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.meetingninja.csse.database.ContactDatabaseAdapter.java

public static List<Contact> deleteContact(String relationID) throws IOException {

    String _url = getBaseUri().appendPath("Relations").appendPath(relationID).build().toString();
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod(IRequest.DELETE);

    addRequestHeader(conn, false);/*from   w ww  . jav a 2 s  . c om*/
    int responseCode = conn.getResponseCode();
    String response = getServerResponse(conn);

    boolean result = false;
    JsonNode tree = MAPPER.readTree(response);
    if (!response.isEmpty()) {
        if (!tree.has(Keys.DELETED)) {
            result = true;
        } else {
            logError(TAG, tree);
        }
    }

    conn.disconnect();
    SessionManager session = SessionManager.getInstance();
    List<Contact> contacts = getContacts(session.getUserID());
    return contacts;
}

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From source file:Main.java

public static boolean isConnectionAvailable() {
    class NetworkCheckTask extends AsyncTask<Void, Void, Boolean> {

        @Override//ww  w.ja  va  2s  .  co  m
        protected Boolean doInBackground(Void... params) {
            try {
                URL url = new URL(MAD_SERVER + "/sync.html");
                HttpURLConnection conn = null;
                conn = (HttpURLConnection) url.openConnection();
                conn.setConnectTimeout(999);
                conn.setRequestMethod("GET");
                conn.setDoInput(true);
                conn.connect();
                if (conn.getResponseCode() == 200)
                    return true;
                else
                    return false;
            } catch (Exception e) {
                return false;
            }
        }

    }

    try {
        NetworkCheckTask async = new NetworkCheckTask();
        async.execute();
        return async.get();
    } catch (Exception e) {
        return false;
    }
}

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From source file:eu.liveandgov.ar.utilities.OS_Utils.java

/**      
 * Check if URL exists /*from   w ww . j  a  v a 2  s .  c o  m*/
 *        
 * @param urlSTR
 * @return
 */
public static boolean exists(String URLName) {
    try {
        HttpURLConnection.setFollowRedirects(false);
        // note : you may also need
        //        HttpURLConnection.setInstanceFollowRedirects(false)
        HttpURLConnection con = (HttpURLConnection) new URL(URLName).openConnection();
        con.setRequestMethod("HEAD");

        return (con.getResponseCode() == HttpURLConnection.HTTP_OK);
    } catch (Exception e) {

        return false;
    }
}

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

private static String sendDELETE(URL url, HttpURLConnection con) throws IOException {

    logger.log(Level.INFO, "Sending DELETE 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;// w  w w.jav  a2  s . c o  m
    StringBuilder responseStr = new StringBuilder();

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

    return responseStr.toString();

}

---

From source file:de.egore911.versioning.deployer.Main.java

private static void perform(String arg, CommandLine line) throws IOException {
    URL url;/* w  w  w  . j  a  va2s  .c o m*/
    try {
        url = new URL(arg);
    } catch (MalformedURLException e) {
        LOG.error("Invalid URI: {}", e.getMessage(), e);
        System.exit(1);
        return;
    }

    HttpURLConnection connection;
    try {
        connection = (HttpURLConnection) url.openConnection();
        int response = connection.getResponseCode();
        if (response != HttpURLConnection.HTTP_OK) {
            LOG.error("Could not download {}", url);
            connection.disconnect();
            System.exit(1);
            return;
        }
    } catch (ConnectException e) {
        LOG.error("Error during download from URI {}: {}", url, e.getMessage());
        System.exit(1);
        return;
    }

    XmlHolder xmlHolder = XmlHolder.getInstance();
    DocumentBuilder documentBuilder = xmlHolder.documentBuilder;
    XPath xPath = xmlHolder.xPath;

    try {

        XPathExpression serverNameXpath = xPath.compile("/server/name/text()");
        XPathExpression serverTargetdirXpath = xPath.compile("/server/targetdir/text()");
        XPathExpression serverDeploymentsDeploymentXpath = xPath.compile("/server/deployments/deployment");

        Document doc = documentBuilder.parse(connection.getInputStream());
        connection.disconnect();

