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https://issues.apache.org/jira/browse/OLINGO-1041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15677243#comment-15677243
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Michael Bolz commented on OLINGO-1041:
--------------------------------------
Hi [~aparr],
Any update from you about this issue?
IMHO this is no bug in Olingo, so I will close this issue.
If you have new information please comment and reopen the issue.
Best Regards, Michael
> Set Cache-Control Header for OData Response
> -------------------------------------------
>
> Key: OLINGO-1041
> URL: https://issues.apache.org/jira/browse/OLINGO-1041
> Project: Olingo
> Issue Type: Bug
> Components: odata2-core
> Affects Versions: V2 2.0.6
> Environment: SAP HANA Cloud Platform
> Reporter: Alexander Parr
> Assignee: Michael Bolz
> Priority: Minor
> Labels: ODataResponseBuilder, cache-control, header, headers
>
> Hi all,
> I implemented method 'readEntityMedia' which is called via $value for an
> entity. As I do return a PDF file I like to set the response header
> 'Cache-Control' to a defined value which is 'max-age = 86400, public' in my
> case.
> By default the 'Cache-Control' header is set to private. I tried to change
> the header by using method 'header' of the ODataResponseBuilder:
> {code:borderStyle=solid}
> public ODataResponse readEntityMedia(GetMediaResourceUriInfo uriInfo, String
> contentType) throws ODataException {
> ...
> ODataResponseBuilder responseBuilder =
> ODataResponse.fromResponse(EntityProvider.writeBinary(mimeTypeRequested,
> documentData));
>
> responseBuilder
> .header("Cache-Control", "max-age = 86400, public")
> .header("Content-Disposition", "inline;filename=\"" + fileName + "\"");
>
> return responseBuilder.build();
> }
> {code}
> Unfortunately the response header now contains both:
> Cache-Control:private
> and
> Cache-Control:max-age = 86400, public
> which is not what I expected. By calling method 'header' of the
> ResponseBuilder I expect that if a header already exists it gets overwritten.
> Best regards,
> Alex
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