cheshire serialize org.postgresql.geometric PGpoint

cheshire.clj

(ns plokal.cheshire
  (:require [cheshire.generate :refer [add-encoder]]
            [cheshire.core :as json])
  (:import [com.fasterxml.jackson.core JsonGenerator]
           (org.postgresql.geometric PGpoint)))

(add-encoder
  PGpoint
  (fn [^PGpoint data ^JsonGenerator jsonGenerator]
    (.writeString jsonGenerator (json/generate-string {:type :Point
                                                       :coordinates [(.x data) (.y data)]}))))