open-consul/vendor/gopkg.in/resty.v1/response.go

151 lines
4.0 KiB
Go

// Copyright (c) 2015-2019 Jeevanandam M (jeeva@myjeeva.com), All rights reserved.
// resty source code and usage is governed by a MIT style
// license that can be found in the LICENSE file.
package resty
import (
"encoding/json"
"fmt"
"io"
"net/http"
"strings"
"time"
)
// Response is an object represents executed request and its values.
type Response struct {
Request *Request
RawResponse *http.Response
body []byte
size int64
receivedAt time.Time
}
// Body method returns HTTP response as []byte array for the executed request.
// Note: `Response.Body` might be nil, if `Request.SetOutput` is used.
func (r *Response) Body() []byte {
if r.RawResponse == nil {
return []byte{}
}
return r.body
}
// Status method returns the HTTP status string for the executed request.
// Example: 200 OK
func (r *Response) Status() string {
if r.RawResponse == nil {
return ""
}
return r.RawResponse.Status
}
// StatusCode method returns the HTTP status code for the executed request.
// Example: 200
func (r *Response) StatusCode() int {
if r.RawResponse == nil {
return 0
}
return r.RawResponse.StatusCode
}
// Result method returns the response value as an object if it has one
func (r *Response) Result() interface{} {
return r.Request.Result
}
// Error method returns the error object if it has one
func (r *Response) Error() interface{} {
return r.Request.Error
}
// Header method returns the response headers
func (r *Response) Header() http.Header {
if r.RawResponse == nil {
return http.Header{}
}
return r.RawResponse.Header
}
// Cookies method to access all the response cookies
func (r *Response) Cookies() []*http.Cookie {
if r.RawResponse == nil {
return make([]*http.Cookie, 0)
}
return r.RawResponse.Cookies()
}
// String method returns the body of the server response as String.
func (r *Response) String() string {
if r.body == nil {
return ""
}
return strings.TrimSpace(string(r.body))
}
// Time method returns the time of HTTP response time that from request we sent and received a request.
// See `response.ReceivedAt` to know when client recevied response and see `response.Request.Time` to know
// when client sent a request.
func (r *Response) Time() time.Duration {
return r.receivedAt.Sub(r.Request.Time)
}
// ReceivedAt method returns when response got recevied from server for the request.
func (r *Response) ReceivedAt() time.Time {
return r.receivedAt
}
// Size method returns the HTTP response size in bytes. Ya, you can relay on HTTP `Content-Length` header,
// however it won't be good for chucked transfer/compressed response. Since Resty calculates response size
// at the client end. You will get actual size of the http response.
func (r *Response) Size() int64 {
return r.size
}
// RawBody method exposes the HTTP raw response body. Use this method in-conjunction with `SetDoNotParseResponse`
// option otherwise you get an error as `read err: http: read on closed response body`.
//
// Do not forget to close the body, otherwise you might get into connection leaks, no connection reuse.
// Basically you have taken over the control of response parsing from `Resty`.
func (r *Response) RawBody() io.ReadCloser {
if r.RawResponse == nil {
return nil
}
return r.RawResponse.Body
}
// IsSuccess method returns true if HTTP status code >= 200 and <= 299 otherwise false.
func (r *Response) IsSuccess() bool {
return r.StatusCode() > 199 && r.StatusCode() < 300
}
// IsError method returns true if HTTP status code >= 400 otherwise false.
func (r *Response) IsError() bool {
return r.StatusCode() > 399
}
func (r *Response) fmtBodyString(sl int64) string {
if r.body != nil {
if int64(len(r.body)) > sl {
return fmt.Sprintf("***** RESPONSE TOO LARGE (size - %d) *****", len(r.body))
}
ct := r.Header().Get(hdrContentTypeKey)
if IsJSONType(ct) {
out := acquireBuffer()
defer releaseBuffer(out)
if err := json.Indent(out, r.body, "", " "); err == nil {
return out.String()
}
}
return r.String()
}
return "***** NO CONTENT *****"
}