[java-storage] Support `InputStream` as a source of `RequestBody`
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@Dhriti07 is already working on this.
Since Sep 29, 2026.
Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 55/100
Research direction
Start by locating RequestBody and RewindableContent, then trace the existing ByteBuffer construction and rewind behavior. Verify how InputStream mark/reset support would affect repeated reads; done means callers can construct RequestBody from an InputStream without an intermediate buffer while rewinding remains supported.
Written by the indexing model from the issue text.
Description
Is your feature request related to a problem? Please describe.
Currently RequestBody can only be constructed from ByteBuffer. If a caller wants to supply data from an InputStream this API forces an allocation and copy of the data in the stream into an intermediate buffer.
Describe the solution you'd like
I would like to be able to create RequestBody from an InputStream. It seems that mark and reset functionality can be used to implement rewinding in RewindableContent.
Describe alternatives you've considered
I can use an intermediate buffer solution and it works but it's not ideal.
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- Java
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