Class CachingResourceTransformer
java.lang.Object
org.springframework.web.reactive.resource.CachingResourceTransformer
- All Implemented Interfaces:
ResourceTransformer
A
ResourceTransformer
that checks a Cache
to see if a
previously transformed resource exists in the cache and returns it if found,
or otherwise delegates to the resolver chain and caches the result.- Since:
- 5.0
- Author:
- Rossen Stoyanchev
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Constructor Summary
ConstructorDescriptionCachingResourceTransformer
(org.springframework.cache.Cache cache) CachingResourceTransformer
(org.springframework.cache.CacheManager cacheManager, String cacheName) -
Method Summary
Modifier and TypeMethodDescriptionorg.springframework.cache.Cache
getCache()
Return the configuredCache
.reactor.core.publisher.Mono<org.springframework.core.io.Resource>
transform
(org.springframework.web.server.ServerWebExchange exchange, org.springframework.core.io.Resource resource, ResourceTransformerChain transformerChain) Transform the given resource.
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Constructor Details
-
CachingResourceTransformer
public CachingResourceTransformer(org.springframework.cache.Cache cache) -
CachingResourceTransformer
public CachingResourceTransformer(org.springframework.cache.CacheManager cacheManager, String cacheName)
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Method Details
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getCache
public org.springframework.cache.Cache getCache()Return the configuredCache
. -
transform
public reactor.core.publisher.Mono<org.springframework.core.io.Resource> transform(org.springframework.web.server.ServerWebExchange exchange, org.springframework.core.io.Resource resource, ResourceTransformerChain transformerChain) Description copied from interface:ResourceTransformer
Transform the given resource.- Specified by:
transform
in interfaceResourceTransformer
- Parameters:
exchange
- the current exchangeresource
- the resource to transformtransformerChain
- the chain of remaining transformers to delegate to- Returns:
- the transformed resource (never empty)
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