Example usage for java.util Scanner Scanner

List of usage examples for java.util Scanner Scanner

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Introduction

In this page you can find the example usage for java.util Scanner Scanner.

Prototype

public Scanner(ReadableByteChannel source)

Source Link

Document

Constructs a new Scanner that produces values scanned from the specified channel.

Usage

From source file:HackathonSupporter.java

@Override
/**/*from   w w w  .  j ava 2 s .  c  om*/
 * Returns the banner after searching in the file.
 * @param advId The forced advertisement id you get from GET request
 * @param width the requested width
 * @param height the request height
 * @param segmentId the segment ID you get by reading the cookie
 * @context object of ServletContext which is needed to read the config.properties file
 */
public String readFromFile(String advId, int width, int height, int segmentId, ServletContext context,
        int callingFlag) {
    File file = null;
    Scanner fis = null;
    String banner = null;
    try {
        //read the filename and mappingFilename form the config.properties file
        Properties prop = new Properties();
        if (callingFlag == 0) {
            prop.load(new InputStreamReader(context.getResourceAsStream("/WEB-INF/config.properties")));
        } else if (callingFlag == 1) {
            prop.load(new FileReader(
                    "/home/sankalpkulshrestha/NetBeansProjects/AdServer/web/WEB-INF/config.properties"));
        } else {
            return DEFAULT_BANNER;
        }
        //filename contains the list of advId, width, height, banner,segmentID. The filename is input.txt
        String filename = prop.getProperty("filename");
        //mappingFilename contains the mapping of the advId and the default banner address
        String mappingFilename = prop.getProperty("mappingFilename");

        file = new File(filename);
        fis = new Scanner(file);
        String line = null;
        //read the each line of input.txt, split it by comma and store it in param String array
        String[] param = new String[5];
        //w and h hold the width and height respectively.
        //flag keeps track of whether a corresponding advId is found for a segnment ID, in case the advId is null
        int w = -1, h = -1, flag = 0;
        while (fis.hasNextLine()) {
            //read each line and split by comma
            line = fis.nextLine();
            param = line.split(",");
            //read the width and height from the input.txt
            w = Integer.parseInt(param[1]);
            h = Integer.parseInt(param[2]);
            //in case we are not getting and forced advertisement ID, we keep searching for the corresponding advId is found for a segnment ID
            if ((advId == null || advId.length() == 0) && flag == 0
                    && segmentId == Integer.parseInt(param[4])) {
                flag = 1;
                advId = param[0];
            }
            //in case segment ID is not 0 and segmentId is same as the segment ID found from the file of same width
            //and height as the requested width and height, we set the corresponding banner from the file and break away
            if (segmentId != 0 && segmentId == Integer.parseInt(param[4]) && w == width && h == height) {
                banner = param[3];
                break;
            }
        }
        //close the input.txt file
        if (fis != null) {
            fis.close();
        }

        //if till now the banner is still null and the advId is not null
        //then we check the mapping.txt file for finding the default banner of the campaign 
        //the advId points to
        if (banner == null && advId != null) {
            File file2 = new File(mappingFilename);
            Scanner fis2 = null;
            fis2 = new Scanner(file2);
            param = new String[2];
            while (fis2.hasNextLine()) {
                line = fis2.nextLine();
                param = line.split(",");
                if (param[0].equals(advId)) {
                    banner = param[1];
                    break;
                }
            }
            //close the mapping.txt file
            if (fis2 != null) {
                fis2.close();
            }
        } else if (banner == null && advId == null) {
            //in case the banner is null and the advId is null, we return the default banner
            return DEFAULT_BANNER;
        }
    } catch (IOException e) {
        //in case of any exception, we return the default banner
        return DEFAULT_BANNER;
    } finally {
        //close the file
        if (fis != null) {
            fis.close();
        }
    }
    return banner;
}

From source file:com.joliciel.talismane.machineLearning.TextFileResource.java

public TextFileResource(File file) {
    try {//  ww w .j a v  a 2s.  c  o m
        this.name = file.getName();

