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dfuenzalida/demo.clj

Last active March 7, 2020 21:36
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InputStream to Base64 stream
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demo.clj
;; An example InputStream made of 128 bytes:
(defn bytes-is []
(java.io.ByteArrayInputStream. (into-array Byte/TYPE (range 128))))
(defn b64encode [s]
(String. (.encode (java.util.Base64/getEncoder) (.getBytes s))))
;; Now we read the input stream *in memory* (with slurp) and encode as base64:
(-> (bytes-is) slurp b64encode)
;; => "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIjJC...n8="
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