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Enforce ConditionalContentCachingResponseWrapper in ShallowEtagHeaderFilter 

Closes gh-24976
This commit is contained in:
Juergen Hoeller 2020-07-19 19:53:29 +02:00
parent 165a6f186d
commit 9a618dc7a1
1 changed files with 3 additions and 6 deletions
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9
spring-web/src/main/java/org/springframework/web/filter/ShallowEtagHeaderFilter.java
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@ -99,7 +99,7 @@ public class ShallowEtagHeaderFilter extends OncePerRequestFilter {
throws ServletException, IOException {
HttpServletResponse responseToUse = response;
if (!isAsyncDispatch(request) && !(response instanceof ContentCachingResponseWrapper)) {
if (!isAsyncDispatch(request) && !(response instanceof ConditionalContentCachingResponseWrapper)) {
responseToUse = new ConditionalContentCachingResponseWrapper(response, request);
}
@ -111,10 +111,8 @@ public class ShallowEtagHeaderFilter extends OncePerRequestFilter {
}
private void updateResponse(HttpServletRequest request, HttpServletResponse response) throws IOException {
ContentCachingResponseWrapper wrapper =
WebUtils.getNativeResponse(response, ContentCachingResponseWrapper.class);
ConditionalContentCachingResponseWrapper wrapper =
WebUtils.getNativeResponse(response, ConditionalContentCachingResponseWrapper.class);
Assert.notNull(wrapper, "ContentCachingResponseWrapper not found");
HttpServletResponse rawResponse = (HttpServletResponse) wrapper.getResponse();
@ -219,7 +217,6 @@ public class ShallowEtagHeaderFilter extends OncePerRequestFilter {
private final HttpServletRequest request;
ConditionalContentCachingResponseWrapper(HttpServletResponse response, HttpServletRequest request) {
super(response);
this.request = request;