iot_server/internal/pkg/utils/file.go

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2023-08-28 06:49:44 +00:00
/*******************************************************************************
* Copyright 2017 Dell Inc.
* Copyright (c) 2019 Intel Corporation
*
* 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 utils
import (
"encoding/json"
"fmt"
"github.com/winc-link/hummingbird/internal/pkg/errort"
"io/ioutil"
"os"
"regexp"
)
func CreateDirIfNotExist(filePath string) error {
if !FilePathIsExist(filePath) {
err := os.MkdirAll(filePath, os.ModePerm)
return err
}
return nil
}
func FilePathIsExist(path string) bool {
_, err := os.Stat(path) //os.Stat获取文件信息
if err != nil {
if os.IsExist(err) {
return true
}
return false
}
return true
}
func RemoveFileOrDir(path string) error {
if FilePathIsExist(path) {
return os.RemoveAll(path)
}
return nil
}
// 检查文件名是有效-是否有/ \等
func CheckFileValid(fileName string) bool {
pattern := `\\|\/`
match, _ := regexp.MatchString(pattern, fileName)
if match {
return false
}
return true
}
func GetPwdDir() string {
dir, _ := os.Getwd()
return dir
}
func ReadJsonFile(filepath string) ([]byte, error) {
f, err := os.Open(filepath)
if err != nil {
return []byte{}, err
}
defer f.Close()
config, err := ioutil.ReadAll(f)
if err != nil {
return []byte{}, err
}
if !json.Valid(config) {
return []byte{}, errort.NewCommonErr(errort.DefaultJsonParseError, fmt.Errorf("body is invalid json"))
}
return config, nil
}