Golang json.NewDecoder函数代码示例

func TestParseFlavors(t *testing.T) {

	flavorsTestFilePath := "./testdata/database_flavor_test_flavors.json"

	flavorsTestFile, err := os.Open("./testdata/database_flavor_test_flavors.json")
	if err != nil {
		t.Error(fmt.Errorf("Failed to open file %s: '%s'", flavorsTestFilePath, err.Error()))
	}

	flavorsContainer := FlavorsContainer{}
	err = json.NewDecoder(flavorsTestFile).Decode(&flavorsContainer)
	defer flavorsTestFile.Close()
	if err != nil {
		t.Error(fmt.Errorf("Failed to decode JSON file %s: '%s'", flavorsTestFilePath, err.Error()))
	}

	flavorTestFilePath := "./testdata/database_flavor_test_flavor.json"

	flavorTestFile, err := os.Open(flavorTestFilePath)
	if err != nil {
		t.Error(fmt.Errorf("Failed to open file %s: '%s'", flavorTestFilePath, err.Error()))
	}

	flavorContainer := FlavorContainer{}
	err = json.NewDecoder(flavorTestFile).Decode(&flavorContainer)
	defer flavorTestFile.Close()
	if err != nil {
		t.Error(fmt.Errorf("Failed to decode JSON file %s: '%s'", flavorTestFilePath, err.Error()))
	}

	return
}

func Handler(response http.ResponseWriter, request *http.Request) {
	fmt.Println(request.Method)
	fmt.Println("Entrou no handler")
	fmt.Println(len(request.Cookies()))
	token, err := request.Cookie("token")
	fmt.Println(token.Value, err)
	data := url.Values{}
	data.Set("access_token", token.Value)
	//req = http.NewRequest("POST", "https://www.googleapis.com/oauth2/v1/tokeninfo", nil)
	resp, err := http.Post("https://www.googleapis.com/oauth2/v1/tokeninfo", "application/x-www-form-urlencoded", bytes.NewBufferString(data.Encode()))
	//req.Header.Set("Content-Type", "application/x-www-form-urlencoded; param="+token)
	//http.
	var retorno ValidaToken
	json.NewDecoder(resp.Body).Decode(&retorno)
	fmt.Println(retorno.Error, retorno.Email)

	switch request.Method {
	case "GET":
		provas := Provas()
		fmt.Println(provas)
		js, _ := json.MarshalIndent(provas, " ", "   ")
		response.Write(js)

	case "POST":
		var prova Prova
		json.NewDecoder(request.Body).Decode(&prova)
		err := Insere(&prova)
		fmt.Println(err)
	}
}

func (c *Client) Do(req *http.Request, v interface{}) (*http.Response, error) {
	resp, err := c.client.Do(req)
	if err != nil {
		return nil, err
	}

	defer resp.Body.Close()

	if resp.StatusCode > 299 {
		var errObject Error
		if err := json.NewDecoder(resp.Body).Decode(&errObject); err != nil {
			return resp, &ErrAPI{Response: resp}
		}

		return resp, &ErrAPI{
			Response: resp,
			Err:      &errObject,
		}
	}

	if v != nil {
		err = json.NewDecoder(resp.Body).Decode(v)
	}

	return resp, err
}

// Poll polls the Laika API for the latest Feature statuses, storing the results
// in the internal cache.
func (c *client) poll() error {
	req, err := http.NewRequest("GET", c.url.String(), nil)
	if err != nil {
		return err
	}

	req.SetBasicAuth(c.username, c.password)
	req.Header.Set("Content-Type", "application/json")

	res, err := http.DefaultClient.Do(req)
	if err != nil {
		return err
	}

	defer res.Body.Close()

	if res.StatusCode < 200 || res.StatusCode >= 300 {
		e := new(Error)
		if err := json.NewDecoder(res.Body).Decode(e); err != nil {
			return err
		}

		return errors.New(e.Message)
	}

	features := []*Feature{}
	if err := json.NewDecoder(res.Body).Decode(&features); err != nil {
		return err
	}

	c.features.AddAll(features)

	return nil
}

// handleResponse returns a filled in *oauth.Token given the *http.Response from
// a *http.Request created by buildRequest.
func handleResponse(r *http.Response) (*oauth.Token, error) {
	o := &oauth.Token{}
	defer r.Body.Close()
	if r.StatusCode != 200 {
		return o, errors.New("invalid response: " + r.Status)
	}
	b := &respBody{}
	err := json.NewDecoder(r.Body).Decode(b)
	if err != nil {
		return o, err
	}
	o.AccessToken = b.Access
	if b.IdToken != "" {
		// decode returned id token to get expiry
		o.AccessToken = b.IdToken
		s := strings.Split(b.IdToken, ".")
		if len(s) < 2 {
			return nil, errors.New("invalid token received")
		}
		d, err := base64Decode(s[1])
		if err != nil {
			return o, err
		}
		c := &ClaimSet{}
		err = json.NewDecoder(bytes.NewBuffer(d)).Decode(c)
		if err != nil {
			return o, err
		}
		o.Expiry = time.Unix(c.Exp, 0)
		return o, nil
	}
	o.Expiry = time.Now().Add(b.ExpiresIn * time.Second)
	return o, nil
}

