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#1591 - Polishing.

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Port configuration lookup caching from HAL FORMS into HAL configuration.
This commit is contained in:
Oliver Drotbohm
2021-07-29 17:57:36 +02:00
parent 662dde692e
commit 748da756db
1 changed files with 18 additions and 2 deletions
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20
src/main/java/org/springframework/hateoas/mediatype/hal/HalMediaTypeConfiguration.java
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@@ -46,6 +46,8 @@ public class HalMediaTypeConfiguration implements HypermediaMappingInformation {
private final @Qualifier("messageResolver") MessageResolver resolver;
private final AutowireCapableBeanFactory beanFactory;
private HalConfiguration resolvedConfiguration;
public HalMediaTypeConfiguration(LinkRelationProvider relProvider, ObjectProvider<CurieProvider> curieProvider,
ObjectProvider<HalConfiguration> halConfiguration, MessageResolver resolver,
AutowireCapableBeanFactory beanFactory) {
@@ -68,7 +70,7 @@ public class HalMediaTypeConfiguration implements HypermediaMappingInformation {
*/
@Override
public List<MediaType> getMediaTypes() {
return this.halConfiguration.getIfAvailable(HalConfiguration::new).getMediaTypes();
return getResolvedConfiguration().getMediaTypes();
}
/*
@@ -78,7 +80,7 @@ public class HalMediaTypeConfiguration implements HypermediaMappingInformation {
@Override
public ObjectMapper configureObjectMapper(ObjectMapper mapper) {
HalConfiguration halConfiguration = this.halConfiguration.getIfAvailable(HalConfiguration::new);
HalConfiguration halConfiguration = getResolvedConfiguration();
mapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
mapper.registerModule(new Jackson2HalModule());
@@ -89,4 +91,18 @@ public class HalMediaTypeConfiguration implements HypermediaMappingInformation {
return mapper;
}
/**
* Lookup and cache the {@link HalConfiguration} instance to be used.
*
* @return will never be {@literal null}.
*/
private HalConfiguration getResolvedConfiguration() {
if (resolvedConfiguration == null) {
this.resolvedConfiguration = halConfiguration.getIfAvailable(HalConfiguration::new);
}
return resolvedConfiguration;
}
}