2 // ========================LICENSE_START=================================
5 // Copyright (C) 2021: Nordix Foundation
7 // Licensed under the Apache License, Version 2.0 (the "License");
8 // you may not use this file except in compliance with the License.
9 // You may obtain a copy of the License at
11 // http://www.apache.org/licenses/LICENSE-2.0
13 // Unless required by applicable law or agreed to in writing, software
14 // distributed under the License is distributed on an "AS IS" BASIS,
15 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 // See the License for the specific language governing permissions and
17 // limitations under the License.
18 // ========================LICENSE_END===================================
32 httpClient *http.Client
35 func New(httpClient *http.Client) *Client {
37 httpClient: httpClient,
41 type HTTPClient interface {
42 Get(path string, v interface{}) error
43 Post(path string, payload interface{}, v interface{}) error
46 func (c *Client) Get(path string, v interface{}) error {
47 req, err := c.newRequest(http.MethodGet, path, nil)
49 return fmt.Errorf("failed to create GET request: %w", err)
52 if err := c.doRequest(req, v); err != nil {
59 func (c *Client) Post(path string, payload interface{}, v interface{}) error {
60 req, err := c.newRequest(http.MethodPost, path, payload)
62 return fmt.Errorf("failed to create POST request: %w", err)
65 if err := c.doRequest(req, v); err != nil {
72 func (c *Client) newRequest(method, path string, payload interface{}) (*http.Request, error) {
75 bodyBytes, err := json.Marshal(payload)
77 return nil, fmt.Errorf("failed to marshal request body: %w", err)
79 reqBody = bytes.NewReader(bodyBytes)
82 req, err := http.NewRequest(method, path, reqBody)
84 return nil, fmt.Errorf("failed to create HTTP request: %w", err)
88 req.Header.Set("Content-Type", "application/json; charset=utf-8")
90 fmt.Printf("Http Client Request: [%s:%s]\n", req.Method, req.URL)
94 func (c *Client) doRequest(r *http.Request, v interface{}) error {
103 defer resp.Body.Close()
109 dec := json.NewDecoder(resp.Body)
110 if err := dec.Decode(v); err != nil {
111 return fmt.Errorf("could not parse response body: %w [%s:%s]", err, r.Method, r.URL.String())
113 fmt.Printf("Http Client Response: %+v\n", v)
117 func (c *Client) do(r *http.Request) (*http.Response, error) {
118 resp, err := c.httpClient.Do(r)
120 return nil, fmt.Errorf("failed to make request [%s:%s]: %w", r.Method, r.URL.String(), err)
123 if resp.StatusCode >= http.StatusOK && resp.StatusCode <= 299 {
127 defer resp.Body.Close()
129 return resp, fmt.Errorf("failed to do request, %d status code received", resp.StatusCode)