java HttpURLConnection來實作get及post動作 | 聰明的生活2

java HttpURLConnection來實作get及post動作

private org.apache.log4j.Logger logger;

  public WebModule() {
    logger = org.apache.log4j.Logger.getLogger(this.getClass());
  }

  public boolean doPost(String sURL, String data, String cookie,
      String referer, String charset) {

    boolean doSuccess = false;
    java.io.BufferedWriter wr = null;
    try {

      URL url = new URL(sURL);
      HttpURLConnection URLConn = (HttpURLConnection) url
          .openConnection();

      URLConn.setDoOutput(true);
      URLConn.setDoInput(true);
      ((HttpURLConnection) URLConn).setRequestMethod("POST");
      URLConn.setUseCaches(false);
      URLConn.setAllowUserInteraction(true);
      HttpURLConnection.setFollowRedirects(true);
      URLConn.setInstanceFollowRedirects(true);

      URLConn
          .setRequestProperty(
              "User-agent",
              "Mozilla/5.0 (Windows; U; Windows NT 6.0; zh-TW; rv:1.9.1.2) "
                  + "Gecko/20090729 Firefox/3.5.2 GTB5 (.NET CLR 3.5.30729)");
      URLConn
          .setRequestProperty("Accept",
              "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
      URLConn.setRequestProperty("Accept-Language",
          "zh-tw,en-us;q=0.7,en;q=0.3");
      URLConn.setRequestProperty("Accept-Charse",
          "Big5,utf-8;q=0.7,*;q=0.7");
      if (cookie != null)
        URLConn.setRequestProperty("Cookie", cookie);
      if (referer != null)
        URLConn.setRequestProperty("Referer", referer);

      URLConn.setRequestProperty("Content-Type",
          "application/x-www-form-urlencoded");
      URLConn.setRequestProperty("Content-Length", String.valueOf(data
          .getBytes().length));

      java.io.DataOutputStream dos = new java.io.DataOutputStream(URLConn
          .getOutputStream());
      dos.writeBytes(data);

      java.io.BufferedReader rd = new java.io.BufferedReader(
          new java.io.InputStreamReader(URLConn.getInputStream(),
              charset));
      String line;
      while ((line = rd.readLine()) != null) {
        System.out.println(line);
      }

      rd.close();
    } catch (java.io.IOException e) {
      doSuccess = false;
      logger.info(e);

    } finally {
      if (wr != null) {
        try {
          wr.close();
        } catch (java.io.IOException ex) {
          logger.info(ex);
        }
        wr = null;
      }
    }

    return doSuccess;
  }

  public boolean doGet(String sURL, String cookie, String referer,
      String charset) {
    boolean doSuccess = false;
    BufferedReader in = null;
    try {
      URL url = new URL(sURL);
      HttpURLConnection URLConn = (HttpURLConnection) url
          .openConnection();
      URLConn
          .setRequestProperty(
              "User-agent",
              "Mozilla/5.0 (Windows; U; Windows NT 6.0; zh-TW; rv:1.9.1.2) "
                  + "Gecko/20090729 Firefox/3.5.2 GTB5 (.NET CLR 3.5.30729)");
      URLConn
          .setRequestProperty("Accept",
              "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
      URLConn.setRequestProperty("Accept-Language",
          "zh-tw,en-us;q=0.7,en;q=0.3");
      URLConn.setRequestProperty("Accept-Charse",
          "Big5,utf-8;q=0.7,*;q=0.7");

      if (cookie != null)
        URLConn.setRequestProperty("Cookie", cookie);
      if (referer != null)
        URLConn.setRequestProperty("Referer", referer);
      URLConn.setDoInput(true);
      URLConn.setDoOutput(true);
      URLConn.connect();
      URLConn.getOutputStream().flush();
      in = new BufferedReader(new InputStreamReader(URLConn
          .getInputStream(), charset));

      String line;
      while ((line = in.readLine()) != null) {
        System.out.println(line);
      }

    } catch (IOException e) {
      doSuccess = false;
      log.out.println(e);
      e.printStackTrace();
    } finally {
      if (in != null) {
        try {
          in.close();
        } catch (java.io.IOException ex) {
          logger.info(ex);
        }
        in = null;

      }
    }

    return doSuccess;