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ring.clj
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ring.clj
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(ns foreclojure.ring
(:require [clojure.java.io :as io]
[clojure.string :as s]
[compojure.route :as route])
(:import [java.net URL])
(:use [compojure.core :only [GET]]
[foreclojure.utils :only [strip-version-number]]
[useful.debug :only [?]]
[ring.util.response :only [response]]))
;; copied from compojure.route, modified to use File instead of Stream
(defn resources
"A route for serving resources on the classpath. Accepts the following
keys:
:root - the root prefix to get the resources from. Defaults to 'public'."
[path & [options]]
(GET path {{resource-path :*} :route-params}
(let [root (:root options "public")]
(when-let [res (io/resource (str root "/" resource-path))]
(response (io/as-file res))))))
(defn wrap-url-as-file [handler]
(fn [request]
(when-let [{body :body :as resp} (handler request)]
(if (and (instance? URL body)
(= "file" (.getProtocol ^URL body)))
(update-in resp [:body] io/as-file)
resp))))
(defn wrap-strip-trailing-slash [handler]
(fn [request]
(handler (update-in request [:uri] s/replace #"(?<=.)/$" ""))))
(defn wrap-versioned-expiry [handler]
(fn [request]
(when-let [resp (handler
(update-in request [:uri] strip-version-number))]
(assoc-in resp [:headers "Cache-control"]
"public, max-age=31536000"))))
(defn wrap-debug [handler]
(fn [request]
(? (handler (? request)))))
(defn split-hosts [host-handlers]
(let [default (:default host-handlers)]
(fn [request]
(let [host (get-in request [:headers "host"])
handler (or (host-handlers host) default)]
(handler request)))))
(defn wrap-404 [handler]
(fn [request]
(or (handler request)
(route/not-found "Page not found"))))