httpclient4 도난 방지 체인 이미지 캡처

	public static String getHttpPicToCS(String url, String picid)
			throws Exception {
		String str = "";
		HttpClient client = new DefaultHttpClient();
		int code = 0;
		HttpGet httpGet = new HttpGet(url);
		InputStream in = null;
		try {
			long t1 = System.currentTimeMillis();
			//         (    )
			httpGet.getParams().setParameter(
					CoreConnectionPNames.CONNECTION_TIMEOUT,
					HTTPCLIENT_CONNECTION_TIMEOUT);
			httpGet.setHeader("Referer", url);  //         url        url
			//          (    )
			httpGet.getParams().setParameter(CoreConnectionPNames.SO_TIMEOUT,
					HTTPCLIENT_SO_TIMEOUT);
			httpGet.getParams().setParameter("User-Agent","Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)"	);
			HttpResponse response = client.execute(httpGet);
			HttpEntity entity = response.getEntity();
			code = response.getStatusLine().getStatusCode();
			if (code == 200 && entity != null) {
				in = entity.getContent();
				str = UpdateFile.updateFile(in, picid);
				logger.info("str=" + str);
			} else {
				httpGet.abort();
				return null;
			}
			long t2 = System.currentTimeMillis();
			long to = t2 - t1;
			logger.info("---HttpUtil---url:" + url + " , time:" + to
					+ " ms , code:" + code);
		} catch (Exception e) {
			logger.error("------HttpUtil-----error--url:" + url + "  , "
					+ e.getMessage());
			throw e;
		} finally {
			if(in!=null)
				in.close();
			httpGet.releaseConnection();
			client.getConnectionManager().shutdown();
		}
		return str;
	}