DictionaryExamples.go

package main

import (
    "bytes"
    "encoding/json"
    "fmt"
    "log"
    "net/http"
    "net/url"
    "os"
)

func main() {
    /*
    * Read your subscription key from an env variable.
    * Please note: You can replace this code block with
    * var subscriptionKey = "YOUR_SUBSCRIPTION_KEY" if you don't
    * want to use env variables. If so, be sure to delete the "os" import.
    */
    if "" == os.Getenv("TRANSLATOR_TEXT_SUBSCRIPTION_KEY") {
      log.Fatal("Please set/export the environment variable TRANSLATOR_TEXT_SUBSCRIPTION_KEY.")
    }
    subscriptionKey := os.Getenv("TRANSLATOR_TEXT_SUBSCRIPTION_KEY")
    if "" == os.Getenv("TRANSLATOR_TEXT_ENDPOINT") {
      log.Fatal("Please set/export the environment variable TRANSLATOR_TEXT_ENDPOINT.")
    }
    endpoint := os.Getenv("TRANSLATOR_TEXT_ENDPOINT")
    uri := endpoint + "/dictionary/examples?api-version=3.0"
    /*
     * This calls our breakSentence function, which we'll
     * create in the next section. It takes a single argument,
     * the subscription key.
     */
    dictionaryExamples(subscriptionKey, uri)
}

func dictionaryExamples(subscriptionKey string, uri string) {
    // Build the request URL. See: https://golang.org/pkg/net/url/#example_URL_Parse
    u, _ := url.Parse(uri)
    q := u.Query()
    q.Add("from", "en")
    q.Add("to", "es")
    u.RawQuery = q.Encode()

    // Create an anonymous struct for your request body and encode it to JSON
    body := []struct {
        Text string
        Translation string
    }{
        {
          Text: "How are you? I am fine. What did you do today?",
          Translation: "¿Cómo estás? Estoy bien. ¿Qué hiciste hoy?",
        },
    }
    b, _ := json.Marshal(body)

    // Build the HTTP POST request
    req, err := http.NewRequest("POST", u.String(), bytes.NewBuffer(b))
    if err != nil {
        log.Fatal(err)
    }
    // Add required headers to the request
    req.Header.Add("Ocp-Apim-Subscription-Key", subscriptionKey)
    req.Header.Add("Content-Type", "application/json")

    // Call the Translator Text API
    res, err := http.DefaultClient.Do(req)
    if err != nil {
        log.Fatal(err)
    }

    // Decode the JSON response
    var result interface{}
    if err := json.NewDecoder(res.Body).Decode(&result); err != nil {
    	log.Fatal(err)
    }
    // Format and print the response to terminal
    prettyJSON, _ := json.MarshalIndent(result, "", "  ")
    fmt.Printf("%s\n", prettyJSON)
}