자바로 크로스 도메인 우회처리

javascript

닫기 줄바꿈

/**
	 * 크로스 도메인 우회처리
	 * @param map
‌​* @return
‌​*/
‌
‌public static String processHTTP(Map<String,String> params ) throws Exception
​​​​{    
​​​​​​​​
​​​​​​​​int statusCode = 0;
​​​​​​​​
​​​​​​​​String url= params.get("url");
​​​​​​​​
​​​​​​​​logger.debug("url : " + url);
​​​​​​​​
​​​​​​​​CloseableHttpClient httpclient = HttpClientBuilder.create().build();
​​​​​​​​HttpPost httpPost = new HttpPost(url);                
​​​​​​​​List<NameValuePair> nvps = makeParams(params);
​​​​​​​​
​​​​​​​​try {
​​​​​​​​​​​​httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded; text/html; charset=UTF-8");
​​​​​​​​​​​​httpPost.setHeader("Cache-Control", "no-cache");
​​​​​​​​​​​​
​​​​​​​​​​​​// 한글 인코딩을 위하여 인코딩 정보를 설정한다.
​​​​​​​​​​​​httpPost.setEntity(new UrlEncodedFormEntity(nvps, DEFAULT_ENCODING));
​​​​​​​​​​​​
​​​​​​​​​​​​CloseableHttpResponse response = httpclient.execute(httpPost);
​​​​​​​​​​​​statusCode = response.getStatusLine().getStatusCode();
​​​​​​​​​​​​
​​​​​​​​​​​​logger.debug("\nSending 'POST' request to URL : " + httpPost.getURI());            
​​​​​​​​​​​​logger.debug("Post parameters : " + httpPost.getEntity().toString());
​​​​​​​​​​​​logger.debug("Response Code : " + statusCode );            
​
​​​​​​​​​​​​if( statusCode == 200){        
​​​​​​​​​​​​​​​​// 정상인 경우 메시지를 읽어 들여 그 결과를 리턴한다. 
​​​​​​​​​​​​​​​​BufferedReader rd = new BufferedReader( new InputStreamReader(response.getEntity().getContent()));
​​​​​​​​​​​​​​​​StringBuffer result = new StringBuffer();
​​​​​​​​​​​​​​​​String line = "";
​​​​​​​​​​​​​​​​while ((line = rd.readLine()) != null) {
​​​​​​​​​​​​​​​​​​​​result.append(line);
​​​​​​​​​​​​​​​​}    
​​​​​​​​​​​​​​​​return result.toString();                
​​​​​​​​​​​​}
​​​​​​​​​​​​
​​​​​​​​} catch (Throwable e) {
​​​​​​​​​​​​throw new HttpException((new StringBuilder("오류가 발생하였습니다.")).append(statusCode).toString());    
​​​​​​​​}        
​
​​​​​​​​if( statusCode != 200)
​​​​​​​​{        
​​​​​​​​​​​​throw new HttpException((new StringBuilder("오류가 발생하였습니다.")).append(statusCode).toString());                
​​​​​​​​}
​​​​​​​​
​​​​​​​​return "";
​​​​​​​​
​​​​}
​
​​​​public static List<NameValuePair> makeParams(Map<String,String> params) throws Exception {
​​​​​​​​int hashSize = params.size();
​​​​​​​​Iterator keyset = params.keySet().iterator();        
​​​​​​​​List <NameValuePair> nvps = new ArrayList <NameValuePair>();
​​​​​​​​for (int i = 0; i < hashSize; i++) {            
​​​​​​​​​​​​String key = (String) keyset.next();
​​​​​​​​​​​​if(!key.equals("DataSetRowType") && !key.equals("url")) {
‌​​​​​​​​​​​​nvps.add(new BasicNameValuePair(key, EgovStringUtil.nvl(params.get(key)) ));	
​​​​​​​​​​​​}
​​​​​​​​}
​​​​​​​​
​​​​​​​​return nvps;
​​​​}