메모하는 습관

spring기반 json + ajax 처리

mappingJacksonHttpMessageConverter는 @ResponseBody, @RequestBody 어노테이션 사용시 JSON String을 javaClass(get, set)에 자동으로 맵핑이 되도록 변환을 해주는 스프링 애너테이션입니다.

우선 MappingJacksonHttpMessageConverter 관련 bean 설정이 필요합니다.

-board-servlet.xml

<bean id=jacksonMessageConverter class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter ">
</bean> 
<bean class=org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter> 
	<property name="messageConverters"> 
		<list> 
			<ref bean="jacksonMessageConverter" /> 
		</list> 
	</property> 
</bean>

@RequestBody는 클라이언트에서 jsonObject로 전송되는 파라미터를 자동으로 javaClass 형식으로 변환한다. (UserBean Class 는 클라이언트에서 받을 파라미터를 get, set 으로 작성하면, bean에 등록된 massageConverters에서 자동으로 javaClass 형식에 맞게 컨버팅이 이뤄진다.)

@ResponseBody는 클라이언요청을 서버에서 처리 후 메소드가 리턴하는 오브젝트를 messageConverters를 통해 json 형태로 변환하여 리턴해주는 역활을 한다.

-UserController.java

  @RequestMapping(value="getLoginCheck.ajax", method=RequestMethod.POST) 
  public @ResponseBody UserBean loginCheck(@RequestBody UserBean userBean){ 	
  	logger.info("userBeanD.getJ_username(){}", userBean.getJ_username()); 	
  	userBean = userService.getUsers(userBean.getJ_username()); 	 	
  	return userBean; 
  }

ajax 통신을 위해 jquery ajax method 설정을 아래와 같이 jQuery로 선언해준다.

var _param = {j_username:$("#j_username").val(), j_password:$("#j_password").val()};

_data = JSON2.stringify(_param); //jsonString으로 변환

_url = "localhost:8080/login/getLoginCheck.ajax";

-common.js

$.ajax({   
	type : 'POST',   
    url : _url,   
    cache: false,   
    dataType: "json",   
    data: _data,      
    processData: false,   
    contentType: "application/json; 
    charset=utf-8",    
    success : function(data, status){       
    	console.log("status:"+status+","+"data:"+data);       
        alert(data.nm);    
    },   
    error: function(request, status, error){       
    	//alert("loading error:" + request.status);       
        console.log("code : " +  request.statusText  + "\r\nmessage : " + request.responseText);     
    } 
});

$.ajax({
	type: 'POST',
	url: _url,
	cache: false,
	dataType: "json",
	data: _data,   
	processData: true,
	contentType: "application/json; charset=utf-8", 
	success: function(data, status){
	},
	error: function(request, status, error){
	}
});

Spring AOP 메서드 추적 Flow

Spring AOP를 활용한 메소드 흐름을 로깅한 로직을 정리합니다.

<!-- spring aspect --> 
<bean id="loggingAspect" class="com.zz.framework.support.aspect.LoggingAspect" /> 
	<aop:config proxy-target-class="true"> 	
    <aop:aspect id="aspectLoggging" ref="loggingAspect"> 		
    	<aop:pointcut id="servicePointcut" expression="execution(* *..*.service.*Service*.*(..))" /> 		
    	<aop:around method="logAround" pointcut-ref="servicePointcut"  /> 	
    </aop:aspect> 
</aop:config>

public class LoggingAspect { 	
	private static final Logger logger = LoggerFactory.getLogger(LoggingAspect.class);
    
    public void logBefore(JoinPoint joinPoint) { 		
    	logger.debug("logBefore()"); 	
    }  	
    
    public void logAfter(JoinPoint joinPoint) { 		
    	logger.debug("logAfter()"); 	
    }  	
    
    /** 	 
    * 메소드 별 로그 앞뒤로 남기기 	 
    * @param joinPoint 	 
    * @return 	 
    * @throws Throwable 	 
    * @auther jp1020 2014. 1. 15. 	 
    */  	
    public Object logAround(ProceedingJoinPoint joinPoint) throws Throwable { 		
    	Object thisObj = joinPoint.getTarget(); 		
        String className = thisObj.getClass().getName(); 		
        Object[] args = joinPoint.getArgs(); 		
        long currentTime = System.currentTimeMillis();  		
      
        if(logger.isDebugEnabled()) { 			
        	logger.debug("================================================="); 			
        	logger.debug(">>>>>>>>> LOGGING START >>>>>>>>>>"); 			
            logger.debug("[class]:" + className); 			
            logger.debug("[method]:" + joinPoint.getSignature().getName() + "()"); 	
        }  		
        
        Object returnObj = joinPoint.proceed(); 		
        
        if(logger.isDebugEnabled()) { 			
        	logger.debug("[class]:" + className); 			
            logger.debug("[method]:" + joinPoint.getSignature().getName() + "()"); 	
            logger.debug("[소요시간]: {}ms", new Object[]{(System.currentTimeMillis()-currentTime)}); 
            logger.debug(">>>>>>>>>> LOGGING END >>>>>>>>>>"); 			
            logger.debug("================================================="); 		
        } 		
        
        return returnObj; 	
    } 
            
}

[2014-02-13 17:52:23] DEBUG [LoggingAspect.logAround():46]:================================================= 
[2014-02-13 17:52:23] DEBUG [LoggingAspect.logAround():47]:>>>>>>>> LOGGING START >>>>>>> 
[2014-02-13 17:52:23] DEBUG [LoggingAspect.logAround():48]:[class]:com.zz.board.business.board.service.impl.BoardServiceImpl 
[2014-02-13 17:52:23] DEBUG [LoggingAspect.logAround():49]:[method]:listBoard() 
[2014-02-13 17:52:23] DEBUG [AbstractBeanFactory.doGetBean():246]:Returning cached instance of singleton bean 'loggingAspect'  

내용생략......... 