        Scanner scanner = new Scanner(file);
        int numParts = -1;
        int i = 1;
        while (scanner.hasNextLine()) {
            String line = scanner.nextLine();
            if (line.length() > 0 && !line.startsWith("#")) {
                StringBuilder sb = new StringBuilder();
                String[] parts = line.split("\t");
                if (parts.length == 1 && line.startsWith("Name: ")) {
                    this.name = line.substring("Name: ".length());
                    i++;
                    continue;
                }
                if (parts.length == 1 && line.startsWith("Multivalued: ")) {
                    boolean multivalued = line.substring("Multivalued: ".length()).equalsIgnoreCase("true");
                    if (multivalued)
                        throw new JolicielException("Did not expect multivalued resource");
                    i++;
                    continue;
                }
                if (numParts < 0)
                    numParts = parts.length;
                if (parts.length != numParts)
                    throw new JolicielException(
                            "Wrong number of elements on line " + i + " in file: " + file.getName());

                for (int j = 0; j < numParts - 1; j++) {
                    sb.append(parts[j]);
                    sb.append("|");
                }
                String key = sb.toString();
                String value = parts[numParts - 1];
                resultMap.put(key, value);

            }
            i++;
        }
    } catch (IOException e) {
        LogUtils.logError(LOG, e);
        throw new RuntimeException(e);
    }
}

From source file:org.arasthel.almeribus.utils.LoadFromWeb.java

public static int cargarParadasLinea(Context context, int numeroLinea) {
    if (!isConnectionEnabled(context)) {
        return SIN_CONEXION;
    }/*from   ww  w  .j  a v a 2s.c  o  m*/
    try {
        if (cookie == null) {
            if (loadCookie() == MANTENIMIENTO) {
                return MANTENIMIENTO;
            }
        }
        URL url = new URL(QUERY_ADDRESS_PARADAS_LINEA + numeroLinea);
        URLConnection connection = url.openConnection();
        connection.setConnectTimeout(15000);
        connection.setReadTimeout(30000);
        connection.setRequestProperty("Cookie", "ASP.NET_SessionId=" + cookie);
        connection.setRequestProperty("REFERER", "http://m.surbus.com/tiempo-espera");
        connection.setRequestProperty("Content-Type", "application/json;charset=utf-8");
        connection.setRequestProperty("X-Requested-With", "XMLHttpRequest");
        connection.connect();
        Scanner scan = new Scanner(connection.getInputStream());
        StringBuilder strBuilder = new StringBuilder();
        while (scan.hasNextLine()) {
            strBuilder.append(scan.nextLine());
        }
        scan.close();
        JSONObject json = new JSONObject(strBuilder.toString());
        Log.d("Almeribus", strBuilder.toString());
        boolean isSuccessful = json.getBoolean("success");
        if (isSuccessful) {
            DataStorage.DBHelper.eliminarParadasLinea(numeroLinea);
            Linea l = new Linea(numeroLinea);
            JSONArray list = json.getJSONArray("list");
            Parada primeraParada = null;
            Parada paradaAnterior = null;
            for (int i = 0; i < list.length(); i++) {
                JSONObject paradaJSON = list.getJSONObject(i);
                int numeroParada = paradaJSON.getInt("IdBusStop");
                String nombreParada = paradaJSON.getString("Name");
                Parada p = null;
                if (DataStorage.paradas.containsKey(numeroParada)) {
                    p = DataStorage.paradas.get(numeroParada);
                    p.setNombre(nombreParada);
                } else {
                    p = new Parada(numeroParada, nombreParada);
                }
                synchronized (DataStorage.DBHelper) {
                    DataStorage.DBHelper.addInfoParada(numeroParada, nombreParada);
                }
                p.addLinea(l.getNumero());
                if (paradaAnterior != null) {
                    p.setAnterior(paradaAnterior.getId(), numeroLinea);
                }

                if (i == 0) {
                    primeraParada = p;
                } else if (i == list.length() - 1) {
                    primeraParada.setAnterior(p.getId(), numeroLinea);
                    p.setSiguiente(primeraParada.getId(), numeroLinea);
                }

                if (paradaAnterior != null) {
                    paradaAnterior.setSiguiente(p.getId(), numeroLinea);
                }

                paradaAnterior = p;
                synchronized (DataStorage.paradas) {
                    if (DataStorage.paradas.containsKey(numeroParada)) {
                        DataStorage.paradas.remove(numeroParada);
                    }
                    DataStorage.paradas.put(numeroParada, p);
                }

                l.addParada(p);
            }
            DataStorage.lineas.put(numeroLinea, l);
            for (Parada parada : l.getParadas()) {
                synchronized (DataStorage.DBHelper) {
                    try {
                        DataStorage.DBHelper.addParadaLinea(parada.getId(), numeroLinea,
                                parada.getSiguiente(numeroLinea));
                    } catch (ParadaNotFoundException e) {
                        DataStorage.DBHelper.addParadaLinea(parada.getId(), numeroLinea, 0);
                    }
                }
            }
            return TODO_OK;
        } else {
            return ERROR_IO;
        }
    } catch (MalformedURLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        return ERROR_IO;
    } catch (JSONException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return ERROR_IO;
}

