Example usage for java.net HttpURLConnection disconnect

List of usage examples for java.net HttpURLConnection disconnect

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Introduction

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

Prototype

public abstract void disconnect();

Source Link

Document

Indicates that other requests to the server are unlikely in the near future.

Usage

From source file:eu.seaclouds.platform.planner.optimizerTest.service.OptimizerServiceOpenShiftTest.java

@Test(enabled = false)
public void testPresenceHeartbeatDIRECT() {

    String urlstring = "http://localhost:8080/optimizer/";
    log.info("=== TEST for presence of OPTIMIZER service heartbeat IN OPENSHIFT " + "urlstring " + "===");

    String outputLine;//  w  w w  .j  ava 2 s  .co m
    String completeOutput = "";

    try {

        URL url = new URL(urlstring + "heartbeat");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");

        Assert.assertTrue(conn.getResponseCode() == 200, "Error requesting heartbeat in " + urlstring
                + " . Instead of 200 we have received code " + conn.getResponseCode());

        BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));

        while ((outputLine = br.readLine()) != null) {
            completeOutput += NL + outputLine;
        }

        conn.disconnect();

    } catch (MalformedURLException e) {

        e.printStackTrace();

    } catch (IOException e) {

        e.printStackTrace();

    }

    Assert.assertTrue(completeOutput.contains("alive"),
            "Optimizer NOT alive. Response of heartbeat is: " + completeOutput);

    log.info("=== TEST for presence of OPTIMIZER SERVICE DEPLOYED IN OPENSHIFT service heartbeatin "
            + "urlstring " + " FINISHED ===");

}

From source file:com.francetelecom.clara.cloud.mvn.consumer.maven.MavenDeployer.java

/**
 * Verify that a given url can be reached
 * //from   ww  w .  j  a v  a2  s.  c  om
 * @param url
 * @return true if valid, false if not
 */
boolean isValidUrl(URL url) {
    logger.debug("Testing url: " + url);
    HttpURLConnection huc = null;
    int responseCode = 0;
    try {
        huc = openHttpUrlConnection(url);
        huc.setRequestMethod("HEAD");
        // set a long enough timeout to be protected against slow
        // network/server response time
        huc.setReadTimeout(30000);
        huc.connect();
        responseCode = huc.getResponseCode();
    } catch (IOException e) {
        logger.error("unable to test url " + url, e);
    } finally {
        if (huc != null)
            huc.disconnect();
    }
    boolean isValid = (responseCode == 200);
    if (!isValid)
        logger.warn("Http HEAD on Url " + url + " returns " + responseCode);
    return isValid;
}

From source file:costumetrade.common.sms.SMSActor.java

/**
 * HttpURLConnectionpost???//  www  . ja va2 s. c  o m
 */
private String sendPostRequestByForm(String path, String params) {
    HttpURLConnection conn = null;
    InputStream inStream = null;
    try {
        URL url = new URL(path);
        conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("POST");// ???
        conn.setDoOutput(true);// ??
        conn.setDoInput(true);
        conn.getOutputStream().write(params.getBytes());// ?
        inStream = conn.getInputStream();
        return IOUtils.toString(inStream, StandardCharsets.UTF_8);
    } catch (Exception e) {
        throw new RuntimeException("??", e);
    } finally {
        IOUtils.closeQuietly(inStream);
        if (conn != null) {
            conn.disconnect();
        }
    }
}

From source file:com.QuarkLabs.BTCeClient.exchangeApi.SimpleRequest.java

/**
 * Makes simple non-authenticated request
 *
 * @param urlString URL of Trade API//  ww w.  j  av a  2  s . c o m
 * @return Response of type JSONObject
 * @throws JSONException
 */
@Nullable
public JSONObject makeRequest(String urlString) throws JSONException {

    HttpURLConnection connection = null;
    BufferedReader rd = null;
    try {
        URL url = new URL(urlString);
        connection = (HttpURLConnection) url.openConnection();
        InputStream response = connection.getInputStream();
        StringBuilder sb = new StringBuilder();
        if (connection.getResponseCode() == HttpURLConnection.HTTP_OK) {
            rd = new BufferedReader(new InputStreamReader(response));
            String line;
            while ((line = rd.readLine()) != null) {
                sb.append(line);
            }
            return new JSONObject(sb.toString());
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
        if (rd != null) {
            try {
                rd.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return null;
}

