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[#127] Add utils: freeze-to-string, thaw-from-string (@piotr-yuxuan)

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This commit is contained in:
Peter Taoussanis 2020-06-24 12:40:59 +02:00
parent f1c71b58d8
commit 7aa6425159
1 changed files with 25 additions and 10 deletions
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35
src/taoensso/nippy.clj
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@ -1660,12 +1660,29 @@
(inspect-ba (freeze "hello"))
(seq (:data-ba (inspect-ba (freeze "hello")))))
(defn freeze-to-string
"Convenience util: like `freeze`, but returns a Base64-encoded string.
See also `thaw-from-string`."
([x ] (freeze-to-string x nil))
([x freeze-opts]
(let [ba (freeze x freeze-opts)]
(.encodeToString (java.util.Base64/getEncoder)
ba))))
(defn thaw-from-string
"Convenience util: like `thaw`, but takes a Base64-encoded string.
See also `freeze-to-string`."
([s ] (thaw-from-string s nil))
([^String s thaw-opts]
(let [ba (.decode (java.util.Base64/getDecoder) s)]
(thaw ba thaw-opts))))
(comment (thaw-from-string (freeze-to-string {:a :A :b [:B1 :B2]})))
(defn freeze-to-file
"Convenience util: writes `(freeze x freeze-opts)` byte array to
`(clojure.java.io/file file)` and returns the byte array.
(freeze-to-file \"my-filename.npy\" my-val) => Serialized byte array"
"Convenience util: like `freeze`, but writes to `(clojure.java.io/file <file>)`
and returns the byte array written.
See also `thaw-from-file`."
([file x ] (freeze-to-file file x nil))
([file x freeze-opts]
(let [^bytes ba (freeze x freeze-opts)]
@ -1674,14 +1691,12 @@
ba)))
(defn thaw-from-file
"Convenience util: returns `(thaw ba thaw-opts)` Clojure value for the
byte array read from `(clojure.java.io/file file)`.
(thaw-from-file \"my-filename.npy\") => Deserialized Clojure value
"Convenience util: like `thaw`, but reads from `(clojure.java.io/file <file>)`.
To thaw from a resource on classpath (e.g in Leiningen `resources` dir):
(thaw-from-file (clojure.java.io/resource \"my-resource-name.npy\"))"
(thaw-from-file (clojure.java.io/resource \"my-resource-name.npy\"))
See also `freeze-to-file`."
([file ] (thaw-from-file file nil))
([file thaw-opts]
(let [file (jio/file file),