Example usage for java.net HttpURLConnection getResponseCode

Introduction

In this page you can find the example usage for java.net HttpURLConnection getResponseCode.

Prototype

public int getResponseCode() throws IOException 

Source Link

Document

Gets the status code from an HTTP response message.

Usage

From source file:com.chiorichan.util.WebUtils.java

/**
 * Opens an HTTP connection to a web URL and tests that the response is a valid 200-level code
 * and we can successfully open a stream to the content.
 * //w w w . j a  v a2  s . c  o  m
 * @param url
 *            The HTTP URL indicating the location of the content.
 * @return True if the content can be accessed successfully, false otherwise.
 */
public static boolean pingHttpURL(String url) {
    InputStream stream = null;
    try {
        final HttpURLConnection conn = openHttpConnection(new URL(url));
        conn.setConnectTimeout(10000);

        int responseCode = conn.getResponseCode();
        int responseFamily = responseCode / 100;

        if (responseFamily == 2) {
            stream = conn.getInputStream();
            IOUtils.closeQuietly(stream);
            return true;
        } else {
            return false;
        }
    } catch (IOException e) {
        return false;
    } finally {
        IOUtils.closeQuietly(stream);
    }
}

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From source file:com.zf.util.Post_NetNew.java

public static String pn(Map<String, String> pams) throws Exception {
    if (null == pams) {
        return "";
    }/*w w w. j  a  v a 2s .  c  o m*/
    String strtmp = "url";
    URL url = new URL(pams.get(strtmp));
    pams.remove(strtmp);
    strtmp = "body";
    String body = pams.get(strtmp);
    pams.remove(strtmp);
    strtmp = "POST";
    if (StringUtils.isEmpty(body))
        strtmp = "GET";
    HttpURLConnection httpConn = (HttpURLConnection) url.openConnection();
    httpConn.setUseCaches(false);
    httpConn.setRequestMethod(strtmp);
    for (String pam : pams.keySet()) {
        httpConn.setRequestProperty(pam, pams.get(pam));
    }
    if ("POST".equals(strtmp)) {
        httpConn.setDoOutput(true);
        httpConn.setDoInput(true);
        DataOutputStream dos = new DataOutputStream(httpConn.getOutputStream());
        dos.writeBytes(body);
        dos.flush();
    }
    int resultCode = httpConn.getResponseCode();
    StringBuilder sb = new StringBuilder();
    sb.append(resultCode).append("\n");
    String readLine;
    InputStream stream;
    try {
        stream = httpConn.getInputStream();
    } catch (Exception ignored) {
        stream = httpConn.getErrorStream();
    }
    try {
        BufferedReader responseReader = new BufferedReader(new InputStreamReader(stream, "UTF-8"));
        while ((readLine = responseReader.readLine()) != null) {
            sb.append(readLine).append("\n");
        }
    } catch (Exception ignored) {
    }

    return sb.toString();
}

---

From source file:com.adanac.module.blog.api.HttpApiHelper.java

public static void baiduPush(int remain) {
    String pushUrl = DaoFactory.getDao(HtmlPageDao.class).findPushUrl();
    if (pushUrl == null) {
        if (logger.isInfoEnabled()) {
            logger.info("all html page has been pushed!");
        }/*from  w ww .j a  va 2 s  .  c om*/
        return;
    }
    if (remain <= 0) {
        if (logger.isInfoEnabled()) {
            logger.info("there has no remain[" + remain + "]!");
        }
        return;
    }
    if (logger.isInfoEnabled()) {
        logger.info("find push url : " + pushUrl);
    }
    String url = "http://data.zz.baidu.com/urls?site=" + site + "&token=" + token;
    try {
        HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", "text/plain");
        OutputStream outputStream = connection.getOutputStream();
        outputStream.write(pushUrl.getBytes("UTF-8"));
        outputStream.write("\r\n".getBytes("UTF-8"));
        outputStream.flush();
        int status = connection.getResponseCode();
        if (logger.isInfoEnabled()) {
            logger.info("baidu-push response code : " + status);
        }
        if (status == HttpServletResponse.SC_OK) {
            String response = IOUtil.read(connection.getInputStream());
            if (logger.isInfoEnabled()) {
                logger.info("baidu-push response : " + response);
            }
            JSONObject result = JSONObject.fromObject(response);
            if (result.getInt("success") >= 1) {
                DaoFactory.getDao(HtmlPageDao.class).updateIsPush(pushUrl);
            } else {
                logger.warn("push url failed : " + pushUrl);
            }
            baiduPush(result.getInt("remain"));
        } else {
            logger.error("baidu-push error : " + IOUtil.read(connection.getErrorStream()));
        }
    } catch (Exception e) {
        logger.error("baidu push failed ...", e);
    }
}