From source file:com.amastigote.xdu.query.module.EduSystem.java

private void preLogin() throws IOException {
    URL url = new URL(SYS_HOST);
    HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
    httpURLConnection.setInstanceFollowRedirects(false);
    httpURLConnection.connect();//from w ww  .j  ava2 s .com
    List<String> cookies_to_set_a = httpURLConnection.getHeaderFields().get("Set-Cookie");
    for (String e : cookies_to_set_a)
        if (e.contains("JSESSIONID="))
            SYS_JSESSIONID = e.substring(e.indexOf("JSESSIONID=") + 11, e.indexOf(";"));
    httpURLConnection.disconnect();

    httpURLConnection = (HttpURLConnection) url.openConnection();
    httpURLConnection.setInstanceFollowRedirects(true);
    httpURLConnection.connect();

    List<String> cookies_to_set = httpURLConnection.getHeaderFields().get("Set-Cookie");
    for (String e : cookies_to_set) {
        if (e.contains("route="))
            ROUTE = e.substring(6);
        else if (e.contains("JSESSIONID="))
            LOGIN_JSESSIONID = e.substring(11, e.indexOf(";"));
        else if (e.contains("BIGipServeridsnew.xidian.edu.cn="))
            BIGIP_SERVER_IDS_NEW = e.substring(32, e.indexOf(";"));
    }

    BufferedReader bufferedReader = new BufferedReader(
            new InputStreamReader(httpURLConnection.getInputStream()));
    String html = "";
    String temp;

    while ((temp = bufferedReader.readLine()) != null) {
        html += temp;
    }

    Document document = Jsoup.parse(html);
    Elements elements = document.select("input[type=hidden]");

    for (Element element : elements) {
        switch (element.attr("name")) {
        case "lt":
            LOGIN_PARAM_lt = element.attr("value");
            break;
        case "execution":
            LOGIN_PARAM_execution = element.attr("value");
            break;
        case "_eventId":
            LOGIN_PARAM__eventId = element.attr("value");
            break;
        case "rmShown":
            LOGIN_PARAM_rmShown = element.attr("value");
            break;
        }
    }
}

From source file:edu.purdue.cybercenter.dm.storage.GlobusStorageFileManager.java

private int activateEndpoint(String endPoint, String token) throws MalformedURLException, IOException {
    String activate = "/endpoint/" + endPoint.replaceAll("#", "%23") + "/autoactivate";
    System.out.println(activate);
    URL url = new URL(globusBaseUrl + activate);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod("POST");
    connection.setRequestProperty("Authorization", "Globus-Goauthtoken " + token);
    connection.setDoOutput(false);/*from  w  ww  . j av  a 2  s.c om*/
    connection.connect();
    int responseCode = connection.getResponseCode();
    connection.disconnect();

    return responseCode;
}

From source file:io.mindmaps.engine.loader.DistributedLoader.java

public void submitBatch(Collection<Var> batch) {
    String batchedString = batch.stream().map(Object::toString).collect(Collectors.joining(";"));

    if (batchedString.length() == 0) {
        return;/*from w  w  w  . ja  va 2  s .  c  om*/
    }

    HttpURLConnection currentConn = acquireNextHost();
    String query = REST.HttpConn.INSERT_PREFIX + batchedString;

    executePost(currentConn, query);

    int responseCode = getResponseCode(currentConn);
    if (responseCode != REST.HttpConn.HTTP_TRANSACTION_CREATED) {
        throw new HTTPException(responseCode);
    }

    markAsLoading(getResponseBody(currentConn));
    LOG.info("Transaction sent to host: " + hostsArray[currentHost]);

    if (future == null) {
        startCheckingStatus();
    }

    currentConn.disconnect();
}

From source file:us.nineworlds.plex.rest.PlexappFactory.java

/**
 * @param resourceURL//from  w  ww  .  java 2 s.c  o  m
 * @param con
 * @return
 */
protected boolean requestSuccessful(String resourceURL) {
    HttpURLConnection con = null;
    try {
        URL url = new URL(resourceURL);
        con = (HttpURLConnection) url.openConnection();
        con.setDefaultUseCaches(false);
        int responseCode = con.getResponseCode();
        if (responseCode == 200) {
            return true;
        }
    } catch (Exception ex) {
        return false;
    } finally {
        if (con != null) {
            con.disconnect();
        }
    }
    return false;
}

From source file:org.runnerup.export.GarminSynchronizer.java

private Status connectNew() throws MalformedURLException, IOException, JSONException {
    Status s = Status.NEED_AUTH;//from   w w w .j  av a 2 s  .c o  m
    s.authMethod = Synchronizer.AuthMethod.USER_PASS;

    FormValues fv = new FormValues();
    fv.put("service", "https://connect.garmin.com/post-auth/login");
    fv.put("clientId", "GarminConnect");
    fv.put("consumeServiceTicket", "false");

