org.springframework.web.servlet.resource

Class DefaultResourceResolverChain

java.lang.Object

org.springframework.web.servlet.resource.DefaultResourceResolverChain

All Implemented Interfaces:

ResourceResolverChain

class DefaultResourceResolverChain
extends java.lang.Object
implements ResourceResolverChain

A default implementation of ResourceResolverChain for invoking a list of ResourceResolvers.

Since:

4.1

Author:

Jeremy Grelle, Rossen Stoyanchev, Sam Brannen

Field Summary

Fields

Modifier and Type	Field and Description
private int	index
private java.util.List<ResourceResolver>	resolvers

Constructor Summary

Constructors

Constructor and Description
DefaultResourceResolverChain(java.util.List<? extends ResourceResolver> resolvers)

Method Summary

Modifier and Type	Method and Description
private ResourceResolver	getNext()
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.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

resolvers

private final java.util.List<ResourceResolver> resolvers

index

private int index

Constructor Detail

DefaultResourceResolverChain

public DefaultResourceResolverChain(java.util.List<? extends ResourceResolver> resolvers)

Method Detail

resolveResource

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

Description copied from interface: ResourceResolverChain

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

Specified by:

resolveResource in interface ResourceResolverChain

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

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

Description copied from interface: ResourceResolverChain

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.

Specified by:

resolveUrlPath in interface ResourceResolverChain

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

getNext

private ResourceResolver getNext()