---

From source file:com.openforevent.main.UserPosition.java

public static Map<String, Object> userLocationProperties(DispatchContext ctx,
        Map<String, ? extends Object> context) throws IOException {
    Delegator delegator = ctx.getDelegator();
    LocalDispatcher dispatcher = ctx.getDispatcher();
    String visitId = (String) context.get("visitId");

    if (Debug.infoOn()) {
        Debug.logInfo("In userLocationProperties", module);
    }/*www.j  a v a2  s.  co m*/

    // get user coords
    coordsOfUserPosition(ctx, context);

    URL url = new URL(
            "https://graph.facebook.com/search?since=now&limit=4&q=2012-05-07&type=event&access_token="
                    + "AAACEdEose0cBAN9CB2ErxVN3JvK2gsrLslPt6e6Y7hJ0OrMEkMoyNwvHgSZCAEu2lCHZALlVWXZCW5JL8asMWoaPN3UAXFpZBsJJ6SvXRAAIZAXeTo0fD");
    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();

    // Set properties of the connection
    urlConnection.setRequestMethod("GET");
    urlConnection.setDoInput(true);
    urlConnection.setDoOutput(true);
    urlConnection.setUseCaches(false);
    urlConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

    // Retrieve the output
    int responseCode = urlConnection.getResponseCode();
    InputStream inputStream;
    if (responseCode == HttpURLConnection.HTTP_OK) {
        inputStream = urlConnection.getInputStream();
    } else {
        inputStream = urlConnection.getErrorStream();
    }

    StringWriter writer = new StringWriter();
    IOUtils.copy(inputStream, writer, "UTF-8");
    String theString = writer.toString();

    Debug.logInfo("Facebook stream = ", theString);

    if (theString.contains("AuthException") == true) {
        url = new URL("https://graph.facebook.com/oauth/access_token?" + "client_id=   283576871735609&"
                + "client_secret=   5cf1fe4e531dff8de228bfac61b8fdfa&" + "grant_type=fb_exchange_token&"
                + "fb_exchange_token="
                + "AAACEdEose0cBAN9CB2ErxVN3JvK2gsrLslPt6e6Y7hJ0OrMEkMoyNwvHgSZCAEu2lCHZALlVWXZCW5JL8asMWoaPN3UAXFpZBsJJ6SvXRAAIZAXeTo0fD");

        HttpURLConnection urlConnection1 = (HttpURLConnection) url.openConnection();

        // Set properties of the connection
        urlConnection1.setRequestMethod("GET");
        urlConnection1.setDoInput(true);
        urlConnection1.setDoOutput(true);
        urlConnection1.setUseCaches(false);
        urlConnection1.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

        // Retrieve the output
        int responseCode1 = urlConnection1.getResponseCode();
        InputStream inputStream1;
        if (responseCode == HttpURLConnection.HTTP_OK) {
            inputStream1 = urlConnection1.getInputStream();
        } else {
            inputStream1 = urlConnection1.getErrorStream();
        }

        StringWriter writer1 = new StringWriter();
        IOUtils.copy(inputStream1, writer1, "UTF-8");
        String theString1 = writer1.toString();

        Debug.logInfo("Facebook stream1 = ", theString1);

    }

    Map<String, Object> paramOut = FastMap.newInstance();
    paramOut.put("geoName", "aaa");
    paramOut.put("abbreviation", "bbb");
    return paramOut;

}

---

From source file:edu.dartmouth.cs.dartcard.HttpUtilities.java

public static String get(String endpoint, Map<String, String> params) {
    URL url = null;//w  ww. j  a v a 2s  . c  om
    try {
        url = new URL(endpoint);
    } catch (MalformedURLException e) {
        //Fail silently
    }

    byte[] bytes = constructParams(params);

    HttpURLConnection conn;

    long backoff = BACKOFF_MILLI_SECONDS + random.nextInt(1000);
    for (int i = 1; i <= HttpUtilities.MAX_ATTEMPTS; i++) {
        try {
            conn = makeGetConnection(url, bytes);