    HttpURLConnection conn = get("https://sso.garmin.com/sso/login", fv);
    addCookies(conn);
    expectResponse(conn, 200, "Connection 1: ");
    getCookies(conn);
    getFormValues(conn);
    conn.disconnect();

    // try again
    FormValues data = new FormValues();
    data.put("username", username);
    data.put("password", password);
    data.put("_eventId", "submit");
    data.put("embed", "true");
    data.put("lt", formValues.get("lt"));

    conn = post("https://sso.garmin.com/sso/login", fv);
    conn.setInstanceFollowRedirects(false);
    conn.addRequestProperty("Content-Type", "application/x-www-form-urlencoded");
    addCookies(conn);
    SyncHelper.postData(conn, data);
    expectResponse(conn, 200, "Connection 2: ");
    getCookies(conn);
    String html = getFormValues(conn);
    conn.disconnect();

    /* this is really horrible */
    int start = html.indexOf("?ticket=");
    if (start == -1) {
        throw new IOException("Invalid login, unable to locate ticket");
    }
    start += "?ticket=".length();
    int end = html.indexOf("'", start);
    String ticket = html.substring(start, end);
    Log.e(getName(), "ticket: " + ticket);

    // connection 3...
    fv.clear();
    fv.put("ticket", ticket);

    conn = get("https://connect.garmin.com/post-auth/login", fv);
    conn.setInstanceFollowRedirects(false);
    addCookies(conn);
    for (int i = 0;; i++) {
        int code = conn.getResponseCode();
        Log.e(getName(), "attempt: " + i + " => code: " + code);
        getCookies(conn);
        if (code == HttpStatus.SC_OK)
            break;
        if (code != HttpStatus.SC_MOVED_TEMPORARILY)
            break;
        List<String> fields = conn.getHeaderFields().get("location");
        conn.disconnect();
        conn = get(fields.get(0), null);
        conn.setInstanceFollowRedirects(false);
        addCookies(conn);
    }
    conn.disconnect();

    return Status.OK; // return checkLogin();
}

From source file:com.mobiperf_library.measurements.PingTask.java

/** 
 * Use the HTTP Head method to emulate ping. The measurement from this method can be 
 * substantially (2x) greater than the first two methods and inaccurate. This is because, 
 * depending on the implementing of the destination web server, either a quick HTTP
 * response is replied or some actual heavy lifting will be done in preparing the response
 * *//*w  w w. j  a va  2  s.  co  m*/
private MeasurementResult executeHttpPingTask() throws MeasurementError {
    long pingStartTime = 0;
    long pingEndTime = 0;
    ArrayList<Double> rrts = new ArrayList<Double>();
    PingDesc pingTask = (PingDesc) this.measurementDesc;
    String errorMsg = "";
    MeasurementResult result = null;

    try {
        long totalPingDelay = 0;

        URL url = new URL("http://" + pingTask.target);

        int timeOut = (int) (3000 * (double) pingTask.pingTimeoutSec / Config.PING_COUNT_PER_MEASUREMENT);

        for (int i = 0; i < Config.PING_COUNT_PER_MEASUREMENT; i++) {
            pingStartTime = System.currentTimeMillis();
            HttpURLConnection httpClient = (HttpURLConnection) url.openConnection();
            httpClient.setRequestProperty("Connection", "close");
            httpClient.setRequestMethod("HEAD");
            httpClient.setReadTimeout(timeOut);
            httpClient.setConnectTimeout(timeOut);
            httpClient.connect();
            pingEndTime = System.currentTimeMillis();
            httpClient.disconnect();
            rrts.add((double) (pingEndTime - pingStartTime));
            this.progress = 100 * i / Config.PING_COUNT_PER_MEASUREMENT;
            broadcastProgressForUser(progress);
        }
        Logger.i("HTTP get ping succeeds");
        Logger.i("RTT is " + rrts.toString());
        double packetLoss = 1 - ((double) rrts.size() / (double) Config.PING_COUNT_PER_MEASUREMENT);
        result = constructResult(rrts, packetLoss, Config.PING_COUNT_PER_MEASUREMENT, PING_METHOD_HTTP);
    } catch (MalformedURLException e) {
        Logger.e(e.getMessage());
        errorMsg += e.getMessage() + "\n";
    } catch (IOException e) {
        Logger.e(e.getMessage());
        errorMsg += e.getMessage() + "\n";
    }
    if (result != null) {
        return result;
    } else {
        Logger.i("HTTP get ping fails");
        throw new MeasurementError(errorMsg);
    }
}