pref!

Retrieves and stores preferences. The name should be a unique string.

; define the name we'll be using
(def ^:const pref-name "my-game.settings")
; store a single preference
(pref! pref-name :put-float "player-health" 40)
; store multiple preferences
(pref! pref-name :put {"player-health" 40
                       "player-x" 20
                       "player-y" 50})
; save the changes to the disk
(pref! pref-name :flush)
; retrieve a single preference
(pref! pref-name :get-float "player-health")

Options

:clear

:contains^String key

:flush

Makes sure the preferences are persisted.

:get

Returns a read only Map with all the key, objects of the preferences.

:get-boolean^String key

:get-boolean^String key, ^boolean def-value

:get-float^String key

:get-float^String key, ^float def-value

:get-integer^String key

:get-integer^String key, ^int def-value

:get-long^String key

:get-long^String key, ^long def-value

:get-string^String key

:get-string^String key, ^String def-value

:put^java.util.Map vals

:put-boolean^String key, ^boolean val

:put-float^String key, ^float val

:put-integer^String key, ^int val

:put-long^String key, ^long val

:put-string^String key, ^String val

:remove^String key

Source

(defmacro pref!
  [name k & options]
  `(let [^Preferences p# (if (string? ~name)
                           (app! :get-preferences ~name)
                           ~name)]
     (u/call! p# ~k ~@options)))