square/okhttp — pull request #1038 by mpost (2014-08-28 15:34:25+00:00)
Title: Add ability to use InputStream as source of RequestBody

Currently you can only use static resources when creating a RequestBody. In practice it can be beneficial to provide an InputStream as the RequestBody data source. For example an input stream can be monitored during the upload so that a use can be provided with feedback about the upload progress.