问如何将java注解转换成go代码？

EN

package main

import (
    "bytes"
    "encoding/json"
    "fmt"
    "io/ioutil"
    "net/http"
    "strconv"
    "time"
)

func getBody(method string, Id string, auth string, body []byte,timeStamp int64) ([]byte, error) {

    url := "****************"+Id+"***********"+strconv.FormatInt(timeStamp,10)
    client := &http.Client{}
    req, err := http.NewRequest(method, url, bytes.NewReader(body))

    if err != nil {
        return nil, err
    }

    var header = make(map[string]string,2)
    header["Accept"]="*******************"
    header["Authorization"]=auth

    for key, value := range header {
        req.Header.Add(key, value)
    }

    res, err := client.Do(req)
    defer res.Body.Close()

    if err != nil {
        return nil, err
    }

    var bodyBytes []byte

    if res.StatusCode == 200 {
        bodyBytes, err = ioutil.ReadAll(res.Body)
    } else if err != nil {
        return nil, err
    } else {
        return nil, fmt.Errorf("The remote end did not return a HTTP 200 (OK) response.")
    }

    return bodyBytes, nil

}

func main() {

    method := "GET"
    auth:="************"
    var timeStamp int64 = 1441689793403
    Id:="***********"
    fmt.Println(timeStamp)
    var cs int64 = time.Now().UnixNano()/1000000
    for{
        cs = time.Now().UnixNano()/1000000
        bodyBytes, err := getBody(method, Id, auth, nil,timeStamp)
        if err != nil {
            fmt.Errorf("unable to retrieve the response body from the Glance API server: %v", err)
        }

        var obj []interface{}
        err = json.Unmarshal(bodyBytes, &obj)

        if err != nil {
            fmt.Errorf("unable to parse the JSON response:", err)
        }

        for i,_:=range obj{
            m := obj[i].(map[string]interface{})
            fmt.Println(m["text"])

         /* @OnKeyWord("hi")
          public void HelloWorld(TeamchatAPI api) {
          System.out.println("Hello word");
                );  */


        }

        timeStamp = cs
    }
}