Example usage for java.lang Integer parseInt

Introduction

In this page you can find the example usage for java.lang Integer parseInt.

Prototype

public static int parseInt(String s) throws NumberFormatException 

Source Link

Document

Parses the string argument as a signed decimal integer.

Usage

From source file:com.google.endpoints.examples.bookstore.BookstoreServer.java

public static void main(String[] args) throws Exception {
    Options options = createOptions();/*from  w w w . j ava2  s  .  c  o m*/
    CommandLineParser parser = new DefaultParser();
    CommandLine line;
    try {
        line = parser.parse(options, args);
    } catch (ParseException e) {
        System.err.println("Invalid command line: " + e.getMessage());
        printUsage(options);
        return;
    }

    int port = DEFAULT_PORT;

    if (line.hasOption("port")) {
        String portOption = line.getOptionValue("port");
        try {
            port = Integer.parseInt(portOption);
        } catch (java.lang.NumberFormatException e) {
            System.err.println("Invalid port number: " + portOption);
            printUsage(options);
            return;
        }
    }

    final BookstoreData data = initializeBookstoreData();
    final BookstoreServer server = new BookstoreServer();
    Runtime.getRuntime().addShutdownHook(new Thread() {
        @Override
        public void run() {
            try {
                System.out.println("Shutting down");
                server.stop();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    });
    server.start(port, data);
    System.out.format("Bookstore service listening on %d\n", port);
    server.blockUntilShutdown();
}

---

From source file:eu.interedition.collatex.http.Server.java

public static void main(String... args) {
    try {/*from ww  w.  j a v a  2 s.  c  o  m*/
        final CommandLine commandLine = new GnuParser().parse(OPTIONS, args);
        if (commandLine.hasOption("h")) {
            new HelpFormatter().printHelp("collatex-server [<options> ...]\n", OPTIONS);
            return;
        }

        final Collator collator = new Collator(Integer.parseInt(commandLine.getOptionValue("mpc", "2")),
                Integer.parseInt(commandLine.getOptionValue("mcs", "0")),
                commandLine.getOptionValue("dot", null));
        final String staticPath = System.getProperty("collatex.static.path", "");
        final HttpHandler httpHandler = staticPath.isEmpty()
                ? new CLStaticHttpHandler(Server.class.getClassLoader(), "/static/") {
                    @Override
                    protected void onMissingResource(Request request, Response response) throws Exception {
                        collator.service(request, response);
                    }
                }
                : new StaticHttpHandler(staticPath.replaceAll("/+$", "") + "/") {
                    @Override
                    protected void onMissingResource(Request request, Response response) throws Exception {
                        collator.service(request, response);
                    }
                };

        final NetworkListener httpListener = new NetworkListener("http", "0.0.0.0",
                Integer.parseInt(commandLine.getOptionValue("p", "7369")));

        final CompressionConfig compressionConfig = httpListener.getCompressionConfig();
        compressionConfig.setCompressionMode(CompressionConfig.CompressionMode.ON);
        compressionConfig.setCompressionMinSize(860); // http://webmasters.stackexchange.com/questions/31750/what-is-recommended-minimum-object-size-for-gzip-performance-benefits
        compressionConfig.setCompressableMimeTypes("application/javascript", "application/json",
                "application/xml", "text/css", "text/html", "text/javascript", "text/plain", "text/xml");

        final HttpServer httpServer = new HttpServer();
        httpServer.addListener(httpListener);
        httpServer.getServerConfiguration().addHttpHandler(httpHandler,
                commandLine.getOptionValue("cp", "").replaceAll("/+$", "") + "/*");

        Runtime.getRuntime().addShutdownHook(new Thread(() -> {
            if (LOG.isLoggable(Level.INFO)) {
                LOG.info("Stopping HTTP server");
            }
            httpServer.shutdown();
        }));

        httpServer.start();

        Thread.sleep(Long.MAX_VALUE);
    } catch (Throwable t) {
        LOG.log(Level.SEVERE, "Error while parsing command line", t);
        System.exit(1);
    }
}

---

From source file:koper.demo.performance.SendDataEventMsgPerf.java

/**
 * DataEventMsg ?/*from  w  w  w. ja v a 2s  . c  o m*/
 * @param args ?:???
 *             ?:?????? sleep 
 */
public static void main(String[] args) throws Exception {
    ApplicationContext context = new ClassPathXmlApplicationContext("kafka/context-data-message.xml",
            "kafka/context-data-producer.xml");

