Example usage for java.text DecimalFormat format

Introduction

In this page you can find the example usage for java.text DecimalFormat format.

Prototype

public final String format(double number) 

Source Link

Document

Specialization of format.

Usage

From source file:org.jspringbot.keyword.expression.ELUtils.java

public static String formatDouble(Double amount, String format) {
    DecimalFormat formatter = new DecimalFormat(format);

    return formatter.format(amount);
}

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From source file:com.ultrapower.eoms.common.plugin.ecside.util.ExtremeUtils.java

    public static String formatNumber(String format, Object value, Locale locale) {
        String result = null;/*from  w w  w.  j  ava  2  s.  com*/

        if (value == null) {
            return result;
        }

        if (StringUtils.isBlank(format)) {
//            logger.warn("The format was not defined for number [" + value.toString() + "].");
            return value.toString();
        }

        NumberFormat nf = NumberFormat.getNumberInstance(locale);
        DecimalFormat df = (DecimalFormat) nf;
        df.applyLocalizedPattern(format);

        return df.format(Double.parseDouble(value.toString()));
    }

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From source file:com.googlecode.jtiger.modules.ecside.util.ExtremeUtils.java

public static String formatNumber(String format, Object value, Locale locale) {
    String result = null;/*w  ww  .  jav a 2  s  . c om*/

    if (value == null) {
        return result;
    }

    if (StringUtils.isBlank(format)) {
        //            logger.warn("The format was not defined for number [" + value.toString() + "].");
        return value.toString();
    }

    NumberFormat nf = NumberFormat.getNumberInstance(locale);
    DecimalFormat df = (DecimalFormat) nf;
    df.applyLocalizedPattern(format);

    return df.format(Double.parseDouble(value.toString()));
}

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From source file:com.controlj.addon.weather.wbug.service.WeatherBugDataUtils.java

/**
 * Formats a number into a string.//from  w w  w.  j av  a  2s  .  c om
 * 
 * @param d
 *            the decimal number being formatted.
 * @param pattern
 *            the pattern describing the string format.
 * @return the formatted string.
 */
public static String formatNumber(double d, String pattern) {
    DecimalFormat format = new DecimalFormat(pattern, new DecimalFormatSymbols(Locale.US));
    return format.format(d);
}

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From source file:com.midisheetmusicmemo.ChooseSongActivity.java

public static void logHeap() {
    Double allocated = new Double(Debug.getNativeHeapAllocatedSize()) / new Double((1048576));
    Double available = new Double(Debug.getNativeHeapSize()) / 1048576.0f;
    Double free = new Double(Debug.getNativeHeapFreeSize()) / 1048576.0f;
    DecimalFormat df = new DecimalFormat();
    df.setMaximumFractionDigits(2);// w  w  w .  java2  s.  c  o m
    df.setMinimumFractionDigits(2);

    Log.d("blah", "debug. =================================");
    Log.d("blah", "debug.heap native: allocated " + df.format(allocated) + "MB of " + df.format(available)
            + "MB (" + df.format(free) + "MB free)");
    Log.d("blah",
            "debug.memory: allocated: " + df.format(new Double(Runtime.getRuntime().totalMemory() / 1048576))
                    + "MB of " + df.format(new Double(Runtime.getRuntime().maxMemory() / 1048576)) + "MB ("
                    + df.format(new Double(Runtime.getRuntime().freeMemory() / 1048576)) + "MB free)");
    System.gc();
    System.gc();
}

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From source file:juicebox.tools.utils.juicer.apa.APAPlotter.java

/**
 * Method for plotting apa data/*from  w  ww .j av  a  2s.  c  om*/
 *
 * @param data       for heat map
 * @param axesRange  initial values and increments to annotate axes [x0, dx, y0, dy]
 * @param outputFile where image will saved
 */
public static void plot(RealMatrix data, int[] axesRange, File outputFile, String title) {

