117 lines
3 KiB
Go
117 lines
3 KiB
Go
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package utils
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import (
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"crypto/md5"
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"encoding/base64"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"github.com/satori/go.uuid"
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"net/url"
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"reflect"
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"strconv"
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"time"
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)
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// if you use go 1.10 or higher, you can hack this util by these to avoid "TimeZone.zip not found" on Windows
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var LoadLocationFromTZData func(name string, data []byte) (*time.Location, error) = nil
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var TZData []byte = nil
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func GetUUIDV4() (uuidHex string) {
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uuidV4 := uuid.NewV4()
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uuidHex = hex.EncodeToString(uuidV4.Bytes())
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return
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}
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func GetMD5Base64(bytes []byte) (base64Value string) {
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md5Ctx := md5.New()
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md5Ctx.Write(bytes)
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md5Value := md5Ctx.Sum(nil)
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base64Value = base64.StdEncoding.EncodeToString(md5Value)
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return
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}
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func GetGMTLocation() (*time.Location, error) {
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if LoadLocationFromTZData != nil && TZData != nil {
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return LoadLocationFromTZData("GMT", TZData)
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} else {
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return time.LoadLocation("GMT")
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}
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}
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func GetTimeInFormatISO8601() (timeStr string) {
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gmt, err := GetGMTLocation()
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if err != nil {
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panic(err)
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}
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return time.Now().In(gmt).Format("2006-01-02T15:04:05Z")
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}
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func GetTimeInFormatRFC2616() (timeStr string) {
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gmt, err := GetGMTLocation()
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if err != nil {
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panic(err)
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}
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return time.Now().In(gmt).Format("Mon, 02 Jan 2006 15:04:05 GMT")
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}
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func GetUrlFormedMap(source map[string]string) (urlEncoded string) {
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urlEncoder := url.Values{}
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for key, value := range source {
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urlEncoder.Add(key, value)
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}
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urlEncoded = urlEncoder.Encode()
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return
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}
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func GetFromJsonString(jsonString, key string) (result string, err error) {
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var responseMap map[string]*json.RawMessage
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err = json.Unmarshal([]byte(jsonString), &responseMap)
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if err != nil {
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return
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}
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fmt.Println(string(*responseMap[key]))
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err = json.Unmarshal(*responseMap[key], &result)
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return
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}
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func InitStructWithDefaultTag(bean interface{}) {
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configType := reflect.TypeOf(bean)
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for i := 0; i < configType.Elem().NumField(); i++ {
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field := configType.Elem().Field(i)
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defaultValue := field.Tag.Get("default")
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if defaultValue == "" {
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continue
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}
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setter := reflect.ValueOf(bean).Elem().Field(i)
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switch field.Type.String() {
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case "int":
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intValue, _ := strconv.ParseInt(defaultValue, 10, 64)
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setter.SetInt(intValue)
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case "time.Duration":
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intValue, _ := strconv.ParseInt(defaultValue, 10, 64)
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setter.SetInt(intValue)
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case "string":
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setter.SetString(defaultValue)
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case "bool":
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boolValue, _ := strconv.ParseBool(defaultValue)
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setter.SetBool(boolValue)
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}
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}
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}
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