantError | Throw ClientError
deriving (Functor) deriving (Functor)
instance ClientF ~ f => RunClient (Free f) where instance ClientF ~ f => RunClient (Free f) where
runRequest req = liftF (RunRequest req id) runRequest req = liftF (RunRequest req id)
throwServantError = liftF . Throw throwClientError = liftF . Throw

View file

@ -94,16 +94,16 @@ client api = api `clientIn` (Proxy :: Proxy ClientM)
-- --
-- NOTE: Does not support constant space streaming of the request body! -- NOTE: Does not support constant space streaming of the request body!
newtype ClientM a = ClientM newtype ClientM a = ClientM
{ runClientM' :: ReaderT ClientEnv (ExceptT ServantError IO) a } { runClientM' :: ReaderT ClientEnv (ExceptT ClientError IO) a }
deriving ( Functor, Applicative, Monad, MonadIO, Generic deriving ( Functor, Applicative, Monad, MonadIO, Generic
, MonadReader ClientEnv, MonadError ServantError, MonadThrow , MonadReader ClientEnv, MonadError ClientError, MonadThrow
, MonadCatch) , MonadCatch)
instance MonadBase IO ClientM where instance MonadBase IO ClientM where
liftBase = ClientM . liftBase liftBase = ClientM . liftBase
instance MonadBaseControl IO ClientM where instance MonadBaseControl IO ClientM where
type StM ClientM a = Either ServantError a type StM ClientM a = Either ClientError a
liftBaseWith f = ClientM (liftBaseWith (\g -> f (g . runClientM'))) liftBaseWith f = ClientM (liftBaseWith (\g -> f (g . runClientM')))
@ -121,12 +121,12 @@ instance Exception StreamingNotSupportedException where
instance RunClient ClientM where instance RunClient ClientM where
runRequest = performRequest runRequest = performRequest
throwServantError = throwError throwClientError = throwError
runClientMOrigin :: ClientM a -> ClientEnv -> IO (Either ServantError a) runClientMOrigin :: ClientM a -> ClientEnv -> IO (Either ClientError a)
runClientMOrigin cm env = runExceptT $ flip runReaderT env $ runClientM' cm runClientMOrigin cm env = runExceptT $ flip runReaderT env $ runClientM' cm
runClientM :: ClientM a -> IO (Either ServantError a) runClientM :: ClientM a -> IO (Either ClientError a)
runClientM m = do runClientM m = do
curLoc <- getWindowLocation curLoc <- getWindowLocation
@ -298,7 +298,7 @@ foreign import javascript unsafe "$3.slice($1, $1 + $2)"
-- * inspecting the xhr response -- * inspecting the xhr response
-- This function is only supposed to handle 'ConnectionError's. Other -- This function is only supposed to handle 'ConnectionError's. Other
-- 'ServantError's are created in Servant.Client.Req. -- 'ClientError's are created in Servant.Client.Req.
toResponse :: JSXMLHttpRequest -> ClientM Response toResponse :: JSXMLHttpRequest -> ClientM Response
toResponse xhr = do toResponse xhr = do
status <- liftIO $ getStatus xhr status <- liftIO $ getStatus xhr

View file

@ -120,16 +120,16 @@ hoistClient = hoistClientMonad (Proxy :: Proxy ClientM)
-- | @ClientM@ is the monad in which client functions run. Contains the -- | @ClientM@ is the monad in which client functions run. Contains the
-- 'Client.Manager' and 'BaseUrl' used for requests in the reader environment. -- 'Client.Manager' and 'BaseUrl' used for requests in the reader environment.
newtype ClientM a = ClientM newtype ClientM a = ClientM
{ unClientM :: ReaderT ClientEnv (ExceptT ServantError IO) a } { unClientM :: ReaderT ClientEnv (ExceptT ClientError IO) a }
deriving ( Functor, Applicative, Monad, MonadIO, Generic deriving ( Functor, Applicative, Monad, MonadIO, Generic
, MonadReader ClientEnv, MonadError ServantError, MonadThrow , MonadReader ClientEnv, MonadError ClientError, MonadThrow
, MonadCatch) , MonadCatch)
instance MonadBase IO ClientM where instance MonadBase IO ClientM where
liftBase = ClientM . liftBase liftBase = ClientM . liftBase
instance MonadBaseControl IO ClientM where instance MonadBaseControl IO ClientM where
type StM ClientM a = Either ServantError a type StM ClientM a = Either ClientError a
liftBaseWith f = ClientM (liftBaseWith (\g -> f (g . unClientM))) liftBaseWith f = ClientM (liftBaseWith (\g -> f (g . unClientM)))
@ -141,9 +141,9 @@ instance Alt ClientM where
instance RunClient ClientM where instance RunClient ClientM where
runRequest = performRequest runRequest = performRequest
throwServantError = throwError throwClientError = throwError
runClientM :: ClientM a -> ClientEnv -> IO (Either ServantError a) runClientM :: ClientM a -> ClientEnv -> IO (Either ClientError a)
runClientM cm env = runExceptT $ flip runReaderT env $ unClientM cm runClientM cm env = runExceptT $ flip runReaderT env $ unClientM cm
performRequest :: Request -> ClientM Response performRequest :: Request -> ClientM Response
@ -197,7 +197,7 @@ performRequest req = do
fReq = Client.hrFinalRequest responses fReq = Client.hrFinalRequest responses
fRes = Client.hrFinalResponse responses fRes = Client.hrFinalResponse responses
mkFailureResponse :: BaseUrl -> Request -> ResponseF BSL.ByteString -> ServantError mkFailureResponse :: BaseUrl -> Request -> ResponseF BSL.ByteString -> ClientError
mkFailureResponse burl request = mkFailureResponse burl request =
FailureResponse (bimap (const ()) f request) FailureResponse (bimap (const ()) f request)
where where
@ -270,7 +270,7 @@ requestToClientRequest burl r = Client.defaultRequest
Http -> False Http -> False
Https -> True Https -> True
catchConnectionError :: IO a -> IO (Either ServantError a) catchConnectionError :: IO a -> IO (Either ClientError a)
catchConnectionError action = catchConnectionError action =
catch (Right <$> action) $ \e -> catch (Right <$> action) $ \e ->
pure . Left . ConnectionError $ SomeException (e :: Client.HttpException) pure . Left . ConnectionError $ SomeException (e :: Client.HttpException)

