voicera/gooseberry

package rest

import (
    "errors"
    "io"
    "net/http"
    "net/url"
    "strings"
)

const (
    urlEncodedContentType = "application/x-www-form-urlencoded"
)

type urlEncodedRequestCreator struct{}

func (urlEncodedRequestCreator) CreateRequest(method string, url string, body interface{}) (*http.Request, error) {
    return createRequest(method, url, body, newURLEncodedRequestBodyReader, urlEncodedContentType)
}

func newURLEncodedRequestBodyReader(body interface{}) (io.Reader, error) {
    if body == nil {
        return strings.NewReader(""), nil
    }
    parameters, ok := body.(map[string]string)
    if !ok {
        return nil, errors.New("body has to be map[string]string")
    }
    return newURLEncodedRequestReader(parameters), nil
}

func newURLEncodedRequestReader(parameters map[string]string) io.Reader {
    requestBody := url.Values{}
    for key, value := range parameters {
        requestBody.Add(key, value)
    }
    return strings.NewReader(requestBody.Encode())
}