org.springframework.web.servlet.resource

Interface ResourceResolverChain

public interface ResourceResolverChain

A contract for invoking a chain of ResourceResolvers where each resolver is given a reference to the chain allowing it to delegate when necessary.

Since:

4.1

Author:

Jeremy Grelle, Rossen Stoyanchev, Sam Brannen

Method Summary

Modifier and Type	Method and Description
Resource	resolveResource(HttpServletRequest request, java.lang.String requestPath, java.util.List<? extends Resource> locations) Resolve the supplied request and request path to a Resource that exists under one of the given resource locations.
java.lang.String	resolveUrlPath(java.lang.String resourcePath, java.util.List<? extends Resource> locations) Resolve the externally facing public URL path for clients to use to access the resource that is located at the given internal resource path.

Method Detail

resolveResource

@Nullable
Resource resolveResource(@Nullable
                                   HttpServletRequest request,
                                   java.lang.String requestPath,
                                   java.util.List<? extends Resource> locations)

Resolve the supplied request and request path to a Resource that exists under one of the given resource locations.

Parameters:

request - the current request

requestPath - the portion of the request path to use

locations - the locations to search in when looking up resources

Returns:

the resolved resource, or null if unresolved

resolveUrlPath

@Nullable
java.lang.String resolveUrlPath(java.lang.String resourcePath,
                                          java.util.List<? extends Resource> locations)

Resolve the externally facing public URL path for clients to use to access the resource that is located at the given internal resource path.

This is useful when rendering URL links to clients.

Parameters:

resourcePath - the internal resource path

locations - the locations to search in when looking up resources

Returns:

the resolved public URL path, or null if unresolved