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Configurable support for static resource encodings

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The new EncodedResourceResolver is a generalized version of
GzipResourceResolver that can be configured to support different
content codings, by "br" and "gzip".

GzipResourceResolver is now deprecated.

Issue: SPR-16381
This commit is contained in:
Rossen Stoyanchev
2018-05-19 09:01:02 -04:00
parent 3410155875
commit 5207672b3f
18 changed files with 904 additions and 368 deletions
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4
src/docs/asciidoc/web/webflux.adoc
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@@ -2914,6 +2914,10 @@ of resolvers and transformers (e.g. resources on Amazon S3). When serving only l
resources the workaround is to use `ResourceUrlProvider` directly (e.g. through a custom
tag) and block for 0 seconds.
Note that when using both `EncodedResourceResolver` (e.g. for serving gzipped or brotli
encoded resources) and `VersionedResourceResolver`, they must be registered in this order.
That ensures content based versions are always computed reliably based on the unencoded file.
http://www.webjars.org/documentation[WebJars] is also supported via `WebJarsResourceResolver`
and automatically registered when `"org.webjars:webjars-locator"` is present on the
classpath. The resolver can re-write URLs to include the version of the jar and can also

6
src/docs/asciidoc/web/webmvc.adoc
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@@ -4549,12 +4549,16 @@ In XML, the same:
</mvc:resources>
----
You can use `ResourceUrlProvider` to rewrite URLs and apply the full chain of resolvers and
You can then use `ResourceUrlProvider` to rewrite URLs and apply the full chain of resolvers and
transformers -- e.g. to insert versions. The MVC config provides a `ResourceUrlProvider`
bean so it can be injected into others. You can also make the rewrite transparent with the
`ResourceUrlEncodingFilter` for Thymeleaf, JSPs, FreeMarker, and others with URL tags that
rely on `HttpServletResponse#encodeURL`.
Note that when using both `EncodedResourceResolver` (e.g. for serving gzipped or brotli
encoded resources) and `VersionedResourceResolver`, they must be registered in this order.
That ensures content based versions are always computed reliably based on the unencoded file.
http://www.webjars.org/documentation[WebJars] is also supported via `WebJarsResourceResolver`
and automatically registered when `"org.webjars:webjars-locator"` is present on the
classpath. The resolver can re-write URLs to include the version of the jar and can also