84 lines
2.3 KiB
Go
84 lines
2.3 KiB
Go
/*
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* Copyright 2019 Banco Bilbao Vizcaya Argentaria, S.A.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package http
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import (
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"errors"
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"io"
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"io/ioutil"
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"net/http"
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)
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// Get perform a request using Request with the GET method
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func Get(url string, contentType string, r io.Reader, w io.Writer) error {
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return Request("GET", url, contentType, r, w)
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}
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// Post perform a request using Request with the POST method
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func Post(url string, contentType string, r io.Reader, w io.Writer) error {
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return Request("POST", url, contentType, r, w)
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}
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// Put perform a request using Request with the PUT method
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func Put(url string, contentType string, r io.Reader, w io.Writer) error {
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return Request("PUT", url, contentType, r, w)
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}
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// Delete perform a request using Request with the DELETE method
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func Delete(url string, contentType string, r io.Reader, w io.Writer) error {
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return Request("DELETE", url, contentType, r, w)
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}
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var devnull = ioutil.Discard
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// Request will perform the request to the given url and method sending the
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// content of the given reader as the body and writing all the contents
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// of the response to the given writer. The reader and writer are
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// optional.
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func Request(method string, url string, contentType string, r io.Reader, w io.Writer) error {
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req, err := http.NewRequest(method, url, r)
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if err != nil {
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return err
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}
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if contentType != "" {
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req.Header.Add("Content-Type", contentType)
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}
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res, err := new(http.Client).Do(req)
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if err != nil {
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return err
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}
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defer res.Body.Close()
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if res.StatusCode < 200 || res.StatusCode >= 300 {
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reason, err := GetReasonFromBody(res)
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if err != nil {
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return err
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}
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return errors.New(reason)
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}
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if w == nil {
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_, err = io.Copy(devnull, res.Body)
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} else {
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_, err = io.Copy(w, res.Body)
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}
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return err
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}
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