Example usage for java.util Iterator hasNext

Introduction

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

Prototype

boolean hasNext();

Source Link

Document

Returns true if the iteration has more elements.

Usage

From source file:com.ning.metrics.collector.util.LocalFileReader.java

public static void main(String[] args) throws IOException {
    InputStream stream = null;//w w w . jav a2s. c o m
    try {
        stream = new BufferedInputStream(new FileInputStream(args[0]));
        final SmileEnvelopeEventDeserializer deserializer = new SmileEnvelopeEventDeserializer(stream, false);
        while (deserializer.hasNextEvent()) {
            final SmileEnvelopeEvent event = deserializer.getNextEvent();
            final JsonNode node = (JsonNode) event.getData();

            final Iterator<JsonNode> elements = node.elements();
            boolean first = true;
            while (elements.hasNext()) {
                final JsonNode jsonNode = elements.next();
                if (!first) {
                    System.out.print(",");
                }
                System.out.print(jsonNode.toString());
                first = false;
            }
            System.out.print("\n");
        }
    } finally {
        if (stream != null) {
            stream.close();
        }
        System.out.flush();
    }
}

---

From source file:com.berrysys.ussdgw.Starter.java

/**
 * The main method./*from ww  w  .  j  a v  a  2 s .  com*/
 *
 * @param args the arguments
 * @throws IOException Signals that an I/O exception has occurred.
 */
public static void main(String[] args) throws IOException {
    StringBuilder banner = new StringBuilder();
    banner.append("\n").append("  ____                       ____            \n")
            .append(" | __ )  ___ _ __ _ __ _   _/ ___| _   _ ___ \n")
            .append(" |  _ \\ / _ \\ '__| '__| | | \\___ \\| | | / __|\n")
            .append(" | |_) |  __/ |  | |  | |_| |___) | |_| \\__ \\\n")
            .append(" |____/ \\___|_| _|_|   \\__, |____/ \\__, |___/\n")
            .append(" / ___|(_) __ _| |_ _ _|___/_ _ __ |___/     \n")
            .append(" \\___ \\| |/ _` | __| '__/ _` | '_ \\          \n")
            .append("  ___) | | (_| | |_| | | (_| | | | |         \n")
            .append(" |____/|_|\\__, |\\__|_|  \\__,_|_| |_|         \n")
            .append("  _   _ __|___/__  ____                      \n")
            .append(" | | | / ___/ ___||  _ \\                     \n")
            .append(" | | | \\___ \\___ \\| | | |                    \n")
            .append(" | |_| |___) |__) | |_| |                    \n")
            .append("  \\___/|____/____/|____/                     \n")
            .append("  / ___| __ _| |_ _____      ____ _ _   _    \n")
            .append(" | |  _ / _` | __/ _ \\ \\ /\\ / / _` | | | |   \n")
            .append(" | |_| | (_| | ||  __/\\ V  V / (_| | |_| |   \n")
            .append("  \\____|\\__,_|\\__\\___| \\_/\\_/ \\__,_|\\__, |\n")
            .append("                                    |___/    \n");
    String berrysysUssdGW = banner.toString();

    log.info(berrysysUssdGW);
    ApplicationContext applicationContext = new ClassPathXmlApplicationContext("/app-context.xml");

    List<DialogListener> serverList = (List<DialogListener>) applicationContext.getBean("sctpServerList");

    Iterator<DialogListener> i = serverList.iterator();
    while (i.hasNext()) {
        final DialogListener dialogListenerItem = i.next();
        DialogListenerThread dialogListenerThread = new DialogListenerThread();
        dialogListenerThread.setDialogListener(dialogListenerItem);
        dialogListenerThread.start();
        ThreadHolder.getInstance().getDialogListenerThreadList().add(dialogListenerThread);
    }

    Iterator<DialogListenerThread> j = ThreadHolder.getInstance().getDialogListenerThreadList().iterator();
    while (j.hasNext()) {
        try {
            j.next().join();
        } catch (InterruptedException e) {
            log.catching(e);
        }

    }
}

---

From source file:Main.java

public static void main(String[] args) {
    ArrayList<String> aList = new ArrayList<String>();

    aList.add("1");
    aList.add("2");
    aList.add("3");
    aList.add("4");
    aList.add("5");

    for (String str : aList) {
        System.out.println(str);/*from  w  w w  .  j a  v  a 2  s.c  o  m*/
    }
    Iterator itr = aList.iterator();

    // remove 2 from ArrayList using Iterator's remove method.

