reg/vendor/github.com/coreos/clair/pkg/commonerr/errors.go
Jess Frazelle f180c93a39
update vendor
Signed-off-by: Jess Frazelle <acidburn@jessfraz.com>
2019-09-16 13:36:44 -07:00

68 lines
2 KiB
Go

// Copyright 2017 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package commonerr defines reusable error types common throughout the Clair
// codebase.
package commonerr
import (
"errors"
"fmt"
"strings"
)
var (
// ErrFilesystem occurs when a filesystem interaction fails.
ErrFilesystem = errors.New("something went wrong when interacting with the fs")
// ErrCouldNotDownload occurs when a download fails.
ErrCouldNotDownload = errors.New("could not download requested resource")
// ErrNotFound occurs when a resource could not be found.
ErrNotFound = errors.New("the resource cannot be found")
// ErrCouldNotParse is returned when a fetcher fails to parse the update data.
ErrCouldNotParse = errors.New("updater/fetchers: could not parse")
)
// ErrBadRequest occurs when a method has been passed an inappropriate argument.
type ErrBadRequest struct {
s string
}
// NewBadRequestError instantiates a ErrBadRequest with the specified message.
func NewBadRequestError(message string) error {
return &ErrBadRequest{s: message}
}
func (e *ErrBadRequest) Error() string {
return e.s
}
// CombineErrors merges a slice of errors into one separated by ";". If all
// errors are nil, return nil.
func CombineErrors(errs ...error) error {
errStr := []string{}
for i, err := range errs {
if err != nil {
errStr = append(errStr, fmt.Sprintf("[%d] %s", i, err.Error()))
}
}
if len(errStr) != 0 {
return errors.New(strings.Join(errStr, ";"))
}
return nil
}