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Add efficient existence check to ClassPathResource.isReadable()

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Includes reduced isReadable() check in PathResourceLookupFunction, aligned with PathResourceResolver.

Closes gh-27538
See gh-21372
This commit is contained in:
Juergen Hoeller
2021-10-12 16:18:09 +02:00
parent 6d4dfed772
commit 3a166ea742
4 changed files with 29 additions and 14 deletions
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4
spring-webflux/src/main/java/org/springframework/web/reactive/function/server/PathResourceLookupFunction.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2020 the original author or authors.
* Copyright 2002-2021 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -72,7 +72,7 @@ class PathResourceLookupFunction implements Function<ServerRequest, Mono<Resourc
try {
Resource resource = this.location.createRelative(path);
if (resource.exists() && resource.isReadable() && isResourceUnderLocation(resource)) {
if (resource.isReadable() && isResourceUnderLocation(resource)) {
return Mono.just(resource);
}
else {