Example usage for java.net HttpURLConnection getResponseCode

List of usage examples for java.net HttpURLConnection getResponseCode

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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.bushstar.htmlcoin_android_wallet.ExchangeRatesProvider.java

private static String getURLResult(URL url, final String userAgent) {

    HttpURLConnection connection = null;
    Reader reader = null;//from w w w.  j a v  a  2  s .c  om

    try {
        connection = (HttpURLConnection) url.openConnection();

        connection.setInstanceFollowRedirects(false);
        connection.setConnectTimeout(Constants.HTTP_TIMEOUT_MS);
        connection.setReadTimeout(Constants.HTTP_TIMEOUT_MS);
        connection.addRequestProperty("User-Agent", userAgent);
        connection.connect();

        final int responseCode = connection.getResponseCode();
        if (responseCode == HttpURLConnection.HTTP_OK) {

            InputStream is = new BufferedInputStream(connection.getInputStream(), 1024);

            reader = new InputStreamReader(is, Constants.UTF_8);
            final StringBuilder content = new StringBuilder();

            Io.copy(reader, content);
            return content.toString();

        } else {
            log.warn("http status {} when fetching exchange rates from {}", responseCode, BTCE_URL);
        }
    } catch (final Exception x) {
        log.warn("problem fetching exchange rates from " + BTCE_URL, x);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (final IOException x) {
                // swallow
            }
        }

        if (connection != null)
            connection.disconnect();
    }

    return null;

}

From source file:com.matthewmitchell.nubits_android_wallet.ExchangeRatesProvider.java

private static String getURLResult(URL url, final String userAgent) {

    HttpURLConnection connection = null;
    Reader reader = null;/*  www. j ava  2  s . c  om*/

    try {
        connection = (HttpURLConnection) url.openConnection();

        connection.setInstanceFollowRedirects(false);
        connection.setConnectTimeout(Constants.HTTP_TIMEOUT_MS);
        connection.setReadTimeout(Constants.HTTP_TIMEOUT_MS);
        connection.addRequestProperty("User-Agent", userAgent);
        connection.connect();

        final int responseCode = connection.getResponseCode();
        if (responseCode == HttpURLConnection.HTTP_OK) {

            InputStream is = new BufferedInputStream(connection.getInputStream(), 1024);

            reader = new InputStreamReader(is, Constants.UTF_8);
            final StringBuilder content = new StringBuilder();

            Io.copy(reader, content);
            return content.toString();

        } else {
            log.warn("http status {} when fetching exchange rates from {}", responseCode, url);
        }
    } catch (final Exception x) {
        log.warn("problem fetching exchange rates from " + url, x);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (final IOException x) {
                // swallow
            }
        }

        if (connection != null)
            connection.disconnect();
    }

    return null;

}

From source file:javaphpmysql.JavaPHPMySQL.java

public static void sendPost() {
    //Creamos un objeto JSON
    JSONObject jsonObj = new JSONObject();
    //Aadimos el nombre, apellidos y email del usuario
    jsonObj.put("nombre", nombre);
    jsonObj.put("apellidos", apellidos);
    jsonObj.put("email", email);
    //Creamos una lista para almacenar el JSON
    List l = new LinkedList();
    l.addAll(Arrays.asList(jsonObj));
    //Generamos el String JSON
    String jsonString = JSONValue.toJSONString(l);
    System.out.println("JSON GENERADO:");
    System.out.println(jsonString);
    System.out.println("");

    try {//from  ww w  . j  a v a  2  s .  com
        //Codificar el json a URL
        jsonString = URLEncoder.encode(jsonString, "UTF-8");
        //Generar la URL
        String url = SERVER_PATH + "listenPost.php";
        //Creamos un nuevo objeto URL con la url donde queremos enviar el JSON
        URL obj = new URL(url);
        //Creamos un objeto de conexin
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();
        //Aadimos la cabecera
        con.setRequestMethod("POST");
        con.setRequestProperty("User-Agent", USER_AGENT);
        con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
        //Creamos los parametros para enviar
        String urlParameters = "json=" + jsonString;
        // Enviamos los datos por POST
        con.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeBytes(urlParameters);
        wr.flush();
        wr.close();
        //Capturamos la respuesta del servidor
        int responseCode = con.getResponseCode();
        System.out.println("\nSending 'POST' request to URL : " + url);
        System.out.println("Post parameters : " + urlParameters);
        System.out.println("Response Code : " + responseCode);

