71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
package query
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import (
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"encoding/xml"
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"fmt"
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"strings"
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"github.com/aws/aws-sdk-go/aws/awserr"
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"github.com/aws/aws-sdk-go/aws/request"
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"github.com/aws/aws-sdk-go/private/protocol/xml/xmlutil"
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)
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// UnmarshalErrorHandler is a name request handler to unmarshal request errors
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var UnmarshalErrorHandler = request.NamedHandler{Name: "awssdk.query.UnmarshalError", Fn: UnmarshalError}
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type xmlErrorResponse struct {
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Code string `xml:"Error>Code"`
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Message string `xml:"Error>Message"`
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RequestID string `xml:"RequestId"`
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}
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type xmlResponseError struct {
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xmlErrorResponse
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}
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func (e *xmlResponseError) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
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const svcUnavailableTagName = "ServiceUnavailableException"
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const errorResponseTagName = "ErrorResponse"
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switch start.Name.Local {
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case svcUnavailableTagName:
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e.Code = svcUnavailableTagName
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e.Message = "service is unavailable"
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return d.Skip()
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case errorResponseTagName:
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return d.DecodeElement(&e.xmlErrorResponse, &start)
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default:
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return fmt.Errorf("unknown error response tag, %v", start)
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}
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}
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// UnmarshalError unmarshals an error response for an AWS Query service.
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func UnmarshalError(r *request.Request) {
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defer r.HTTPResponse.Body.Close()
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var respErr xmlResponseError
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err := xmlutil.UnmarshalXMLError(&respErr, r.HTTPResponse.Body)
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if err != nil {
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r.Error = awserr.NewRequestFailure(
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awserr.New(request.ErrCodeSerialization,
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"failed to unmarshal error message", err),
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r.HTTPResponse.StatusCode,
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r.RequestID,
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)
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return
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}
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reqID := respErr.RequestID
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if len(reqID) == 0 {
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reqID = r.RequestID
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}
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r.Error = awserr.NewRequestFailure(
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awserr.New(strings.TrimSpace(respErr.Code), strings.TrimSpace(respErr.Message), nil),
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r.HTTPResponse.StatusCode,
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reqID,
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)
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}
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