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contentLength support for Resource decoding

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Expose the known content length, if known, in the InputStreamResource returned by ResourceHttpMessageConverter or
ResourceDecoder.

See gh-24292
This commit is contained in:
Oleh Faizulin
2020-01-04 09:54:53 +02:00
committed by Rossen Stoyanchev
parent e3e7d90415
commit e96b71acf3
4 changed files with 30 additions and 0 deletions
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spring-web/src/test/java/org/springframework/http/converter/ResourceHttpMessageConverterTests.java
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@@ -80,10 +80,12 @@ public class ResourceHttpMessageConverterTests {
inputMessage.getHeaders().setContentType(MediaType.IMAGE_JPEG);
inputMessage.getHeaders().setContentDisposition(
ContentDisposition.builder("attachment").filename("yourlogo.jpg").build());
inputMessage.getHeaders().setContentLength(123);
Resource actualResource = converter.read(InputStreamResource.class, inputMessage);
assertThat(actualResource).isInstanceOf(InputStreamResource.class);
assertThat(actualResource.getInputStream()).isEqualTo(body);
assertThat(actualResource.getFilename()).isEqualTo("yourlogo.jpg");
assertThat(actualResource.contentLength()).isEqualTo(123);
}
}