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:io.webfolder.cdp.ChromiumDownloader.java

public static ChromiumVersion getLatestVersion() {
    String url = DOWNLOAD_HOST;//from   ww w.  j a  v a2  s.co  m

    if (WINDOWS) {
        url += "/Win_x64/LAST_CHANGE";
    } else if (LINUX) {
        url += "/Linux_x64/LAST_CHANGE";
    } else if (MAC) {
        url += "/Mac/LAST_CHANGE";
    } else {
        throw new CdpException("Unsupported OS found - " + OS);
    }

    try {
        URL u = new URL(url);

        HttpURLConnection conn = (HttpURLConnection) u.openConnection();
        conn.setRequestMethod("GET");
        conn.setConnectTimeout(TIMEOUT);
        conn.setReadTimeout(TIMEOUT);

        if (conn.getResponseCode() != 200) {
            throw new CdpException(conn.getResponseCode() + " - " + conn.getResponseMessage());
        }

        String result = null;
        try (Scanner s = new Scanner(conn.getInputStream())) {
            s.useDelimiter("\\A");
            result = s.hasNext() ? s.next() : "";
        }
        return new ChromiumVersion(Integer.parseInt(result));
    } catch (IOException e) {
        throw new CdpException(e);
    }
}

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From source file:dk.nsi.minlog.test.utils.TestHelper.java

public static String sendRequest(String url, String action, String docXml, boolean failOnError)
        throws IOException, ServiceException {
    URL u = new URL(url);
    HttpURLConnection uc = (HttpURLConnection) u.openConnection();
    uc.setDoOutput(true);/*from  ww  w. j  a  va  2 s .com*/
    uc.setDoInput(true);
    uc.setRequestMethod("POST");
    uc.setRequestProperty("SOAPAction", "\"" + action + "\"");
    uc.setRequestProperty("Content-Type", "text/xml; charset=utf-8;");
    OutputStream os = uc.getOutputStream();

    IOUtils.write(docXml, os, "UTF-8");
    os.flush();
    os.close();

    InputStream is;
    if (uc.getResponseCode() != 200) {
        is = uc.getErrorStream();
    } else {
        is = uc.getInputStream();
    }
    String res = IOUtils.toString(is);

    is.close();
    if (uc.getResponseCode() != 200 && (uc.getResponseCode() != 500 || failOnError)) {
        throw new ServiceException(res);
    }
    uc.disconnect();

    return res;
}

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From source file:com.jeffrodriguez.webtools.client.URLConnectionWebClientImpl.java

private static void checkForErrors(HttpURLConnection connection) throws IOException {

    // If this is a 200-range response code, just return
    if (connection.getResponseCode() >= 200 && connection.getResponseCode() < 300) {
        return;//from   w ww .jav  a 2 s .co  m
    }

    // Build the IO Exception
    IOException e = new IOException(connection.getResponseCode() + ": " + connection.getResponseMessage());

    // Get the response as a string
    String response = IOUtils.toString(connection.getErrorStream(), "ISO-8859-1");

    // Log it
    logger.log(Level.SEVERE, response, e);

    // Throw it
    throw e;
}

---

From source file:com.facebook.fresco.sample.urlsfetcher.ImageUrlsFetcher.java

@Nullable
private static String downloadContentAsString(String urlString) throws IOException {
    InputStream is = null;//from w  w  w .  j a  va2s.c  om
    try {
        URL url = new URL(urlString);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestProperty("Authorization", IMGUR_CLIENT_ID);
        conn.setReadTimeout(10000 /* milliseconds */);
        conn.setConnectTimeout(15000 /* milliseconds */);
        conn.setRequestMethod("GET");
        conn.setDoInput(true);
        // Starts the query
        conn.connect();
        int response = conn.getResponseCode();
        if (response != HttpStatus.SC_OK) {
            FLog.e(TAG, "Album request returned %s", response);
            return null;
        }
        is = conn.getInputStream();
        return readAsString(is);
    } finally {
        if (is != null) {
            is.close();
        }
    }
}

---

From source file:net.maxgigapop.mrs.driver.openstack.OpenStackRESTClient.java

private static String sendGET(URL url, HttpURLConnection con, String userAgent, String tokenId)
        throws IOException {

    con.setRequestMethod("GET");
    con.setRequestProperty("User-Agent", userAgent);
    con.setRequestProperty("X-Auth-Token", tokenId);

    logger.log(Level.INFO, "Sending GET request to URL : {0}", url);
    int responseCode = con.getResponseCode();
    logger.log(Level.INFO, "Response Code : {0}", responseCode);

    BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
    String inputLine;//from  w ww . j  a va 2 s  .c  o m
    StringBuilder responseStr = new StringBuilder();

    while ((inputLine = in.readLine()) != null) {
        responseStr.append(inputLine);
    }
    in.close();

    return responseStr.toString();
}

---

From source file:com.cyphermessenger.client.SyncRequest.java

public static CypherUser registerUser(String username, String password, String captchaValue, Captcha captcha)
        throws IOException, APIErrorException {
    if (!captcha.verify(captchaValue)) {
        throw new APIErrorException(StatusCode.CAPTCHA_INVALID);
    }/*from   ww  w . j a  va 2 s .c om*/
    username = username.toLowerCase();
    captchaValue = captchaValue.toLowerCase();
    byte[] serverPassword = Utils.cryptPassword(password.getBytes(), username);
    byte[] localPassword = Utils.sha256(password);
    String serverPasswordEncoded = Utils.BASE64_URL.encode(serverPassword);
    ECKey key = new ECKey();
    byte[] publicKey = key.getPublicKey();
    byte[] privateKey = key.getPrivateKey();
    try {
        privateKey = Encrypt.process(localPassword, privateKey);
    } catch (InvalidCipherTextException ex) {
        throw new RuntimeException(ex);
    }
    String[] keys = new String[] { "captchaToken", "captchaValue", "username", "password", "publicKey",
            "privateKey" };
    String[] vals = new String[] { captcha.captchaToken, captchaValue, username, serverPasswordEncoded,
            Utils.BASE64_URL.encode(publicKey), Utils.BASE64_URL.encode(privateKey) };
    HttpURLConnection conn = doRequest("register", null, keys, vals);

