Hi everybody,
I'm trying to POST some JSON data to a web service:
(ql:quickload :st-json)
(ql:quickload :cl-json)
(ql:quickload :drakma)
(defvar *rc* (merge-pathnames (user-homedir-pathname) ".apirc"))
(defvar *user*
(with-open-file (s *rc*)
(st-json:read-json s)))
(defvar api-url (st-json:getjso "url" *user*))
(defvar api-key (st-json:getjso "key" *user*))
(defvar api-email (st-json:getjso "email" *user*))
(setf drakma:*header-stream* *standard-output*)
(defvar *req* '(("dataset" . "tigge")
("step" . "24")
("date" . "20071001")
("time" . "00")
("origin" . "all")))
(format t "json:~S~%" (json:encode-json-to-string *req*))
(defun retrieve (api request)
(let* ((cookie-jar (make-instance 'drakma:cookie-jar))
(extra-headers (list (cons "From" api-email)
(cons "X-API-KEY" api-key)))
(url (concatenate 'string api-url api "/requests"))
(stream (drakma:http-request url
:additional-headers extra-headers
:accept "application/json"
:method :post
:content-type "application/json"
:external-format-out :utf-8
:external-format-in :utf-8
:redirect 100
:cookie-jar cookie-jar
:content (json:encode-json-to-string request)
:want-stream t)))
(st-json:read-json stream)))
(retrieve "/datasets/tigge" *req*)
Unfortunately, I get an error, although the data seems to be encoded OK to
JSON and the headers generated by drakma too, I think. Apparently something
is wrong with the :content (the list of integers in the errors message is
just the list of ASCII codes of the JSON encoded data).
json:"{\"dataset\":\"tigge\",\"step\":\"24\",\"number\":\"all\",\"levtype\":\"sl\",\"date\":\"20071001\",\"time\":\"00\",\"origin\":\"all\",\"type\":\"pf\",\"param\":\"tp\",\"area\":\"70\\/-130\\/30\\/-60\",\"grid\":\"2\\/2\",\"target\":\"data.grib\"}"
POST /v1/datasets/tigge/requests HTTP/1.1
Host: api.service.int
User-Agent: Drakma/1.3.0 (SBCL 1.1.5; Darwin; 12.2.0;
http://weitz.de/drakma/)
Accept: application/json
Connection: close
From: me(a)gmail.com
X-API-KEY: 19a0edb6d8d8dda1e6a3b21223e4f86a
Content-Type: application/json
Content-Length: 193
debugger invoked on a SIMPLE-TYPE-ERROR:
The value of CL+SSL::THING is #(123 34 100 97 116 97 115 101 116 34
58 34
...), which is not of type (SIMPLE-ARRAY
(UNSIGNED-BYTE 8)
(*)).
Any idea what's wrong with this code? Many thanks in advance.
Best regards,
Piotr