From source file:eu.seaclouds.platform.planner.core.HttpHelper.java

/**
 *
 * @param restPath//w  ww.ja v a 2 s .co m
 * @param params
 * @return
 */
public String getRequest(String restPath, List<NameValuePair> params) {

    HttpGet httpGet = new HttpGet(prepareRequestURL(restPath, params));

    CloseableHttpResponse response = null;
    try {
        response = httpclient.execute(httpGet);
        HttpEntity entity = response.getEntity();
        String content = new Scanner(entity.getContent()).useDelimiter("\\Z").next();
        EntityUtils.consume(entity);
        return content;
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    } finally {
        try {
            response.close();
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }
}

From source file:net.phillm.javaconsole.ConsoleApp.java

/**
 * @param args the command line arguments
 *///from   ww  w  .  j  a  va  2 s . co  m
public void main(String[] args) {
    // TODO code application logic here

    //Initialize main loop
    boolean runLoop;
    runLoop = true;

    String knownhostsFile;
    knownhostsFile = System.getProperty("user.home") + File.separator + ".ssh" + File.separator + "known_hosts";
    jsch = new JSch();
    try {
        jsch.setKnownHosts(knownhostsFile);
    } catch (JSchException ex) {
        System.out.println("Error while trying to import kown hosts: " + ex.getMessage());
    }

    remoteCmds.put("cd", "cd");
    remoteCmds.put("ls", "ls");
    remoteCmds.put("ping", "ping");

    Scanner scanner = new Scanner(System.in);
    String currentCommand;

    System.out.println("Info: Type /info to get the build version!");
    System.out.println("Info: Type /help to get a list of availble commands!");

    while (runLoop) { //loop untill /stop command
        currentCommand = scanner.nextLine().toLowerCase();

        if (currentCommand.contains("/info")) {
            System.out.println("Build Version: " + version);
            System.out.println("Website: " + website);
            System.out.println("View on Github: " + github);

        } else if (currentCommand.contains("/website") || currentCommand.contains("/site")) {
            System.out.println("Website: " + website);

        } else if (currentCommand.contains("/help")) {
            System.out.println("/Info: Gives Info Such as Build Version, Website, and Github Link");
            System.out.println("/Website: Gives The Developers Website");
            System.out.println("/Help: Gives All Commands");
            System.out.println("/Connect [Host]: Open a connection to Host");
            System.out.println("/Id: get a block id number from its name");
            System.out.println("/Stop: Close the console");

        } else if (currentCommand.contains("/stop") || currentCommand.contains("/quit")
                || currentCommand.contains("/exit") || currentCommand.contains("/close")) {
            System.out.println("Stopping");
            runLoop = false;

        } else if (currentCommand.contains("/connect")) {
            String host = "";
            String username = "";
            String password = "";
            List<Integer> ports = new ArrayList<>();
            int timeout = 5000;

            ports.add(22);
            ports.add(35681);

            String[] ssh_Parameters = currentCommand.split(" ");
            if (ssh_Parameters.length > 1) {
                host = ssh_Parameters[1];
            }

            if (ssh_Parameters.length > 2) {
                username = ssh_Parameters[2];
            }

            if (ssh_Parameters.length > 3) {
                password = ssh_Parameters[3];
            }

            if (host.equals("")) {
                System.out.println("Enter host to connect to.");
                host = scanner.nextLine();
            }
            if (username.equals("")) {
                System.out.println("Enter username.");
                username = scanner.nextLine();
            }
            if (password.equals("")) {
                System.out.println("Enter password.");
                password = scanner.nextLine();
            }
            System.out.println("Connecting to " + host + "...");

            int portTryCount = 0;
            Boolean sessionIsConnected = false;
            Boolean continueTrying = true;
            while ((!sessionIsConnected) && continueTrying && (portTryCount < ports.size())) {
                try {
                    sshSession = jsch.getSession(username, host, ports.get(portTryCount));
                    sshSession.setPassword(password);
                    sshSession.connect(timeout);
                    sessionIsConnected = sshSession.isConnected();
                } catch (JSchException ex) {
                    if (ex.getMessage().contains("timeout: socket is not established")) {
                        portTryCount++;
                    } else if (ex.getMessage().contains("Connection refused: connect")) {
                        portTryCount++;
                    } else if (ex.getMessage().contains("UnknownHostKey")) {
                        String response;

