Add support for @GetMapping, @PostMapping etc. introduced in Spring 4.3 in ControllerLinkBuilder

[xak2000]

Now if controller has @GetMapping("/some/path/{id}") then this exception occurs:

java.lang.IllegalArgumentException: 'uriTemplate' must not be null
    at org.springframework.util.Assert.hasText(Assert.java:168) ~[spring-core-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.web.util.UriTemplate.<init>(UriTemplate.java:61) ~[spring-web-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.hateoas.mvc.ControllerLinkBuilderFactory.linkTo(ControllerLinkBuilderFactory.java:134) ~[spring-hateoas-0.20.0.RELEASE.jar:na]
    at org.springframework.hateoas.mvc.ControllerLinkBuilder.linkTo(ControllerLinkBuilder.java:172) ~[spring-hateoas-0.20.0.RELEASE.jar:na]

If I change this mapping to @RequestMapping(path = "/some/path/{id}", method = RequestMethod.GET) then all works fine.

Versions used: spring-boot-starter-hateoas 1.4.0.RC1, spring-hateaos 0.20.0.RELEASE, spring 4.3.1.RELEASE.

[odrotbohm]

Looks like this will require us to upgrade to at least Spring 4.2 as only that version contains the code necessary to lookup merged annotations.

[s5b]

Has there been any progress on this issue?

I've just experienced the same problem with changing my controller method annotation from @RequestMapping(value = "/{id}", method = RequestMethod.GET) which works by including the id in the links, to @GetMapping("/{id}") which breaks the links by not including the id in the links.

I expect that these two annotation should be equivalent for my usage.

Thanks, in advance.

[progosch]

@olivergierke any idea when we have corrected mappings available?

[odrotbohm]

There's gonna be an Ingalls RC1 for downstream Spring Data REST for which we probably want to have a fresh Spring HATEOAS release, too.

I guess the fix is pretty trivial as all we need to adapt is the way we resolve the mappings in AnnotationMappingDiscoverer, i.e. use the new Spring 4.3 API to detect the attributes (AnnotatedElementUtils.findMergedAnnotation(…)). Wouldn't mind to see a PR for this.

[odrotbohm]

Wait, I see there already is one #497.

[progosch]

Thanks.

2016-10-27 14:43 GMT+02:00 Oliver Gierke notifications@github.com:

Wait, I see there already is one #497
#497.

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