func (c *Client) Me() (*User, error) {
	req := c.buildRequest("/users/me", nil)
	resp, err := c.Client.Do(req)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()
	if resp.StatusCode != http.StatusOK {
		var errjson errorResponse
		dec := json.NewDecoder(resp.Body)
		err = dec.Decode(&errjson)
		if err == nil {
			return nil, &errjson.ErrResponse
		}

		return nil, errors.New(resp.Status)
	}

	var userResponse User
	dec := json.NewDecoder(resp.Body)
	err = dec.Decode(&userResponse)
	if err != nil {
		return nil, err
	}
	return &userResponse, nil
}

func (s *HandlersSuite) TestAddNodeHandlerWithInvalidURLAddress(c *check.C) {
	config.Set("docker:cluster:redis-server", "127.0.0.1:6379")
	defer config.Unset("docker:cluster:redis-server")
	b := bytes.NewBufferString(`{"address": "/invalid", "pool": "pool1"}`)
	req, err := http.NewRequest("POST", "/docker/node?register=true", b)
	c.Assert(err, check.IsNil)
	rec := httptest.NewRecorder()
	err = addNodeHandler(rec, req, nil)
	c.Assert(err, check.IsNil)
	var result map[string]string
	err = json.NewDecoder(rec.Body).Decode(&result)
	c.Assert(err, check.IsNil)
	c.Assert(rec.Code, check.Equals, http.StatusBadRequest)
	c.Assert(result["error"], check.Matches, "Invalid address url: host cannot be empty")
	b = bytes.NewBufferString(`{"address": "xxx://abc/invalid", "pool": "pool1"}`)
	req, err = http.NewRequest("POST", "/docker/node?register=true", b)
	c.Assert(err, check.IsNil)
	rec = httptest.NewRecorder()
	err = addNodeHandler(rec, req, nil)
	c.Assert(err, check.IsNil)
	err = json.NewDecoder(rec.Body).Decode(&result)
	c.Assert(err, check.IsNil)
	c.Assert(rec.Code, check.Equals, http.StatusBadRequest)
	c.Assert(result["error"], check.Matches, `Invalid address url: scheme must be http\[s\]`)
}

func callRet(ret interface{}, resp *http.Response) (code int, err error) {
	defer resp.Body.Close()
	code = resp.StatusCode
	if code/100 == 2 {
		if ret != nil && resp.ContentLength != 0 {
			err = json.NewDecoder(resp.Body).Decode(ret)
			if err != nil {
				code = api.UnexceptedResponse
			}
		}
	} else {
		if resp.ContentLength != 0 {
			if ct, ok := resp.Header["Content-Type"]; ok && ct[0] == "application/json" {
				var ret1 ErrorRet
				json.NewDecoder(resp.Body).Decode(&ret1)
				if ret1.Error != "" {
					err = errors.New(ret1.Error)
					return
				}
			}
		}
		err = api.Errno(code)
	}
	return
}

func NewAccessToken(conf *OauthConfiguration, client *http.Client, code string) (string, string, StatusCode, error) {
	response, err := client.PostForm("https://accounts.google.com/o/oauth2/token", url.Values{
		"code":          {code},
		"client_id":     {conf.ClientId},
		"client_secret": {conf.ClientSecret},
		"redirect_uri":  {conf.RedirectUri},
		"grant_type":    {"authorization_code"},
	})
	if err != nil {
		return "", "", CannotConnect, err
	}
	defer response.Body.Close()
	if response.StatusCode >= 400 {
		oauthError := &OauthError{}
		err = json.NewDecoder(response.Body).Decode(oauthError)
		if err != nil {
			return "", "", CannotDeserialize, err
		}
		if response.StatusCode >= 500 {
			return "", "", ServerError, errors.New(oauthError.ErrorDescription)
		}
		if response.StatusCode == 401 || response.StatusCode == 403 {
			return "", "", Unauthorized, errors.New(oauthError.ErrorDescription)
		}
		return "", "", ApiError, errors.New(oauthError.ErrorDescription)
	}
	var self = new(OauthState)
	err = json.NewDecoder(response.Body).Decode(self)
	if err != nil {
		return "", "", CannotDeserialize, err
	}
	return self.RefreshToken, self.AccessToken, Ok, nil
}