                        System.out.println(ex.getMessage());
                        System.out.println("Continue anyway? (y/n)");
                        response = scanner.nextLine();
                        switch (response.toLowerCase()) {
                        case "n":
                            continueTrying = false;
                            System.out.println("Aborting...");
                            break;
                        case "y":
                            break;
                        default:
                            System.out.println("Please type either y or n");
                            break;
                        }

                    } else if (ex.getMessage().contains("Auth fail")) {
                        System.out.println("Could not Authenticate. Check the username and password.");
                        continueTrying = false;
                    } else {
                        System.out.println("Could not connect: " + ex.getMessage());
                    }
                }
            }

            if (sessionIsConnected & sshSession != null) {

                try {
                    sshShell = sshSession.openChannel("shell");

                } catch (JSchException ex) {
                    System.out.println("Error while obtaining shell: " + ex.getMessage());
                }
                if (sshShell != null) {
                    try {
                        sshShell.connect();
                    } catch (JSchException ex) {
                        System.out.println("Error while connecting shell: " + ex.getMessage());
                    }
                    if (sshShell.isConnected()) {
                        System.out.println("Connected!");
                        OutputStream sshCommandOutStream;
                        sshCommandOutStream = null;
                        InputStream sshResponseStream;
                        sshResponseStream = null;
                        try {
                            sshCommandOutStream = sshShell.getOutputStream();
                            sshResponseStream = sshShell.getInputStream();
                        } catch (IOException ex) {
                            System.out.println("Error while seting up shell io streams: " + ex.getMessage());
                        }
                        if (sshCommandOutStream != null) {
                            sshCommandStream = new PrintStream(sshCommandOutStream, true);
                        }
                        if (sshResponseStream != null) {
                            sshResponseBuffer = new BufferedReader(new InputStreamReader(sshResponseStream));

                        }
                    }
                }
            }

        } else if (currentCommand.contains("/id")) {
            String blockName = "";
            String[] idParams = currentCommand.split(" ");
            if (idParams.length > 1) {
                blockName = idParams[1];
            } else {
                while (blockName.equals("")) {
                    System.out.println("please type a block");
                    blockName = scanner.nextLine();
                }
            }
            System.out.println(
                    "ID for block " + blockName + " is " + idManager.blockInfo.get(blockName.toLowerCase()));

        } else {
            System.out.println("Commands Available: [/Info, /Website, /Help, /Connect, /Stop, /Id]");
        }
    }
    if (sshShell != null) {
        if (sshShell.isConnected()) {
            sshShell.disconnect();
        }
    }
    if (sshSession != null) {
        if (sshSession.isConnected()) {
            sshSession.disconnect();
        }
    }
}

From source file:org.apache.streams.console.ConsolePersistReader.java

@Override
public StreamsResultSet readCurrent() {

    LOGGER.info("{} readCurrent", STREAMS_ID);

    Scanner sc = new Scanner(inputStream);

    while (sc.hasNextLine()) {

        persistQueue.offer(new StreamsDatum(sc.nextLine()));

    }//from  w  ww  .  ja  va2s .  co  m

    LOGGER.info("Providing {} docs", persistQueue.size());

    StreamsResultSet result = new StreamsResultSet(persistQueue);

    LOGGER.info("{} Exiting", STREAMS_ID);

    return result;

}

From source file:com.networknt.exception.ExceptionHandlerTest.java

static RoutingHandler getTestHandler() {
    RoutingHandler handler = Handlers.routing().add(Methods.GET, "/normal", new HttpHandler() {
        public void handleRequest(HttpServerExchange exchange) throws Exception {
            exchange.getResponseSender().send("normal");
        }/*from  w ww.j av  a 2s .  c om*/
    }).add(Methods.GET, "/runtime", new HttpHandler() {
        public void handleRequest(HttpServerExchange exchange) throws Exception {
            int i = 1 / 0;
        }
    }).add(Methods.GET, "/api", new HttpHandler() {
        public void handleRequest(HttpServerExchange exchange) throws Exception {
            Status error = new Status("ERR10001");
            throw new ApiException(error);
        }
    }).add(Methods.GET, "/uncaught", new HttpHandler() {
        public void handleRequest(HttpServerExchange exchange) throws Exception {
            String content = new Scanner(new File("djfkjoiwejjhh9032d")).useDelimiter("\\Z").next();
        }
    });
    return handler;
}

