1package xml
 2
 3import (
 4	"encoding/xml"
 5	"fmt"
 6	"io"
 7)
 8
 9// ErrorComponents represents the error response fields
10// that will be deserialized from an xml error response body
11type ErrorComponents struct {
12	Code    string
13	Message string
14}
15
16// GetErrorResponseComponents returns the error fields from an xml error response body
17func GetErrorResponseComponents(r io.Reader, noErrorWrapping bool) (ErrorComponents, error) {
18	if noErrorWrapping {
19		var errResponse noWrappedErrorResponse
20		if err := xml.NewDecoder(r).Decode(&errResponse); err != nil && err != io.EOF {
21			return ErrorComponents{}, fmt.Errorf("error while deserializing xml error response: %w", err)
22		}
23		return ErrorComponents{
24			Code:    errResponse.Code,
25			Message: errResponse.Message,
26		}, nil
27	}
28
29	var errResponse wrappedErrorResponse
30	if err := xml.NewDecoder(r).Decode(&errResponse); err != nil && err != io.EOF {
31		return ErrorComponents{}, fmt.Errorf("error while deserializing xml error response: %w", err)
32	}
33	return ErrorComponents{
34		Code:    errResponse.Code,
35		Message: errResponse.Message,
36	}, nil
37}
38
39// noWrappedErrorResponse represents the error response body with
40// no internal <Error></Error wrapping
41type noWrappedErrorResponse struct {
42	Code    string `xml:"Code"`
43	Message string `xml:"Message"`
44}
45
46// wrappedErrorResponse represents the error response body
47// wrapped within <Error>...</Error>
48type wrappedErrorResponse struct {
49	Code    string `xml:"Error>Code"`
50	Message string `xml:"Error>Message"`
51}