// ExchangeAuthorizationForToken exchanges the short-lived authorization code for an access token
// you can use to authenticate your API calls.
func (s *OauthService) ExchangeAuthorizationForToken(authorization *ExchangeAuthorizationRequest) (*AccessToken, error) {
	path := versioned("/oauth/access_token")

	req, err := s.client.NewRequest("POST", path, authorization)
	if err != nil {
		return nil, err
	}

	resp, err := s.client.HttpClient.Do(req)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()

	if resp.StatusCode != 200 {
		errorResponse := &ExchangeAuthorizationError{}
		errorResponse.HttpResponse = resp
		json.NewDecoder(resp.Body).Decode(errorResponse)
		return nil, errorResponse
	}

	accessToken := &AccessToken{}
	err = json.NewDecoder(resp.Body).Decode(accessToken)

	return accessToken, err
}

func ReadConfig() (*Config, error) {
	homeDir := ""
	usr, err := user.Current()
	if err == nil {
		homeDir = usr.HomeDir
	}

	for _, path := range []string{"/etc/slackcat.conf", homeDir + "/.slackcat.conf", "./slackcat.conf"} {
		file, err := os.Open(path)
		if os.IsNotExist(err) {
			continue
		}
		if err != nil {
			return nil, err
		}

		json.NewDecoder(file)
		conf := Config{}
		err = json.NewDecoder(file).Decode(&conf)
		if err != nil {
			return nil, err
		}
		return &conf, nil
	}
	return &Config{}, nil
}

func ParseJson(jsonText string) interface{} {
	hash := map[string]string{}
	decoder := json.NewDecoder(strings.NewReader(jsonText))
	decoder.Decode(&hash)

	decoder = json.NewDecoder(strings.NewReader(jsonText))
	if _, hasKey := hash["friends"]; hasKey {
		friendList := FriendList{}
		decoder.Decode(&friendList)
		return &friendList
	} else if _, hasKey := hash["event"]; hasKey {
		return parseEvent(decoder, hash["event"])
	} else if _, hasKey := hash["delete"]; hasKey {
		deleteHash := map[string]map[string]*Delete{}
		decoder.Decode(&deleteHash)
		return deleteHash["delete"]["status"]
	} else if _, hasKey := hash["created_at"]; hasKey {
		tweet := twitter.Tweet{}
		decoder.Decode(&tweet)
		return &tweet
	} else if _, hasKey := hash["direct_message"]; hasKey {
		dm := Record{}
		decoder := json.NewDecoder(strings.NewReader(jsonText))
		decoder.Decode(&dm)
		//spew.Dump(dm)
		return &dm
	}
	return nil
}

func (c *client) do(req *http.Request, response interface{}) error {
	trace.DumpRequest(req)

	res, err := c.httpClient.Do(req)
	if err != nil {
		return err
	}
	defer res.Body.Close()

	trace.DumpResponse(res)

	if res.StatusCode == http.StatusUnauthorized {
		return Error{Type: "unauthorized", Message: "unauthorized"}
	}

	if res.StatusCode > 299 {
		errResponse := Error{}
		json.NewDecoder(res.Body).Decode(&errResponse)
		return errResponse
	}

	if response != nil {
		return json.NewDecoder(res.Body).Decode(response)
	}

	return nil
}

func (zip JSONMeddler) PostRead(fieldAddr, scanTarget interface{}) error {
	ptr := scanTarget.(*[]byte)
	if ptr == nil {
		return fmt.Errorf("JSONMeddler.PostRead: nil pointer")
	}
	raw := *ptr

	if zip {
		// un-gzip and decode json
		gzipReader, err := gzip.NewReader(bytes.NewReader(raw))
		if err != nil {
			return fmt.Errorf("Error creating gzip Reader: %v", err)
		}
		defer gzipReader.Close()
		jsonDecoder := json.NewDecoder(gzipReader)
		if err := jsonDecoder.Decode(fieldAddr); err != nil {
			return fmt.Errorf("JSON decoder/gzip error: %v", err)
		}
		if err := gzipReader.Close(); err != nil {
			return fmt.Errorf("Closing gzip reader: %v", err)
		}

		return nil
	}

	// decode json
	jsonDecoder := json.NewDecoder(bytes.NewReader(raw))
	if err := jsonDecoder.Decode(fieldAddr); err != nil {
		return fmt.Errorf("JSON decode error: %v", err)
	}

	return nil
}

// loadSpec loads the specification from the provided path.
// If the path is empty then the default path will be "config.json"
func loadSpec(cPath, rPath string) (spec *specs.LinuxSpec, rspec *specs.LinuxRuntimeSpec, err error) {
	cf, err := os.Open(cPath)
	if err != nil {
		if os.IsNotExist(err) {
			return nil, nil, fmt.Errorf("JSON specification file %s not found", cPath)
		}
		return spec, rspec, err
	}
	defer cf.Close()

	rf, err := os.Open(rPath)
	if err != nil {
		if os.IsNotExist(err) {
			return nil, nil, fmt.Errorf("JSON runtime config file %s not found", rPath)
		}
		return spec, rspec, err
	}
	defer rf.Close()

	if err = json.NewDecoder(cf).Decode(&spec); err != nil {
		return spec, rspec, err
	}
	if err = json.NewDecoder(rf).Decode(&rspec); err != nil {
		return spec, rspec, err
	}
	return spec, rspec, validateSpec(spec, rspec)
}