    if (conn.getResponseCode() != 200) {
        throw new IOException("Server error");
    }
    InputStream in = conn.getInputStream();
    JsonNode node = MAPPER.readTree(in);
    conn.disconnect();
    int statusCode = node.get("status").asInt();
    if (statusCode == StatusCode.OK) {
        long userID = node.get("userID").asLong();
        long keyTime = node.get("timestamp").asLong();
        key.setTime(keyTime);
        return new CypherUser(username, localPassword, serverPassword, userID, key, keyTime);
    } else {
        throw new APIErrorException(statusCode);
    }
}

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From source file:com.choices.imagecompare.urlsfetcher.ImageUrlsFetcher.java

@Nullable
private static String downloadContentAsString(String urlString) throws IOException {
    InputStream is = null;//from   w w w  . j a  va 2s .c  om
    try {
        URL url = new URL(urlString);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestProperty("Authorization", IMGUR_CLIENT_ID);
        conn.setReadTimeout(10000 /* milliseconds */);
        conn.setConnectTimeout(15000 /* milliseconds */);
        conn.setRequestMethod("GET");
        conn.setDoInput(true);
        // Starts the query
        conn.connect();
        int response = conn.getResponseCode();
        if (response != SC_OK) {
            FLog.e(TAG, "Album request returned %s", response);
            return null;
        }
        is = conn.getInputStream();
        return readAsString(is);
    } finally {
        if (is != null) {
            is.close();
        }
    }
}

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From source file:lu.list.itis.dkd.aig.util.FusekiHttpHelper.java

/**
 * Check if specified dataset already exists on server
 * /*  w ww . j ava2s .  c  om*/
 * @param dataSetName
 * @return boolean true if the dataset already exits, false if not
 * @throws IOException
 * @throws HttpException
 */
public static boolean chechIfExist(String dataSetName) throws IOException, HttpException {
    boolean exists = false;
    URL url = new URL(HOST + "/$/datasets/" + dataSetName);
    final HttpURLConnection httpConnection = (HttpURLConnection) url.openConnection();
    httpConnection.setUseCaches(false);
    httpConnection.setRequestMethod("GET");

    // handle HTTP/HTTPS strange behaviour
    httpConnection.connect();
    httpConnection.disconnect();

    // handle response
    switch (httpConnection.getResponseCode()) {
    case HttpURLConnection.HTTP_OK:
        exists = true;
        break;
    case HttpURLConnection.HTTP_NOT_FOUND:
        break;
    default:
        throw new HttpException(
                httpConnection.getResponseCode() + " message: " + httpConnection.getResponseMessage());
    }
    return exists;
}

---

From source file:org.openbmap.soapclient.CheckServerTask.java

/**
 * Checks connection to openbmap.org//from w  w  w . j a v  a 2 s  . c  om
 * @return true on successful http connection
 */
private static boolean isOnline() {
    try {
        Log.v(TAG, "Ping " + Preferences.VERSION_CHECK_URL);
        final URL url = new URL(Preferences.VERSION_CHECK_URL);
        final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestProperty("Connection", "close");
        connection.setConnectTimeout(CONNECTION_TIMEOUT);
        connection.connect();
        if (connection.getResponseCode() == 200) {
            Log.i(TAG, String.format("Good: Server reply %s - device & server online",
                    connection.getResponseCode()));
            return true;
        } else {
            Log.w(TAG, String.format("Bad: Http ping failed (server reply %s).", connection.getResponseCode()));
        }
    } catch (final IOException e) {
        Log.w(TAG, "Bad: Http ping failed (no response)..");
    }
    return false;
}

---

From source file:Main.java

public static String callJsonAPI(String urlString) {
    // Use HttpURLConnection as per Android 6.0 spec, instead of less efficient HttpClient
    HttpURLConnection urlConnection = null;
    StringBuilder jsonResult = new StringBuilder();

    try {/*w  ww .  j a v  a2 s.c  om*/
        URL url = new URL(urlString);
        urlConnection = (HttpURLConnection) url.openConnection();
        urlConnection.setRequestMethod("GET");
        urlConnection.setUseCaches(false);
        urlConnection.setConnectTimeout(TIMEOUT_CONNECTION);
        urlConnection.setReadTimeout(TIMEOUT_READ);
        urlConnection.connect();

        int status = urlConnection.getResponseCode();

        switch (status) {
        case 200:
        case 201:
            BufferedReader br = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));

            String line;
            while ((line = br.readLine()) != null) {
                jsonResult.append(line).append("\n");
            }
            br.close();
        }
    } catch (MalformedURLException e) {
        System.err.print(e.getMessage());
        return e.getMessage();
    } catch (IOException e) {
        System.err.print(e.getMessage());
        return e.getMessage();
    } finally {
        if (urlConnection != null) {
            try {
                urlConnection.disconnect();
            } catch (Exception e) {
                System.err.print(e.getMessage());
            }
        }
    }
    return jsonResult.toString();
}

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