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      Language Detection

        Language Detection


        Article summary

        The latest service changes have not yet been reflected in this content. We will update the content as soon as possible. Please refer to the Korean version for information on the latest updates.

        Available in Classic and VPC

        Detect language

        This section describes a language detection example.

        Java

        The following is a Java-based sample code for the API.

        import java.io.BufferedReader;
        import java.io.DataOutputStream;
        import java.io.InputStreamReader;
        import java.net.HttpURLConnection;
        import java.net.URL;
        import java.net.URLEncoder;
        public class APIExamDetectLangs {
        
            public static void main(String[] args) {
                String clientId = "YOUR_CLIENT_ID";//Application's client ID value";
                String clientSecret = "YOUR_CLIENT_SECRET";//Application's client secret value";
                try {
                    String query = URLEncoder.encode("Nice to meet you.", "UTF-8");
                    String apiURL = "https://naveropenapi.apigw.ntruss.com/langs/v1/dect";
                    URL url = new URL(apiURL);
                    HttpURLConnection con = (HttpURLConnection)url.openConnection();
                    con.setRequestMethod("POST");
                    con.setRequestProperty("X-NCP-APIGW-API-KEY-ID", clientId);
                    con.setRequestProperty("X-NCP-APIGW-API-KEY", clientSecret);
                    // post request
                    String postParams = "query=" + query;
                    con.setDoOutput(true);
                    DataOutputStream wr = new DataOutputStream(con.getOutputStream());
                    wr.writeBytes(postParams);
                    wr.flush();
                    wr.close();
                    int responseCode = con.getResponseCode();
                    BufferedReader br;
                    if(responseCode==200) { // Successful call
                        br = new BufferedReader(new InputStreamReader(con.getInputStream()));
                    } else {  // Error occurred
                        br = new BufferedReader(new InputStreamReader(con.getErrorStream()));
                    }
                    String inputLine;
                    StringBuffer response = new StringBuffer();
                    while ((inputLine = br.readLine()) != null) {
                        response.append(inputLine);
                    }
                    br.close();
                    System.out.println(response.toString());
                } catch (Exception e) {
                    System.out.println(e);
                }
            }
        }
        Java

        Python

        The following is a Python-based sample code for the API.

        import os
        import sys
        import urllib.request
        client_id = "YOUR_CLIENT_ID"
        client_secret = "YOUR_CLIENT_SECRET"
        encQuery = urllib.parse.quote("Enter a sentence to detect the language for.")
        data = "query=" + encQuery
        url = "https://naveropenapi.apigw.ntruss.com/langs/v1/dect"
        request = urllib.request.Request(url)
        request.add_header("X-NCP-APIGW-API-KEY-ID",client_id)
        request.add_header("X-NCP-APIGW-API-KEY",client_secret)
        response = urllib.request.urlopen(request, data=data.encode("utf-8"))
        rescode = response.getcode()
        if(rescode==200):
            response_body = response.read()
            print(response_body.decode('utf-8'))
        else:
            print("Error Code:" + rescode)
        Python

        PHP

        The following is a PHP-based sample code for the API.

        <?php
          $client_id = "YOUR_CLIENT_ID";
          $client_secret = "YOUR_CLIENT_SECRET";
          $encQuery = urlencode("Nice to meet you.");
          $postvars = "query=".$encQuery;
          $url = "https://naveropenapi.apigw.ntruss.com/langs/v1/dect";
          $is_post = true;
          $ch = curl_init();
          curl_setopt($ch, CURLOPT_URL, $url);
          curl_setopt($ch, CURLOPT_POST, $is_post);
          curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
          curl_setopt($ch,CURLOPT_POSTFIELDS, $postvars);
          $headers = array();
          $headers[] = "X-NCP-APIGW-API-KEY-ID: ".$client_id;
          $headers[] = "X-NCP-APIGW-API-KEY: ".$client_secret;
          curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
          $response = curl_exec ($ch);
          $status_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
          echo "status_code:".$status_code."<br />";
          curl_close ($ch);
          if($status_code == 200) {
            echo $response;
          } else {
            echo "Error content:".$response;
          }
        ?>
        PHP

        JavaScript

        The following is a JavaScript-based sample code for the API.

        var express = require('express');
        var app = express();
        var client_id = 'YOUR_CLIENT_ID';
        var client_secret = 'YOUR_CLIENT_SECRET';
        var query = "Enter a sentence to detect the language for.";
        app.get('/detectLangs', function (req, res) {
           var api_url = 'https://naveropenapi.apigw.ntruss.com/langs/v1/dect';
           var request = require('request');
           var options = {
               url: api_url,
               form: {'query': query},
               headers: {'X-NCP-APIGW-API-KEY-ID':client_id, 'X-NCP-APIGW-API-KEY': client_secret}
            };
           request.post(options, function (error, response, body) {
             if (!error && response.statusCode == 200) {
               res.writeHead(200, {'Content-Type': 'text/json;charset=utf-8'});
               res.end(body);
             } else {
               res.status(response.statusCode).end();
               console.log('error = ' + response.statusCode);
             }
           });
         });
         app.listen(3000, function () {
           console.log('http://127.0.0.1:3000/detectLangs app listening on port 3000!');
         });
        JavaScript

        C#

        The following is a C#-based sample code for the API.

        using System;
        using System.Net;
        using System.Text;
        using System.IO;
        
        namespace NaverAPI_Guide
        {
            public class APIExamDetectLangs
            {
                static void Main(string[] args)
                {
                    string url = "https://naveropenapi.apigw.ntruss.com/langs/v1/dect";
                    HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
                    request.Headers.Add("X-NCP-APIGW-API-KEY-ID", "YOUR-CLIENT-ID");
                    request.Headers.Add("X-NCP-APIGW-API-KEY", "YOUR-CLIENT-SECRET");
                    request.Method = "POST";
                    string query = "How's the weather today?";
                    byte[] byteDataParams = Encoding.UTF8.GetBytes("query=" + query);
                    request.ContentType = "application/x-www-form-urlencoded";
                    request.ContentLength = byteDataParams.Length;
                    Stream st = request.GetRequestStream();
                    st.Write(byteDataParams, 0, byteDataParams.Length);
                    st.Close();
                    HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                    Stream stream = response.GetResponseStream();
                    StreamReader reader = new StreamReader(stream, Encoding.UTF8);
                    string text = reader.ReadToEnd();
                    stream.Close();
                    response.Close();
                    reader.Close();
                    Console.WriteLine(text);
                }
            }
        }
        Plain text

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