Example usage for java.lang Double parseDouble

List of usage examples for java.lang Double parseDouble

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Introduction

In this page you can find the example usage for java.lang Double parseDouble.

Prototype

public static double parseDouble(String s) throws NumberFormatException

Source Link

Document

Returns a new double initialized to the value represented by the specified String , as performed by the valueOf method of class Double .

Usage

From source file:Main.java

/**
 * Parses an xs:duration attribute value, returning the parsed duration in milliseconds.
 *
 * @param value The attribute value to parse.
 * @return The parsed duration in milliseconds.
 *//*from  w w  w  .  ja v  a  2 s  .co m*/
public static long parseXsDuration(String value) {
    Matcher matcher = XS_DURATION_PATTERN.matcher(value);
    if (matcher.matches()) {
        boolean negated = !TextUtils.isEmpty(matcher.group(1));
        // Durations containing years and months aren't completely defined. We assume there are
        // 30.4368 days in a month, and 365.242 days in a year.
        String years = matcher.group(3);
        double durationSeconds = (years != null) ? Double.parseDouble(years) * 31556908 : 0;
        String months = matcher.group(5);
        durationSeconds += (months != null) ? Double.parseDouble(months) * 2629739 : 0;
        String days = matcher.group(7);
        durationSeconds += (days != null) ? Double.parseDouble(days) * 86400 : 0;
        String hours = matcher.group(10);
        durationSeconds += (hours != null) ? Double.parseDouble(hours) * 3600 : 0;
        String minutes = matcher.group(12);
        durationSeconds += (minutes != null) ? Double.parseDouble(minutes) * 60 : 0;
        String seconds = matcher.group(14);
        durationSeconds += (seconds != null) ? Double.parseDouble(seconds) : 0;
        long durationMillis = (long) (durationSeconds * 1000);
        return negated ? -durationMillis : durationMillis;
    } else {
        return (long) (Double.parseDouble(value) * 3600 * 1000);
    }
}

From source file:blue.soundObject.jmask.Random.java

public static Generator loadFromXML(Element data) {
    Random retVal = new Random();

    Elements nodes = data.getElements();

    while (nodes.hasMoreElements()) {
        Element node = nodes.next();
        String nodeName = node.getName();

        if (nodeName.equals("min")) {
            retVal.min = Double.parseDouble(node.getTextString());
        } else if (nodeName.equals("max")) {
            retVal.max = Double.parseDouble(node.getTextString());
        }//  w  w w.  j  ava 2 s. c o m
    }

    return retVal;
}

From source file:org.jfree.chart.demo.DataParser.java

public boolean parseString(String data) {
    String[] input = data.split(" ");
    coords[0] = Integer.parseInt(input[0]);
    coords[1] = Integer.parseInt(input[1]);
    //throw out bad values
    if (coords[0] == 0 || coords[0] > effectiveX)
        return false;
    if (coords[1] == 0 || coords[1] > effectiveY)
        return false;

    if (data.length() > 2) {
        time = Double.parseDouble(input[2]);
    }/* ww w .j a  v a2 s .c o  m*/
    return true;
}

From source file:Main.java

public static double getCpuUsage1() {
    try {/*from  w  ww  .  j av a  2s .  c  o m*/
        RandomAccessFile reader = new RandomAccessFile("/proc/stat", "r");
        String load = reader.readLine();
        String[] toks = load.split(" ");

        double user1 = Double.parseDouble(toks[2]);
        double system1 = Double.parseDouble(toks[4]);
        double irq1 = Double.parseDouble(toks[7]);
        double idle1 = Double.parseDouble(toks[5]);
        try {
            Thread.sleep(360);
        } catch (Exception e) {
            e.printStackTrace();
        }
        reader.seek(0);
        load = reader.readLine();
        reader.close();
        toks = load.split(" ");
        double user2 = Double.parseDouble(toks[2]);
        double system2 = Double.parseDouble(toks[4]);
        double irq2 = Double.parseDouble(toks[7]);
        double idle2 = Double.parseDouble(toks[5]);

        double user_pass = user2 - user1;
        double system_pass = system2 - system1;
        double irq_pass = irq2 - irq1;
        double idle_pass = idle2 - idle1;
        double usage = (user_pass + system_pass + irq_pass) * 100.00
                / (user_pass + irq_pass + system_pass + idle_pass);
        BigDecimal b = new BigDecimal(usage);
        double res = b.setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
        return res;
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e1) {
        e1.printStackTrace();
    }

    return 0;

}

From source file:Data.Utilities.java

public static Double distDiff(GPSRec rec1, GPSRec rec2) {

    return haversine(Double.parseDouble(rec1.getLatitude()), Double.parseDouble(rec1.getLongitude()),
            Double.parseDouble(rec2.getLatitude()), Double.parseDouble(rec2.getLongitude()));
}

From source file:biblioteca.reportes.ChartCreator.java

public static DefaultPieDataset asignarPieDataset(ArrayList<String> Valores) {
    DefaultPieDataset dataSet = new DefaultPieDataset();
    int size = Valores.size();
    size = (size <= 32) ? size : 32;//from  www  . j  a  va  2s .  c  om
    for (int i = 2; i < size; i += 2) {
        dataSet.setValue(Valores.get(i), Double.parseDouble(Valores.get(i + 1)));
    }
    return dataSet;
}

From source file:net.servicestack.client.Utils.java

public static Double tryParseDouble(String str) {
    try {// www. j  a v  a2s  .  c om
        return Double.parseDouble(str);
    } catch (Exception ex) {
        return null;
    }
}

From source file:Main.java

/** Locate a sub-element tagged 'name', return its value.
 *
 *  @param element Element where to start looking. May be null.
 *  @param name Name of sub-element to locate.
 *  @param default_value Default value if not found
 *
 *  @return Returns double string that was found
 *  @throws Exception on error in number format
 *//*from   w  w w  .j  a  v a2 s  . c  o  m*/
final public static double getSubelementDouble(final Element element, final String name,
        final double default_value) throws Exception {
    final String text = getSubelementString(element, name, "").trim();
    if (text.isEmpty())
        return default_value;
    try {
        return Double.parseDouble(text);
    } catch (NumberFormatException ex) {
        throw new Exception("Invalid number for <" + name + ">", ex);
    }
}

From source file:api.util.JsonUtil.java

public static Number asNumber(Object val) {
    if (val instanceof Number)
        return (Number) val;
    if (val == JSONObject.NULL)
        return null;
    if (val instanceof String) {
        String str = (String) val;
        try {// w  w w . jav a 2s .c  o m
            return Integer.parseInt(str);
        } catch (Exception ex) {
        }
        try {
            return Long.parseLong(str);
        } catch (Exception ex) {
        }
        try {
            return Double.parseDouble(str);
        } catch (Exception ex) {
        }
    }
    throw new IllegalArgumentException("Not a number: " + val);
}

From source file:edu.cmu.tetrad.cli.util.Args.java

public static double getDouble(String value) {
    try {//  w w w  .  j  ava 2s.  c o  m
        return Double.parseDouble(value);
    } catch (NumberFormatException exception) {
        throw new IllegalArgumentException(String.format("'%s' is not a double.", value));
    }
}