View file

@ -100,9 +100,9 @@ hoistClient = hoistClientMonad (Proxy :: Proxy ClientM)
-- | @ClientM@ is the monad in which client functions run. Contains the -- | @ClientM@ is the monad in which client functions run. Contains the
-- 'Client.Manager' and 'BaseUrl' used for requests in the reader environment. -- 'Client.Manager' and 'BaseUrl' used for requests in the reader environment.
newtype ClientM a = ClientM newtype ClientM a = ClientM
{ unClientM :: ReaderT ClientEnv (ExceptT ServantError (Codensity IO)) a } { unClientM :: ReaderT ClientEnv (ExceptT ClientError (Codensity IO)) a }
deriving ( Functor, Applicative, Monad, MonadIO, Generic deriving ( Functor, Applicative, Monad, MonadIO, Generic
, MonadReader ClientEnv, MonadError ServantError) , MonadReader ClientEnv, MonadError ClientError)
instance MonadBase IO ClientM where instance MonadBase IO ClientM where
liftBase = ClientM . liftIO liftBase = ClientM . liftIO
@ -113,12 +113,12 @@ instance Alt ClientM where
instance RunClient ClientM where instance RunClient ClientM where
runRequest = performRequest runRequest = performRequest
throwServantError = throwError throwClientError = throwError
instance RunStreamingClient ClientM where instance RunStreamingClient ClientM where
withStreamingRequest = performWithStreamingRequest withStreamingRequest = performWithStreamingRequest
withClientM :: ClientM a -> ClientEnv -> (Either ServantError a -> IO b) -> IO b withClientM :: ClientM a -> ClientEnv -> (Either ClientError a -> IO b) -> IO b
withClientM cm env k = withClientM cm env k =
let Codensity f = runExceptT $ flip runReaderT env $ unClientM cm let Codensity f = runExceptT $ flip runReaderT env $ unClientM cm
in f k in f k
@ -133,7 +133,7 @@ withClientM cm env k =
-- /Note:/ we 'force' the result, so the likehood of accidentally leaking a -- /Note:/ we 'force' the result, so the likehood of accidentally leaking a
-- connection is smaller. Use with care. -- connection is smaller. Use with care.
-- --
runClientM :: NFData a => ClientM a -> ClientEnv -> IO (Either ServantError a) runClientM :: NFData a => ClientM a -> ClientEnv -> IO (Either ClientError a)
runClientM cm env = withClientM cm env (evaluate . force) runClientM cm env = withClientM cm env (evaluate . force)
performRequest :: Request -> ClientM Response performRequest :: Request -> ClientM Response

View file

@ -184,8 +184,8 @@ server = serve api (
:<|> return :<|> return
:<|> (\ name -> case name of :<|> (\ name -> case name of
Just "alice" -> return alice Just "alice" -> return alice
Just n -> throwError $ ServantErr 400 (n ++ " not found") "" [] Just n -> throwError $ ServerError 400 (n ++ " not found") "" []
Nothing -> throwError $ ServantErr 400 "missing parameter" "" []) Nothing -> throwError $ ServerError 400 "missing parameter" "" [])
:<|> (\ names -> return (zipWith Person names [0..])) :<|> (\ names -> return (zipWith Person names [0..]))
:<|> return :<|> return
:<|> (Tagged $ \ _request respond -> respond $ Wai.responseLBS HTTP.ok200 [] "rawSuccess") :<|> (Tagged $ \ _request respond -> respond $ Wai.responseLBS HTTP.ok200 [] "rawSuccess")
@ -260,7 +260,7 @@ genAuthServer = serveWithContext genAuthAPI genAuthServerContext (const (return
manager' :: C.Manager manager' :: C.Manager
manager' = unsafePerformIO $ C.newManager C.defaultManagerSettings manager' = unsafePerformIO $ C.newManager C.defaultManagerSettings
runClient :: ClientM a -> BaseUrl -> IO (Either ServantError a) runClient :: ClientM a -> BaseUrl -> IO (Either ClientError a)
runClient x baseUrl' = runClientM x (mkClientEnv manager' baseUrl') runClient x baseUrl' = runClientM x (mkClientEnv manager' baseUrl')
sucessSpec :: Spec sucessSpec :: Spec
@ -352,7 +352,7 @@ sucessSpec = beforeAll (startWaiApp server) $ afterAll endWaiApp $ do
wrappedApiSpec :: Spec wrappedApiSpec :: Spec
wrappedApiSpec = describe "error status codes" $ do wrappedApiSpec = describe "error status codes" $ do
let serveW api = serve api $ throwError $ ServantErr 500 "error message" "" [] let serveW api = serve api $ throwError $ ServerError 500 "error message" "" []
context "are correctly handled by the client" $ context "are correctly handled by the client" $
let test :: (WrappedApi, String) -> Spec let test :: (WrappedApi, String) -> Spec
test (WrappedApi api, desc) = test (WrappedApi api, desc) =
@ -475,7 +475,7 @@ connectionErrorAPI :: Proxy ConnectionErrorAPI
connectionErrorAPI = Proxy connectionErrorAPI = Proxy
connectionErrorSpec :: Spec connectionErrorSpec :: Spec
connectionErrorSpec = describe "Servant.Client.ServantError" $ connectionErrorSpec = describe "Servant.Client.ClientError" $
it "correctly catches ConnectionErrors when the HTTP request can't go through" $ do it "correctly catches ConnectionErrors when the HTTP request can't go through" $ do
let getInt = client connectionErrorAPI let getInt = client connectionErrorAPI
let baseUrl' = BaseUrl Http "example.invalid" 80 "" let baseUrl' = BaseUrl Http "example.invalid" 80 ""