            // handle the response
            int status = conn.getResponseCode();

            if (status == 200) {

                BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
                StringBuilder sb = new StringBuilder();
                String line;
                while ((line = br.readLine()) != null) {
                    sb.append(line + "\n");
                }
                br.close();

                if (null != conn) {
                    conn.disconnect();
                }

                return sb.toString();
            }

            else if (500 > status) {
                if (null != conn) {
                    conn.disconnect();
                }
                return null;
            }
        } catch (IOException e) {
            try {
                Thread.sleep(backoff);
            } catch (InterruptedException e1) {
                // Activity finished before we complete - exit.
                Thread.currentThread().interrupt();
            }
            // increase backoff exponentially
            backoff *= 2;
        }
    }
    return null;
}

---

From source file:LNISmokeTest.java

/**
 * Get an item with WebDAV GET http request.
 * /*from  ww  w  .  ja va  2s  .  c o m*/
 * @param lni the lni
 * @param itemHandle the item handle
 * @param packager the packager
 * @param output the output
 * @param endpoint the endpoint
 * 
 * @throws RemoteException the remote exception
 * @throws ProtocolException the protocol exception
 * @throws IOException Signals that an I/O exception has occurred.
 * @throws FileNotFoundException the file not found exception
 */
private static void doGet(LNISoapServlet lni, String itemHandle, String packager, String output,
        String endpoint)
        throws java.rmi.RemoteException, ProtocolException, IOException, FileNotFoundException {
    // assemble URL from chopped endpoint-URL and relative URI
    String itemURI = doLookup(lni, itemHandle, null);
    URL url = LNIClientUtils.makeDAVURL(endpoint, itemURI, packager);
    System.err.println("DEBUG: GET from URL: " + url.toString());

    // connect with GET method, then copy file over.
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod("GET");
    conn.setDoInput(true);
    fixBasicAuth(url, conn);
    conn.connect();
    int status = conn.getResponseCode();
    if (status < 200 || status >= 300) {
        die(status, "HTTP error, status=" + String.valueOf(status) + ", message=" + conn.getResponseMessage());
    }

    InputStream in = conn.getInputStream();
    OutputStream out = new FileOutputStream(output);
    copyStream(in, out);
    in.close();
    out.close();

    System.err.println("DEBUG: Created local file " + output);
    System.err.println(
            "RESULT: Status=" + String.valueOf(conn.getResponseCode()) + " " + conn.getResponseMessage());
}

---

From source file:edu.dartmouth.cs.dartcard.HttpUtilities.java

/**
 * Issue a POST request to the server, and return the results from it as a string
 * //ww w. j  av a2  s .  c om
 * @param endpoint
 *            POST address.
 * @param params
 *            request parameters.
 * 
 * @throws IOException
 *             propagated from POST.
 */
public static String postForResults(String endpoint, Map<String, String> params) {
    URL url = null;
    try {
        url = new URL(endpoint);
    } catch (MalformedURLException e) {
        //Fail silently
    }

    byte[] bytes = constructParams(params);

    HttpURLConnection conn;

    long backoff = BACKOFF_MILLI_SECONDS + random.nextInt(1000);
    for (int i = 1; i <= HttpUtilities.MAX_ATTEMPTS; i++) {
        try {
            conn = makePostConnection(url, bytes);

            // handle the response
            int status = conn.getResponseCode();

            if (status == 200) {

                BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
                StringBuilder sb = new StringBuilder();
                String line;
                while ((line = br.readLine()) != null) {
                    sb.append(line + "\n");
                }
                br.close();

                if (null != conn) {
                    conn.disconnect();
                }

                return sb.toString();
            }

            else if (500 > status) {
                if (null != conn) {
                    conn.disconnect();
                }
                return null;
            }
        } catch (IOException e) {
            try {
                Thread.sleep(backoff);
            } catch (InterruptedException e1) {
                // Activity finished before we complete - exit.
                Thread.currentThread().interrupt();
            }
            // increase backoff exponentially
            backoff *= 2;
        }
    }

    return null;
}

---

From source file:hashengineering.digitalcoin.wallet.ExchangeRatesProvider.java

private static Map<String, ExchangeRate> getBlockchainInfo() {
    try {/*  w  w  w.  ja v  a2s .com*/
        Double btcRate = 0.0;

        Object result = getCoinValueBTC();

        if (result == null)
            return null;

        else
            btcRate = (Double) result;

        final URL URL = new URL("https://blockchain.info/ticker");
        final HttpURLConnection connection = (HttpURLConnection) URL.openConnection();
        connection.setConnectTimeout(Constants.HTTP_TIMEOUT_MS);
        connection.setReadTimeout(Constants.HTTP_TIMEOUT_MS);
        connection.connect();

        if (connection.getResponseCode() != HttpURLConnection.HTTP_OK)
            return null;

