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:mx.uaq.facturacion.enlace.system.EmailSystemTest.java

/**
 * Load the Spring Integration Application Context
 *
 * @param args/*from  w w  w .  j  av a2 s .  com*/
 *            - command line arguments
 */
public static void main(final String... args) {

    LOGGER.info(HORIZONTAL_LINE + "\n" + "\n          Welcome to Spring Integration!                 " + "\n"
            + "\n    For more information please visit:                   "
            + "\n    http://www.springsource.org/spring-integration       " + "\n" + HORIZONTAL_LINE);

    final AbstractApplicationContext context = new ClassPathXmlApplicationContext(
            "classpath:email-facturas.poller.xml", "classpath:facturacion-integration.xml");

    context.registerShutdownHook();

    final Scanner scanner = new Scanner(System.in);

    LOGGER.info(HORIZONTAL_LINE + "\n" + "\n    Please press 'q + Enter' to quit the application.    " + "\n"
            + HORIZONTAL_LINE);

    while (true) {

        final String input = scanner.nextLine();

        if ("q".equals(input.trim())) {
            break;
        }

    }

    LOGGER.info("Exiting application...bye.");

    System.exit(0);
}

---

From source file:com.cjtotten.example.si.Main.java

/**
 * Load the Spring Integration Application Context
 *
 * @param args - command line arguments/*from   w  w w.ja va 2 s  .c om*/
 */
public static void main(final String... args) {

    if (LOGGER.isInfoEnabled()) {
        LOGGER.info("\n========================================================="
                + "\n                                                         "
                + "\n          Welcome to Spring Integration!                 "
                + "\n                                                         "
                + "\n    For more information please visit:                   "
                + "\n    http://www.springsource.org/spring-integration       "
                + "\n                                                         "
                + "\n=========================================================");
    }

    final AbstractApplicationContext context = new ClassPathXmlApplicationContext(
            "classpath:META-INF/spring/integration/*-context.xml");

    context.registerShutdownHook();

    final Scanner scanner = new Scanner(System.in);

    final StringConversionService service = context.getBean(StringConversionService.class);

    if (LOGGER.isInfoEnabled()) {
        LOGGER.info("\n========================================================="
                + "\n                                                         "
                + "\n    Please press 'q + Enter' to quit the application.    "
                + "\n                                                         "
                + "\n=========================================================");
    }

    System.out.print("Please enter a string and press <enter>: ");

    while (true) {

        final String input = scanner.nextLine();

        if ("q".equals(input.trim())) {
            break;
        }

        try {

            System.out.println("Converted to upper-case: " + service.convertToUpperCase(input));

        } catch (Exception e) {
            LOGGER.error("An exception was caught: " + e);
        }

        System.out.print("Please enter a string and press <enter>:");

    }

    if (LOGGER.isInfoEnabled()) {
        LOGGER.info("Exiting application...bye.");
    }

    System.exit(0);

}

---

From source file:net.jmhertlein.alphonseirc.MSTDeskEngRunner.java

public static void main(String[] args) {
    Scanner scan = new Scanner(System.in);

    loadConfig();//  w  ww. j a  va  2 s .c om

    AlphonseBot bot = new AlphonseBot(nick, pass, server, channels, maxXKCD, noVoiceNicks, masters,
            dadLeaveTimes);
    bot.setMessageDelay(500);
    try {
        bot.startConnection();
    } catch (IOException | IrcException ex) {
        Logger.getLogger(MSTDeskEngRunner.class.getName()).log(Level.SEVERE, null, ex);
    }

    boolean quit = false;
    while (!quit) {
        String curLine = scan.nextLine();

        switch (curLine) {
        case "exit":
            System.out.println("Quitting.");
            bot.onPreQuit();
            bot.disconnect();
            bot.dispose();
            writeConfig();
            quit = true;
            System.out.println("Quit'd.");
            break;
        case "msg":
            Scanner lineScan = new Scanner(scan.nextLine());
            try {
                bot.sendMessage(lineScan.next(), lineScan.nextLine());
            } catch (Exception e) {
                System.err.println(e.getClass().toString());
                System.err.println("Not enough args");
            }
            break;
        default:
            System.out.println("Invalid command.");
        }
    }
}