View file

@ -112,7 +112,7 @@ powerOfTwo = (2 ^)
manager' :: C.Manager manager' :: C.Manager
manager' = unsafePerformIO $ C.newManager C.defaultManagerSettings manager' = unsafePerformIO $ C.newManager C.defaultManagerSettings
withClient :: ClientM a -> BaseUrl -> (Either ServantError a -> IO r) -> IO r withClient :: ClientM a -> BaseUrl -> (Either ClientError a -> IO r) -> IO r
withClient x baseUrl' = withClientM x (mkClientEnv manager' baseUrl') withClient x baseUrl' = withClientM x (mkClientEnv manager' baseUrl')
testRunSourceIO :: SourceIO a testRunSourceIO :: SourceIO a

View file

@ -123,9 +123,9 @@ hoistClient = hoistClientMonad (Proxy :: Proxy ClientM)
-- | @ClientM@ is the monad in which client functions run. Contains the -- | @ClientM@ is the monad in which client functions run. Contains the
-- 'Client.Manager' and 'BaseUrl' used for requests in the reader environment. -- 'Client.Manager' and 'BaseUrl' used for requests in the reader environment.
newtype ClientM a = ClientM newtype ClientM a = ClientM
{ unClientM :: ReaderT ClientEnv (ExceptT ServantError (Codensity IO)) a } { unClientM :: ReaderT ClientEnv (ExceptT ClientError (Codensity IO)) a }
deriving ( Functor, Applicative, Monad, MonadIO, Generic deriving ( Functor, Applicative, Monad, MonadIO, Generic
, MonadReader ClientEnv, MonadError ServantError) , MonadReader ClientEnv, MonadError ClientError)
instance MonadBase IO ClientM where instance MonadBase IO ClientM where
liftBase = ClientM . liftIO liftBase = ClientM . liftIO
@ -136,15 +136,15 @@ instance Alt ClientM where
instance RunClient ClientM where instance RunClient ClientM where
runRequest = performRequest runRequest = performRequest
throwServantError = throwError throwClientError = throwError
instance RunStreamingClient ClientM where instance RunStreamingClient ClientM where
withStreamingRequest = performWithStreamingRequest withStreamingRequest = performWithStreamingRequest
runClientM :: NFData a => ClientM a -> ClientEnv -> IO (Either ServantError a) runClientM :: NFData a => ClientM a -> ClientEnv -> IO (Either ClientError a)
runClientM cm env = withClientM cm env (evaluate . force) runClientM cm env = withClientM cm env (evaluate . force)
withClientM :: ClientM a -> ClientEnv -> (Either ServantError a -> IO b) -> IO b withClientM :: ClientM a -> ClientEnv -> (Either ClientError a -> IO b) -> IO b
withClientM cm env k = withClientM cm env k =
let Codensity f = runExceptT $ flip runReaderT env $ unClientM cm let Codensity f = runExceptT $ flip runReaderT env $ unClientM cm
in f k in f k
@ -181,7 +181,7 @@ performWithStreamingRequest req k = do
x <- k (clientResponseToResponse res' (fromInputStream body')) x <- k (clientResponseToResponse res' (fromInputStream body'))
k1 x k1 x
mkFailureResponse :: BaseUrl -> Request -> ResponseF BSL.ByteString -> ServantError mkFailureResponse :: BaseUrl -> Request -> ResponseF BSL.ByteString -> ClientError
mkFailureResponse burl request = mkFailureResponse burl request =
FailureResponse (bimap (const ()) f request) FailureResponse (bimap (const ()) f request)
where where
@ -233,7 +233,7 @@ requestToClientRequest burl r = (request, body)
Nothing -> (Client.emptyBody, Nothing) Nothing -> (Client.emptyBody, Nothing)
Just (body', typ) -> (convertBody body', Just (hContentType, renderHeader typ)) Just (body', typ) -> (convertBody body', Just (hContentType, renderHeader typ))
catchConnectionError :: IO a -> IO (Either ServantError a) catchConnectionError :: IO a -> IO (Either ClientError a)
catchConnectionError action = catchConnectionError action =
catch (Right <$> action) $ \e -> catch (Right <$> action) $ \e ->
pure . Left . ConnectionError $ SomeException (e :: IOException) pure . Left . ConnectionError $ SomeException (e :: IOException)