    Order order = new Order();
    order.setId(100);
    order.setOrderNo("order_no");
    order.setCreatedTime("oroder_created_time");

    OrderService orderService = (OrderService) context.getBean("orderServiceImpl");

    int threadNum = 1;
    long sleepMs = 1000L;
    if (args.length >= 1) {
        threadNum = Integer.parseInt(args[0]);
        sleepMs = Long.parseLong(args[1]);
    }
    final long finalSleepMs = sleepMs;
    ExecutorService executorService = Executors.newFixedThreadPool(threadNum);
    for (int i = 0; i < threadNum; ++i) {
        executorService.execute(() -> {
            while (true) {
                orderService.insertOrder(order);
                try {
                    Thread.sleep(finalSleepMs);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }
}

---

From source file:io.confluent.kafkarest.tools.ProducerPerformance.java

public static void main(String[] args) throws Exception {
    if (args.length < 6) {
        System.out.println("Usage: java " + ProducerPerformance.class.getName() + " rest_url topic_name "
                + "num_records record_size batch_size target_records_sec");
        System.exit(1);/*from w  w  w.  j a  v  a  2 s.co  m*/
    }

    String baseUrl = args[0];
    String topic = args[1];
    int numRecords = Integer.parseInt(args[2]);
    int recordSize = Integer.parseInt(args[3]);
    int batchSize = Integer.parseInt(args[4]);
    int throughput = Integer.parseInt(args[5]) / batchSize;

    ProducerPerformance perf = new ProducerPerformance(baseUrl, topic, numRecords / batchSize, batchSize,
            throughput, recordSize);
    perf.run(throughput);
}

---

From source file:Deal.java

public static void main(String[] args) {
    if (args.length < 2) {
        System.out.println("Usage: Deal hands cards");
        return;//from   w ww.  ja  v a 2s  .  c o  m
    }
    int numHands = Integer.parseInt(args[0]);
    int cardsPerHand = Integer.parseInt(args[1]);
    List<Card> deck = Deck.newDeck();
    Collections.shuffle(deck);
    if (numHands * cardsPerHand > deck.size()) {
        System.out.println("Not enough cards.");
        return;
    }

    for (int i = 0; i < numHands; i++)
        System.out.println(dealHand(deck, cardsPerHand));
}

---

From source file:com.mobius.software.mqtt.performance.controller.ControllerRunner.java

public static void main(String[] args) {
    try {/*from  w ww  .  j av a2  s .c  o  m*/
        /*URI baseURI = URI.create(args[0].replace("-baseURI=", ""));
        configFile = args[1].replace("-configFile=", "");*/
        String userDir = System.getProperty("user.dir");
        System.out.println("user.dir: " + userDir);
        setConfigFilePath(userDir + "/config.properties");
        Properties prop = new Properties();
        prop.load(new FileInputStream(configFile));
        System.out.println("properties loaded...");

        String hostname = prop.getProperty("hostname");
        Integer port = Integer.parseInt(prop.getProperty("port"));
        URI baseURI = new URI(null, null, hostname, port, null, null, null);

        configureConsoleLogger();
        System.out.println("starting http server...");
        JerseyServer server = new JerseyServer(baseURI);
        System.out.println("http server started");
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        System.out.print("press any key to stop: ");
        br.readLine();
        server.terminate();
    } catch (Throwable e) {
        logger.error("AN ERROR OCCURED: " + e.getMessage());
        e.printStackTrace();
    } finally {
        System.exit(0);
    }
}

---

From source file:com.shapira.examples.zkconsumer.simplemovingavg.SimpleMovingAvgZkConsumer.java

public static void main(String[] args) {
    if (args.length == 0) {
        System.out//from   ww  w.  java 2  s.c  om
                .println("SimpleMovingAvgZkConsumer {zookeeper} {group.id} {topic} {window-size} {wait-time}");
        return;
    }

    String next;
    int num;
    SimpleMovingAvgZkConsumer movingAvg = new SimpleMovingAvgZkConsumer();
    String zkUrl = args[0];
    String groupId = args[1];
    String topic = args[2];
    int window = Integer.parseInt(args[3]);
    movingAvg.waitTime = args[4];