    String strElement = "";

    while (itr.hasNext()) {
        strElement = (String) itr.next();
        if (strElement.equals("2")) {
            itr.remove();
            break;
        }
    }
    for (String str : aList) {
        System.out.println(str);
    }
}

---

From source file:com.bright.utils.rmDuplicateLines.java

public static void main(String args) {
    File monfile = new File(args);

    Set<String> userIdSet = new LinkedHashSet<String>();

    if (monfile.isFile() && monfile.getName().endsWith(".txt")) {
        try {//from   www  . j  a va2 s.  co  m
            List<String> content = FileUtils.readLines(monfile, Charset.forName("UTF-8"));
            userIdSet.addAll(content);

            Iterator<String> itr = userIdSet.iterator();
            StringBuffer output = new StringBuffer();
            while (itr.hasNext()) {

                output.append(itr.next() + System.getProperty("line.separator"));

            }

            BufferedWriter out = new BufferedWriter(new FileWriter(monfile));
            String outText = output.toString();

            out.write(outText);

            out.close();
        } catch (IOException e) {
            e.printStackTrace();

        }
    }

}

---

From source file:edu.jhu.hlt.concrete.ingesters.alnc.ALNCIngesterRunner.java

/**
 * @param args// w  w  w  .j a  v  a  2 s.c  o  m
 */
public static void main(String... args) {
    Thread.setDefaultUncaughtExceptionHandler(new LoggedUncaughtExceptionHandler());
    ALNCIngesterRunner run = new ALNCIngesterRunner();
    JCommander jc = new JCommander(run, args);
    jc.setProgramName(ALNCIngesterRunner.class.getSimpleName());
    if (run.delegate.help) {
        jc.usage();
    }

    try {
        Path outpath = Paths.get(run.delegate.outputPath);
        IngesterParameterDelegate.prepare(outpath);

        for (String pstr : run.delegate.paths) {
            LOGGER.debug("Running on file: {}", pstr);
            Path p = Paths.get(pstr);
            new ExistingNonDirectoryFile(p);
            Path outWithExt = outpath.resolve(p.getFileName() + ".tar.gz");

            if (Files.exists(outWithExt)) {
                if (!run.delegate.overwrite) {
                    LOGGER.info("File: {} exists and overwrite disabled. Not running.", outWithExt.toString());
                    continue;
                } else {
                    Files.delete(outWithExt);
                }
            }

            try (ALNCIngester ing = new ALNCIngester(p);
                    OutputStream os = Files.newOutputStream(outWithExt);
                    GzipCompressorOutputStream gout = new GzipCompressorOutputStream(os);
                    TarArchiver arch = new TarArchiver(gout)) {
                Iterator<Communication> iter = ing.iterator();
                while (iter.hasNext()) {
                    Communication c = iter.next();
                    LOGGER.debug("Got comm: {}", c.getId());
                    arch.addEntry(new ArchivableCommunication(c));
                }
            } catch (IngestException e) {
                LOGGER.error("Caught exception processing path: " + pstr, e);
            }
        }
    } catch (NotFileException | IOException e) {
        LOGGER.error("Caught exception processing.", e);
    }
}

---

From source file:listfiles.ListFiles.java

/**
 * @param args the command line arguments
 *//*from  w w w . j a  va 2 s .c o m*/
public static void main(String[] args) {
    // TODO code application logic here
    BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
    String folderPath = "";
    String fileName = "DirectoryFiles.xlsx";

    try {
        System.out.println("Folder path :");
        folderPath = reader.readLine();
        //System.out.println("Output File Name :");
        //fileName = reader.readLine();

        XSSFWorkbook wb = new XSSFWorkbook();
        FileOutputStream fileOut = new FileOutputStream(folderPath + "\\" + fileName);
        XSSFSheet sheet1 = wb.createSheet("Files");
        int row = 0;
        Stream<Path> stream = Files.walk(Paths.get(folderPath));
        Iterator<Path> pathIt = stream.iterator();
        String ext = "";

        while (pathIt.hasNext()) {
            Path filePath = pathIt.next();
            Cell cell1 = checkRowCellExists(sheet1, row, 0);
            Cell cell2 = checkRowCellExists(sheet1, row, 1);
            row++;
            ext = FilenameUtils.getExtension(filePath.getFileName().toString());
            cell1.setCellValue(filePath.getFileName().toString());
            cell2.setCellValue(ext);

        }
        sheet1.autoSizeColumn(0);
        sheet1.autoSizeColumn(1);

        wb.write(fileOut);
        fileOut.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    System.out.println("Program Finished");
}

---

From source file:CSVSimple.java

public static void main(String[] args) {
    CSV parser = new CSV();
    List list = parser.parse("\"LU\",86.25,\"11/4/1998\",\"2:19PM\",+4.0625");
    Iterator it = list.iterator();
    while (it.hasNext()) {
        System.out.println(it.next());
    }//from   ww  w  .j  a v  a2  s  .  c om

    // Now test with a non-default separator
    parser = new CSV('|');
    list = parser.parse("\"LU\"|86.25|\"11/4/1998\"|\"2:19PM\"|+4.0625");
    it = list.iterator();
    while (it.hasNext()) {
        System.out.println(it.next());
    }
}