View file

@ -182,8 +182,8 @@ server = serve api (
:<|> return :<|> return
:<|> (\ name -> case name of :<|> (\ name -> case name of
Just "alice" -> return alice Just "alice" -> return alice
Just n -> throwError $ ServantErr 400 (n ++ " not found") "" [] Just n -> throwError $ ServerError 400 (n ++ " not found") "" []
Nothing -> throwError $ ServantErr 400 "missing parameter" "" []) Nothing -> throwError $ ServerError 400 "missing parameter" "" [])
:<|> (\ names -> return (zipWith Person names [0..])) :<|> (\ names -> return (zipWith Person names [0..]))
:<|> return :<|> return
:<|> (Tagged $ \ _request respond -> respond $ Wai.responseLBS HTTP.ok200 [] "rawSuccess") :<|> (Tagged $ \ _request respond -> respond $ Wai.responseLBS HTTP.ok200 [] "rawSuccess")
@ -254,10 +254,10 @@ genAuthServerContext = genAuthHandler :. EmptyContext
genAuthServer :: Application genAuthServer :: Application
genAuthServer = serveWithContext genAuthAPI genAuthServerContext (const (return alice)) genAuthServer = serveWithContext genAuthAPI genAuthServerContext (const (return alice))
runClient :: NFData a => ClientM a -> BaseUrl -> IO (Either ServantError a) runClient :: NFData a => ClientM a -> BaseUrl -> IO (Either ClientError a)
runClient x burl = withClientEnvIO burl (runClientM x) runClient x burl = withClientEnvIO burl (runClientM x)
runClientUnsafe :: ClientM a -> BaseUrl -> IO (Either ServantError a) runClientUnsafe :: ClientM a -> BaseUrl -> IO (Either ClientError a)
runClientUnsafe x burl = withClientEnvIO burl (runClientMUnsafe x) runClientUnsafe x burl = withClientEnvIO burl (runClientMUnsafe x)
where where
runClientMUnsafe x env = withClientM x env return runClientMUnsafe x env = withClientM x env return
@ -343,7 +343,7 @@ sucessSpec = beforeAll (startWaiApp server) $ afterAll endWaiApp $ do
wrappedApiSpec :: Spec wrappedApiSpec :: Spec
wrappedApiSpec = describe "error status codes" $ do wrappedApiSpec = describe "error status codes" $ do
let serveW api = serve api $ throwError $ ServantErr 500 "error message" "" [] let serveW api = serve api $ throwError $ ServerError 500 "error message" "" []
context "are correctly handled by the client" $ context "are correctly handled by the client" $
let test :: (WrappedApi, String) -> Spec let test :: (WrappedApi, String) -> Spec
test (WrappedApi api, desc) = test (WrappedApi api, desc) =
@ -467,7 +467,7 @@ connectionErrorAPI :: Proxy ConnectionErrorAPI
connectionErrorAPI = Proxy connectionErrorAPI = Proxy
connectionErrorSpec :: Spec connectionErrorSpec :: Spec
connectionErrorSpec = describe "Servant.Client.ServantError" $ connectionErrorSpec = describe "Servant.Client.ClientError" $
xit "correctly catches ConnectionErrors when the HTTP request can't go through" $ do xit "correctly catches ConnectionErrors when the HTTP request can't go through" $ do
let getInt = client connectionErrorAPI let getInt = client connectionErrorAPI
let baseUrl' = BaseUrl Http "example.invalid" 80 "" let baseUrl' = BaseUrl Http "example.invalid" 80 ""

View file

@ -84,7 +84,7 @@ server = serve api
powerOfTwo :: Int -> Int powerOfTwo :: Int -> Int
powerOfTwo = (2 ^) powerOfTwo = (2 ^)
withClient :: ClientM a -> BaseUrl -> (Either ServantError a -> IO r) -> IO r withClient :: ClientM a -> BaseUrl -> (Either ClientError a -> IO r) -> IO r
withClient x burl k = do withClient x burl k = do
withClientEnvIO burl $ \env -> withClientM x env k withClientEnvIO burl $ \env -> withClientM x env k

View file

@ -55,7 +55,7 @@ library
Servant.Server.Internal.Handler Servant.Server.Internal.Handler
Servant.Server.Internal.Router Servant.Server.Internal.Router
Servant.Server.Internal.RoutingApplication Servant.Server.Internal.RoutingApplication
Servant.Server.Internal.ServantErr Servant.Server.Internal.ServerError
Servant.Server.StaticFiles Servant.Server.StaticFiles
-- deprecated -- deprecated

View file

@ -49,7 +49,7 @@ module Servant.Server
-- , mkAuthHandler -- , mkAuthHandler
-- * Default error type -- * Default error type
, ServantErr(..) , ServerError(..)
-- ** 3XX -- ** 3XX
, err300 , err300
, err301 , err301

View file

@ -25,7 +25,7 @@ module Servant.Server.Internal
, module Servant.Server.Internal.Handler , module Servant.Server.Internal.Handler
, module Servant.Server.Internal.Router , module Servant.Server.Internal.Router
, module Servant.Server.Internal.RoutingApplication , module Servant.Server.Internal.RoutingApplication
, module Servant.Server.Internal.ServantErr , module Servant.Server.Internal.ServerError
) where ) where
import Control.Monad import Control.Monad
@ -91,7 +91,7 @@ import Servant.Server.Internal.Context
import Servant.Server.Internal.Handler import Servant.Server.Internal.Handler
import Servant.Server.Internal.Router import Servant.Server.Internal.Router
import Servant.Server.Internal.RoutingApplication import Servant.Server.Internal.RoutingApplication
import Servant.Server.Internal.ServantErr import Servant.Server.Internal.ServerError
#ifdef HAS_TYPE_ERROR #ifdef HAS_TYPE_ERROR
import GHC.TypeLits import GHC.TypeLits

View file

@ -27,7 +27,7 @@ import Network.Wai
import Servant.API.BasicAuth import Servant.API.BasicAuth
(BasicAuthData (BasicAuthData)) (BasicAuthData (BasicAuthData))
import Servant.Server.Internal.RoutingApplication import Servant.Server.Internal.RoutingApplication
import Servant.Server.Internal.ServantErr import Servant.Server.Internal.ServerError
-- * Basic Auth -- * Basic Auth