    CircularFifoBuffer buffer = new CircularFifoBuffer(window);

    movingAvg.configure(zkUrl, groupId);

    movingAvg.start(topic);

    while ((next = movingAvg.getNextMessage()) != null) {
        int sum = 0;

        try {
            num = Integer.parseInt(next);
            buffer.add(num);
        } catch (NumberFormatException e) {
            // just ignore strings
        }

        for (Object o : buffer) {
            sum += (Integer) o;
        }

        if (buffer.size() > 0) {
            System.out.println("Moving avg is: " + (sum / buffer.size()));
        }

        // uncomment if you wish to commit offsets on every message
        // movingAvg.consumer.commitOffsets();

    }

    movingAvg.consumer.shutdown();
    System.exit(0);

}

---

From source file:com.clicktravel.cheddar.server.rest.application.RestApplication.java

/**
 * Starts the RestServer to listen on the given port and address combination
 *
 * @param args String arguments, {@code [context [service-port [status-port [bind-address] ] ] ]} where
 *            <ul>/* w w w. ja v  a2s .c o m*/
 *            <li>{@code context} - Name of application, defaults to {@code UNKNOWN}</li>
 *            <li>{@code service-port} - Port number for REST service endpoints, defaults to {@code 8080}</li>
 *            <li>{@code status-port} - Port number for REST status endpoints ({@code /status} and
 *            {@code /status/healthCheck}), defaults to {@code service-port + 100}</li>
 *            <li>{@code bind-address} - Local IP address to bind server to, defaults to {@code 0.0.0.0}</li>
 *            </ul>
 *
 * @throws Exception
 */
public static void main(final String... args) {
    final String context = args.length > 0 ? args[0] : "UNKNOWN";
    final int servicePort = args.length > 1 ? Integer.parseInt(args[1]) : 8080;
    final int statusPort = args.length > 2 ? Integer.parseInt(args[2]) : servicePort + 100;
    final String bindAddress = args.length > 3 ? args[3] : "0.0.0.0";
    MDC.put("context", context);
    MDC.put("hostId", System.getProperty("host.id", "UNKNOWN"));
    SLF4JBridgeHandler.removeHandlersForRootLogger();
    SLF4JBridgeHandler.install();
    final Logger logger = LoggerFactory.getLogger(RestApplication.class);
    try {
        logger.info("Java process starting");
        logger.debug(String.format("java.version:[%s] java.vendor:[%s]", System.getProperty("java.version"),
                System.getProperty("java.vendor")));
        @SuppressWarnings("resource")
        final ConfigurableApplicationContext applicationContext = new ClassPathXmlApplicationContext(
                "applicationContext.xml");
        logger.debug("Finished getting ApplicationContext");
        final ApplicationLifecycleController applicationLifecycleController = applicationContext
                .getBean(ApplicationLifecycleController.class);
        Runtime.getRuntime().addShutdownHook(new Thread(() -> {
            logger.info("Shutdown hook invoked - Commencing graceful termination of Java process");
            applicationLifecycleController.shutdownApplication();
            logger.info("Java process terminating");
        }));
        applicationLifecycleController.startApplication(servicePort, statusPort, bindAddress);
        Thread.currentThread().join();
    } catch (final InterruptedException e) {
        logger.info("Java process interrupted");
        System.exit(1);
    } catch (final Exception e) {
        logger.error("Error starting Java process", e);
        System.exit(1);
    }
}

---

From source file:edu.oregonstate.eecs.mcplan.domains.tamarisk.TamariskDataset.java

/**
 * @param args/* ww w .j  a  v  a  2s . c  o  m*/
 * @throws FileNotFoundException
 */
public static void main(final String[] args) throws FileNotFoundException {
    int idx = 0;
    final int Ninstances = Integer.parseInt(args[idx++]);
    System.out.println("Ninstances = " + Ninstances);
    final int Nreaches = Integer.parseInt(args[idx++]);
    System.out.println("Nreaches = " + Nreaches);
    final int Nhabitats = Integer.parseInt(args[idx++]);
    System.out.println("Nhabitats = " + Nhabitats);
    final int seed = Integer.parseInt(args[idx++]);
    System.out.println("seed = " + seed);
    final String out_filename = args[idx++];
    System.out.println("out_filename = " + out_filename);

    final RandomGenerator rng = new MersenneTwister(seed);