        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        //Mostramos la respuesta del servidor por consola
        System.out.println(response);
        //cerramos la conexin
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.qpark.eip.core.spring.security.https.HttpsRequester.java

private static String read(final URL url, final String httpAuthBase64, final HostnameVerifier hostnameVerifier)
        throws IOException {
    StringBuffer sb = new StringBuffer(1024);
    HttpURLConnection connection = null;
    connection = (HttpURLConnection) url.openConnection();
    if (url.getProtocol().equalsIgnoreCase("https")) {
        connection = (HttpsURLConnection) url.openConnection();
        ((HttpsURLConnection) connection).setHostnameVerifier(hostnameVerifier);
    }//  ww w  .j  a  v  a2 s  . com
    if (httpAuthBase64 != null) {
        connection.setRequestProperty("Authorization", new StringBuffer(httpAuthBase64.length() + 6)
                .append("Basic ").append(httpAuthBase64).toString());
    }
    connection.setRequestProperty("Content-Type", "text/plain; charset=\"utf8\"");
    connection.setRequestMethod("GET");

    int returnCode = connection.getResponseCode();
    InputStream connectionIn = null;
    if (returnCode == 200) {
        connectionIn = connection.getInputStream();
    } else {
        connectionIn = connection.getErrorStream();
    }
    BufferedReader buffer = new BufferedReader(new InputStreamReader(connectionIn));
    String inputLine;
    while ((inputLine = buffer.readLine()) != null) {
        sb.append(inputLine);
    }
    buffer.close();

    return sb.toString();
}

From source file:no.ntnu.wifimanager.ServerUtilities.java

/**
 * Issue a POST request to server./*from w ww. ja  va2s  . co m*/
 *
 * @param serverUrl POST address.
 * @param params request parameters.
 *
 * @throws IOException propagated from POST.
 */
public static void HTTPpost(String serverUrl, Map<String, String> params, String contentType)
        throws IOException {
    URL url;
    try {
        url = new URL(serverUrl);
    } catch (MalformedURLException e) {
        throw new IllegalArgumentException("invalid url: " + serverUrl);
    }
    StringBuilder bodyBuilder = new StringBuilder();
    Iterator<Entry<String, String>> iterator = params.entrySet().iterator();
    // constructs the POST body using the parameters
    while (iterator.hasNext()) {
        Entry<String, String> param = iterator.next();
        bodyBuilder.append(param.getKey()).append('=').append(param.getValue());
        if (iterator.hasNext()) {
            bodyBuilder.append('&');
        }
    }
    String body = bodyBuilder.toString();
    Log.v(LOG_TAG, "Posting '" + body + "' to " + url);
    byte[] bytes = body.getBytes();
    HttpURLConnection conn = null;
    try {
        conn = (HttpURLConnection) url.openConnection();
        conn.setDoOutput(true);
        conn.setUseCaches(false);
        conn.setFixedLengthStreamingMode(bytes.length);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", contentType);
        // post the request
        OutputStream out = conn.getOutputStream();
        out.write(bytes);
        out.close();
        // handle the response
        int status = conn.getResponseCode();

        if (status != 200) {
            throw new IOException("Post failed with error code " + status);
        }
    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }
}

From source file:com.meetingninja.csse.database.UserDatabaseAdapter.java

public static List<User> getAllUsers() throws IOException {
    String _url = getBaseUri().appendPath("Users").build().toString();
    // Establish connection
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod(IRequest.GET);
    addRequestHeader(conn, false);/*from  w w  w . j  a v a 2  s  . c o m*/

    // Get server response
    int responseCode = conn.getResponseCode();
    String response = getServerResponse(conn);

