Example usage for java.util Scanner useDelimiter

Introduction

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

Prototype

public Scanner useDelimiter(String pattern) 

Source Link

Document

Sets this scanner's delimiting pattern to a pattern constructed from the specified String .

Usage

From source file:com.cloudant.client.org.lightcouch.internal.CouchDbUtil.java

public static String streamToString(InputStream in) {
    Scanner s = new Scanner(in, "UTF-8");
    s.useDelimiter("\\A");
    String str = s.hasNext() ? s.next() : null;
    close(in);/*from   w  w w.j  a  v a  2s  .co m*/
    s.close();// mdb
    return str;
}

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From source file:cz.autoclient.github.json.GitHubJson.java

public static JSONObject fromURL(URL url) {
    Scanner s;
    try {/*from   w  ww. jav a2  s.co  m*/
        s = new Scanner(url.openStream(), "UTF-8");
    } catch (IOException ex) {
        throw new IllegalArgumentException("JSON file not found at " + url);
    }
    s.useDelimiter("\\A");
    if (s.hasNext()) {
        String out = s.next();
        try {
            return new JSONObject(out);
        } catch (JSONException ex) {
            throw new IllegalArgumentException(
                    "Invalid JSON contents at " + url + " - \n         JSON error:" + ex);
            //Logger.getLogger(DataLoader.class.getName()).log(Level.SEVERE, null, ex);
        }
    } else
        throw new IllegalArgumentException("JSON file not found at " + url);
}

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From source file:aiai.ai.launchpad.experiment.ExperimentUtils.java

public static NumberOfVariants getNumberOfVariants(String variantsAsStr) {
    if (StringUtils.isBlank(variantsAsStr)) {
        return ZERO_VARIANT;
    }/*from w  w  w.ja  v  a 2s. c om*/
    String s = variantsAsStr.trim();
    if (s.charAt(0) != '(' && s.charAt(0) != '[' && !StringUtils.startsWithIgnoreCase(s.toLowerCase(), RANGE)) {
        final NumberOfVariants variants = new NumberOfVariants(true, null, 1);
        variants.values.add(s);
        return variants;
    }
    if (s.startsWith("[")) {
        int count = 0;
        final NumberOfVariants variants = new NumberOfVariants(true, null, 0);
        for (StringTokenizer st = new StringTokenizer(s, "[,] "); st.hasMoreTokens();) {
            String token = st.nextToken();
            variants.values.add(token);
            count++;
        }
        variants.count = count;
        return variants;
    }
    String s1 = s;
    if (StringUtils.startsWithIgnoreCase(s1, RANGE)) {
        s1 = s1.substring(RANGE.length()).trim();
    }
    if (s1.charAt(0) == '(') {
        Scanner scanner = new Scanner(s1.substring(1));
        scanner.useDelimiter("[,)]");
        int start;
        int end;
        int change;
        try {
            start = Integer.parseInt(scanner.next().trim());
            end = Integer.parseInt(scanner.next().trim());
            change = Integer.parseInt(scanner.next().trim());
        } catch (NumberFormatException | NoSuchElementException e) {
            return new NumberOfVariants(false, "Wrong string format for string: " + s, 0);
        }

        int count = 0;
        final NumberOfVariants variants = new NumberOfVariants(true, null, 0);
        for (int i = start; i < end; i += change) {
            variants.values.add(Integer.toString(i));
            count++;
            if (count > 100) {
                return new NumberOfVariants(false, "Too many variants for string: " + s, 0);
            }
        }
        variants.count = count;
        return variants;
    }
    return new NumberOfVariants(false, "Wrong number format for string: " + s, 0);
}

---

From source file:org.bibsonomy.rest.utils.HeaderUtils.java

/**
 * /* ww w  .j  a v  a2  s . c  o m*/
 * @param acceptHeader 
 *          the HTML ACCEPT Header
 *          <br/>example: 
 *             <code>ACCEPT: text/xml,text/html;q=0.9,text/plain;q=0.8,image/png</code>
 *             would be interpreted in the following precedence:
 *              <ol>
 *             <li>text/xml</li>
 *             <li>image/png</li>
 *             <li>text/html</li>
 *             <li>text/plain</li>
 *              </ol>
 *          )    
 * @return a sorted map with the precedences
 */
public static SortedMap<Double, Vector<String>> getPreferredTypes(final String acceptHeader) {
    // maps the q-value to output format (reverse order)
    final SortedMap<Double, Vector<String>> preferredTypes = new TreeMap<Double, Vector<String>>(
            new Comparator<Double>() {
                @Override
                public int compare(Double o1, Double o2) {
                    if (o1.doubleValue() > o2.doubleValue())
                        return -1;
                    else if (o1.doubleValue() < o2.doubleValue())
                        return 1;
                    else
                        return o1.hashCode() - o2.hashCode();
                }
            });

