Consider negative contentLength() result as not resolvable

Issue: SPR-13571
This commit is contained in:
Juergen Hoeller 2016-02-11 22:24:13 +01:00
parent 37de0b241d
commit 27c1280949
2 changed files with 8 additions and 4 deletions

View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2016 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.
@ -217,7 +217,7 @@ public abstract class AbstractHttpMessageConverter<T> implements HttpMessageConv
headers.setContentType(contentTypeToUse);
}
}
if (headers.getContentLength() == -1) {
if (headers.getContentLength() < 0) {
Long contentLength = getContentLength(t, headers.getContentType());
if (contentLength != null) {
headers.setContentLength(contentLength);

View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2016 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.
@ -90,7 +90,11 @@ public class ResourceHttpMessageConverter extends AbstractHttpMessageConverter<R
protected Long getContentLength(Resource resource, MediaType contentType) throws IOException {
// Don't try to determine contentLength on InputStreamResource - cannot be read afterwards...
// Note: custom InputStreamResource subclasses could provide a pre-calculated content length!
return (InputStreamResource.class == resource.getClass() ? null : resource.contentLength());
if (InputStreamResource.class == resource.getClass()) {
return null;
}
long contentLength = resource.contentLength();
return (contentLength < 0 ? null : contentLength);
}
@Override