        Reader reader = null;
        try {
            reader = new InputStreamReader(new BufferedInputStream(connection.getInputStream(), 1024),
                    Constants.UTF_8);
            final StringBuilder content = new StringBuilder();
            Io.copy(reader, content);

            final Map<String, ExchangeRate> rates = new TreeMap<String, ExchangeRate>();

            //Add Bitcoin information
            rates.put(CoinDefinition.cryptsyMarketCurrency,
                    new ExchangeRate(CoinDefinition.cryptsyMarketCurrency,
                            Utils.toNanoCoins(String.format("%.8f", btcRate).replace(",", ".")),
                            "pubapi.cryptsy.com"));

            final JSONObject head = new JSONObject(content.toString());
            for (final Iterator<String> i = head.keys(); i.hasNext();) {
                final String currencyCode = i.next();
                final JSONObject o = head.getJSONObject(currencyCode);
                //final String rate = o.optString("15m", null);

                double rateForBTC = o.getDouble("15m") * btcRate;

                final String rate = String.format("%.8f", rateForBTC); //o.optString("15m", null);

                if (rate != null) {
                    try {
                        rates.put(currencyCode, new ExchangeRate(currencyCode,
                                Utils.toNanoCoins(rate.replace(",", ".")), URL.getHost()));
                    } catch (final ArithmeticException x) {
                        log.debug("problem reading exchange rate: " + currencyCode, x);
                    }
                }
            }

            return rates;
        } finally {
            if (reader != null)
                reader.close();
        }
    } catch (final Exception x) {
        log.debug("problem reading exchange rates", x);
    }

    return null;
}

---

From source file:com.magnet.plugin.common.helpers.URLHelper.java

public static String checkURLConnection(String urlS, String username, String password) {
    String status = "Error connection to server!";
    FormattedLogger logger = new FormattedLogger(URLHelper.class);
    logger.append("checkURLConnection:" + urlS);
    try {//from  w w w.j  ava2  s . c  om
        URL url = new URL(urlS);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();

        if (username != null && username.trim().length() > 0 && password != null
                && password.trim().length() > 0) {
            final String authString = username + ":" + password;
            conn.setRequestProperty("Authorization", "Basic " + Base64.encode(authString.getBytes()));
        }

        conn.setRequestMethod("GET");
        conn.setDoInput(true);

        status = "" + conn.getResponseCode();
        logger.append("Response code:" + status);
        logger.showInfoLog();
    } catch (Exception e) {
        logger.append(">>>" + e.getClass().getName() + " message: " + e.getMessage());
        logger.showErrorLog();
    }
    return status;
}

---

From source file:edu.dartmouth.cs.dartcard.HttpUtilities.java

/**
 * Issue a POST request to the server.//from w  w  w  .  j  a  va  2 s .c  o  m
 * 
 * @param endpoint
 *            POST address.
 * @param params
 *            request parameters.
 * 
 * @throws IOException
 *             propagated from POST.
 */
public static boolean post(String endpoint, Map<String, String> params) {
    URL url = null;
    try {
        url = new URL(endpoint);
    } catch (MalformedURLException e) {
        //Fail silently
    }

    byte[] bytes = constructParams(params);

    HttpURLConnection conn;

    long backoff = BACKOFF_MILLI_SECONDS + random.nextInt(1000);
    for (int i = 1; i <= HttpUtilities.MAX_ATTEMPTS; i++) {
        try {
            conn = makePostConnection(url, bytes);

            // handle the response
            int status = conn.getResponseCode();

            if (status == 200) {
                //Useful for debugging
                /*
                BufferedReader br = 
                new BufferedReader(new InputStreamReader(conn.getInputStream()));
                    StringBuilder sb = new StringBuilder();
                    String line;
                    while ((line = br.readLine()) != null) {
                  sb.append(line+"\n");
                    }
                    br.close();
                    Log.d("output", sb.toString());
                 */

                if (null != conn) {
                    conn.disconnect();
                }
                return true;
            }

            else if (500 > status) {
                if (null != conn) {
                    conn.disconnect();
                }
                return false;
            }
        } catch (IOException e) {
            try {
                Thread.sleep(backoff);
            } catch (InterruptedException e1) {
                // Activity finished before we complete - exit.
                Thread.currentThread().interrupt();
            }
            // increase backoff exponentially
            backoff *= 2;
        }
    }

    return false;
}

---

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