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Framework/Spring

[Spring] Model2 방식으로 Google Translate API 활용하기

NavyGuy 2016. 6. 29. 16:21







1 . google api 검색 후 Google API 콘솔이라는 사이트로 입장




2 . 많은 API를 제공하지만 Translate API ( 번역 )를 사용해볼 것임



3 . API 키를 생성 해야됨



4 . 브라우저 키로 생성 


5 . API키를 발급 받음 




6. 이제 코드작성..!! 메이븐으로 필요한 라이브러리 세팅 

( JSON 으로 받아오기 때문에 json-simple 라이브러리 및 spring 관련 라이브러리 추가 ... )



TranslateController.java

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package controller;
 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;
 
import service.TranslateService;
 
@Controller
public class TranslateController {
    @Autowired
    private TranslateService tService;
    
    @RequestMapping("trans.do")
    public ModelAndView trans(@RequestParam(required=false) String text, String source, String target){
        ModelAndView mav = new ModelAndView();
        
        if(text!= null){
            mav.addObject("result", tService.TranslateService(text, source, target));
        }
        mav.setViewName("trans");
        return mav;
    }
    
}
 
cs


TranslateService.java

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package service;
 
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
 
import org.apache.http.HttpResponse;
import org.apache.http.ParseException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.springframework.stereotype.Service;
 
@Service
public class TranslateService {
    
    public String TranslateService(String text, String source, String target){
        String key = "AIzaSyCAbRDD_kZDP8WYeXwv19SCFUOpb8Lciso"; // API 키
        HttpClient client = new DefaultHttpClient();
        URI uri;
        String result = null;
        JSONArray jsonArray = null;
        JSONObject jsonObject = null;
        JSONObject jsonObject2 = null;
        JSONObject jsonObject3 = null;
        try {
            uri = new URIBuilder("https://www.googleapis.com/language/translate/v2")
            .addParameter("key", key)
            .addParameter("q", text)
            .addParameter("source", source)
            .addParameter("target", target)
            .build();
            HttpGet httpGet = new HttpGet(uri);
            HttpResponse resp = client.execute(httpGet);
            result = EntityUtils.toString(resp.getEntity(), "UTF-8");
            
            JSONParser parser = new JSONParser();
            jsonObject = (JSONObject)parser.parse(result);
            jsonObject2 = (JSONObject)jsonObject.get("data");
            jsonArray = (JSONArray) jsonObject2.get("translations");
            jsonObject3 = (JSONObject) jsonArray.get(0);
            
            
        } catch (URISyntaxException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (ParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (org.json.simple.parser.ParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        
        String r = (String) jsonObject3.get("translatedText");
        return r;
    }
}
 
cs



Trans.jsp

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<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
    <center>
        <form action="trans.do">
            <tr>
                <td><input type="text" name="text"> 
                <select name="source" size="1">
                <option value="ko" >한국어</option>
                <option value="en" seleted>영어</option>
            </select> <br><br> <input
                    type="submit" value="번역"></td>
            </tr>
 
 
 
 
            <br> <br> <br> <br> <br> 번역결과 
            <select name="target" size="1">
                <option value="ko" seleted>한국어</option>
                <option value="en" >영어</option>
            </select> <br>
            <textarea rows="2" cols="20">${result }</textarea>
 
 
 
        </form>
    </center>
</body>
</html>
cs



web.xml

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<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://xmlns.jcp.org/xml/ns/javaee"
    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
    id="WebApp_ID" version="3.1">
    <display-name>Spring-Google-Translate</display-name>
    <welcome-file-list>
        <welcome-file>index.html</welcome-file>
        <welcome-file>index.htm</welcome-file>
        <welcome-file>index.jsp</welcome-file>
        <welcome-file>default.html</welcome-file>
        <welcome-file>default.htm</welcome-file>
        <welcome-file>default.jsp</welcome-file>
    </welcome-file-list>
    <servlet>
        <servlet-name>dispatcher</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>dispatcher</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>
 
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
 
    </listener>
</web-app>
cs



applicationContext.xml

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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd">
    <context:component-scan base-package="service"/>
 
</beans>
 
cs


dispatcher-servlet.xml

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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd">
    <context:component-scan base-package="controller"/>
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="suffix" value=".jsp"/>
        <property name="prefix" value="jsp/"/>
    </bean>
</beans>
 
cs




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