---

From source file:se.berazy.api.examples.App.java

/**
 * Operation examples.// w  w w. ja va  2s.  c om
 * @param args
 */
public static void main(String[] args) {
    Scanner scanner = null;
    try {
        client = new BookkeepingClient();
        System.out.println("Choose operation to invoke:\n");
        System.out.println("1. Create invoice");
        System.out.println("2. Credit invoice");
        scanner = new Scanner(System.in);
        while (scanner.hasNextLine()) {
            String line = scanner.nextLine();
            line = (line != null) ? line.trim().toLowerCase() : "";
            if (line.equals("1")) {
                outPutResponse(createInvoice());
            } else if (line.equals("2")) {
                outPutResponse(creditInvoice());
            } else if (line.equals("q") || line.equals("quit") || line.equals("exit")) {
                System.exit(0);
            } else {
                System.out.println("\nPlease choose an operation from 1-7.");
            }
        }
        scanner.close();
    } catch (Exception ex) {
        System.out.println(String.format(
                "\nAn exception occured, press CTRL+C to exit or enter 'q', 'quit' or 'exit'.\n\nException: %s %s",
                ex.getMessage(), ex.getStackTrace()));
    } finally {
        if (scanner != null) {
            scanner.close();
        }
    }
}

---

From source file:com.hillert.spring.validation.Main.java

/**
 * Load the Spring Integration Application Context
 *
 * @param args - command line arguments//from   www. j  a va 2 s  .  c  o  m
 */
public static void main(final String... args) {

    LOGGER.info("\n========================================================="
            + "\n                                                         "
            + "\n          Welcome!                                       "
            + "\n                                                         "
            + "\n    For more information please visit:                   "
            + "\n    http://blog.hillert.com                              "
            + "\n                                                         "
            + "\n=========================================================");

    final AbstractApplicationContext context = new ClassPathXmlApplicationContext(
            "classpath:META-INF/spring/*-context.xml");

    context.registerShutdownHook();

    final Scanner scanner = new Scanner(System.in).useDelimiter("\n");

    final BusinessService service = context.getBean(BusinessService.class);

    LOGGER.info("\n========================================================="
            + "\n                                                         "
            + "\n    Please press 'q + Enter' to quit the application.    "
            + "\n                                                         "
            + "\n=========================================================");

    System.out.println("Please enter a string and press <enter>: ");

    while (true) {

        System.out.print("$ ");
        String input = scanner.nextLine();

        LOGGER.debug("Input string: '{}'", input);

        if ("q".equalsIgnoreCase(input)) {
            break;
        } else if ("null".equals(input)) {
            input = null;
        }

        try {
            System.out.println("Converted to upper-case: " + service.convertToUpperCase(input));
        } catch (MethodConstraintViolationException e) {
            Set<MethodConstraintViolation<?>> constraintViolations = e.getConstraintViolations();
            LOGGER.info("Method Validation failed with {} error(s).", constraintViolations.size());

            for (MethodConstraintViolation<?> violation : e.getConstraintViolations()) {
                LOGGER.info("Method Validation: {}", violation.getConstraintDescriptor());
            }

        }
    }

    LOGGER.info("Exiting application...bye.");

    System.exit(0);

}

---

From source file:com.somnus.spring.validation.Main.java

/**
 * Load the Spring Integration Application Context
 *
 * @param args - command line arguments/* w w  w.j ava  2 s  . c  o  m*/
 */
public static void main(final String... args) {

    LOGGER.info("\n========================================================="
            + "\n                                                         "
            + "\n          Welcome!                                       "
            + "\n                                                         "
            + "\n    For more information please visit:                   "
            + "\n    http://blog.hillert.com                              "
            + "\n                                                         "
            + "\n=========================================================");

    final AbstractApplicationContext context = new ClassPathXmlApplicationContext(
            "classpath:META-INF/spring/*-context.xml");

    context.registerShutdownHook();

    final Scanner scanner = new Scanner(System.in).useDelimiter("\n");

    final BusinessService service = context.getBean(BusinessService.class);

    LOGGER.info("\n========================================================="
            + "\n                                                         "
            + "\n    Please press 'q + Enter' to quit the application.    "
            + "\n                                                         "
            + "\n=========================================================");

    System.out.println("Please enter a string and press <enter>: ");

    while (true) {

        System.out.print("$ ");
        String input = scanner.nextLine();

