Grails RestBuilder simple POST example

Question

I\'m trying to do an OAuth2 user-credentials post to an OAuth2 service using the Grails RestBuilder plugin.

If I try to specify the post body as a map, I get an erro

Answer 1

Following code works for Box connection. Spend few of hours figuring this out

    String pclient_id = grailsApplication.config.ellucian.box.CLIENT_ID.toString()
    String pclient_secret=grailsApplication.config.ellucian.box.CLIENT_SECRET.toString()
    String pcode = params.code

    log.debug("Retrieving the Box Token using following keys Client ID: ==>"+pclient_id+"<== Secret: ==>"+pclient_secret+"<== Code: ==>"+pcode)
    RestBuilder rest = new RestBuilder()

    MultiValueMap form = new LinkedMultiValueMap()
    form.add("client_id", pclient_id)
    form.add("client_secret", pclient_secret)
    form.add("grant_type", "authorization_code")
    form.add("code", pcode)
    def resp = rest.post("https://app.box.com/api/oauth2/token") {
        accept("application/json")
        contentType("application/x-www-form-urlencoded")
        body(form)
    }

    def js = resp.json.toString()
    println("sss"+js)
    def slurper = new JsonSlurper()
    def result = slurper.parseText(js)
    println("Message:"+result.error)

    render js