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POUploading file as stream in play framework 2.0
 

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  1. POUploading file as stream in play framework 2.0
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    <p>I'm writing a play 2.0 java application that allows users to upload files. Those files are stored on a third-party service I access using a Java library, the method I use in this API has the following signature:</p> <pre><code>void store(InputStream stream, String path, String contentType) </code></pre> <p>I've managed to make uploads working using the following simple controller:</p> <pre><code>public static Result uploadFile(String path) { MultipartFormData body = request().body().asMultipartFormData(); FilePart filePart = body.getFile("files[]"); InputStream is = new FileInputStream(filePart.getFile()) myApi.store(is,path,filePart.getContentType()); return ok(); } </code></pre> <p>My concern is that this solution is not efficient because by default the play framework stores all the data uploaded by the client in a temporary file on the server then calls my uploadFile() method in the controller. </p> <p>In a traditional servlet application I would have written a servlet behaving this way:</p> <pre><code>myApi.store(request.getInputStream(), ...) </code></pre> <p>I have been searching everywhere and didn't find any solution. The closest example I found is <a href="https://stackoverflow.com/questions/11468768/why-makes-calling-error-or-done-in-a-bodyparsers-iteratee-the-request-hang-in-p">Why makes calling error or done in a BodyParser&#39;s Iteratee the request hang in Play Framework 2.0?</a> but I didn't found how to modify it to fit my needs.</p> <p>Is there a way in play2 to achieve this behavior, i.e. having the data uploaded by the client to go "through" the web-application directly to another system ?</p> <p>Thanks.</p>
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