Great. Encoding the parameters was the next thing to figure out. Thank you.
On Aug 2, 12:51 am, Matjaz Gregoric <gre...@gmail.com> wrote: > Depending on your input, you might also want to make sure to properly > urlencode the keys and values. > There is a function in hiccup that does what you want (including > urlencoding): > > https://github.com/weavejester/hiccup/blob/10c3ebe175edc80eed1a0792ec... > > On Tue, Aug 2, 2011 at 12:47 AM, Brad <b...@beaconhill.com> wrote: > > I wanted to take a Map and convert it to a string suitable for use as > > parameters in a URL. I have got it working below two different ways > > but wondered if there was a better or more idiomatic way to do this. > > > ;; My test input map > > (def input {:a 1 :b 2 :c 3 :d 4}) > > > ;; What I'd like the input map convert into. A string that looks like > > keyword=value&keyword=value&, .... > > (def output "a=1&b=2&c=3&d=4") > > > ;; This function converts each MapEntry to the key=value > > (defn map-entry-to-string-pair > > "Convert a key value from a map into a string that looks like > > key=value. > > For example, > > (def input {:a 1 :b 2 :c 3 :d 4}) > > (map-entry-to-string-pair (first input)) => \"a=1\"" > > [mapentry] > > (str (name (first mapentry)) "=" (second mapentry))) > > > ;; The following two functions build the result string. There is not > > much of a difference between them. The first uses > > ;; let to hold a variable after mapping map-entry-to-string-pair over > > the input map. The other just uses the same mapping > > ;; after converting it to a vector. > > > (defn convert-map-to-url-string1 > > "Convert a map from keyword values to a string that consists of > > keyword=value pairs separated by &s for use in a URL > > For example, > > (def input {:a 1 :b 2 :c 3 :d 4}) > > (convert-map-to-url-string1 input) => \"a=1&b=2&c=3&d=4\"" > > [m] > > (let [pairs (map map-entry-to-string-pair m)] > > (join "&" pairs))) > > > (defn convert-map-to-url-string2 > > "Convert a map from keyword values to a string that consists of > > keyword=value pairs separated by &s for use in a URL > > For example, > > (def input {:a 1 :b 2 :c 3 :d 4}) > > (convert-map-to-url-string2 input) => \"a=1&b=2&c=3&d=4\"" > > [m] > > (join "&" (vec (map map-entry-to-string-pair m)))) > > > Is there a simpler, better way to do this? > > > - Brad > > > -- > > You received this message because you are subscribed to the Google > > Groups "Clojure" group. > > To post to this group, send email to clojure@googlegroups.com > > Note that posts from new members are moderated - please be patient with > > your first post. > > To unsubscribe from this group, send email to > > clojure+unsubscr...@googlegroups.com > > For more options, visit this group at > >http://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
