traefik/vendor/github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests/acs_reqeust.go

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2018-09-14 08:06:03 +00:00
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package requests
import (
"fmt"
"github.com/aliyun/alibaba-cloud-sdk-go/sdk/errors"
"io"
"reflect"
"strconv"
)
const (
RPC = "RPC"
ROA = "ROA"
HTTP = "HTTP"
HTTPS = "HTTPS"
DefaultHttpPort = "80"
GET = "GET"
PUT = "PUT"
POST = "POST"
DELETE = "DELETE"
HEAD = "HEAD"
OPTIONS = "OPTIONS"
Json = "application/json"
Xml = "application/xml"
Raw = "application/octet-stream"
Form = "application/x-www-form-urlencoded"
Header = "Header"
Query = "Query"
Body = "Body"
Path = "Path"
HeaderSeparator = "\n"
)
// interface
type AcsRequest interface {
GetScheme() string
GetMethod() string
GetDomain() string
GetPort() string
GetRegionId() string
GetUrl() string
GetQueries() string
GetHeaders() map[string]string
GetQueryParams() map[string]string
GetFormParams() map[string]string
GetContent() []byte
GetBodyReader() io.Reader
GetStyle() string
GetProduct() string
GetVersion() string
GetActionName() string
GetAcceptFormat() string
GetLocationServiceCode() string
GetLocationEndpointType() string
SetStringToSign(stringToSign string)
GetStringToSign() string
SetDomain(domain string)
SetContent(content []byte)
SetScheme(scheme string)
BuildUrl() string
BuildQueries() string
addHeaderParam(key, value string)
addQueryParam(key, value string)
addFormParam(key, value string)
addPathParam(key, value string)
}
// base class
type baseRequest struct {
Scheme string
Method string
Domain string
Port string
RegionId string
product string
version string
actionName string
AcceptFormat string
QueryParams map[string]string
Headers map[string]string
FormParams map[string]string
Content []byte
locationServiceCode string
locationEndpointType string
queries string
stringToSign string
}
func (request *baseRequest) GetQueryParams() map[string]string {
return request.QueryParams
}
func (request *baseRequest) GetFormParams() map[string]string {
return request.FormParams
}
func (request *baseRequest) GetContent() []byte {
return request.Content
}
func (request *baseRequest) GetVersion() string {
return request.version
}
func (request *baseRequest) GetActionName() string {
return request.actionName
}
func (request *baseRequest) SetContent(content []byte) {
request.Content = content
}
func (request *baseRequest) addHeaderParam(key, value string) {
request.Headers[key] = value
}
func (request *baseRequest) addQueryParam(key, value string) {
request.QueryParams[key] = value
}
func (request *baseRequest) addFormParam(key, value string) {
request.FormParams[key] = value
}
func (request *baseRequest) GetAcceptFormat() string {
return request.AcceptFormat
}
func (request *baseRequest) GetLocationServiceCode() string {
return request.locationServiceCode
}
func (request *baseRequest) GetLocationEndpointType() string {
return request.locationEndpointType
}
func (request *baseRequest) GetProduct() string {
return request.product
}
func (request *baseRequest) GetScheme() string {
return request.Scheme
}
func (request *baseRequest) SetScheme(scheme string) {
request.Scheme = scheme
}
func (request *baseRequest) GetMethod() string {
return request.Method
}
func (request *baseRequest) GetDomain() string {
return request.Domain
}
func (request *baseRequest) SetDomain(host string) {
request.Domain = host
}
func (request *baseRequest) GetPort() string {
return request.Port
}
func (request *baseRequest) GetRegionId() string {
return request.RegionId
}
func (request *baseRequest) GetHeaders() map[string]string {
return request.Headers
}
func (request *baseRequest) SetContentType(contentType string) {
request.Headers["Content-Type"] = contentType
}
func (request *baseRequest) GetContentType() (contentType string, contains bool) {
contentType, contains = request.Headers["Content-Type"]
return
}
func (request *baseRequest) SetStringToSign(stringToSign string) {
request.stringToSign = stringToSign
}
func (request *baseRequest) GetStringToSign() string {
return request.stringToSign
}
func defaultBaseRequest() (request *baseRequest) {
request = &baseRequest{
Scheme: "",
AcceptFormat: "JSON",
Method: GET,
QueryParams: make(map[string]string),
Headers: map[string]string{
"x-sdk-client": "golang/1.0.0",
"x-sdk-invoke-type": "normal",
"Accept-Encoding": "identity",
},
FormParams: make(map[string]string),
}
return
}
func InitParams(request AcsRequest) (err error) {
requestValue := reflect.ValueOf(request).Elem()
err = flatRepeatedList(requestValue, request, "", "")
return
}
func flatRepeatedList(dataValue reflect.Value, request AcsRequest, position, prefix string) (err error) {
dataType := dataValue.Type()
for i := 0; i < dataType.NumField(); i++ {
field := dataType.Field(i)
name, containsNameTag := field.Tag.Lookup("name")
fieldPosition := position
if fieldPosition == "" {
fieldPosition, _ = field.Tag.Lookup("position")
}
typeTag, containsTypeTag := field.Tag.Lookup("type")
if containsNameTag {
if !containsTypeTag {
// simple param
key := prefix + name
value := dataValue.Field(i).String()
err = addParam(request, fieldPosition, key, value)
if err != nil {
return
}
} else if typeTag == "Repeated" {
// repeated param
repeatedFieldValue := dataValue.Field(i)
if repeatedFieldValue.Kind() != reflect.Slice {
// possible value: {"[]string", "*[]struct"}, we must call Elem() in the last condition
repeatedFieldValue = repeatedFieldValue.Elem()
}
if repeatedFieldValue.IsValid() && !repeatedFieldValue.IsNil() {
for m := 0; m < repeatedFieldValue.Len(); m++ {
elementValue := repeatedFieldValue.Index(m)
key := prefix + name + "." + strconv.Itoa(m+1)
if elementValue.Type().String() == "string" {
value := elementValue.String()
err = addParam(request, fieldPosition, key, value)
if err != nil {
return
}
} else {
err = flatRepeatedList(elementValue, request, fieldPosition, key+".")
if err != nil {
return
}
}
}
}
}
}
}
return
}
func addParam(request AcsRequest, position, name, value string) (err error) {
if len(value) > 0 {
switch position {
case Header:
request.addHeaderParam(name, value)
case Query:
request.addQueryParam(name, value)
case Path:
request.addPathParam(name, value)
case Body:
request.addFormParam(name, value)
default:
errMsg := fmt.Sprintf(errors.UnsupportedParamPositionErrorMessage, position)
err = errors.NewClientError(errors.UnsupportedParamPositionErrorCode, errMsg, nil)
}
}
return
}