    final Csv.Writer writer = new Csv.Writer(new PrintStream(new File(out_filename)));
    writer.cell("Nreaches").cell("Nhabitats");
    for (int r = 0; r < Nreaches; ++r) {
        for (int h = 0; h < Nhabitats; ++h) {
            writer.cell("r" + r + "h" + h);
        }
    }
    writer.newline();

    for (int i = 0; i < Ninstances; ++i) {
        final TamariskParameters params = new TamariskParameters(rng, Nreaches, Nhabitats);
        final DirectedGraph<Integer, DefaultEdge> g = params.createBalancedGraph(2);
        final TamariskState s = new TamariskState(rng, params, g);

        writer.cell(Nreaches).cell(Nhabitats);
        for (int r = 0; r < Nreaches; ++r) {
            for (int h = 0; h < Nhabitats; ++h) {
                writer.cell(s.habitats[r][h]);
            }
        }
        writer.newline();
    }
}

---

From source file:movierecommend.MovieRecommend.java

public static void main(String[] args) throws ClassNotFoundException, SQLException {
    String url = "jdbc:sqlserver://localhost;databaseName=MovieDB;integratedSecurity=true";
    Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
    Connection conn = DriverManager.getConnection(url);

    Statement stm = conn.createStatement();
    ResultSet rsRecnik = stm.executeQuery("SELECT Recnik FROM Recnik WHERE (ID_Zanra = 1)"); //citam recnik iz baze za odredjeni zanr
    String recnik[] = null;//from w w w.  ja v a2s. c  o  m

    while (rsRecnik.next()) {
        recnik = rsRecnik.getString("Recnik").split(","); //delim recnik na reci

    }

    ResultSet rsFilmovi = stm.executeQuery(
            "SELECT TOP (200) Naziv_Filma, LemmaPlots, " + "ID_Filma FROM Film WHERE (ID_Zanra = 1)");
    List<Film> listaFilmova = new ArrayList<>();
    Film f = null;
    int rb = 0;
    while (rsFilmovi.next()) {
        f = new Film(rb, Integer.parseInt(rsFilmovi.getString("ID_Filma")), rsFilmovi.getString("Naziv_Filma"),
                rsFilmovi.getString("LemmaPlots"));
        listaFilmova.add(f);
        rb++;

    }
    //kreiranje vektorskog modela
    M = MatrixUtils.createRealMatrix(recnik.length, listaFilmova.size());
    System.out.println("Prva tezinska matrica");

    for (int i = 0; i < recnik.length; i++) {
        String recBaza = recnik[i];
        for (Film film : listaFilmova) {
            for (String lemmaRec : film.getPlotLema()) {
                if (recBaza.equals(lemmaRec)) {
                    M.setEntry(i, film.getRb(), M.getEntry(i, film.getRb()) + 1);
                }
            }
        }
    }
    //racunanje tf-idf
    System.out.println("td-idf");
    M = LSA.calculateTfIdf(M);
    System.out.println("SVD");
    //SVD
    SingularValueDecomposition svd = new SingularValueDecomposition(M);
    RealMatrix V = svd.getV();
    RealMatrix Vk = V.getSubMatrix(0, V.getRowDimension() - 1, 0, brojDimenzija - 1); //dimenzija je poslednji argument
    //kosinusna slicnost
    System.out.println("Cosin simmilarity");
    CallableStatement stmTop = conn.prepareCall("{call Dodaj_TopList(?,?,?)}");

    for (int j = 0; j < listaFilmova.size(); j++) {
        Film fl = listaFilmova.get(j);
        List<Film> lFilmova1 = new ArrayList<>();
        lFilmova1.add(listaFilmova.get(j));
        double sim = 0.0;
        for (int k = 0; k < listaFilmova.size(); k++) {
            // System.out.println(listaFilmova.size());                
            sim = LSA.cosinSim(j, k, Vk.transpose());
            listaFilmova.get(k).setSimilarity(sim);
            lFilmova1.add(listaFilmova.get(k));
        }
        Collections.sort(lFilmova1);
        for (int k = 2; k < 13; k++) {
            stmTop.setString(1, fl.getID() + "");
            stmTop.setString(2, lFilmova1.get(k).getID() + "");
            stmTop.setString(3, lFilmova1.get(k).getSimilarity() + "");
            stmTop.execute();
        }

    }

    stm.close();
    rsRecnik.close();
    rsFilmovi.close();
    conn.close();

}

---

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