Example usage for java.lang Double parseDouble

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:com.qagen.osfe.core.utils.BeanPopulator.java

public static Object getValueAsType(String name, String value, String type, String format) {
    if ((value != null) && (value.trim().length() == 0)) {
        return null;
    }/*from w w w .  j ava2 s.  c om*/

    if (type.equals(AttributeType.String.name())) {
        return value;
    }

    if (type.equals(AttributeType.Integer.name())) {
        return Integer.parseInt(value);
    }

    if (type.equals(AttributeType.Float.name())) {
        return Float.parseFloat(value);
    }

    if (type.equals(AttributeType.Double.name())) {
        return Double.parseDouble(value);
    }

    if (type.equals(AttributeType.Boolean.name())) {
        return Boolean.parseBoolean(value);
    }

    if (type.equals(AttributeType.Date.name())) {
        return getDate(name, value, format);
    }

    if (type.equals(AttributeType.Time.name())) {
        return getTime(name, value, format);
    }

    if (type.equals(AttributeType.Long.name())) {
        return Long.parseLong(value);
    }

    if (type.equals(AttributeType.Timestamp.name())) {
        return getTimestamp(name, value, format);
    }

    if (type.equals(AttributeType.Object.name())) {
        return Timestamp.valueOf(value);
    }

    final String message = "The value type, " + type + " is not a defined type.  "
            + "You may need to extend the RowParser class and override the method, getValueAsType().";
    throw new FeedErrorException(message);
}

From source file:com.twosigma.beakerx.table.TableDisplayConverter.java

private static Object convertToNumber(Object value) {
    if (value instanceof String && NumberUtils.isNumber((String) value)) {
        return Double.parseDouble((String) value);
    } else {/*from  w w  w.j  av a2  s. c  o m*/
        return value;
    }
}

From source file:com.eryansky.common.web.struts2.converter.DoubleConverter.java

@Override
public Object convertFromString(Map context, String[] values, Class toClass) {
    if (values != null && values.length > 0) {
        if (values[0].indexOf(',') != -1) {
            return Double.parseDouble(StringUtils.replace(values[0], ",", ""));
        } else {/*from  ww  w.j ava2 s.  co  m*/
            return Double.parseDouble(values[0]);
        }
    }
    return null;
}

From source file:com.gallatinsystems.common.util.JFreechartChartUtil.java

/**
 * generates a pie chart with the set of labels and values passed in (the labels and values
 * arrays must both be non-null and contain the same number of elements). The chart is returned
 * as a byte array representing the image.
 * /*from w  w w.  j  a v  a 2 s  . com*/
 * @param labels
 * @param values
 * @param title
 * @param width
 * @param height
 * @return - byte array containing the image, null if there is an error.
 */
public static byte[] getPieChart(List<String> labels, List<String> values, String title, int width,
        int height) {
    DefaultPieDataset pieDataset = new DefaultPieDataset();

    for (int i = 0; i < labels.size(); i++) {
        pieDataset.setValue(labels.get(i) + " (" + values.get(i) + ")", Double.parseDouble(values.get(i)));
    }
    JFreeChart chart = ChartFactory.createPieChart(title, pieDataset, false, false, false);
    try {
        return ChartUtilities.encodeAsPNG(chart.createBufferedImage(width, height));
    } catch (Exception e) {
        e.printStackTrace(System.err);
        return null;
    }

}

From source file:it.polimi.proximityapi.jsonLogic.POIJsonParser.java

public static ArrayList<POI> parsePOIFile(String jsonString) {
    ArrayList<POI> poiList = new ArrayList<>();
    JSONParser parser = new JSONParser();

    JSONArray poiArray;//ww  w  .  j  ava2s . c o  m
    try {
        poiArray = (JSONArray) parser.parse(jsonString);
        for (int i = 0; i < poiArray.size(); i++) {
            JSONObject jsonPOI = (JSONObject) poiArray.get(i);
            POI poi = new POI();
            poi.setName((String) jsonPOI.get(JsonStrings.NAME));
            poi.setLatitude(Double.parseDouble((String) jsonPOI.get(JsonStrings.LATITUDE)));
            poi.setLongitude(Double.parseDouble((String) jsonPOI.get(JsonStrings.LONGITUDE)));
            if (!jsonPOI.get(JsonStrings.RADIUS).equals(""))
                poi.setRadius(Float.parseFloat((String) jsonPOI.get(JsonStrings.RADIUS)));
            else {
                //Default radius set when it is not set in the corresponding JSON object
                poi.setRadius(TechnologyManager.BT_START_GEOFENCE_RADIUS);
            }
            poi.setBeaconUuid((String) jsonPOI.get(JsonStrings.BEACON_UUID));
            poiList.add(poi);
        }
    } catch (ParseException e) {
        e.printStackTrace();
    }
    return poiList;
}

From source file:com.dsh105.nexus.util.StringUtil.java

/**
 * Tests if the given String is an Double
 *
 * @param string the String to be checked
 * @return true if Double//from  ww  w. j ava2s.c  o m
 */
public static boolean isDouble(String string) {
    try {
        Double.parseDouble(string);
    } catch (NumberFormatException ex) {
        return false;
    }
    return true;
}

From source file:Main.java

/**
 * @param colorNode//  w w w . j a  va 2 s .  com
 * @return the alpha value
 */
public static String toAlphaValue(Node colorNode) {
    String value = "1";

    if (colorNode == null || colorNode.getFirstChild() == null) {
        return value;
    }

    try {// FIXME no good to grab 1st child than node val
        String nodeVal = colorNode.getFirstChild().getNodeValue();

        value = String.valueOf(Double.parseDouble(nodeVal) / 255d);
    } catch (Exception e) {
        e.printStackTrace();
    }
    // don't care about number formating, just trim the string
    if (value.length() > 6) {
        value = value.substring(0, 5);
    }
    return value;
}

From source file:com.dtstack.jlogstash.assembly.CmdLineParams.java

public static double getInputQueueCoefficient() {
    String number = line.getOptionValue("c");
    double coefficient = StringUtils.isNotBlank(number) ? Double.parseDouble(number)
            : SystemProperty.getInputProportion();
    logger.warn("input queue coefficient:{}", String.valueOf(coefficient));
    return coefficient;
}

From source file:Main.java

public static double parseDS(String s) {
    return s != null && s.length() != 0 ? Double.parseDouble(s.replace(',', '.')) : 0;
}

From source file:com.zotoh.core.util.DataUte.java

/**
 * @param obj//from  w w  w . ja v  a 2 s .c om
 * @return
 */
public static double toDouble(Object obj) {
    if (isNull(obj))
        throw new RuntimeException("Null object conversion not allowed");
    if (obj instanceof Double) {
        return (Double) obj;
    } else {
        return Double.parseDouble(obj.toString());
    }
}