public class SRSCachingInterceptor extends DelegatingSRS
StreamableResourceSource service that handles caching of content.delegate| Constructor and Description |
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SRSCachingInterceptor(StreamableResourceSource delegate,
ResourceChangeTracker tracker) |
| Modifier and Type | Method and Description |
|---|---|
protected boolean |
enableCache(StreamableResourceProcessing processing)
Returns true unless the processing is
StreamableResourceProcessing.FOR_AGGREGATION. |
StreamableResource |
getStreamableResource(Resource baseResource,
StreamableResourceProcessing processing,
ResourceDependencies dependencies)
Converts a Resource (which must be non-null and exist) into a streamable resource, along with
some additional optional behaviors.
|
protected boolean |
isCacheable(StreamableResource resource)
Always returns true; a subclass may extend this to only cache the resource in some circumstances.
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fileExtensionsForContentTypepublic SRSCachingInterceptor(StreamableResourceSource delegate, ResourceChangeTracker tracker)
public StreamableResource getStreamableResource(Resource baseResource, StreamableResourceProcessing processing, ResourceDependencies dependencies) throws IOException
StreamableResourceSourcegetStreamableResource in interface StreamableResourceSourcegetStreamableResource in class DelegatingSRSbaseResource - the resource to convertprocessing - defines additional processing after the resource has been read and possibly transformeddependencies - Passed to any ResourceTransformer to track additional dependencies of the base resourceIOException - if the resource does not exist or a URL for the content is not availableprotected boolean isCacheable(StreamableResource resource)
resource - protected boolean enableCache(StreamableResourceProcessing processing)
StreamableResourceProcessing.FOR_AGGREGATION.
Subclasses may override. When the cache is not enabled, the request is passed on to the interceptor's
DelegatingSRS.delegate, and no attempt is made to read or update this interceptor's cache.5.6.4 - Copyright © 2003-2021 The Apache Software Foundation.