---

From source file:com.enitalk.controllers.youtube.CalendarTest.java

public static void main(String[] args) throws IOException {

    InputStream is = new ClassPathResource("events.json").getInputStream();
    ObjectMapper jackson = new ObjectMapper();
    JsonNode tree = jackson.readTree(is);
    IOUtils.closeQuietly(is);//from   ww  w .j  a  v a  2 s.c o  m

    DateTimeFormatter fmtDateTime = ISODateTimeFormat.dateTimeNoMillis();
    DateTimeFormatter fmt = ISODateTimeFormat.date();

    TreeMultimap<DateTime, DateTime> set = CalendarTest.getPeriodSet(10, 18);

    Iterator<JsonNode> nodes = tree.elements();
    while (nodes.hasNext()) {
        JsonNode ev = nodes.next();
        boolean isFullDay = ev.path("start").has("date");

        DateTime stDate = isFullDay ? fmt.parseDateTime(ev.path("start").path("date").asText())
                : fmtDateTime.parseDateTime(ev.path("start").path("dateTime").asText());

        DateTime enDate = isFullDay ? fmt.parseDateTime(ev.path("end").path("date").asText())
                : fmtDateTime.parseDateTime(ev.path("end").path("dateTime").asText());

        System.out.println("St " + stDate + " en " + enDate);

        int days = Days.daysBetween(stDate, enDate).getDays();
        System.out.println("Days between " + days);
        if (isFullDay) {
            switch (days) {
            case 1:
                set.removeAll(stDate);
                break;
            default:
                while (days-- > 0) {
                    set.removeAll(stDate.plusDays(days));
                }
            }
        } else {
            DateTime copySt = stDate.minuteOfHour().setCopy(0).secondOfMinute().setCopy(0);
            DateTime copyEn = enDate.plusHours(1).minuteOfHour().setCopy(0).secondOfMinute().setCopy(0);

            //                System.out.println("Dates truncated " + copySt + " " + copyEn);
            //                System.out.println("Ll set " + set);

            //                System.out.println("Getting set for key " + stDate.millisOfDay().setCopy(0));
            SortedSet<DateTime> ss = set.get(stDate.millisOfDay().setCopy(0));
            SortedSet<DateTime> subset = ss.subSet(copySt, copyEn);
            subset.clear();
            set.remove(enDate.millisOfDay().setCopy(0), copyEn);
        }

    }

}

---

From source file:facade.examples.Collections.java

/**
 * Run the examples//from   w  w  w.j a v a  2s .c  o  m
 * @param args <i>ignored</i>
 */
public static void main(String[] args) {

    /* RESISTORS IN PARALLEL WITH FACADE */

    System.out.println("-> With facade: ");
    /* Empty collection of resistors */
    Collection<Double> resistors = new ArrayList<Double>();
    /* adding values. on() modifies the collection in place */
    on(resistors).add(1.5, 3.0, 15.0, 30.0, 150.0);
    /* computing resistance. with() works on a collection copy. */
    double r = 1.0 / with(resistors).map(inverse).reduce(sum);
    /* pretty printing the resistors */
    System.out.println("[ " + with(resistors).join(", ") + " ]");
    /* printing the equivalent resistor */
    System.out.println(r);

    /* --------------------------------------------------------------- */
    System.out.println();
    /* --------------------------------------------------------------- */

    /* RESISTORS IN PARALLEL WITH CLASSIC JAVA */

    System.out.println("-> Without facade: ");
    /* Empty collection of resistors */
    resistors = new ArrayList<Double>();
    /* adding values */
    resistors.add(1.5);
    resistors.add(3.0);
    resistors.add(15.0);
    resistors.add(30.0);
    resistors.add(150.0);
    /* computing resistance */
    double sum = 0.0;
    for (Double resistor : resistors) {
        sum += 1.0 / resistor;
    }
    r = 1.0 / sum;
    /* pretty printing the resistors */
    StringBuilder sb = new StringBuilder();
    sb.append("[ ");
    Iterator<Double> it = resistors.iterator();
    if (it.hasNext()) {
        sb.append(it.next());
    }
    while (it.hasNext()) {
        sb.append(", ").append(it.next());
    }
    sb.append(" ]");
    System.out.println(sb.toString());
    /* printing the equivalent resistor */
    System.out.println(r);

}

---

From source file:com.apress.prospringintegration.messagehistory.MessageHistoryApp.java

public static void main(String[] args) {
    ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
            "classpath:messagehistory/message-history-context.xml");

    MessageChannel input = context.getBean("input", MessageChannel.class);

    PollableChannel output = context.getBean("output", PollableChannel.class);
    input.send(MessageBuilder.withPayload("Pro Spring Integration Example").build());
    Message<?> reply = output.receive();

    Iterator<Properties> historyIterator = reply.getHeaders()
            .get(MessageHistory.HEADER_NAME, MessageHistory.class).iterator();

    while (historyIterator.hasNext()) {
        Properties properties = historyIterator.next();
        System.out.println(properties);
    }//w w  w  . j  a v  a2 s .  c  o m

    System.out.println("received: " + reply);
}

---

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