Example usage for java.util Scanner Scanner

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:io.stallion.utils.Prompter.java

public Prompter(String message) {
    this.scanner = new Scanner(System.in);
    this.message = message;
}

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From source file:com.codenjoy.dojo.client.OneCommandSolver.java

@Override
public String get(T board) {
    if (processed) {
        System.exit(0);// ww w.  j a v  a2s. co m
        return StringUtils.EMPTY;
    } else {
        processed = true;
    }
    System.out.printf("Are you sure you want to run the command '%s' (y/n)?\n", command);
    String answer = new Scanner(System.in).next();
    if (answer.equals("y")) {
        System.out.printf("Sending '%s' to the server\n", command);
        return command;
    } else {
        System.exit(0);
        return StringUtils.EMPTY;
    }
}

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From source file:com.dickthedeployer.dick.web.service.CommandService.java

public String invoke(Path workingDir, String... command) throws RuntimeException {
    try {/*  w w  w. ja  v  a  2 s  .c  o  m*/
        log.info("Executing command {} in path {}", Arrays.toString(command), workingDir.toString());
        StringBuilder text = new StringBuilder();
        ProcessBuilder builder = new ProcessBuilder(command);
        builder.directory(workingDir.toFile());
        builder.redirectErrorStream(true);

        Process process = builder.start();

        try (Scanner s = new Scanner(process.getInputStream())) {
            while (s.hasNextLine()) {
                text.append(s.nextLine());
            }
            int result = process.waitFor();
            log.info("Process exited with result {} and output {}", result, text);

            if (result != 0) {
                throw new CommandExecutionException();
            }
            return text.toString();
        }
    } catch (IOException | InterruptedException ex) {
        throw new CommandExecutionException(ex);
    }
}

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From source file:example.springdata.rest.stores.StoreInitializer.java

/**
 * Reads a file {@code starbucks.csv} from the class path and parses it into {@link Store} instances about to
 * persisted.// ww w .  j  a  va  2  s .co m
 * 
 * @return
 * @throws Exception
 */
public static List<Store> readStores() throws Exception {

    ClassPathResource resource = new ClassPathResource("starbucks.csv");
    Scanner scanner = new Scanner(resource.getInputStream());
    String line = scanner.nextLine();
    scanner.close();

    FlatFileItemReader<Store> itemReader = new FlatFileItemReader<Store>();
    itemReader.setResource(resource);

    // DelimitedLineTokenizer defaults to comma as its delimiter
    DelimitedLineTokenizer tokenizer = new DelimitedLineTokenizer();
    tokenizer.setNames(line.split(","));
    tokenizer.setStrict(false);

    DefaultLineMapper<Store> lineMapper = new DefaultLineMapper<Store>();
    lineMapper.setFieldSetMapper(fields -> {

        Point location = new Point(fields.readDouble("Longitude"), fields.readDouble("Latitude"));
        Address address = new Address(fields.readString("Street Address"), fields.readString("City"),
                fields.readString("Zip"), location);

        return new Store(fields.readString("Name"), address);
    });

    lineMapper.setLineTokenizer(tokenizer);
    itemReader.setLineMapper(lineMapper);
    itemReader.setRecordSeparatorPolicy(new DefaultRecordSeparatorPolicy());
    itemReader.setLinesToSkip(1);
    itemReader.open(new ExecutionContext());

    List<Store> stores = new ArrayList<>();
    Store store = null;

    do {

        store = itemReader.read();

        if (store != null) {
            stores.add(store);
        }

    } while (store != null);

    return stores;
}

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From source file:com.switchfly.inputvalidation.sanitizer.UrlStripHtmlSanitizer.java

public static List<NameValuePair> parse(String queryString) {
    List<NameValuePair> result = Collections.emptyList();
    if (queryString != null && queryString.length() > 0) {
        result = new ArrayList<NameValuePair>();
        parse(result, new Scanner(queryString));
    }//from w w  w  .j av a  2s  .  co  m
    return result;
}

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From source file:com.example.op.tutorial678.MyItemReader.java

public List<Person> read(InputStream inputStream) throws JSONException {
    List<Person> items = new ArrayList<Person>();
    String json = new Scanner(inputStream).useDelimiter(REGEX_INPUT_BOUNDARY_BEGINNING).next();
    JSONArray array = new JSONArray(json);

    listAvatars.add(R.drawable.avatar);//w  ww  .j ava  2s.c om
    listAvatars.add(R.drawable.avatar2);
    listAvatars.add(R.drawable.avatar3);
    listAvatars.add(R.drawable.bighero6);
    listAvatars.add(R.drawable.ff8);
    listAvatars.add(R.drawable.avatar_film);

    for (int i = 0; i < array.length(); i++) {
        String name = null;
        String email = null;
        String phoneNumber = null;

        JSONObject object = array.getJSONObject(i);
        double lat = object.getDouble("lat");
        double lng = object.getDouble("lng");
        //pictureResource =
        if (!object.isNull("name")) {
            name = object.getString("name");
        }
        if (!object.isNull("email")) {
            email = object.getString("email");
        }

        if (!object.isNull("phoneNumber")) {
            phoneNumber = object.getString("phoneNumber");
        }

        int idx = random.nextInt(listAvatars.size());
        items.add(new Person(new LatLng(lat, lng), name, email, phoneNumber, listAvatars.get(idx)));
    }
    return items;
}