        String serverName = (String) serverNameXpath.evaluate(doc, XPathConstants.STRING);
        LOG.info("Deploying {}", serverName);

        boolean shouldPerformCopy = !line.hasOption('r');
        PerformCopy performCopy = new PerformCopy(xPath);
        boolean shouldPerformExtraction = !line.hasOption('r');
        PerformExtraction performExtraction = new PerformExtraction(xPath);
        boolean shouldPerformCheckout = !line.hasOption('r');
        PerformCheckout performCheckout = new PerformCheckout(xPath);
        boolean shouldPerformReplacement = true;
        PerformReplacement performReplacement = new PerformReplacement(xPath);

        String targetdir = (String) serverTargetdirXpath.evaluate(doc, XPathConstants.STRING);
        FileUtils.forceMkdir(new File(targetdir));

        NodeList serverDeploymentsDeploymentNodes = (NodeList) serverDeploymentsDeploymentXpath.evaluate(doc,
                XPathConstants.NODESET);
        int max = serverDeploymentsDeploymentNodes.getLength();
        for (int i = 0; i < serverDeploymentsDeploymentNodes.getLength(); i++) {
            Node serverDeploymentsDeploymentNode = serverDeploymentsDeploymentNodes.item(i);

            // Copy
            if (shouldPerformCopy) {
                performCopy.perform(serverDeploymentsDeploymentNode);
            }

            // Extraction
            if (shouldPerformExtraction) {
                performExtraction.perform(serverDeploymentsDeploymentNode);
            }

            // Checkout
            if (shouldPerformCheckout) {
                performCheckout.perform(serverDeploymentsDeploymentNode);
            }

            // Replacement
            if (shouldPerformReplacement) {
                performReplacement.perform(serverDeploymentsDeploymentNode);
            }

            logPercent(i + 1, max);
        }

        // validate that "${versioning:" is not present
        Collection<File> files = FileUtils.listFiles(new File(targetdir), TrueFileFilter.TRUE,
                TrueFileFilter.INSTANCE);
        for (File file : files) {
            String content;
            try {
                content = FileUtils.readFileToString(file);
            } catch (IOException e) {
                continue;
            }
            if (content.contains("${versioning:")) {
                LOG.error("{} contains placeholders even after applying the replacements",
                        file.getAbsolutePath());
            }
        }

        LOG.info("Done deploying {}", serverName);

    } catch (SAXException | IOException | XPathExpressionException e) {
        LOG.error("Error performing deployment: {}", e.getMessage(), e);
    }
}

---

From source file:com.android.dialer.omni.PlaceUtil.java

/**
 * Executes a GET request and return a JSON object
 * @param url The API URL/*from   w  w w.  j a v  a  2s .c  o  m*/
 * @return the JSON object
 * @throws IOException
 * @throws JSONException
 */
public static JSONObject getJsonRequest(String url) throws IOException, JSONException {
    URL obj = new URL(url);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();

    con.setRequestMethod("GET");

    if (DEBUG)
        Log.d(TAG, "Getting JSON from: " + url);

    con.setDoOutput(true);
    int responseCode = con.getResponseCode();

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

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

    JSONObject json = new JSONObject(response.toString());
    return json;
}

---

From source file:javaphpmysql.JavaPHPMySQL.java

public static void sendGet() {
    //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 {//w  w w.j  a va 2  s . co  m
        //Codificar el json a URL
        jsonString = URLEncoder.encode(jsonString, "UTF-8");
        //Generar la URL
        String url = SERVER_PATH + "listenGet.php?json=" + jsonString;
        URL obj = new URL(url);
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();

        // optional default is GET
        con.setRequestMethod("GET");

        //add request header
        con.setRequestProperty("User-Agent", USER_AGENT);

        int responseCode = con.getResponseCode();
        System.out.println("\nSending 'GET' request to URL : " + url);
        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);
        }
        in.close();

        //print result
        System.out.println(response.toString());
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:imageLines.ImageHelpers.java

/**Read a jpeg image from a url into a BufferedImage*/
public static BufferedImage readAsBufferedImage(URL imageURL) {
    InputStream i = null;//from w  w w  . jav  a2 s . c o m
    try {
        URLConnection u = imageURL.openConnection();
        u.setRequestProperty("User-Agent",
                "Mozilla/5.0 (X11; Linux i686) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.151 Safari/535.19");
        if (u instanceof HttpURLConnection) {
            HttpURLConnection h = (HttpURLConnection) u;
            if (h.getResponseCode() == 403)
                throw new Exception("403 forbidden");
        }

        i = u.getInputStream();

