On Thu, Feb 26, 2009 at 3:04 PM, Martin DeMello <[email protected]> wrote:
>
> Is there a quick way to read a file into a java array of bytes?
(let [fl (java.io.File. "/tmp/datafile")
ary (make-array Byte/TYPE (.length fl))]
(with-open [strm (java.io.FileInputStream. fl)]
(.read strm ary 0 (.length fl)))
ary)
Hm. Or maybe java.nio?
(with-open [strm (java.io.FileInputStream. "/tmp/datafile")]
(let [ch (.getChannel strm)
buf (java.nio.ByteBuffer/allocate (.size ch))]
(.read ch buf)
(.array buf)))
Bleh. Anybody got something better?
(with-open [strm (java.io.FileInputStream. "/tmp/datafile")]
(let [ch (.getChannel strm)
buf (.map ch java.nio.channels.FileChannel$MapMode/READ_ONLY 0
(.size ch))
ary (make-array Byte/TYPE (.size ch))]
(.get buf ary)
ary))
Seriously, what's with this API? I give up.
--Chouser
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