        LOGGER.debug("Input string: '{}'", input);

        if ("q".equalsIgnoreCase(input)) {
            break;
        } else if ("null".equals(input)) {
            input = null;
        }

        try {
            System.out.println("Converted to upper-case: " + service.convertToUpperCase(input));
        } catch (MethodConstraintViolationException e) {
            Set<MethodConstraintViolation<?>> constraintViolations = e.getConstraintViolations();
            LOGGER.info("Method Validation failed with {} error(s).", constraintViolations.size());

            for (MethodConstraintViolation<?> violation : e.getConstraintViolations()) {
                LOGGER.info("Method Validation: {}", violation.getPropertyPath().toString());
                LOGGER.info("Method Validation: {}", violation.getConstraintDescriptor());
                LOGGER.info("Method Validation: {}", violation.getMessage());
            }

        }
    }

    LOGGER.info("Exiting application...bye.");

    System.exit(0);

}

---

From source file:br.usp.poli.lta.cereda.spa2run.Main.java

public static void main(String[] args) {

    Utils.printBanner();//from ww w. j  a  v a  2 s  . co m
    CommandLineParser parser = new DefaultParser();

    try {
        CommandLine line = parser.parse(Utils.getOptions(), args);
        List<Spec> specs = Utils.fromFilesToSpecs(line.getArgs());
        List<Metric> metrics = Utils.fromFilesToMetrics(line);
        Utils.setMetrics(metrics);
        Utils.resetCalculations();
        AdaptiveAutomaton automaton = Utils.getAutomatonFromSpecs(specs);

        System.out.println("SPA generated successfully:");
        System.out.println("- " + specs.size() + " submachine(s) found.");
        if (!Utils.detectEpsilon(automaton)) {
            System.out.println("- No empty transitions.");
        }
        if (!metrics.isEmpty()) {
            System.out.println("- " + metrics.size() + " metric(s) found.");
        }

        System.out.println("\nStarting shell, please wait...\n" + "(press CTRL+C or type `:quit'\n"
                + "to exit the application)\n");

        String query = "";
        Scanner scanner = new Scanner(System.in);
        String prompt = "[%d] query> ";
        String result = "[%d] result> ";
        int counter = 1;
        do {

            try {
                String term = String.format(prompt, counter);
                System.out.print(term);
                query = scanner.nextLine().trim();
                if (!query.equals(":quit")) {
                    boolean accept = automaton.recognize(Utils.toSymbols(query));
                    String type = automaton.getRecognitionPaths().size() == 1 ? " (deterministic)"
                            : " (nondeterministic)";
                    System.out.println(String.format(result, counter) + accept + type);

                    if (!metrics.isEmpty()) {
                        System.out.println(StringUtils.repeat(" ", String.format("[%d] ", counter).length())
                                + Utils.prettyPrintMetrics());
                    }

                    System.out.println();

                }
            } catch (Exception exception) {
                System.out.println();
                Utils.printException(exception);
                System.out.println();
            }

            counter++;
            Utils.resetCalculations();

        } while (!query.equals(":quit"));
        System.out.println("That's all folks!");

    } catch (ParseException nothandled) {
        Utils.printHelp();
    } catch (Exception exception) {
        Utils.printException(exception);
    }
}

---

From source file:drpc.KMeansDrpcQuery.java

public static void main(final String[] args)
        throws IOException, TException, DRPCExecutionException, DecoderException, ClassNotFoundException {
    if (args.length < 3) {
        System.err.println("Where are the arguments? args -- DrpcServer DrpcFunctionName folder");
        return;//from   w  ww.j av a  2 s. c  o  m
    }

    final DRPCClient client = new DRPCClient(args[0], 3772, 1000000 /*timeout*/);
    final Queue<String> featureFiles = new ArrayDeque<String>();
    SpoutUtils.listFilesForFolder(new File(args[2]), featureFiles);

    Scanner scanner = new Scanner(featureFiles.peek());
    int i = 0;
    while (scanner.hasNextLine() && i++ < 10) {
        List<Map<String, List<Double>>> dict = SpoutUtils.pythonDictToJava(scanner.nextLine());
        for (Map<String, List<Double>> map : dict) {
            i++;

            Double[] features = map.get("chi2").toArray(new Double[0]);
            Double[] moreFeatures = map.get("chi1").toArray(new Double[0]);
            Double[] rmsd = map.get("rmsd").toArray(new Double[0]);
            Double[] both = (Double[]) ArrayUtils.addAll(features, moreFeatures);
            String parameters = serializeFeatureVector(ArrayUtils.toPrimitive(both));

            String centroidsSerialized = runQuery(args[1], parameters, client);