View file

@ -22,13 +22,13 @@ import Control.Monad.Trans.Except
(ExceptT, runExceptT) (ExceptT, runExceptT)
import GHC.Generics import GHC.Generics
(Generic) (Generic)
import Servant.Server.Internal.ServantErr import Servant.Server.Internal.ServerError
(ServantErr) (ServerError)
newtype Handler a = Handler { runHandler' :: ExceptT ServantErr IO a } newtype Handler a = Handler { runHandler' :: ExceptT ServerError IO a }
deriving deriving
( Functor, Applicative, Monad, MonadIO, Generic ( Functor, Applicative, Monad, MonadIO, Generic
, MonadError ServantErr , MonadError ServerError
, MonadThrow, MonadCatch, MonadMask , MonadThrow, MonadCatch, MonadMask
) )
@ -36,7 +36,7 @@ instance MonadBase IO Handler where
liftBase = Handler . liftBase liftBase = Handler . liftBase
instance MonadBaseControl IO Handler where instance MonadBaseControl IO Handler where
type StM Handler a = Either ServantErr a type StM Handler a = Either ServerError a
-- liftBaseWith :: (RunInBase Handler IO -> IO a) -> Handler a -- liftBaseWith :: (RunInBase Handler IO -> IO a) -> Handler a
liftBaseWith f = Handler (liftBaseWith (\g -> f (g . runHandler'))) liftBaseWith f = Handler (liftBaseWith (\g -> f (g . runHandler')))
@ -44,5 +44,5 @@ instance MonadBaseControl IO Handler where
-- restoreM :: StM Handler a -> Handler a -- restoreM :: StM Handler a -> Handler a
restoreM st = Handler (restoreM st) restoreM st = Handler (restoreM st)
runHandler :: Handler a -> IO (Either ServantErr a) runHandler :: Handler a -> IO (Either ServerError a)
runHandler = runExceptT . runHandler' runHandler = runExceptT . runHandler'

View file

@ -18,7 +18,7 @@ import qualified Data.Text as T
import Network.Wai import Network.Wai
(Response, pathInfo) (Response, pathInfo)
import Servant.Server.Internal.RoutingApplication import Servant.Server.Internal.RoutingApplication
import Servant.Server.Internal.ServantErr import Servant.Server.Internal.ServerError
type Router env = Router' env RoutingApplication type Router env = Router' env RoutingApplication

View file

@ -31,7 +31,7 @@ import Network.Wai
import Prelude () import Prelude ()
import Prelude.Compat import Prelude.Compat
import Servant.Server.Internal.Handler import Servant.Server.Internal.Handler
import Servant.Server.Internal.ServantErr import Servant.Server.Internal.ServerError
type RoutingApplication = type RoutingApplication =
Request -- ^ the request, the field 'pathInfo' may be modified by url routing Request -- ^ the request, the field 'pathInfo' may be modified by url routing
@ -39,9 +39,9 @@ type RoutingApplication =
-- | The result of matching against a path in the route tree. -- | The result of matching against a path in the route tree.
data RouteResult a = data RouteResult a =
Fail ServantErr -- ^ Keep trying other paths. The @ServantErr@ Fail ServerError -- ^ Keep trying other paths. The @ServantErr@
-- should only be 404, 405 or 406. -- should only be 404, 405 or 406.
| FailFatal !ServantErr -- ^ Don't try other paths. | FailFatal !ServerError -- ^ Don't try other paths.
| Route !a | Route !a
deriving (Eq, Show, Read, Functor) deriving (Eq, Show, Read, Functor)
@ -97,8 +97,8 @@ toApplication :: RoutingApplication -> Application
toApplication ra request respond = ra request routingRespond toApplication ra request respond = ra request routingRespond
where where
routingRespond :: RouteResult Response -> IO ResponseReceived routingRespond :: RouteResult Response -> IO ResponseReceived
routingRespond (Fail err) = respond $ responseServantErr err routingRespond (Fail err) = respond $ responseServerError err
routingRespond (FailFatal err) = respond $ responseServantErr err routingRespond (FailFatal err) = respond $ responseServerError err
routingRespond (Route v) = respond v routingRespond (Route v) = respond v
-- | A 'Delayed' is a representation of a handler with scheduled -- | A 'Delayed' is a representation of a handler with scheduled
@ -235,11 +235,11 @@ emptyDelayed result =
r = return () r = return ()
-- | Fail with the option to recover. -- | Fail with the option to recover.
delayedFail :: ServantErr -> DelayedIO a delayedFail :: ServerError -> DelayedIO a
delayedFail err = liftRouteResult $ Fail err delayedFail err = liftRouteResult $ Fail err
-- | Fail fatally, i.e., without any option to recover. -- | Fail fatally, i.e., without any option to recover.
delayedFailFatal :: ServantErr -> DelayedIO a delayedFailFatal :: ServerError -> DelayedIO a
delayedFailFatal err = liftRouteResult $ FailFatal err delayedFailFatal err = liftRouteResult $ FailFatal err
-- | Gain access to the incoming request. -- | Gain access to the incoming request.
@ -388,7 +388,7 @@ runAction action env req respond k = runResourceT $
go (Route a) = liftIO $ do go (Route a) = liftIO $ do
e <- runHandler a e <- runHandler a
case e of case e of
Left err -> return . Route $ responseServantErr err Left err -> return . Route $ responseServerError err
Right x -> return $! k x Right x -> return $! k x
{- Note [Existential Record Update] {- Note [Existential Record Update]

