Example usage for java.util Scanner hasNext

List of usage examples for java.util Scanner hasNext

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Introduction

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

Prototype

public boolean hasNext()

Source Link

Document

Returns true if this scanner has another token in its input.

Usage

From source file:com.rockhoppertech.music.DurationParser.java

public static List<Double> getDurationsAsList(String durations) {
    String token = null;/*from   ww  w  .  ja  v  a  2 s . c  o m*/
    List<Double> list = new ArrayList<Double>();
    Scanner scanner = new Scanner(durations);

    if (durations.indexOf(',') != -1) {
        scanner.useDelimiter(",");
    }

    while (scanner.hasNext()) {
        if (scanner.hasNext(dpattern)) {
            token = scanner.next(dpattern);
            double d = getDottedValue(token);
            list.add(d);
            logger.debug("'{}' is dotted value is {}", token, d);

        } else if (scanner.hasNext(pattern)) {
            token = scanner.next(pattern);
            double d = durKeyMap.get(token);
            list.add(d);
            logger.debug("'{}' is not dotted value is {}", token, d);
            // } else if (scanner.hasNext(tripletPattern)) {
            // token = scanner.next(tripletPattern);
            // double d = durKeyMap.get(token);
            // ts.add(d);
            // System.out.println(String
            // .format("'%s' is not dotted value is %f",
            // token,
            // d));
        } else if (scanner.hasNextDouble()) {
            double d = scanner.nextDouble();
            list.add(d);
            logger.debug("{} is a double", d);
        } else {
            // just ignore it. or throw exception?
            String skipped = scanner.next();
            logger.debug("skipped '{}'", skipped);
        }
    }
    scanner.close();
    return list;
}

From source file:org.apache.felix.http.itest.BaseIntegrationTest.java

protected static String slurpAsString(InputStream is) throws IOException {
    // See <weblogs.java.net/blog/pat/archive/2004/10/stupid_scanner_1.html>
    Scanner scanner = new Scanner(is, "UTF-8");
    try {/*from   w ww. j  av a 2 s .com*/
        scanner.useDelimiter("\\A");

        return scanner.hasNext() ? scanner.next() : null;
    } finally {
        try {
            scanner.close();
        } catch (Exception e) {
            // Ignore...
        }
    }
}

From source file:org.isource.util.CSVUtils.java

public static List<List> readCsv(String csvFile) {
    List<List> lines = new ArrayList<List>();
    try {// w w  w . ja  v  a 2s.c o m
        if (getFileExtension(csvFile).equalsIgnoreCase("csv")) {
            Scanner scanner = new Scanner(new File(csvFile));
            while (scanner.hasNext()) {
                List<String> line = parseLine(scanner.nextLine());
                lines.add(line);
            }
            scanner.close();
        } else if (getFileExtension(csvFile).equalsIgnoreCase("xls")) {
            lines = readXls(csvFile);
        }
    } catch (FileNotFoundException ex) {
        Logger.getLogger(CSVUtils.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(CSVUtils.class.getName()).log(Level.SEVERE, null, ex);
    }

    return lines;
}

From source file:com.aurel.track.dbase.UpdateDbSchema.java

/**
 * Run an SQL script/*from   w  w  w  .java  2  s  .  co  m*/
 * @param script
 */
@SuppressWarnings("resource")
private static void runSQLScript(String script, int maxValue, String progressText) {
    String folderName = getDbScriptFolder();
    int line = 0;
    int noOfLines = 0;
    int progress = 0;
    Connection cono = null;
    try {
        long start = new Date().getTime();
        cono = InitDatabase.getConnection();
        cono.setAutoCommit(false);
        Statement ostmt = cono.createStatement();
        script = "/dbase/" + folderName + "/" + script;
        URL populateURL = ApplicationBean.getInstance().getServletContext().getResource(script);
        InputStream in = populateURL.openStream();
        java.util.Scanner s = new java.util.Scanner(in, "UTF-8").useDelimiter(";");
        while (s.hasNext()) {
            ++noOfLines;
            s.nextLine();
        }
        int mod = noOfLines / maxValue;
        in.close();
        in = populateURL.openStream();
        s = new java.util.Scanner(in, "UTF-8").useDelimiter(";");
        String st = null;
        StringBuilder stb = new StringBuilder();

        int modc = 0;
        progress = Math.round(new Float(mod) / new Float(noOfLines) * maxValue);

