With this commit, ServerCodecConfigurer is now exposed as a bean in
order to be provided to DefaultServerWebExchange via
WebHttpHandlerBuilder and HttpWebHandlerAdapter. This allows
DefaultServerWebExchange to get configured codecs for reading form or
multipart requests.
Issue: SPR-14546
This commit changes the handling of 4xx/5xx status codes in the
WebClient to the following simple rule: if there is no way for the user
to get the response status code, then a WebClientException is returned.
If there is a way to get to the status code, then we do not return an
exception.
Issue: SPR-15486
This commit renames `WebClient.ResponseSpec.bodyToEntity` to `toEntity`
and similarly renames `WebClient.ResponseSpec.bodyToEntityList` to
`toEntityList`. In both cases, the `body` prefix was dropped because the
return value contains more than the body.
Issue: SPR-15486
This commit renames the `body(Object)` on ServerResponse to
`syncBody(Object)`. The reason for this is that the original method
name clashed with the `body(Publisher)` method in the Kotlin extension.
The new name nicely reflects the synchronous nature of the method,
making it less appealing than the `Publisher`-based `body` method.
Issue: SPR-15467
This method introduces a new body(Object) to ServerResponse, a shortcut
to body(BodyInserters.fromObject(Object)).
Note that in the implementation of the method, an `instanceof` check is
performed to make sure that the passed argument is not a `Publisher`,
as users should call `body(Publisher, Class)` for sending a reactive
type.
This Publisher-check is also done in the `WebClient`, for the same
reasons.
Issue: SPR-15461
This commit changes the `HandlerStrategies` and `ExchangeStrategies`
builders to use the `CodecConfigurer` for configuring Decoder|Encoder
and HttpMessage[Reader|Writer]. Other classes that use `CodecConfigurer`
have also been changed to reflect the refactoring to interfaces.
This commit also removes the ExchangeStrategies methods that take an
application context, as it was too naive approach to simply look up
every message reader and writer in the context.
Issue: SPR-15415, SPR-15435
This commit changes the `HandlerStrategies` builder to use
`ServerCodecConfigurer` for configuring Decoder|Encoder and
HttpMessage[Reader|Writer]. Note that the configurer is not exposed
directly, but wrapped so that `HandlerStrategies` can keep on returning
`this` for a proper builder pattern.
This commit also removes the HandlerStrategies methods that take an
application context, as it was too naive approach to simply look up
every message reader and writer in the context.
Issue: SPR-15415
- Renamed `defaultCodec` to `defaultCodecs`, and `customCodec` to
`customCodecs`
- Added `@Override` annotations where necessary
- Fixed non-parameterized usage for parameterized types.
This commit makes CodecException handling consistent between functional
and annotation-based APIs. It now returns by default 4xx status code
for decoding error and 5xx for encoding error + print the error reason
in logs without the full stack trace in both variants.
Issue: SPR-15355
The java.util.Optional wrapper should not affect the support for
"request param" arguments with or without the annotation as it
works on the Spring MVC side.
This commit uses the newly introduced
`PathPattern.getPathRemaining(String)` in the functional web framework.
With this change, all path predicates can be used for nested router
functions, so the `pathPrefix` predicate is no longer required and has
been removed.
Issue: SPR-15336
This commit introduces support for the server-side methods on
HttpMessageReader and HttpMessageWriter. It does so by introducing an
Optional ServerHttpRequest in BodyInserter.Context, and an Optional
ServerHttpResponse in BodyExtractor.Context. On the client-side, these
optionals return Optional.empty(); on the server-side, they return the
respective server-side messages.
Issue: SPR-15370
This change allows the functional WebFlux API to support natively
reactive types and also makes it possible for View implementations to
disable async attributes resolution if they want for example take
advantage of stream rendering.
It also makes AbstractView#getModelAttributes() asynchronous.
Issue: SPR-15368
Replace the overloaded "retrieve" methods with a single retrieve() +
ResponseSpec exposing shortcut methods (bodyToMono, bodyToFlux)
mirroring the ClientResponse shortcuts it delegates to.
