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// Copyright 2012-2015 Oliver Eilhard. All rights reserved.
// Use of this source code is governed by a MIT-license.
// See http://olivere.mit-license.org/license.txt for details.
package elastic
import (
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
)
var (
// ErrMissingIndex is returned e.g. from DeleteService if the index is missing.
ErrMissingIndex = errors.New("elastic: index is missing")
// ErrMissingType is returned e.g. from DeleteService if the type is missing.
ErrMissingType = errors.New("elastic: type is missing")
// ErrMissingId is returned e.g. from DeleteService if the document identifier is missing.
ErrMissingId = errors.New("elastic: id is missing")
)
func checkResponse(res *http.Response) error {
// 200-299 and 404 are valid status codes
if (res.StatusCode >= 200 && res.StatusCode <= 299) || res.StatusCode == http.StatusNotFound {
return nil
}
if res.Body == nil {
return fmt.Errorf("elastic: Error %d (%s)", res.StatusCode, http.StatusText(res.StatusCode))
}
slurp, err := ioutil.ReadAll(res.Body)
if err != nil {
return fmt.Errorf("elastic: Error %d (%s) when reading body: %v", res.StatusCode, http.StatusText(res.StatusCode), err)
}
errReply := new(Error)
err = json.Unmarshal(slurp, errReply)
if err != nil {
return fmt.Errorf("elastic: Error %d (%s)", res.StatusCode, http.StatusText(res.StatusCode))
}
if errReply != nil {
if errReply.Status == 0 {
errReply.Status = res.StatusCode
}
return errReply
}
return fmt.Errorf("elastic: Error %d (%s)", res.StatusCode, http.StatusText(res.StatusCode))
}
type Error struct {
Status int `json:"status"`
Message string `json:"error"`
}
func (e *Error) Error() string {
if e.Message != "" {
return fmt.Sprintf("elastic: Error %d (%s): %s", e.Status, http.StatusText(e.Status), e.Message)
} else {
return fmt.Sprintf("elastic: Error %d (%s)", e.Status, http.StatusText(e.Status))
}
}
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