            Gson gson = new Gson();
            Object[] deserialized = gson.fromJson(centroidsSerialized, Object[].class);

            for (Object obj : deserialized) {
                // result we get is of the form List<result>
                List l = ((List) obj);
                centroidsSerialized = (String) l.get(0);

                String[] centroidSerializedArrays = centroidsSerialized
                        .split(MlStormClustererQuery.KmeansClustererQuery.CENTROID_DELIM);
                List<double[]> centroids = new ArrayList<double[]>();
                for (String centroid : centroidSerializedArrays) {
                    centroids.add(MlStormFeatureVectorUtils.deserializeToFeatureVector(centroid));
                }

                double[] rmsdPrimitive = ArrayUtils.toPrimitive(both);
                double[] rmsdKmeans = new double[centroids.size()];

                for (int k = 0; k < centroids.size(); k++) {
                    System.out.println("centroid        -- " + Arrays.toString(centroids.get(k)));
                    double[] centroid = centroids.get(k);
                    rmsdKmeans[k] = computeRootMeanSquare(centroid);
                }

                System.out.println("1 rmsd original -- " + Arrays.toString(rmsd));
                System.out.println("2 rmsd k- Means -- " + Arrays.toString(rmsdKmeans));
                System.out.println();
            }

        }
    }
    client.close();
}

---

From source file:com.github.xbn.examples.testdev.ReplaceAllIndentTabsWithSpacesXmpl.java

public static final void main(String[] directoryRoot_paramIdxZero) {
    //Setup and protection
    String dirRoot = GetFromCommandLineAtIndex.text(directoryRoot_paramIdxZero, 0, "directoryRoot_paramIdxZero",
            null);//from  www.j  a  va  2s  . c  om

    System.out.println("This example code will overwrite the files in \"" + dirRoot
            + "\". Enter the number 1234567890 to proceed.");
    if (!new Scanner(System.in).nextLine().equals("1234567890")) {
        System.out.println("Abort.");
        return;
    }

    Path dirPath = new PathMustBe().existing().writable().directory().noFollowLinks().getOrCrashIfBad(dirRoot,
            "directoryRoot_paramIdxZero[0]");

    File fileRootDir = new File(dirRoot);

    //Go

    IOFileFilter allFileTypesKeepFilter = FileFilterUtils.and(FileFilterUtils.suffixFileFilter(".java"),
            FileFilterUtils.suffixFileFilter(".html"));

    Iterator<File> fileItr = FileUtils.iterateFiles(fileRootDir, allFileTypesKeepFilter, null);

    new ReplaceAllIndentTabsWithSpaces(3, System.out, TabToSpaceDebugLevel.FILE_SUMMARIES)
            .overwriteDirectory(fileItr);
}

---

From source file:com.japp.Main.java

/**
 * Load the Spring Integration Application Context
 *
 * @param args - command line arguments//from www . j  a  va2  s  . c o m
 */
public static void main(final String... args) {

    if (LOGGER.isInfoEnabled()) {
        LOGGER.info("\n========================================================="
                + "\n                                                         "
                + "\n       SFTP-File Transfer POC                 "
                + "\n                                                         "
                + "\n=========================================================");
    }

    final AbstractApplicationContext context = new ClassPathXmlApplicationContext(
            "classpath:/launch-context.xml");

    context.registerShutdownHook();

    SpringIntegrationUtils.displayDirectories(context);

    final Scanner scanner = new Scanner(System.in);

    JobLauncher jobLauncher = context.getBean("jobLauncher", JobLauncher.class);
    Job job = context.getBean("job1", Job.class);

    try {
        jobLauncher.run(job, new JobParameters());
    } catch (JobExecutionAlreadyRunningException e) {
        e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
    } catch (JobRestartException e) {
        e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
    } catch (JobInstanceAlreadyCompleteException e) {
        e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
    } catch (JobParametersInvalidException e) {
        e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
    }

    if (LOGGER.isInfoEnabled()) {
        LOGGER.info("\n========================================================="
                + "\n                                                         "
                + "\n    Please press 'q + Enter' to quit the application.    "
                + "\n                                                         "
                + "\n=========================================================");
    }

    while (!scanner.hasNext("q")) {
        //Do nothing unless user presses 'q' to quit.
    }

    if (LOGGER.isInfoEnabled()) {
        LOGGER.info("Exiting application...bye.");
    }

    System.exit(0);

}

---

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