View file

@ -1,7 +1,7 @@
{-# LANGUAGE DeriveDataTypeable #-} {-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE OverloadedStrings #-} {-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-} {-# LANGUAGE RecordWildCards #-}
module Servant.Server.Internal.ServantErr where module Servant.Server.Internal.ServerError where
import Control.Exception import Control.Exception
(Exception) (Exception)
@ -13,16 +13,18 @@ import qualified Network.HTTP.Types as HTTP
import Network.Wai import Network.Wai
(Response, responseLBS) (Response, responseLBS)
data ServantErr = ServantErr { errHTTPCode :: Int data ServerError = ServerError
, errReasonPhrase :: String { errHTTPCode :: Int
, errBody :: LBS.ByteString , errReasonPhrase :: String
, errHeaders :: [HTTP.Header] , errBody :: LBS.ByteString
} deriving (Show, Eq, Read, Typeable) , errHeaders :: [HTTP.Header]
}
deriving (Show, Eq, Read, Typeable)
instance Exception ServantErr instance Exception ServerError
responseServantErr :: ServantErr -> Response responseServerError :: ServerError -> Response
responseServantErr ServantErr{..} = responseLBS status errHeaders errBody responseServerError ServerError{..} = responseLBS status errHeaders errBody
where where
status = HTTP.mkStatus errHTTPCode (BS.pack errReasonPhrase) status = HTTP.mkStatus errHTTPCode (BS.pack errReasonPhrase)
@ -33,8 +35,8 @@ responseServantErr ServantErr{..} = responseLBS status errHeaders errBody
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err300 { errBody = "I can't choose." } -- > failingHandler = throwError $ err300 { errBody = "I can't choose." }
-- --
err300 :: ServantErr err300 :: ServerError
err300 = ServantErr { errHTTPCode = 300 err300 = ServerError { errHTTPCode = 300
, errReasonPhrase = "Multiple Choices" , errReasonPhrase = "Multiple Choices"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -47,8 +49,8 @@ err300 = ServantErr { errHTTPCode = 300
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError err301 -- > failingHandler = throwError err301
-- --
err301 :: ServantErr err301 :: ServerError
err301 = ServantErr { errHTTPCode = 301 err301 = ServerError { errHTTPCode = 301
, errReasonPhrase = "Moved Permanently" , errReasonPhrase = "Moved Permanently"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -61,8 +63,8 @@ err301 = ServantErr { errHTTPCode = 301
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError err302 -- > failingHandler = throwError err302
-- --
err302 :: ServantErr err302 :: ServerError
err302 = ServantErr { errHTTPCode = 302 err302 = ServerError { errHTTPCode = 302
, errReasonPhrase = "Found" , errReasonPhrase = "Found"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -75,8 +77,8 @@ err302 = ServantErr { errHTTPCode = 302
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError err303 -- > failingHandler = throwError err303
-- --
err303 :: ServantErr err303 :: ServerError
err303 = ServantErr { errHTTPCode = 303 err303 = ServerError { errHTTPCode = 303
, errReasonPhrase = "See Other" , errReasonPhrase = "See Other"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -89,8 +91,8 @@ err303 = ServantErr { errHTTPCode = 303
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError err304 -- > failingHandler = throwError err304
-- --
err304 :: ServantErr err304 :: ServerError
err304 = ServantErr { errHTTPCode = 304 err304 = ServerError { errHTTPCode = 304
, errReasonPhrase = "Not Modified" , errReasonPhrase = "Not Modified"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -103,8 +105,8 @@ err304 = ServantErr { errHTTPCode = 304
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError err305 -- > failingHandler = throwError err305
-- --
err305 :: ServantErr err305 :: ServerError
err305 = ServantErr { errHTTPCode = 305 err305 = ServerError { errHTTPCode = 305
, errReasonPhrase = "Use Proxy" , errReasonPhrase = "Use Proxy"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -117,8 +119,8 @@ err305 = ServantErr { errHTTPCode = 305
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError err307 -- > failingHandler = throwError err307
-- --
err307 :: ServantErr err307 :: ServerError
err307 = ServantErr { errHTTPCode = 307 err307 = ServerError { errHTTPCode = 307
, errReasonPhrase = "Temporary Redirect" , errReasonPhrase = "Temporary Redirect"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -131,8 +133,8 @@ err307 = ServantErr { errHTTPCode = 307
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err400 { errBody = "Your request makes no sense to me." } -- > failingHandler = throwError $ err400 { errBody = "Your request makes no sense to me." }
-- --
err400 :: ServantErr err400 :: ServerError
err400 = ServantErr { errHTTPCode = 400 err400 = ServerError { errHTTPCode = 400
, errReasonPhrase = "Bad Request" , errReasonPhrase = "Bad Request"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -145,8 +147,8 @@ err400 = ServantErr { errHTTPCode = 400
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err401 { errBody = "Your credentials are invalid." } -- > failingHandler = throwError $ err401 { errBody = "Your credentials are invalid." }
-- --
err401 :: ServantErr err401 :: ServerError
err401 = ServantErr { errHTTPCode = 401 err401 = ServerError { errHTTPCode = 401
, errReasonPhrase = "Unauthorized" , errReasonPhrase = "Unauthorized"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -159,8 +161,8 @@ err401 = ServantErr { errHTTPCode = 401
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err402 { errBody = "You have 0 credits. Please give me $$$." } -- > failingHandler = throwError $ err402 { errBody = "You have 0 credits. Please give me $$$." }
-- --
err402 :: ServantErr err402 :: ServerError
err402 = ServantErr { errHTTPCode = 402 err402 = ServerError { errHTTPCode = 402
