This commit adds support for reactive library types to be returned
directly from controller methods adapting them either to a
ResponseBodyEmitter (streaming) or DeferredResult (non-streaming).
The reactive libraries supported are the ones that can adapted to a
Reactive Streams Publisher through the ReactiveAdapterRegistry.
Issue: SPR-15365
Revise Javadoc on AsyncHandlerMethodReturnValueHandler to clarify its
main purpose is to prioritze custom async return value handlers ahead
of built-in ones. Also replace the interface from built-in handlers
which are prioritized already.
Remove DeferredResultAdapter and ResponseBodyEmitterAdapter --
introduced in 4.3 for custom async return value handling, since for
5.0 we will add built-in support for reactive types and the value of
these contracts becomes very marginal.
Issue: SPR-15365
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
This commit changes the `MockServletContext.getMimeType` method to use
`MediaTypeFactory` instead of JAF. It also adds a `addMimeType(String,
MediaType)` method to customize the mime types returned from said
method.
Issue: SPR-14908
This commit introduces a PathPatternParser which parses request pattern
strings into PathPattern objects which can then be used to fast
match incoming string paths. The parser and matching supports the syntax
as described in SPR-14544. The code is optimized around the common usages
of request patterns and is designed to create very little transient
garbage when matching.
Issue: SPR-14544
Codacy warns us that there are several references to Boolean
constructors in the tests. Direct usage of the Boolean constructor is
discouraged and even deprecated in Java 9 [1]. Boolean constructor use
can easily be replaced with the constant instances.
This commit contains the following changes:
- replace references to Boolean constructors with boolean constants in
JSP tag tests
- update the copyright year where necessary
- BooleanComparatorTests is intentionally left unchanged as it should
also work with the non-constant instances correctly
[1] http://download.java.net/java/jdk9/docs/api/java/lang/Boolean.html#Boolean-boolean-
Issue: SPR-15076
Kotlin JSR 223 support currently requires kotlin-script-util
dependency (jcabi-aether, maven-core and aether-api can be
excluded since they are only used for live import of
dependencies and bring a lot of JARs in the classpath) and a
/META-INF/services/javax.script.ScriptEngineFactory
file specifying the ScriptEngineFactory to use, in that case
org.jetbrains.kotlin.script.jsr223.KotlinJsr223JvmLocalScriptEngineFactory.
Issue: SPR-15059
ServerWebExchange now provides access to "requestParams" as a
MulitValueMap with query parameters and form data combined.
The combined map is then used for the params condition of
@RequestMapping purposes () and also for @RequestParam arguments.
Issue: SPR-15000
When getting the lookup path of a resource, both query params and hashes
should be removed from the request path.
This commit fixes the public path resolution for paths like
`/resources/main.svg#icon-hamburgermenu`.
Issue: SPR-14928
Prior to this commit, `@ExceptionHandler` methods could not be injected
with `RedirectAttributes` arguments. This would make it impossible to
handle an error by redirecting to another view and add flashmap
attributes, to be included in the model when the next view is called.
Here is an example:
```
@ExceptionHandler(MyException.class)
public String handleException(MyException ex, RedirectAttributes
redirectAttributes) {
redirectAttributes.addFlashAttribute("errorMessage",
"This is an error message");
return "redirect:/";
}
```
This commit adds a new `RedirectAttributesMethodArgumentResolver`
instance in the list of pre-configured `HandlerMethodArgumentResolver`
in `ExceptionHandlerExceptionResolver`.
Issue: SPR-14651
In case the filter is also registered to the ERROR dispatcher, the
following happens:
* the filter is executed once for the regular execution
* the filter should be executed a second time when dispatched to error
Since the filter is a `OncePerRequestFilter`, the filter is only
executed once and won't be executed when handling the error.
This can lead to situations like spring-projects/spring-boot#7348
This commit makes this filter a simple `GenericFilterBean`.
Issue: SPR-14891
When resolved through the `GzipResourceResolver`, CSS files can be
resolved as their pre-gzipped variant, if a ".gz" file is present in the
configured resource locations.
Such resources are gzipped and thus should not be transformed by
`CssLinkResourceTransformer`s, since rewriting those would need to
uncompress/transform/recompress. This would lead to poorer performances
than resolving plain resources and delegating compression to the
container.
This commit checks for `GzippedResource` instances in
`CssLinkResourceTransformer` and avoids processing them.
Issue: SPR-14773