    List<User> userList = new ArrayList<User>();
    final JsonNode userArray = MAPPER.readTree(response).get(Keys.User.LIST);

    if (userArray.isArray()) {
        for (final JsonNode userNode : userArray) {
            User u = parseUser(userNode);
            // assign and check null and do not add local user
            if (u != null) {
                userList.add(u);
            }
        }
    }

    conn.disconnect();
    return userList;
}

From source file:net.ftb.util.DownloadUtils.java

/**
 * Checks the file for corruption./*  w  ww.  j a  v  a2s. co m*/
 * @param file - File to check
 * @param url - base url to grab md5 with old method
 * @return boolean representing if it is valid
 * @throws IOException 
 */
public static boolean backupIsValid(File file, String url) throws IOException {
    Logger.logInfo("Issue with new md5 method, attempting to use backup method.");
    String content = null;
    Scanner scanner = null;
    String resolved = (downloadServers.containsKey(Settings.getSettings().getDownloadServer()))
            ? "http://" + downloadServers.get(Settings.getSettings().getDownloadServer())
            : Locations.masterRepo;
    resolved += "/md5/FTB2/" + url;
    HttpURLConnection connection = null;
    try {
        connection = (HttpURLConnection) new URL(resolved).openConnection();
        connection.setRequestProperty("Cache-Control", "no-transform");
        int response = connection.getResponseCode();
        if (response == 200) {
            scanner = new Scanner(connection.getInputStream());
            scanner.useDelimiter("\\Z");
            content = scanner.next();
        }
        if (response != 200 || (content == null || content.isEmpty())) {
            for (String server : backupServers.values()) {
                resolved = "http://" + server + "/md5/FTB2/" + url.replace("/", "%5E");
                connection = (HttpURLConnection) new URL(resolved).openConnection();
                connection.setRequestProperty("Cache-Control", "no-transform");
                response = connection.getResponseCode();
                if (response == 200) {
                    scanner = new Scanner(connection.getInputStream());
                    scanner.useDelimiter("\\Z");
                    content = scanner.next();
                    if (content != null && !content.isEmpty()) {
                        break;
                    }
                }
            }
        }
    } catch (IOException e) {
    } finally {
        connection.disconnect();
        if (scanner != null) {
            scanner.close();
        }
    }
    String result = fileMD5(file);
    Logger.logInfo("Local: " + result.toUpperCase());
    Logger.logInfo("Remote: " + content.toUpperCase());
    return content.equalsIgnoreCase(result);
}

From source file:com.meetingninja.csse.database.UserDatabaseAdapter.java

public static List<Project> getProject(String userID) throws IOException {
    // Server URL setup
    String _url = getBaseUri().appendPath("Projects").appendPath(userID).build().toString();
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod(IRequest.GET);
    addRequestHeader(conn, false);/* w  w  w .j a  va2 s  .co m*/

    // Get server response
    int responseCode = conn.getResponseCode();
    String response = getServerResponse(conn);
    // Initialize ObjectMapper
    List<Project> projectList = new ArrayList<Project>();
    final JsonNode projectArray = MAPPER.readTree(response).get(Keys.Project.LIST);
    if (projectArray.isArray()) {
        for (final JsonNode projectNode : projectArray) {
            Project p = new Project();
            p.setProjectID(projectNode.get(Keys.Project.ID).asText());
            ProjectDatabaseAdapter.getProject(p);
            if (p.getProjectID() != null && !p.getProjectID().isEmpty()) {
                projectList.add(p);
            }
        }
    } else {
        Log.e(TAG, "Error parsing user's project list");
    }
    conn.disconnect();
    return projectList;
}

From source file:com.meetingninja.csse.database.UserDatabaseAdapter.java

public static List<Meeting> getMeetings(String userID)
        throws JsonParseException, JsonMappingException, IOException {
    // Server URL setup
    String _url = getBaseUri().appendPath("Meetings").appendPath(userID).build().toString();

    // establish connection
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod("GET");
    addRequestHeader(conn, false);//from w  w w.  jav  a  2s .co  m

    // Get server response
    int responseCode = conn.getResponseCode();
    String response = getServerResponse(conn);

    // Initialize ObjectMapper
    List<Meeting> meetingsList = new ArrayList<Meeting>();
    List<String> meetingIDList = new ArrayList<String>();
    JsonNode responseNode = MAPPER.readTree(response);
    final JsonNode meetingsArray = responseNode.get(Keys.Meeting.LIST);

    if (meetingsArray != null && meetingsArray.isArray()) {
        for (final JsonNode meetingNode : meetingsArray) {
            String _id = meetingNode.get(Keys._ID).asText();
            if (!meetingNode.get("type").asText().equals("MADE_MEETING")) {
                meetingIDList.add(_id);
            }
        }
    } else {
        logError(TAG, responseNode);
    }

    conn.disconnect();
    for (String id : meetingIDList) {
        meetingsList.add(MeetingDatabaseAdapter.getMeetingInfo(id));
    }
    return meetingsList;
}