        LOGGER.info("Running SQL script " + script);
        while (s.hasNext()) {
            stb.append(s.nextLine().trim());
            st = stb.toString();
            ++line;
            ++modc;
            if (!st.isEmpty() && !st.startsWith("--") && !st.startsWith("/*") && !st.startsWith("#")) {
                if (st.trim().equalsIgnoreCase("go")) {
                    try {
                        cono.commit();
                    } catch (Exception ex) {
                        LOGGER.error(ExceptionUtils.getStackTrace(ex));
                    }
                    stb = new StringBuilder();
                } else {
                    if (st.endsWith(";")) {
                        stb = new StringBuilder(); // clear buffer
                        st = st.substring(0, st.length() - 1); // remove the semicolon
                        try {
                            if ("commit".equals(st.trim().toLowerCase())
                                    || "go".equals(st.trim().toLowerCase())) {
                                cono.commit();
                            } else {
                                ostmt.executeUpdate(st);
                                if (mod > 4 && modc >= mod) {
                                    modc = 0;
                                    ApplicationStarter.getInstance().actualizePercentComplete(progress,
                                            progressText);
                                }
                            }
                        } catch (Exception exc) {
                            if (!("Derby".equals(folderName) && exc.getMessage().contains("DROP TABLE")
                                    && exc.getMessage().contains("not exist"))) {
                                LOGGER.error("Problem executing DDL statements: " + exc.getMessage());
                                LOGGER.error("Line " + line + ": " + st);
                            }
                        }
                    } else {
                        stb.append(" ");
                    }
                }
            } else {
                stb = new StringBuilder();
            }
        }
        in.close();
        cono.commit();
        cono.setAutoCommit(true);

        long now = new Date().getTime();
        LOGGER.info("Database schema creation took " + (now - start) / 1000 + " seconds.");

    } catch (Exception e) {
        LOGGER.error("Problem upgrading database schema in line " + line + " of file " + script, e);
    } finally {
        try {
            if (cono != null) {
                cono.close();
            }
        } catch (Exception e) {
            LOGGER.info("Closing the connection failed with " + e.getMessage());
            LOGGER.debug(ExceptionUtils.getStackTrace(e));
        }
    }
}

From source file:com.android.idtt.http.client.util.URLEncodedUtils.java

/**
 * Adds all parameters within the Scanner to the list of
 * <code>parameters</code>, as encoded by <code>encoding</code>. For
 * example, a scanner containing the string <code>a=1&b=2&c=3</code> would
 * add the {@link org.apache.http.NameValuePair NameValuePairs} a=1, b=2, and c=3 to the
 * list of parameters.//  w w  w  .  j  a  va 2 s.  c om
 *
 * @param parameters List to add parameters to.
 * @param scanner    Input that contains the parameters to parse.
 * @param charset    Encoding to use when decoding the parameters.
 */
public static void parse(final List<NameValuePair> parameters, final Scanner scanner, final String charset) {
    scanner.useDelimiter(PARAMETER_SEPARATOR);
    while (scanner.hasNext()) {
        String name = null;
        String value = null;
        String token = scanner.next();
        int i = token.indexOf(NAME_VALUE_SEPARATOR);
        if (i != -1) {
            name = decodeFormFields(token.substring(0, i).trim(), charset);
            value = decodeFormFields(token.substring(i + 1).trim(), charset);
        } else {
            name = decodeFormFields(token.trim(), charset);
        }
        parameters.add(new BasicNameValuePair(name, value));
    }
}

From source file:com.hybris.mobile.model.product.Product.java

/**
 * This method parses the messages sent from OCC to create HTML with links recognised by the app. Note this code is
 * brittle and relies on very specific formatting in OCC. This method is specifoc to product promotions.
 * //ww  w .j  ava  2  s .c  o  m
 * @param p
 *           The product
 * @return the HTML string to place as the promotions text
 */
public static String generatePromotionString(ProductPromotion productPromotion) {
    String promotionsString = productPromotion.getDescription();

    /*
     * firedMessages trumps description
     */
    if (productPromotion.getFiredMessages() != null && !productPromotion.getFiredMessages().isEmpty()) {
        promotionsString = productPromotion.getFiredMessages().get(0);
        promotionsString.replaceAll("<br>", "\n");
    }
    /*
     * couldFireMessage trumps firedMessage
     */
    if (productPromotion.getCouldFireMessages() != null && !productPromotion.getCouldFireMessages().isEmpty()) {
        promotionsString = productPromotion.getCouldFireMessages().get(0);
        promotionsString.replaceAll("<br>", "\n");
    }
    /*
     * Builds links in the form http://m.hybris.com/123456 N.B. iOS builds links in the form appName://product/123456
     * with the title as the product name
     */
    ArrayList<String> links = new ArrayList<String>();
    ArrayList<String> codes = new ArrayList<String>();
    ArrayList<String> productNames = new ArrayList<String>();
    Pattern codePattern = Pattern.compile("[0-9]{6,7}");
    Scanner s1 = new Scanner(promotionsString);
    s1.useDelimiter("<a href=");
    while (s1.hasNext()) {
        String str = s1.next();
        if (str.startsWith("$config")) {
            Scanner s2 = new Scanner(str);
            s2.useDelimiter("</a>");
            String link = s2.next();
            links.add(link);
        }
    }
    for (String link : links) {
        Scanner s3 = new Scanner(link);
        s3.useDelimiter("<b>");
        s3.next();
        while (s3.hasNext()) {
            String str = s3.next();
            if (!str.startsWith("$")) {
                Scanner s4 = new Scanner(str);
                s4.useDelimiter("</b>");
                String name = s4.next();
                productNames.add(name);
            }
        }
        // Find the codes
        Matcher m = codePattern.matcher(link);
        while (m.find()) {
            String s = m.group();
            codes.add(s);
        }
    }
    // Build the new links
    int position = 0;
    for (String link : links) {
        promotionsString = promotionsString.replace(link, String.format("\"http://m.hybris.com/%s\">%s",
                codes.get(position), productNames.get(position)));
        position++;
    }

