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I have a Java-Server with an open websocket connection to the javascript client. I want to transfer a binary file from the java server to the javascript client so that the user just has to save the file somewhere in the filesystem.

On client side I could easily handle a Blob. On server side I have a java.io.File and a javax.websocket.Session. I could simply write to the javax.websocket.Session.getBasicRemote().getSendStream().

Does anyone have such an example or can tell me if I am right and what I have to do on client side?

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  • possibly duplicate of : stackoverflow.com/questions/3864959/… Commented Nov 24, 2016 at 10:10
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    @grsdev7 IMHO: websocket != socket & java != javascript Commented Nov 24, 2016 at 10:40
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