From source file:com.a544jh.kanamemory.io.JsonFileReader.java

protected static JSONObject readFileToJsonObject(File file) throws FileNotFoundException, JSONException {
    JSONObject jo;/*  w w  w  .  j a  va2 s .  c  om*/
    StringBuilder sb = new StringBuilder((int) file.length());
    try (Scanner scanner = new Scanner(file)) {
        while (scanner.hasNextLine()) {
            sb.append(scanner.nextLine());
        }
    }
    jo = new JSONObject(sb.toString());

    return jo;
}

From source file:io.stallion.users.UserAdder.java

public void execute(CommandOptionsBase options, String action) throws Exception {

    Log.info("Settings: siteName {0} email password {1}", Settings.instance().getSiteName(),
            Settings.instance().getEmail().getPassword());

    Scanner scanner = new Scanner(System.in);
    Console console = System.console();

    if (empty(action)) {
        //System.out.print("Create new user or edit existing? (new/edit): ");

        //String newEdit = scanner.next();

        System.out.print("Create new user or edit existing? (new/edit): ");
        //String newEdit = console.readLine("Create new user or edit existing? (new/edit): ");
        action = scanner.nextLine();//from w ww  .  j  av  a2  s . c o m
    }
    User user = null;
    if ("new".equals(action)) {
        user = new User();
        user.setPredefined(true);
    } else if ("edit".equals(action)) {
        System.out.print("Enter the email, username, or ID of the user you wish to edit:");
        String idMaybe = scanner.next();
        if (StringUtils.isNumeric(idMaybe)) {
            user = (User) UserController.instance().forId(Long.parseLong(idMaybe));
        }
        if (user == null) {
            user = (User) UserController.instance().forUniqueKey("email", idMaybe);
        }
        if (user == null) {
            user = (User) UserController.instance().forUniqueKey("username", idMaybe);
        }
        if (user == null) {
            System.out.print("Could not find user for key: " + idMaybe);
            System.exit(1);
        }
    } else {
        System.out.print("Invalid choice. Choose either 'new' or 'edit'");
        System.exit(1);
    }

    System.out.print("User's given name: ");
    String givenName = scanner.nextLine();
    if (!empty(givenName)) {
        user.setGivenName(givenName);
    }

    System.out.print("User's family name: ");
    String familyName = scanner.nextLine();
    if (!empty(familyName)) {
        user.setFamilyName(familyName);
        user.setDisplayName(user.getGivenName() + " " + user.getFamilyName());
    }

    System.out.print("User's email: ");
    String email = scanner.nextLine();
    if (!empty(email)) {
        user.setEmail(email);
        user.setUsername(user.getEmail());
    }

    System.out.print("Enter password: ");
    String password = "";
    if (console != null) {
        password = new String(console.readPassword());
    } else {
        password = new String(scanner.nextLine());
    }
    //System.out.printf("password: \"%s\"\n", password);
    if (empty(password) && empty(user.getBcryptedPassword())) {
        throw new UsageException("You must set a password!");
    } else if (!empty(password)) {
        String hashed = BCrypt.hashpw(password, BCrypt.gensalt());
        user.setBcryptedPassword(hashed);
    }

    if (empty(user.getSecret())) {
        user.setSecret(RandomStringUtils.randomAlphanumeric(18));
    }
    if (empty(user.getEncryptionSecret())) {
        user.setEncryptionSecret(RandomStringUtils.randomAlphanumeric(36));
    }

    user.setPredefined(true);
    user.setRole(Role.ADMIN);
    user.setId(Context.dal().getTickets().nextId());
    user.setFilePath(GeneralUtils.slugify(user.getEmail() + "---" + user.getId().toString()) + ".json");
    UserController.instance().save(user);

    System.out.print("User saved with email " + user.getEmail() + " and id " + user.getId());

}

From source file:cpd3314.project.CPD3314ProjectTest.java

private void assertFilesEqual(File a, File b) throws IOException {
    Scanner aIn = new Scanner(a);
    Scanner bIn = new Scanner(b);
    while (aIn.hasNext() && bIn.hasNext()) {
        assertEquals(aIn.nextLine().trim(), bIn.nextLine().trim());
    }/*from w  ww  .j  av  a 2  s .  c om*/
    assertTrue("Files Not Equal Length", !aIn.hasNext() && !bIn.hasNext());
}