Example of web-service for hashing

hbr_clj.clj

(ns hbr-clj
  (:use compojure.core ring.middleware.reload clojure.data.json)
  (:require [compojure.route :as route])
  (:import [org.apache.commons.codec.digest DigestUtils]))

(defroutes my-routes
  (GET "/md5/:what" [what] (json-str {:what what :hash (DigestUtils/md5Hex what)}))
  (route/not-found "<h1>Page not found</h1>"))

(def app (-> #'my-routes
             (wrap-reload '[hbr-clj])))

project.clj

(defproject hbr-clj "0.0.1"
  :description "Example of web service"
  :dependencies [[org.clojure/clojure "1.3.0"]
                 [compojure "1.0.4"]
                 [org.clojure/data.json "0.1.2"]
                 [commons-codec "1.6"]]
  :dev-dependencies [[lein-ring "0.6.1"]]
  :ring {:handler hbr-clj/app}
  )