, errReasonPhrase = "Payment Required" , errReasonPhrase = "Payment Required"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -173,8 +175,8 @@ err402 = ServantErr { errHTTPCode = 402
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err403 { errBody = "Please login first." } -- > failingHandler = throwError $ err403 { errBody = "Please login first." }
-- --
err403 :: ServantErr err403 :: ServerError
err403 = ServantErr { errHTTPCode = 403 err403 = ServerError { errHTTPCode = 403
, errReasonPhrase = "Forbidden" , errReasonPhrase = "Forbidden"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -187,8 +189,8 @@ err403 = ServantErr { errHTTPCode = 403
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err404 { errBody = "(╯°□°)╯︵ ┻━┻)." } -- > failingHandler = throwError $ err404 { errBody = "(╯°□°)╯︵ ┻━┻)." }
-- --
err404 :: ServantErr err404 :: ServerError
err404 = ServantErr { errHTTPCode = 404 err404 = ServerError { errHTTPCode = 404
, errReasonPhrase = "Not Found" , errReasonPhrase = "Not Found"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -201,8 +203,8 @@ err404 = ServantErr { errHTTPCode = 404
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err405 { errBody = "Your account privileges does not allow for this. Please pay $$$." } -- > failingHandler = throwError $ err405 { errBody = "Your account privileges does not allow for this. Please pay $$$." }
-- --
err405 :: ServantErr err405 :: ServerError
err405 = ServantErr { errHTTPCode = 405 err405 = ServerError { errHTTPCode = 405
, errReasonPhrase = "Method Not Allowed" , errReasonPhrase = "Method Not Allowed"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -215,8 +217,8 @@ err405 = ServantErr { errHTTPCode = 405
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError err406 -- > failingHandler = throwError err406
-- --
err406 :: ServantErr err406 :: ServerError
err406 = ServantErr { errHTTPCode = 406 err406 = ServerError { errHTTPCode = 406
, errReasonPhrase = "Not Acceptable" , errReasonPhrase = "Not Acceptable"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -229,8 +231,8 @@ err406 = ServantErr { errHTTPCode = 406
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError err407 -- > failingHandler = throwError err407
-- --
err407 :: ServantErr err407 :: ServerError
err407 = ServantErr { errHTTPCode = 407 err407 = ServerError { errHTTPCode = 407
, errReasonPhrase = "Proxy Authentication Required" , errReasonPhrase = "Proxy Authentication Required"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -243,8 +245,8 @@ err407 = ServantErr { errHTTPCode = 407
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err409 { errBody = "Transaction conflicts with 59879cb56c7c159231eeacdd503d755f7e835f74" } -- > failingHandler = throwError $ err409 { errBody = "Transaction conflicts with 59879cb56c7c159231eeacdd503d755f7e835f74" }
-- --
err409 :: ServantErr err409 :: ServerError
err409 = ServantErr { errHTTPCode = 409 err409 = ServerError { errHTTPCode = 409
, errReasonPhrase = "Conflict" , errReasonPhrase = "Conflict"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -257,8 +259,8 @@ err409 = ServantErr { errHTTPCode = 409
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err410 { errBody = "I know it was here at some point, but.. I blame bad luck." } -- > failingHandler = throwError $ err410 { errBody = "I know it was here at some point, but.. I blame bad luck." }
-- --
err410 :: ServantErr err410 :: ServerError
err410 = ServantErr { errHTTPCode = 410 err410 = ServerError { errHTTPCode = 410
, errReasonPhrase = "Gone" , errReasonPhrase = "Gone"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -271,8 +273,8 @@ err410 = ServantErr { errHTTPCode = 410
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError err411 -- > failingHandler = throwError err411
-- --
err411 :: ServantErr err411 :: ServerError
err411 = ServantErr { errHTTPCode = 411 err411 = ServerError { errHTTPCode = 411
, errReasonPhrase = "Length Required" , errReasonPhrase = "Length Required"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -285,8 +287,8 @@ err411 = ServantErr { errHTTPCode = 411
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err412 { errBody = "Precondition fail: x < 42 && y > 57" } -- > failingHandler = throwError $ err412 { errBody = "Precondition fail: x < 42 && y > 57" }
-- --
err412 :: ServantErr err412 :: ServerError
err412 = ServantErr { errHTTPCode = 412 err412 = ServerError { errHTTPCode = 412
, errReasonPhrase = "Precondition Failed" , errReasonPhrase = "Precondition Failed"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -299,8 +301,8 @@ err412 = ServantErr { errHTTPCode = 412
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err413 { errBody = "Request exceeded 64k." } -- > failingHandler = throwError $ err413 { errBody = "Request exceeded 64k." }
-- --
err413 :: ServantErr err413 :: ServerError
err413 = ServantErr { errHTTPCode = 413 err413 = ServerError { errHTTPCode = 413
, errReasonPhrase = "Request Entity Too Large" , errReasonPhrase = "Request Entity Too Large"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -313,8 +315,8 @@ err413 = ServantErr { errHTTPCode = 413
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err414 { errBody = "Maximum length is 64." } -- > failingHandler = throwError $ err414 { errBody = "Maximum length is 64." }
-- --
err414 :: ServantErr err414 :: ServerError
err414 = ServantErr { errHTTPCode = 414 err414 = ServerError { errHTTPCode = 414
, errReasonPhrase = "Request-URI Too Large" , errReasonPhrase = "Request-URI Too Large"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -327,8 +329,8 @@ err414 = ServantErr { errHTTPCode = 414
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err415 { errBody = "Supported media types: gif, png" } -- > failingHandler = throwError $ err415 { errBody = "Supported media types: gif, png" }
