never search api 적용하기 - 자바

Never Search API 적용하기

1. 테스트 코드 / 실행 코드

    
   package com.naver.api.service;
   ​
   import org.apache.catalina.util.URLEncoder;
   import org.slf4j.Logger;
   import org.slf4j.LoggerFactory;
   import org.springframework.stereotype.Service;
   ​
   import javax.transaction.Transactional;
   import java.io.UnsupportedEncodingException;
   ​
   @Service
   @Transactional
   public class NaverApiService {
       Logger logger = LoggerFactory.getLogger(NaverApiService.class);
   ​
       public String getData(String query) {
           String uri = "https://openapi.naver.com/v1/search/blog.xml";
           String result = "";
           try{
               uri += "?query=" + query;
               NaverParse naverAPI = new NaverParse();
               result = naverAPI.parse(uri);
   ​
               logger.info("uri:{}", uri);
               logger.info("xml:{}", result);
               logger.info("json:{}", naverAPI.xml2json(result));
           }catch(Exception e){
               e.printStackTrace();
           }
           return result;
       }
   }
   ​
   

    
   package com.naver.api.service;
   ​
   import org.apache.http.HttpResponse;
   import org.apache.http.client.HttpClient;
   import org.apache.http.client.methods.HttpGet;
   import org.apache.http.impl.client.HttpClientBuilder;
   import org.apache.http.util.EntityUtils;
   import org.json.JSONException;
   import org.json.JSONObject;
   import org.json.XML;
   import org.slf4j.Logger;
   import org.slf4j.LoggerFactory;
   import org.w3c.dom.Element;
   import org.w3c.dom.NodeList;
   ​
   import javax.transaction.Transactional;
   import javax.xml.parsers.DocumentBuilderFactory;
   import java.io.IOException;
   ​
   @Transactional
   public class NaverParse {
   ​
       protected String parse(String url){
           String clientId = "client_id";//본인발급내용
           String clientSecret = "client_secret";//본인발급내용
           String xml = "";
   ​
           HttpClient client = HttpClientBuilder.create().build();
           HttpGet request = new HttpGet(url);
   ​
           request.addHeader("X-Naver-Client-Id", clientId);
           request.addHeader("X-Naver-Client-Secret", clientSecret);
           try {
               HttpResponse response = client.execute(request);
               xml = EntityUtils.toString(response.getEntity());
           } catch (IOException e) {
               e.printStackTrace();
           }
           return xml;
       }
   ​
       protected static String xml2json(String xml){
           int PRETTY_PRINT_INDENT_FACTOR = 4;
           String json = "";
           JSONObject xmlJSONObj = null;
           try {
               xmlJSONObj = XML.toJSONObject(xml);
               json = xmlJSONObj.toString(PRETTY_PRINT_INDENT_FACTOR);
           } catch (JSONException e) {
               e.printStackTrace();
           }
           return json;
       }
   }
   ​

   package com.naver.api.service;
   ​
   import org.junit.Test;
   import org.springframework.beans.factory.annotation.Autowired;
   ​
   import static org.junit.Assert.*;
   ​
   public class NaverApiServiceTest {
   ​
       @Test
       public void testGetData() throws Exception {
           NaverApiService ns = new NaverApiService();
           String query = "tesla";
           ns.getData(query);
           query = "누진제";
           ns.getData(query);
       }
   }