    if (!present(acceptHeader)) {
        return preferredTypes;
    }

    // fill map with q-values and formats
    final Scanner scanner = new Scanner(acceptHeader.toLowerCase());
    scanner.useDelimiter(",");

    while (scanner.hasNext()) {
        final String[] types = scanner.next().split(";");
        final String type = types[0];
        double qValue = 1;

        if (types.length != 1) {
            /*
             * FIXME: we get 
             *   java.lang.NumberFormatException: For input string: "screen"
             * in the error log because the format we assume seems to be 
             * different by some clients. Until we find out, what is really 
             * wrong (our parsing or the client), we are more careful with
             * parsing external data.
             */
            try {
                qValue = Double.parseDouble(types[1].split("=")[1]);
            } catch (NumberFormatException e) {
                qValue = 0;
                log.error("Couldn't parse accept header '" + acceptHeader + "'");
            }
        }

        Vector<String> v = preferredTypes.get(qValue);
        if (!preferredTypes.containsKey(qValue)) {
            v = new Vector<String>();
            preferredTypes.put(qValue, v);
        }
        v.add(type);
    }
    return preferredTypes;
}

---

From source file:IO.java

public static int[] readIntVec(File file, int nData) {
    int[] data = new int[nData];
    try {// w w  w.j  a v a 2 s .c o  m
        Scanner sc = new Scanner(file);
        sc.useDelimiter(",|\\n");

        for (int i = 0; i < nData; i++) {
            data[i] = sc.nextInt();
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    return data;
}

---

From source file:com.adyen.httpclient.HttpURLConnectionClient.java

private static String getResponseBody(InputStream responseStream) throws IOException {
    //\A is the beginning of the stream boundary
    Scanner scanner = new Scanner(responseStream, CHARSET);
    String rBody = scanner.useDelimiter("\\A").next();
    scanner.close();//from w  w w.  jav  a  2 s.  c om
    responseStream.close();
    return rBody;
}

---

From source file:org.wso2.carbon.la.core.utils.LogPatternExtractor.java

public static Map<String, String> processDelimiter(String logLine, String delimiter) {
    String value = null;/*from  w w  w.  j  av a  2s  .  c  o m*/
    String delemiterConf = null;
    Map<String, String> logEvent = new HashMap<>();

    switch (delimiter) {
    case "space":
        delemiterConf = LAConstants.DELIMITER_SPACE;
        break;
    case "comma":
        delemiterConf = LAConstants.DELIMITER_COMMA;
        break;
    case "pipe":
        delemiterConf = LAConstants.DELIMITER_PIPE;
        break;
    case "tab":
        delemiterConf = LAConstants.DELIMITER_TAB;
        break;
    default:
        delemiterConf = delimiter;
        break;
    }
    // Initialize Scanner object
    Scanner scan = new Scanner(logLine.trim());
    // initialize the string delimiter
    scan.useDelimiter(delemiterConf.trim());

    int fieldIndex = 0;
    while (scan.hasNext()) {
        String fieldName = "field" + fieldIndex;
        logEvent.put(fieldName, scan.next());
        fieldIndex++;
    }
    // closing the scanner stream
    scan.close();
    return logEvent;
}

---

From source file:IO.java

public static double[][] readDoubleMat(File file, int row, int col) {
    double[][] data = new double[row][col];
    try {//  w  w  w  .  j av a 2s  .  co  m
        Scanner sc = new Scanner(file);
        sc.useDelimiter(",|\\n");

        for (int i = 0; i < row; i++)
            for (int j = 0; j < col; j++) {
                data[i][j] = Double.parseDouble(sc.next());
            }

    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    return data;
}

---

From source file:IO.java

public static double[] readDoubleVec(File file) {
    double[] data;
    try {/*from w ww .  j  a v a  2 s .c o m*/
        int nData = countLines(file.getAbsolutePath());
        data = new double[nData];

        Scanner sc = new Scanner(file);
        sc.useDelimiter(",|\\n");
        for (int i = 0; i < nData; i++) {
            data[i] = sc.nextDouble();
        }
        return data;
    } catch (IOException e) {
        e.printStackTrace();
        data = new double[0];
        return data;
    }
}

---

From source file:com.almende.pi5.lch.SimManager.java

private static String convertStreamToString(InputStream is) {
    final Scanner s = new Scanner(is, "UTF-8");
    s.useDelimiter("\\A");
    final String result = s.hasNext() ? s.next() : "";
    s.close();//w w  w . java 2 s . co m
    return result;
}

---

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