SPR-13657 Buffered AsyncClientHttpResponse

[jmnarloch]

This pull request relates to #912 in a way that it covers some additional use cases that could be covered through AsyncRestTemplate like for instance request/response logging. To fully facilitate that you would require the responses to be buffered.

[Vijendra07Kulhade]

Are these changes going in some release? I am looking for the solution for my question http://stackoverflow.com/questions/42309192/how-to-use-bufferingclienthttpresponsewrapper-with-httpcomponentsasyncclienthttp

[Vijendra07Kulhade]

I tried using these changes with AsyncRestTemplate. BufferingAsyncClientHttpRequestFactory is only implementing AsyncClientHttpRequestFactory and AsyncRestTemplate constructor takes ClientHttpRequestFactory also. It will break during autowiring.

[oalmali]

This is really needed why this PR was abandoned? Without this response body could be read only once.

[rstoyanchev]

I'm not sure how this one slipped through but the AsyncRestTemplate is deprecated in 5.0 in favor of WebClient, and we're not planning any more new features in 4.3.x. If you're on 5.0, I would highly recommend using the WebClient instead.

[pivotal-issuemaster]

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