    APARegionStatistics apaStats = new APARegionStatistics(data);
    DecimalFormat df = new DecimalFormat("0.000");
    title += ", P2LL = " + df.format(apaStats.getPeak2LL());

    // initialize heat map
    HeatChart map = new HeatChart(data.getData());
    map.setLowValueColour(Color.WHITE);
    map.setHighValueColour(Color.RED);
    map.setXValues(axesRange[0], axesRange[1]);
    map.setYValues(axesRange[2], axesRange[3]);
    map.setTitle(title);

    try {
        // calculate dimensions for plot wrapper
        initializeSizes(map);

        // create blank white image
        BufferedImage apaImage = new BufferedImage(fullWidth, fullHeight, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2 = apaImage.createGraphics();
        g2.setBackground(Color.WHITE);
        g2.fillRect(0, 0, fullWidth, fullHeight);

        // plot in heat map, color bar, etc
        g2.drawImage(map.getChartImage(), 0, 0, heatmapWidth, fullHeight, null);
        drawHeatMapBorder(g2, map);
        plotColorScaleBar(g2);
        plotColorScaleValues(g2, map);

        // top left, top right, bottom left, bottom right values (from apa)

        drawCornerRegions(g2, map, new Dimension(APA.regionWidth, APA.regionWidth),
                apaStats.getRegionCornerValues());

        // save data
        ImageIO.write(apaImage, "png", outputFile);

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

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From source file:StringUtils.java

/**
 * Format a percentage for presentation to the user.
 * @param done the percentage to format (0.0 to 1.0)
 * @param digits the number of digits past the decimal point
 * @return a string representation of the percentage
 *//*from ww  w .j a  v  a 2  s . co m*/
public static String formatPercent(double done, int digits) {
    DecimalFormat percentFormat = new DecimalFormat("0.00%");
    double scale = Math.pow(10.0, digits + 2);
    double rounded = Math.floor(done * scale);
    percentFormat.setDecimalSeparatorAlwaysShown(false);
    percentFormat.setMinimumFractionDigits(digits);
    percentFormat.setMaximumFractionDigits(digits);
    return percentFormat.format(rounded / scale);
}

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From source file:com.sciaps.utils.Util.java

public static IntervalMarker createMarker(double min, double max, String element) {
    IntervalMarker marker = new IntervalMarker(min, max);
    marker.setPaint(Color.green);

    DecimalFormat df = new DecimalFormat("#0.000");
    String label = df.format(min);

    if (element != null) {
        label = element + ":" + label;
    }/*from   w w w .  ja v a2  s.c  o  m*/
    marker.setLabel(label);
    marker.setLabelPaint(Color.blue);
    marker.setLabelFont(new java.awt.Font("Tahoma", 1, 8));
    marker.setLabelOffset(new RectangleInsets(50, 10, 10, 20));

    return marker;
}

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From source file:net.sourceforge.atunes.utils.StringUtils.java

/**
 * Returns a double value as a string with a given number of decimal digits.
 * //from   w  w w .j  av a 2s  .  com
 * @param value
 *            double value
 * @param numberOfDecimals
 *            number of decimal digits
 * 
 * @return string with a given number of decimal digits
 */
public static String toString(final double value, final int numberOfDecimals) {
    DecimalFormat df = new DecimalFormat("#.#");
    df.setMinimumFractionDigits(numberOfDecimals);
    return df.format(value);
}

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From source file:com.mendhak.gpslogger.common.OpenGTSClient.java

public static String NMEAGPRMCCoord(double coord) {
    // DDDMM.MMMMM?
    int degrees = (int) coord;
    double minutes = (coord - degrees) * 60;

    DecimalFormat df = new DecimalFormat("00.00000", new DecimalFormatSymbols(Locale.US));
    StringBuilder rCoord = new StringBuilder();
    rCoord.append(degrees);//from   w w  w.  ja va  2  s .  co  m
    rCoord.append(df.format(minutes));

    return rCoord.toString();
}

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