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From source file:com.project.atm.core.App.java

static void loadDistanceMatrix() throws FileNotFoundException {

    //change the path file to correct location !         
    scDistance = new Scanner(new FileReader("/home/andry/Documents/atm/atmDistance.txt"));

    // load data from file
    int i = 1;//from   w w w.  j  ava2  s  .  c  o  m
    int j = 1;
    int total = locationList.size();

    distance = new double[total][total];

    logger.info("loading distance matrix tab file.................");

    StopWatch stopWatch = new StopWatch("Travel distance calculation");
    stopWatch.start("load distance matrix file");

    // convert matrix data to array
    while (scDistance.hasNextLine()) {

        //logger.info("i => "+ i +", j => "+j);
        distance[i - 1][j - 1] = scDistance.nextDouble();
        if ((j % total) == 0) {
            i++;
            j = 0;
            if (i == total + 1)
                break;
        }
        j++;
    }
    stopWatch.stop();
    logger.info(stopWatch.prettyPrint());
    logger.info(stopWatch.prettyPrint());
}

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From source file:com.test.sharksharding.use.resource.RedisResourceTest.java

public @Test void testInsert() {
    while (true) {
        System.out.println("input-->");
        Scanner scan = new Scanner(System.in);
        final String uid = scan.nextLine();
        JdbcTemplate jdbcTemlate = GetJdbcTemplate.getJdbcTemplate();
        Map<String, Object> params = new HashMap<String, Object>();
        params.put("uid", Long.valueOf(uid));
        params.put("userName", "gaoxianglong");
        final String sql = sqlTemplate.getSql("setUserInfo", params);
        jdbcTemlate.update(sql);/*  w w w  .j a  v  a  2 s  .c o m*/
    }
}

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From source file:DataSci.main.JsonRequestResponseController.java

/**
 * Read the API key and API URL of Azure ML request response REST API
 * //from w  ww.  j  av  a2 s  .  c  o  m
 * @param filename fully qualified file name that contains API key and API URL
 */
public void readApiInfo(String filename) {

    try {
        File apiFile = new File(filename);
        Scanner sc = new Scanner(apiFile);

        apiurl = sc.nextLine();
        apikey = sc.nextLine();

        sc.close();
    } catch (Exception e) {
        e.printStackTrace();
    }

}

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From source file:es.upct.girtel.net2plan.plugins.activepce.pce.PCEMainServer.java

@Override
public void executeFromCommandLine(String[] args) throws ParseException {
    System.out.println("PCE MAIN SERVER");
    System.out.println("==============================");

    Scanner scanner = new Scanner(System.in);

    System.out.println("Starting PCEP & BGP-LS servers...");

    PCEPServer serverPCEP;// w ww  . j  a va  2s. co m
    BGPServer serverBGP;

    try {
        serverPCEP = new PCEPServer();
        serverBGP = new BGPServer();
    } catch (Net2PlanException e) {
        throw (e);
    } catch (Throwable e) {
        throw new RuntimeException(e);
    }

    /* Create and start PCE Server */
    serverPCEP.acceptConnections();

    /* Create and start BGP server */
    serverBGP.acceptConnections();

    System.out.println("PCE successfully started");

    while (true) {
        String option;

        System.out.println("============================");
        System.out.println("|    MULTILAYER AS-PCE     |");
        System.out.println("============================");
        System.out.println("| Options:                 |");
        System.out.println("| 1. View current sessions |");
        System.out.println("| 2. Print TEDB and LSPDB  |");
        System.out.println("| 3. Exit                  |");
        System.out.println("============================");
        System.out.println("");
        System.out.print("Choose an option (1-3): ");

        option = scanner.nextLine();

        Set<InetAddress> activeSessions = PCEMasterController.getInstance().getActiveSessions();
        switch (option) {
        case "1":
            if (activeSessions.isEmpty())
                System.out.println("No active session");
            else
                System.out.println("Active sessions: " + activeSessions);
            break;

        case "2":
            switch (activeSessions.size()) {
            case 0:
                System.out.println("No active session");
                break;

            case 1:
                System.out.println("Network state: " + PCEMasterController.getInstance()
                        .getPCEEntity(activeSessions.iterator().next()).getNetworkState());
                break;

            default:
                System.out.println(">> Active sessions: " + activeSessions);
                System.out.print(">> Choose a session: ");
                try {
                    String session = scanner.nextLine();
                    IPCEEntity pceEntity = PCEMasterController.getInstance()
                            .getPCEEntity(InetAddress.getByName(session));
                    System.out.println("Network state: " + pceEntity.getNetworkState());
                } catch (Throwable e) {
                    e.printStackTrace();
                }
                break;
            }
            break;

        case "3":
            System.exit(0);

        default:
            System.out.println("Wrong option");
        }
    }
}

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