        BufferedImage bi = ImageIO.read(i);
        return bi;
    } catch (Exception e) {
        System.out.println(e + " for " + imageURL.toString() + "\n");
        return null;
    } finally {
        try {
            i.close();
        } catch (IOException ex) {

        }
    }
}

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From source file:de.egore911.versioning.deployer.performer.PerformExtraction.java

private static boolean extract(String uri, List<ExtractionPair> extractions) {
    URL url;/*w w  w .  j ava2  s.c  o  m*/
    try {
        url = new URL(uri);
    } catch (MalformedURLException e) {
        LOG.error("Invalid URI: {}", e.getMessage(), e);
        return false;
    }
    try {
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        int response = connection.getResponseCode();

        int lastSlash = uri.lastIndexOf('/');
        if (lastSlash < 0) {
            LOG.error("Invalid URI: {}", uri);
            return false;
        }

        int lastDot = uri.lastIndexOf('.');
        if (lastDot < 0) {
            LOG.error("Invalid URI: {}", uri);
            return false;
        }

        File downloadFile = File.createTempFile(uri.substring(lastSlash + 1), uri.substring(lastDot + 1));
        downloadFile.deleteOnExit();

        if (response == HttpURLConnection.HTTP_OK) {
            try (InputStream in = connection.getInputStream();
                    FileOutputStream out = new FileOutputStream(downloadFile)) {
                IOUtils.copy(in, out);
            }
            LOG.debug("Downloaded {} to {}", url, downloadFile.getAbsolutePath());

            Set<ExtractionPair> usedExtractions = new HashSet<>();

            // Perform extractions
            try (ZipFile zipFile = new ZipFile(downloadFile)) {
                Enumeration<? extends ZipEntry> entries = zipFile.entries();
                while (entries.hasMoreElements()) {
                    ZipEntry entry = entries.nextElement();

                    // Only extract files
                    if (entry.isDirectory()) {
                        continue;
                    }

                    for (ExtractionPair extraction : extractions) {
                        String sourcePattern = extraction.source;
                        if (FilenameUtils.wildcardMatch(entry.getName(), sourcePattern)) {
                            usedExtractions.add(extraction);
                            LOG.debug("Found matching file {} for source pattern {}", entry.getName(),
                                    sourcePattern);
                            String filename = getSourcePatternMatch(entry.getName(), sourcePattern);
                            // Workaround: If there is no matcher in 'sourcePattern' it will return the
                            // complete path. Strip it down to the filename
                            if (filename.equals(entry.getName())) {
                                int lastIndexOf = filename.lastIndexOf('/');
                                if (lastIndexOf >= 0) {
                                    filename = filename.substring(lastIndexOf + 1);
                                }
                            }
                            String name = UrlUtil.concatenateUrlWithSlashes(extraction.destination, filename);
                            FileUtils.forceMkdir(new File(name).getParentFile());
                            try (InputStream in = zipFile.getInputStream(entry);
                                    FileOutputStream out = new FileOutputStream(name)) {
                                IOUtils.copy(in, out);
                            }
                            LOG.debug("Extracted {} to {} from {}", entry.getName(), name, uri);
                        }
                    }
                }
            }

            for (ExtractionPair extraction : extractions) {
                if (!usedExtractions.contains(extraction)) {
                    LOG.debug("Extraction {} to {} not used on {}", extraction.source, extraction.destination,
                            uri);
                }
            }

            return true;
        } else {
            LOG.error("Could not download file: {}", uri);
            return false;
        }
    } catch (IOException e) {
        LOG.error("Could not download file: {}", e.getMessage(), e);
        return false;
    }
}

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From source file:com.microsoft.intellij.util.WAHelper.java

public static void sendGet(String sitePath) throws Exception {
    URL url = new URL(sitePath);
    HttpURLConnection con = (HttpURLConnection) url.openConnection();
    con.setRequestMethod("GET");
    con.setRequestProperty("User-Agent", "AzureToolkit for Intellij");
    int responseCode = con.getResponseCode();
}

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