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What it says in the title.
I want to serve a root resource that consists only of links to the "lower" resources. It seems that Resource as well as HttpEntity want an object with some content as their type, so how can I serve just Links?
Thanks.
217
The Spring HATEOAS project is a library of APIs that we can use to easily create REST representations that follow the principle of HATEOAS (Hypertext as the Engine of Application State).
Spring HATEOAS provides common abstractions (representational models, a Link class, API to build links pointing to Spring MVC controllers, etc.) to ease building hypermedia driven REST APIs with Spring MVC in general. Thus, you can use it alongside Spring MVC to manually build those services.
Spring HATEOAS provides some APIs to ease creating REST representations that follow the HATEOAS principle when working with Spring and especially Spring MVC. The core problem it tries to address is link creation and representation assembly.
HATEOAS acronyms for Hypermedia as the Engine of Application State. The term hypermedia refers to content that contains a link to other forms of media like images, movies, and text. It is a component of the REST application that distinguishes it from other network architecture.
So what you conceptually do is returning an empty collection resource with links attached. This can be achieved by this snippet of code:
List<Link> links = …
return new Resources<Object>(Collections.emptySet(), links);
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