Http URL 통신 예제

java Http URL 통신 예제 

다른것들은 모두 불필요하고, 통신부분만 참조.

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public class HttpNetwork {
    public static void main(String args[]) {

        HttpNetwork net = new HttpNetwork();
        String strHtmlSource = net.strGetData();

        System.out.println("※Recieve HTML (" + getCurrentDate24() + ") \n" + strHtmlSource);
    }


    private String strGetData() {

        BufferedReader oBufReader = null;
        HttpURLConnection httpConn = null;
        String strBuffer = "";
        String strRslt = "";

        try {
            String strEncodeUrl = "http://kyoboaxa.ktspeedway.co.kr/traf?refresh=15&unit=K";
            URL oOpenURL = new URL(strEncodeUrl);

            httpConn = (HttpURLConnection) oOpenURL.openConnection();
            httpConn.setRequestMethod("POST");
            httpConn.connect();

            oBufReader = new BufferedReader(new InputStreamReader(oOpenURL.openStream()));

            //Buffer에 있는 내용을 읽어 차례로 화면에 뿌려준다.
            while ((strBuffer = oBufReader.readLine()) != null) {
                if (strBuffer.length() > 1) {
                    strRslt += strBuffer;
                }
            }

        } catch (Exception ee) {
            ee.getMessage();
        }

        return strRslt;
    }



    /**
     * 
현재날짜시간가져오기
     * @return
     */
    private static String getCurrentDate24() {
        java.text.SimpleDateFormat formatter = new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss", java.util.Locale.KOREA);
        return formatter.format(new java.util.Date());
    }
}