[github/fretlink/terraform-provider-statuscake.git] / vendor / google.golang.org / appengine / errors.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)
}
Commit	Line	Data
107c1cdb ND	1	// Copyright 2011 Google Inc. All rights reserved.
	2	// Use of this source code is governed by the Apache 2.0
	3	// license that can be found in the LICENSE file.
	4
	5	// This file provides error functions for common API failure modes.
	6
	7	package appengine
	8
	9	import (
	10	"fmt"
	11
	12	"google.golang.org/appengine/internal"
	13	)
	14
	15	// IsOverQuota reports whether err represents an API call failure
	16	// due to insufficient available quota.
	17	func IsOverQuota(err error) bool {
	18	callErr, ok := err.(*internal.CallError)
	19	return ok && callErr.Code == 4
	20	}
	21
	22	// MultiError is returned by batch operations when there are errors with
	23	// particular elements. Errors will be in a one-to-one correspondence with
	24	// the input elements; successful elements will have a nil entry.
	25	type MultiError []error
	26
	27	func (m MultiError) Error() string {
	28	s, n := "", 0
	29	for _, e := range m {
	30	if e != nil {
	31	if n == 0 {
	32	s = e.Error()
	33	}
	34	n++
	35	}
	36	}
	37	switch n {
	38	case 0:
	39	return "(0 errors)"
	40	case 1:
	41	return s
	42	case 2:
	43	return s + " (and 1 other error)"
	44	}
	45	return fmt.Sprintf("%s (and %d other errors)", s, n-1)
	46	}