org.springframework.web.servlet.resource

Class CachingResourceResolver

java.lang.Object

org.springframework.web.servlet.resource.AbstractResourceResolver

org.springframework.web.servlet.resource.CachingResourceResolver

All Implemented Interfaces:

ResourceResolver

public class CachingResourceResolver
extends AbstractResourceResolver

A ResourceResolver that resolves resources from a Cache or otherwise delegates to the resolver chain and saves the result in the cache.

Since:

4.1

Author:

Rossen Stoyanchev, Brian Clozel

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	RESOLVED_RESOURCE_CACHE_KEY_PREFIX
static java.lang.String	RESOLVED_URL_PATH_CACHE_KEY_PREFIX

Fields inherited from class org.springframework.web.servlet.resource.AbstractResourceResolver

logger

Constructor Summary

Constructors

Constructor and Description
CachingResourceResolver(Cache cache)
CachingResourceResolver(CacheManager cacheManager, java.lang.String cacheName)

Method Summary

Modifier and Type	Method and Description
protected java.lang.String	computeKey(HttpServletRequest request, java.lang.String requestPath)
Cache	getCache() Return the configured Cache.
protected Resource	resolveResourceInternal(HttpServletRequest request, java.lang.String requestPath, java.util.List<? extends Resource> locations, ResourceResolverChain chain)
protected java.lang.String	resolveUrlPathInternal(java.lang.String resourceUrlPath, java.util.List<? extends Resource> locations, ResourceResolverChain chain)

Methods inherited from class org.springframework.web.servlet.resource.AbstractResourceResolver

resolveResource, resolveUrlPath

Methods inherited from class java.lang.Object

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

Field Detail

RESOLVED_RESOURCE_CACHE_KEY_PREFIX

public static final java.lang.String RESOLVED_RESOURCE_CACHE_KEY_PREFIX

See Also:

Constant Field Values

RESOLVED_URL_PATH_CACHE_KEY_PREFIX

public static final java.lang.String RESOLVED_URL_PATH_CACHE_KEY_PREFIX

See Also:

Constant Field Values

Constructor Detail

CachingResourceResolver

public CachingResourceResolver(Cache cache)

CachingResourceResolver

public CachingResourceResolver(CacheManager cacheManager,
                               java.lang.String cacheName)

Method Detail

getCache

public Cache getCache()

Return the configured Cache.

resolveResourceInternal

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

Specified by:

resolveResourceInternal in class AbstractResourceResolver

computeKey

protected java.lang.String computeKey(@Nullable
                                      HttpServletRequest request,
                                      java.lang.String requestPath)

resolveUrlPathInternal

protected java.lang.String resolveUrlPathInternal(java.lang.String resourceUrlPath,
                                                  java.util.List<? extends Resource> locations,
                                                  ResourceResolverChain chain)

Specified by:

resolveUrlPathInternal in class AbstractResourceResolver