public class CachingResourceTransformer extends Object implements ResourceTransformer
ResourceTransformer
that checks a
Cache
to see if a previously transformed resource
exists in the cache and returns it if found, and otherwise delegates to the resolver
chain and saves the result in the cache.Constructor and Description |
---|
CachingResourceTransformer(Cache cache) |
CachingResourceTransformer(CacheManager cacheManager,
String cacheName) |
Modifier and Type | Method and Description |
---|---|
Cache |
getCache()
Return the configured
Cache . |
Resource |
transform(HttpServletRequest request,
Resource resource,
ResourceTransformerChain transformerChain)
Transform the given resource.
|
public CachingResourceTransformer(Cache cache)
public CachingResourceTransformer(CacheManager cacheManager, String cacheName)
public Cache getCache()
Cache
.public Resource transform(HttpServletRequest request, Resource resource, ResourceTransformerChain transformerChain) throws IOException
ResourceTransformer
transform
in interface ResourceTransformer
request
- the current requestresource
- the resource to transformtransformerChain
- the chain of remaining transformers to delegate tonull
)IOException
- if the transformation fails