Is it possible to get an InputStream out of an InputStreamReader instance? If yes, how?
EDIT: i'm reading a binary file over network, so i need to read bytes, not chars. I haven't found a way to do this with an InputStreamReader....
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1My answer is basically a long-winded "no" - but if you can give more context we may be able to give more guidance.Jon Skeet– Jon Skeet2014-03-05 18:47:02 +00:00Commented Mar 5, 2014 at 18:47
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If you are sending a file, why should you want to read it?robermann– robermann2014-03-05 18:56:34 +00:00Commented Mar 5, 2014 at 18:56
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sry, i want to read a binary file ;)user2422196– user24221962014-03-05 19:06:47 +00:00Commented Mar 5, 2014 at 19:06
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Well read it with an InputStream, why not?robermann– robermann2014-03-05 19:10:31 +00:00Commented Mar 5, 2014 at 19:10
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i had to make some major changes in my sourcecode to get an InputStream. luckily, they were not so big as i thought they would be. :)user2422196– user24221962014-03-05 19:15:26 +00:00Commented Mar 5, 2014 at 19:15
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1 Answer
Not without reflection, no... and I really wouldn't recommend using reflection here. (You would be very implementation-specific.)
Usually you shouldn't care about which implementation of Reader is being used at all, so you wouldn't even know it was an InputStreamReader... let alone try to get access to the underlying InputStream.
2 Comments
user2422196
the problem is that i want to read Bytes, not Chars. changing everything to an InputStream would be much work, so i hoped i can get one out of the reader
Jon Skeet
@user2422196: If you want to read binary data, you shouldn't have a `Reader to start with, almost certainly. Again, without any context about where this reader is coming from etc it's hard to help you, but it sounds like a situation you should just try to avoid.
