github.com/aavshr/aws-sdk-go@v1.41.3/service/route53/unmarshal_error.go (about)

     1  package route53
     2  
     3  import (
     4  	"encoding/xml"
     5  	"fmt"
     6  
     7  	"github.com/aavshr/aws-sdk-go/aws/awserr"
     8  	"github.com/aavshr/aws-sdk-go/aws/request"
     9  	"github.com/aavshr/aws-sdk-go/private/protocol/xml/xmlutil"
    10  )
    11  
    12  const errorRespTag = "ErrorResponse"
    13  const invalidChangeTag = "InvalidChangeBatch"
    14  
    15  type standardXMLErrorResponse struct {
    16  	Code      string `xml:"Error>Code"`
    17  	Message   string `xml:"Error>Message"`
    18  	RequestID string `xml:"RequestId"`
    19  }
    20  
    21  func (e standardXMLErrorResponse) FillCommon(c *xmlErrorResponse) {
    22  	c.Code = e.Code
    23  	c.Message = e.Message
    24  	c.RequestID = e.RequestID
    25  }
    26  
    27  type invalidChangeBatchXMLErrorResponse struct {
    28  	Messages  []string `xml:"Messages>Message"`
    29  	RequestID string   `xml:"RequestId"`
    30  }
    31  
    32  func (e invalidChangeBatchXMLErrorResponse) FillCommon(c *xmlErrorResponse) {
    33  	c.Code = invalidChangeTag
    34  	c.Message = "ChangeBatch errors occurred"
    35  	c.Messages = e.Messages
    36  	c.RequestID = e.RequestID
    37  }
    38  
    39  type xmlErrorResponse struct {
    40  	Code      string
    41  	Message   string
    42  	Messages  []string
    43  	RequestID string
    44  }
    45  
    46  func (e *xmlErrorResponse) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
    47  	type commonFiller interface {
    48  		FillCommon(*xmlErrorResponse)
    49  	}
    50  
    51  	var errResp commonFiller
    52  	switch start.Name.Local {
    53  	case errorRespTag:
    54  		errResp = &standardXMLErrorResponse{}
    55  
    56  	case invalidChangeTag:
    57  		errResp = &invalidChangeBatchXMLErrorResponse{}
    58  
    59  	default:
    60  		return fmt.Errorf("unknown error message, %v", start.Name.Local)
    61  	}
    62  
    63  	if err := d.DecodeElement(errResp, &start); err != nil {
    64  		return err
    65  	}
    66  
    67  	errResp.FillCommon(e)
    68  	return nil
    69  }
    70  
    71  func unmarshalChangeResourceRecordSetsError(r *request.Request) {
    72  	defer r.HTTPResponse.Body.Close()
    73  
    74  	var errResp xmlErrorResponse
    75  	err := xmlutil.UnmarshalXMLError(&errResp, r.HTTPResponse.Body)
    76  	if err != nil {
    77  		r.Error = awserr.NewRequestFailure(
    78  			awserr.New(request.ErrCodeSerialization,
    79  				"failed to unmarshal error message", err),
    80  			r.HTTPResponse.StatusCode,
    81  			r.RequestID,
    82  		)
    83  		return
    84  	}
    85  
    86  	var baseErr awserr.Error
    87  	if len(errResp.Messages) != 0 {
    88  		var errs []error
    89  		for _, msg := range errResp.Messages {
    90  			errs = append(errs, awserr.New(invalidChangeTag, msg, nil))
    91  		}
    92  		baseErr = awserr.NewBatchError(errResp.Code, errResp.Message, errs)
    93  	} else {
    94  		baseErr = awserr.New(errResp.Code, errResp.Message, nil)
    95  	}
    96  
    97  	reqID := errResp.RequestID
    98  	if len(reqID) == 0 {
    99  		reqID = r.RequestID
   100  	}
   101  	r.Error = awserr.NewRequestFailure(
   102  		baseErr,
   103  		r.HTTPResponse.StatusCode,
   104  		reqID,
   105  	)
   106  }