Unlike exchange() however with retrieve() there is no access to other
parts of ClientResponse so ResponseSpec exposes additional shortcuts
for obtain ResponseEntity<T> or ResponseEntity<List<T>>.
Issue: SPR-15294
This commit makes a change to WebClient in oder to facilitate getting
the response body as a `Mono<Object>` or `Flux<Object>` without having
to deal with `ClientResponse`.
Specifically, this commit:
- Adds `RequestHeaderSpec.retrieve` methods, next to `exchange`, that
return the response body (and not a `ClientResponse`). Two convenience
methods return the response body as `Mono` or `Flux`.
- Adds ClientResponse.toRequestEntity to convert the ClientResponse
into a RequestEntity.
Issue: SPR-15294
The ServerCodecConfigurer is now passed all the way into the
RequestMappingHandlerAdapter which automatically enables the same
defaults even without the Java config and provides extra flexibility
in passing message codec configuration for the future.
This commit makes changes to WebClient and WebTestClient in oder to
limit setting the body according to HTTP method and also to facilitate
providing the request body as Object.
Specifically, this commit:
- Moves methods that operate on the request body to a RequestBodySpec
in both WebClient and WebTestClient, and rename them to `body`.
These methods now just *set* the body, without performing
an exchange (which now requires an explicit exchange call).
- Parameterizes UriSpec in both WebClient and WebTestClient, so that
it returns either a RequestHeadersSpec or a RequestBodySpec.
Issue: SPR-15394
Extract controller method caches including associated code and
discovery of @ControllerAdvice components into a separate, package
private helper class (ControllerMethodResolver).
This commit folds ServerHttpMessage[Reader|Writer] into its parent
HttpMessage[Reader|Writer] with the server methods pre-implemented
by default to be simple pass-through delegates.
Prior to this commit, the `VersionResourceResolver` implementations of
`resolveUrlPathInternal` would delegate to the resolver chain but would
never use the give result if the current request didn't match a
configured version strategy pattern.
This is a problem if the resolver supposed to resolve the resource path
is configured after a `VersionResourceResolver` in the resolver chain;
this means that other resolver never gets to participate in the result
of the chain.
Issue: SPR-15372
Includes a new overloaded ModelAndView constructor with an HttpStatus argument, as well as a HandlerMethodArgumentResolverSupport refactoring (revised checkParameterType signature, actually implementing the HandlerMethodArgumentResolver interface).
Issue: SPR-15199
Follow-up to:
3d68c496f1
StringDecoder can be created in text-only vs "*/*" mode which in turn
allows a more intuitive order of client side decoders, e.g. SSE does
not have to be ahead of StringDecoder.
The commit also explicitly disables String from the supported types in
Jackson2Decoder leaving it to the StringDecoder in "*/*" mode which
comes after. This does not change the current arrangement since the
the StringDecoder ahead having "*/*" picks up JSON content just the
same.
From a broader perspective this change allows any decoder to deal with
String if it wants to after examining the content type be it the SSE
or another, custom decoder. For Jackson there is very little value in
decoding to String which works only if the output contains a single
JSON string but will fail to parse anything else (JSON object/array)
while StringDecoder in "*/*" mode will not fail.
Issue: SPR-15374
CharSequenceEncoder now supports all MIME types, however since encoding
Flux<String> can overlap with other encoders (e.g. SSE) there are now
two ways to create a CharSequenceEncoder -- with support for text/plain
only or with support for any MIME type.
In WebFlux configuration we insert one CharSequenceEncoder for
text/plain (as we have so far) and a second instance with support for
any MIME type at the very end.
Issue: SPR-15374
This commit changes `ServerResponse` and subtypes to use properties
instead of fields during response rendering. This allows for overriding
these methods in a response subclass.
Instead of accepting List<Encoder|Decoder> and then look for the first
to support JSON, always expect a single JSON [Encoder|Decoder] and use
that unconditionally.
When writing use the nested ResolvableType instead of the Class of the
actual value which should better support generics.
Remove the SSE hint and pass "text/event-stream" as the media type
instead to serve as a hint. We are expecting a JSON encoder and using
it unconditionally in any case so this should be good enough.