    return promotionsString;
}

From source file:com.groupon.odo.HttpUtilities.java

/**
 * Obtain collection of Parameters from request
 *
 * @param httpServletRequest/*w w  w  . j  a v  a2 s.c  o m*/
 * @return
 * @throws Exception
 */
public static Map<String, String[]> mapUrlEncodedParameters(HttpServletRequest httpServletRequest)
        throws Exception {

    InputStream body = httpServletRequest.getInputStream();
    java.util.Scanner s = new java.util.Scanner(body).useDelimiter("\\A");
    Map<String, String[]> mapPostParameters = new HashMap<String, String[]>();

    try {
        if (s.hasNext()) {
            String requestData = s.next();
            String[] splitRequestData = requestData.split("&");
            for (String requestPart : splitRequestData) {
                String[] parts = requestPart.split("=");
                ArrayList<String> values = new ArrayList<String>();
                if (mapPostParameters.containsKey(parts[0])) {
                    values = new ArrayList<String>(Arrays.asList(mapPostParameters.get(parts[0])));
                    mapPostParameters.remove(parts[0]);
                }

                if (parts.length > 1) {
                    values.add(parts[1]);
                }

                mapPostParameters.put(parts[0], values.toArray(new String[values.size()]));
            }
        }
    } catch (Exception e) {
        throw new Exception("Could not parse request data: " + e.getMessage());
    }

    return mapPostParameters;
}

From source file:configurator.Configurator.java

/**
 * Method for transform ip text to list of ip addresses. Check recording
 * method and select the method of conversion.
 *
 * @param ipText List of ip ranges, subnets and single ip
 * @return list of ip addresses// ww w .jav a2 s  .  com
 */
static List<String> parseIp(String ipText) {
    Scanner ipReader = new Scanner(ipText);
    List<String> ipList = new ArrayList<>();
    String ipLine;
    while (ipReader.hasNext()) {
        ipLine = ipReader.nextLine().trim();
        if (ipLine.contains("/")) {
            ipList.addAll(parseIpSubnet(ipLine));
        } else if (ipLine.contains("-")) {
            ipList.addAll(parseIpRange(ipLine));
        } else if (validateIP(ipLine)) {
            ipList.add(ipLine);
        } else {
            throw new NumberFormatException();
        }
    }
    return ipList;
}

From source file:org.envirocar.app.util.Util.java

public static CharSequence consumeInputStream(InputStream in) throws IOException {
    Scanner sc = new Scanner(in, "UTF-8");

    StringBuilder sb = new StringBuilder();
    String sep = System.getProperty("line.separator");
    while (sc.hasNext()) {
        sb.append(sc.nextLine());//  w  ww  .  ja v a 2 s.c o m
        sb.append(sep);
    }
    sc.close();

    return sb;
}

From source file:com.gistlabs.mechanize.util.apache.URLEncodedUtils.java

/**
 * Adds all parameters within the Scanner to the list of
 * <code>parameters</code>, as encoded by <code>encoding</code>. For
 * example, a scanner containing the string <code>a=1&b=2&c=3</code> would
 * add the {@link NameValuePair NameValuePairs} a=1, b=2, and c=3 to the
 * list of parameters./*from  ww  w .ja  v a 2  s  . c o m*/
 *
 * @param parameters
 *            List to add parameters to.
 * @param scanner
 *            Input that contains the parameters to parse.
 * @param charset
 *            Encoding to use when decoding the parameters.
 */
public static void parse(final List<NameValuePair> parameters, final Scanner scanner, final String charset) {
    scanner.useDelimiter(PARAMETER_SEPARATOR);
    while (scanner.hasNext()) {
        String name = null;
        String value = null;
        String token = scanner.next();
        int i = token.indexOf(NAME_VALUE_SEPARATOR);
        if (i != -1) {
            name = decodeFormFields(token.substring(0, i).trim(), charset);
            value = decodeFormFields(token.substring(i + 1).trim(), charset);
        } else
            name = decodeFormFields(token.trim(), charset);
        parameters.add(new BasicNameValuePair(name, value));
    }
}