[2014-02-13 17:52:23] DEBUG [LoggingAspect.logAround():55]:[class]:com.zz.board.business.board.service.impl.BoardServiceImpl 
[2014-02-13 17:52:23] DEBUG [LoggingAspect.logAround():56]:[method]:listBoard() 
[2014-02-13 17:52:23] DEBUG [LoggingAspect.logAround():57]:[소요시간]: 281ms 
[2014-02-13 17:52:23] DEBUG [LoggingAspect.logAround():58]:>>>>>>>> LOGGING END >>>>>>>> 
[2014-02-13 17:52:23] DEBUG [LoggingAspect.logAround():59]:=================================================

• C# bit.ly API 연동 방법

SNS를 연동하다 보면 url에 파라미터가 길게 늘어진 url이 보기 거슬릴때가 있다.  

<script>

function facebook_sharer(sharer_title, content_title, sharer_URL) {
    sharer_URL = fn_bitly(sharer_URL);
    var sharer_str = encodeURIComponent(sharer_title.replace(/#/gi, "") + content_title);
    var sharer_url = encodeURIComponent(sharer_URL);
    window.open("http://www.facebook.com/sharer.php?u=" + sharer_url + "&t=" + sharer_str, "facebook_sharer", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=800,height=600");
}

function url_sharer(sharer_URL) {
    sharer_URL = fn_bitly(sharer_URL);
    bResult = window.clipboardData.setData("Text", sharer_URL);
    if (bResult) alert('복사되었습니다. 블로그에서 붙여넣기(Ctrl+V)를 이용하세요.');
}

//Short Url Maker
function fn_bitly(longUrl) {
    var shortUrl = "";
    if (longUrl != "") {
        $J.ajax({
            url: '/ajax/bitlyToJson.aspx', //bit.ly api로 다이렉트로 호출해서 short url을 받아도 무방.
            type: 'POST',
            dataType: 'json',
            data: {
                longUrl: longUrl
            },
            timeout: 1000,
            async: false,
            error: function(xhr) {
                //alert('xhr (' + xhr.status + ':'+ xhr.statusText + ':' + xhr.responseText + ')');
            },
            success: function(response) {
                _jsonObject = response.data;
                shortUrl = _jsonObject.url;
            }
        });
        if (shortUrl == "") shortUrl = longUrl;
    }
    return shortUrl;
}

</script>

/******************************************************************************
 *  제  목 : bitlyToJson
 *  작성자 : 이종필
 *  작성일 : 2012-11-08
 *  설  명 : Long Url -> Short Url로 Json 리턴
 ******************************************************************************/

#region shortUrl 생성
    ///    /// https://bitly.com/ 사이트에서 발급
    /// format : json
    /// apiKey : R_b7b8ddaf4734eba87237d5ad*******
    /// login : leejon****
    ///    
    private void MakeShorURL(string longurl)
    {
        StringBuilder sb = new StringBuilder();

        //base
        sb.Append(@"http://api.bit.ly/v3/shorten?login=leejon****l&apiKey=R_b7b8ddaf4734eba87237d5ad5*****&format=json&longUrl=");
        //server page
        sb.Append(Server.UrlEncode(longurl));

        // Make Short URL
        WebClient client = new WebClient();
        string shorturl = client.DownloadString(new Uri(sb.ToString()));

        Response.Write(shorturl);
    }

#endregion

<response>
 <status_code>200</status_code>
 <status_txt>OK</status_txt>
 <data>
  <url>http://bit.ly/YNBfGD</url>
  <hash>YNBfGD</hash>
  <global_hash>md7fw</global_hash>
  <long_url>http://www.naver.com/</long_url>
  <new_hash>0</new_hash>
 </data>
</response>

C#에서 http 프로토콜을 이용한 인터페이스.

protected void HttpCall()
{
    String callUrl = "http://localhost:8080/test/call";
    String[] data = new String[1];
    data[0] = "nikemodel";         // id
    data[1] = "password";          // pw
    
    String postData = String.Format("id=&pw=", data[0], data[1]); 
    HttpWebRequest httpWebRequest = (HttpWebRequest) WebRequest.Create(callUrl);

    //인코딩 UTF-8
    byte[] sendData = UTF8Encoding.UTF8.GetBytes(postData);
    httpWebRequest.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";
    httpWebRequest.Method = "POST";
    httpWebRequest.ContentLength = sendData.Length;

    Stream requestStream = httpWebRequest.GetRequestStream();
    requestStream.Write(sendData, 0, sendData.Length);
    requestStream.Close();

    HttpWebResponse httpWebResponse = (HttpWebResponse) httpWebRequest.GetResponse();
    StreamReader streamReader = new StreamReader(httpWebResponse.GetResponseStream(), Encoding.GetEncoding("UTF-8"));    
    String response = streamReader.ReadToEnd();

    streamReader.Close();
    httpWebResponse.Close();
 
    console.Write("response : " + response);
}