import org.springframework.hateoas.RelProvider; //导入依赖的package包/类
public HalHandlerInstantiator(RelProvider resolver, CurieProvider curieProvider,
                              MessageSourceAccessor messageSource, boolean enforceEmbeddedCollections) {

    EmbeddedMapper mapper = new EmbeddedMapper(resolver, curieProvider, enforceEmbeddedCollections);

    Assert.notNull(resolver, "RelProvider must not be null!");
    this.instanceMap.put(HalResourcesSerializer.class, new HalResourcesSerializer(mapper));
    this.instanceMap.put(HalLinkListSerializer.class,
            new HalLinkListSerializer(curieProvider, mapper, messageSource));
}
 

import org.springframework.hateoas.RelProvider; //导入依赖的package包/类
/**
 * Creates a new {@link EmbeddedMapper} for the given {@link RelProvider}, {@link CurieProvider} and flag whether to
 * prefer collection relations.
 *
 * @param relProvider          must not be {@literal null}.
 * @param curieProvider        can be {@literal null}.
 * @param preferCollectionRels
 */
public EmbeddedMapper(RelProvider relProvider, CurieProvider curieProvider, boolean preferCollectionRels) {

    Assert.notNull(relProvider, "RelProvider must not be null!");

    this.relProvider = relProvider;
    this.curieProvider = curieProvider;
    this.preferCollectionRels = preferCollectionRels;
}
 

import org.springframework.hateoas.RelProvider; //导入依赖的package包/类
/**
 * Creates a new {@link HalEmbeddedBuilder} using the given {@link RelProvider} and prefer collection rels flag.
 * 
 * @param provider can be {@literal null}.
 * @param preferCollectionRels whether to prefer to ask the provider for collection rels.
 */
public HalEmbeddedBuilder(RelProvider provider, CurieProvider curieProvider, boolean preferCollectionRels) {

	Assert.notNull(provider, "Relprovider must not be null!");

	this.provider = provider;
	this.curieProvider = curieProvider;
	this.wrappers = new EmbeddedWrappers(preferCollectionRels);
}
 

import org.springframework.hateoas.RelProvider; //导入依赖的package包/类
@Test
public void enablesHyperMediaSupportFromXml() {
    assertThat(wac.getBean(RelProvider.class), is(notNullValue()));
    assertThat(wac.getBean(CurieProvider.class), is(notNullValue()));
    assertThat(wac.getBean(LinkDiscoverer.class), is(notNullValue()));
    ObjectMapper objectMapper = (ObjectMapper) wac.getBean("_halObjectMapper");
    assertThat(objectMapper, is(notNullValue()));
    assertTrue(objectMapper.getDateFormat().equals(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss")));
}
 

import org.springframework.hateoas.RelProvider; //导入依赖的package包/类
public BarResourceAssembler(RelProvider relProvider) {
	this(BarController.class, relProvider);
}
 

import org.springframework.hateoas.RelProvider; //导入依赖的package包/类
@Bean
public BarResourceAssembler barResourceAssembler(RelProvider relProvider) {
	return new BarResourceAssembler(relProvider);
}
 

import org.springframework.hateoas.RelProvider; //导入依赖的package包/类
public DelegatingRelProvider(PluginRegistry<RelProvider, Class<?>> providers) {

		Assert.notNull(providers, "RelProviders must not be null!");
		this.providers = providers;
	}
 

import org.springframework.hateoas.RelProvider; //导入依赖的package包/类
@Bean
RelProvider relProvider()
{
	return new JsonRootRelProvider();
}
 

import org.springframework.hateoas.RelProvider; //导入依赖的package包/类
@Bean
RelProvider defaultRelProvider() {
    return EVO_PRESENT ? new EvoInflectorRelProvider() : new DefaultRelProvider();
}
 

import org.springframework.hateoas.RelProvider; //导入依赖的package包/类
@Bean
RelProvider annotationRelProvider() {
    return new AnnotationRelProvider();
}
 

import org.springframework.hateoas.RelProvider; //导入依赖的package包/类
/**
 * Used to derive siren class (because Spring Hateoas rel providers normally derive rels from class names or class
 * annotations).
 *
 * @param relProvider
 *         to determine siren class
 */
public void setRelProvider(RelProvider relProvider) {
    sirenUtils.setRelProvider(relProvider);
}