-- --
err415 :: ServantErr err415 :: ServerError
err415 = ServantErr { errHTTPCode = 415 err415 = ServerError { errHTTPCode = 415
, errReasonPhrase = "Unsupported Media Type" , errReasonPhrase = "Unsupported Media Type"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -341,8 +343,8 @@ err415 = ServantErr { errHTTPCode = 415
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err416 { errBody = "Valid range is [0, 424242]." } -- > failingHandler = throwError $ err416 { errBody = "Valid range is [0, 424242]." }
-- --
err416 :: ServantErr err416 :: ServerError
err416 = ServantErr { errHTTPCode = 416 err416 = ServerError { errHTTPCode = 416
, errReasonPhrase = "Request range not satisfiable" , errReasonPhrase = "Request range not satisfiable"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -355,8 +357,8 @@ err416 = ServantErr { errHTTPCode = 416
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err417 { errBody = "I found a quux in the request. This isn't going to work." } -- > failingHandler = throwError $ err417 { errBody = "I found a quux in the request. This isn't going to work." }
-- --
err417 :: ServantErr err417 :: ServerError
err417 = ServantErr { errHTTPCode = 417 err417 = ServerError { errHTTPCode = 417
, errReasonPhrase = "Expectation Failed" , errReasonPhrase = "Expectation Failed"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -369,8 +371,8 @@ err417 = ServantErr { errHTTPCode = 417
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err418 { errBody = "Apologies, this is not a webserver but a teapot." } -- > failingHandler = throwError $ err418 { errBody = "Apologies, this is not a webserver but a teapot." }
-- --
err418 :: ServantErr err418 :: ServerError
err418 = ServantErr { errHTTPCode = 418 err418 = ServerError { errHTTPCode = 418
, errReasonPhrase = "I'm a teapot" , errReasonPhrase = "I'm a teapot"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -383,8 +385,8 @@ err418 = ServantErr { errHTTPCode = 418
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err422 { errBody = "I understood your request, but can't process it." } -- > failingHandler = throwError $ err422 { errBody = "I understood your request, but can't process it." }
-- --
err422 :: ServantErr err422 :: ServerError
err422 = ServantErr { errHTTPCode = 422 err422 = ServerError { errHTTPCode = 422
, errReasonPhrase = "Unprocessable Entity" , errReasonPhrase = "Unprocessable Entity"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -397,8 +399,8 @@ err422 = ServantErr { errHTTPCode = 422
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err500 { errBody = "Exception in module A.B.C:55. Have a great day!" } -- > failingHandler = throwError $ err500 { errBody = "Exception in module A.B.C:55. Have a great day!" }
-- --
err500 :: ServantErr err500 :: ServerError
err500 = ServantErr { errHTTPCode = 500 err500 = ServerError { errHTTPCode = 500
, errReasonPhrase = "Internal Server Error" , errReasonPhrase = "Internal Server Error"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -411,8 +413,8 @@ err500 = ServantErr { errHTTPCode = 500
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err501 { errBody = "/v1/foo is not supported with quux in the request." } -- > failingHandler = throwError $ err501 { errBody = "/v1/foo is not supported with quux in the request." }
-- --
err501 :: ServantErr err501 :: ServerError
err501 = ServantErr { errHTTPCode = 501 err501 = ServerError { errHTTPCode = 501
, errReasonPhrase = "Not Implemented" , errReasonPhrase = "Not Implemented"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -425,8 +427,8 @@ err501 = ServantErr { errHTTPCode = 501
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err502 { errBody = "Tried gateway foo, bar, and baz. None responded." } -- > failingHandler = throwError $ err502 { errBody = "Tried gateway foo, bar, and baz. None responded." }
-- --
err502 :: ServantErr err502 :: ServerError
err502 = ServantErr { errHTTPCode = 502 err502 = ServerError { errHTTPCode = 502
, errReasonPhrase = "Bad Gateway" , errReasonPhrase = "Bad Gateway"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -439,8 +441,8 @@ err502 = ServantErr { errHTTPCode = 502
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err503 { errBody = "We're rewriting in PHP." } -- > failingHandler = throwError $ err503 { errBody = "We're rewriting in PHP." }
-- --
err503 :: ServantErr err503 :: ServerError
err503 = ServantErr { errHTTPCode = 503 err503 = ServerError { errHTTPCode = 503
, errReasonPhrase = "Service Unavailable" , errReasonPhrase = "Service Unavailable"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -453,8 +455,8 @@ err503 = ServantErr { errHTTPCode = 503
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err504 { errBody = "Backend foobar did not respond in 5 seconds." } -- > failingHandler = throwError $ err504 { errBody = "Backend foobar did not respond in 5 seconds." }
-- --
err504 :: ServantErr err504 :: ServerError
err504 = ServantErr { errHTTPCode = 504 err504 = ServerError { errHTTPCode = 504
, errReasonPhrase = "Gateway Time-out" , errReasonPhrase = "Gateway Time-out"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []
@ -467,8 +469,8 @@ err504 = ServantErr { errHTTPCode = 504
-- > failingHandler :: Handler () -- > failingHandler :: Handler ()
-- > failingHandler = throwError $ err505 { errBody = "I support HTTP/4.0 only." } -- > failingHandler = throwError $ err505 { errBody = "I support HTTP/4.0 only." }
-- --
err505 :: ServantErr err505 :: ServerError
err505 = ServantErr { errHTTPCode = 505 err505 = ServerError { errHTTPCode = 505
, errReasonPhrase = "HTTP Version not supported" , errReasonPhrase = "HTTP Version not supported"
, errBody = "" , errBody = ""
, errHeaders = [] , errHeaders = []