woodpecker/client/http.go

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2016-04-23 11:27:28 +00:00
package client
import (
"bytes"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
)
// helper function to stream an http request
func stream(client *http.Client, rawurl, method string, in, out interface{}) (io.ReadCloser, error) {
uri, err := url.Parse(rawurl)
if err != nil {
return nil, err
}
// if we are posting or putting data, we need to
// write it to the body of the request.
var buf io.ReadWriter
if in == nil {
// nothing
} else if rw, ok := in.(io.ReadWriter); ok {
buf = rw
} else if b, ok := in.([]byte); ok {
buf = new(bytes.Buffer)
buf.Write(b)
} else {
buf = new(bytes.Buffer)
err := json.NewEncoder(buf).Encode(in)
if err != nil {
return nil, err
}
}
// creates a new http request to bitbucket.
req, err := http.NewRequest(method, uri.String(), buf)
if err != nil {
return nil, err
}
if in == nil {
// nothing
} else if _, ok := in.(io.ReadWriter); ok {
req.Header.Set("Content-Type", "plain/text")
} else {
req.Header.Set("Content-Type", "application/json")
}
resp, err := client.Do(req)
if err != nil {
return nil, err
}
if resp.StatusCode > http.StatusPartialContent {
defer resp.Body.Close()
out, _ := ioutil.ReadAll(resp.Body)
return nil, fmt.Errorf(string(out))
}
return resp.Body, nil
}