traefik/vendor/github.com/aliyun/alibaba-cloud-sdk-go/sdk/utils/utils.go

118 lines
3 KiB
Go
Raw Normal View History

2018-09-14 08:06:03 +00:00
/*
* 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 (
"crypto/md5"
"encoding/base64"
"encoding/hex"
"encoding/json"
"fmt"
"github.com/satori/go.uuid"
"net/url"
"reflect"
"strconv"
"time"
)
// if you use go 1.10 or higher, you can hack this util by these to avoid "TimeZone.zip not found" on Windows
var LoadLocationFromTZData func(name string, data []byte) (*time.Location, error) = nil
var TZData []byte = nil
func GetUUIDV4() (uuidHex string) {
uuidV4 := uuid.NewV4()
uuidHex = hex.EncodeToString(uuidV4.Bytes())
return
}
func GetMD5Base64(bytes []byte) (base64Value string) {
md5Ctx := md5.New()
md5Ctx.Write(bytes)
md5Value := md5Ctx.Sum(nil)
base64Value = base64.StdEncoding.EncodeToString(md5Value)
return
}
func GetGMTLocation() (*time.Location, error) {
if LoadLocationFromTZData != nil && TZData != nil {
return LoadLocationFromTZData("GMT", TZData)
} else {
return time.LoadLocation("GMT")
}
}
func GetTimeInFormatISO8601() (timeStr string) {
gmt, err := GetGMTLocation()
if err != nil {
panic(err)
}
return time.Now().In(gmt).Format("2006-01-02T15:04:05Z")
}
func GetTimeInFormatRFC2616() (timeStr string) {
gmt, err := GetGMTLocation()
if err != nil {
panic(err)
}
return time.Now().In(gmt).Format("Mon, 02 Jan 2006 15:04:05 GMT")
}
func GetUrlFormedMap(source map[string]string) (urlEncoded string) {
urlEncoder := url.Values{}
for key, value := range source {
urlEncoder.Add(key, value)
}
urlEncoded = urlEncoder.Encode()
return
}
func GetFromJsonString(jsonString, key string) (result string, err error) {
var responseMap map[string]*json.RawMessage
err = json.Unmarshal([]byte(jsonString), &responseMap)
if err != nil {
return
}
fmt.Println(string(*responseMap[key]))
err = json.Unmarshal(*responseMap[key], &result)
return
}
func InitStructWithDefaultTag(bean interface{}) {
configType := reflect.TypeOf(bean)
for i := 0; i < configType.Elem().NumField(); i++ {
field := configType.Elem().Field(i)
defaultValue := field.Tag.Get("default")
if defaultValue == "" {
continue
}
setter := reflect.ValueOf(bean).Elem().Field(i)
switch field.Type.String() {
case "int":
intValue, _ := strconv.ParseInt(defaultValue, 10, 64)
setter.SetInt(intValue)
case "time.Duration":
intValue, _ := strconv.ParseInt(defaultValue, 10, 64)
setter.SetInt(intValue)
case "string":
setter.SetString(defaultValue)
case "bool":
boolValue, _ := strconv.ParseBool(defaultValue)
setter.SetBool(boolValue)
}
}
}