From source file:com.talk.demo.util.NetworkUtilities.java

/**
 * Connects to the SampleSync test server, authenticates the provided
 * username and password./*from w  w  w  .j a  v  a  2  s.  c  om*/
 *
 * @param username The server account username
 * @param password The server account password
 * @return String The authentication token returned by the server (or null)
 */
/*
public static String authenticate(String username, String password) {
        
final HttpResponse resp;
final ArrayList<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair(PARAM_USERNAME, username));
params.add(new BasicNameValuePair(PARAM_PASSWORD, password));
final HttpEntity entity;
try {
    entity = new UrlEncodedFormEntity(params);
} catch (final UnsupportedEncodingException e) {
    // this should never happen.
    throw new IllegalStateException(e);
}
Log.i(TAG, "Authenticating to: " + AUTH_URI);
final HttpPost post = new HttpPost(AUTH_URI);
post.addHeader(entity.getContentType());
post.setEntity(entity);
try {
    resp = getHttpClient().execute(post);
    String authToken = null;
    if (resp.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
        InputStream istream = (resp.getEntity() != null) ? resp.getEntity().getContent()
                : null;
        if (istream != null) {
            BufferedReader ireader = new BufferedReader(new InputStreamReader(istream));
            authToken = ireader.readLine().trim();
        }
    }
    if ((authToken != null) && (authToken.length() > 0)) {
        Log.v(TAG, "Successful authentication");
        return authToken;
    } else {
        Log.e(TAG, "Error authenticating" + resp.getStatusLine());
        return null;
    }
} catch (final IOException e) {
    Log.e(TAG, "IOException when getting authtoken", e);
    return null;
} finally {
    Log.v(TAG, "getAuthtoken completing");
}
}
*/

public static String signup(String username, String email, String password) {
    String authToken = null;
    String csrfToken2 = null;
    try {
        HttpURLConnection conn = HttpRequest.get(SIGNUP_URI).getConnection();
        //ToDo: cookie header may be null, should fix it.
        List<String> cookieHeader = conn.getHeaderFields().get("Set-Cookie");
        for (String resItem : cookieHeader) {
            Log.d(TAG, "cookie session: " + resItem);
            if (resItem.contains("sessionid")) {
                authToken = resItem.split(";")[0];
                Log.d(TAG, "session :" + authToken);
            }

            if (resItem.contains("csrftoken")) {
                csrfToken2 = resItem.split(";")[0];
                Log.d(TAG, "csrf token :" + csrfToken2);
            }

        }
        Log.d(TAG, "cookie: " + cookieHeader);

        String csrfToken = csrfToken2;
        Log.d(TAG, "csrf token : " + csrfToken);

        HttpRequest request = HttpRequest.post(SIGNUP_URI);
        String name = username;
        String mail = email;
        String passwd = password;
        Map<String, String> data = new HashMap<String, String>();
        data.put("username", name);
        data.put("email", mail);
        data.put("password", passwd);
        data.put("password_confirm", passwd);
        data.put("csrfmiddlewaretoken", csrfToken.substring(10));
        Log.d(TAG, "name: " + username + " passwd: " + password);
        // X-CSRFToken
        Map<String, String> headers = new HashMap<String, String>();
        headers.put("Content-Type", "text/html");
        headers.put("Cookie", csrfToken);
        Log.d(TAG, "our cookie: " + csrfToken);
        request.headers(headers);
        //request.followRedirects(false);
        HttpRequest conn4Session = request.form(data);
        conn4Session.code();
        HttpURLConnection sessionConnection = conn4Session.getConnection();
        try {
            int result = sessionConnection.getResponseCode();
            Log.e(TAG, "get response code : " + result);

        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    } catch (HttpRequestException exception) {
        Log.d(TAG, "exception : " + exception.toString());
        return null;
    } finally {
        Log.v(TAG, "signup completing");
    }

    return "ok";

}