在Spring Data REST中,我使用ResourceProcessor
:
@Component
public class ServiceInstanceProcessor
implements ResourceProcessor<Resource<ServiceInstance>> {
@Override
public Resource<ServiceInstance> process(Resource<ServiceInstance> resource) {
Long id = resource.getContent().getId();
ServiceInstanceController controller =
methodOn(ServiceInstanceController.class);
resource.add(linkTo(controller.getNodeSummary(id))
.withRel("nodeSummary"));
resource.add(linkTo(controller.getHealthBreakdown(id))
.withRel("healthBreakdown"));
resource.add(linkTo(controller.getRotationBreakdown(id))
.withRel("rotationBreakdown"));
return resource;
}
}
然而,生成的链接不包括基本路径,即使我已将控制器标记为@BasePathAwareController
,即使默认链接确实包括基本路径:
{
...
"_links" : {
"self" : {
"href" : "http://localhost:8080/api/serviceInstances/101"
},
"serviceInstance" : {
"href" : "http://localhost:8080/api/serviceInstances/101{?projection}",
"templated" : true
},
"nodeSummary" : {
"href" : "http://localhost:8080/serviceInstances/101/nodeSummary"
},
"healthBreakdown" : {
"href" : "http://localhost:8080/serviceInstances/101/healthBreakdown"
},
"rotationBreakdown" : {
"href" : "http://localhost:8080/serviceInstances/101/rotationBreakdown"
},
...
}
}
还有什么我需要做得到的基本路径出现在链接?
我想它与bug ControllerLinkBuilder不考虑Spring Data REST的基本路径和自定义控制器+更改的基本路径不显示在HAL
作为解决方法,我接下来做:
@Autowired
private final RepositoryRestConfiguration config;
private Link fixLinkSelf(Object invocationValue) {
return fixLinkTo(invocationValue).withSelfRel();
}
@SneakyThrows
private Link fixLinkTo(Object invocationValue) {
UriComponentsBuilder uriComponentsBuilder = linkTo(invocationValue).toUriComponentsBuilder();
URL url = new URL(uriComponentsBuilder.toUriString());
uriComponentsBuilder.replacePath(config.getBasePath() + url.getPath());
return new Link(uriComponentsBuilder.toUriString());
}
的用法与linkTo
:
resources.add(fixLinkSelf(methodOn(VoteController.class).history()));
resources.add(fixLinkTo(methodOn(VoteController.class).current()).withRel("current"));
基于addPath:
当前请求的其他简单情况的解决方案new Link(ServletUriComponentsBuilder.fromCurrentRequest().path(addPath).build().toUriString())