forked from TrueCloudLab/restic
46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
// Copyright 2011 Google Inc. All rights reserved.
|
|
// Use of this source code is governed by the Apache 2.0
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// This file provides error functions for common API failure modes.
|
|
|
|
package appengine
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"google.golang.org/appengine/internal"
|
|
)
|
|
|
|
// IsOverQuota reports whether err represents an API call failure
|
|
// due to insufficient available quota.
|
|
func IsOverQuota(err error) bool {
|
|
callErr, ok := err.(*internal.CallError)
|
|
return ok && callErr.Code == 4
|
|
}
|
|
|
|
// MultiError is returned by batch operations when there are errors with
|
|
// particular elements. Errors will be in a one-to-one correspondence with
|
|
// the input elements; successful elements will have a nil entry.
|
|
type MultiError []error
|
|
|
|
func (m MultiError) Error() string {
|
|
s, n := "", 0
|
|
for _, e := range m {
|
|
if e != nil {
|
|
if n == 0 {
|
|
s = e.Error()
|
|
}
|
|
n++
|
|
}
|
|
}
|
|
switch n {
|
|
case 0:
|
|
return "(0 errors)"
|
|
case 1:
|
|
return s
|
|
case 2:
|
|
return s + " (and 1 other error)"
|
|
}
|
|
return fmt.Sprintf("%s (and %d other errors)", s, n-1)
|
|
}
|