Example usage for java.text DecimalFormat DecimalFormat

Introduction

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

Prototype

public DecimalFormat(String pattern)

Source Link

Document

Creates a DecimalFormat using the given pattern and the symbols for the default java.util.Locale.Category#FORMAT FORMAT locale.

Usage

From source file:com.ikon.util.FormatUtil.java

/**
 * Format the document size for human readers
 *///from   ww  w  . j  a va 2s  . co  m
public static String formatSize(long size) {
    DecimalFormat df = new DecimalFormat("#0.0");
    String str;

    if (size / 1024 < 1) {
        str = size + " B";
    } else if (size / 1048576 < 1) {
        str = df.format(size / 1024.0) + " KB";
    } else if (size / 1073741824 < 1) {
        str = df.format(size / 1048576.0) + " MB";
    } else if (size / 1099511627776L < 1) {
        str = df.format(size / 1073741824.0) + " GB";
    } else if (size / 1125899906842624L < 1) {
        str = df.format(size / 1099511627776.0) + " TB";
    } else {
        str = "BIG";
    }

    return str;
}

From source file:com.alibaba.otter.manager.web.common.NumberFormatUtil.java

public static String format(Integer data) {
    if (data == null) {
        return null;
    }//w ww  .j ava2s .  co  m
    DecimalFormat format = new DecimalFormat(PATTERN);
    return format.format(data);
}

From source file:net.jofm.format.NumberFormat.java

@Override
protected String doFormat(Object value) {
    if (StringUtils.isNotEmpty(format)) {
        DecimalFormat formatter = new DecimalFormat(format);
        return formatter.format(value);
    } else {//  www . java  2  s  .  c  o  m
        return value.toString();
    }
}

From source file:org.jfree.chart.demo.XYBarChartDemo5.java

private static JFreeChart createChart(IntervalXYDataset intervalxydataset) {
    JFreeChart jfreechart = ChartFactory.createXYBarChart("US Budget Deficit", "Year", true, "$ Billion",
            intervalxydataset, PlotOrientation.VERTICAL, false, false, false);
    TextTitle texttitle = new TextTitle("Source: http://www.cbo.gov/showdoc.cfm?index=1821&sequence=0#table12");
    texttitle.setFont(new Font("Dialog", 0, 8));
    texttitle.setPosition(RectangleEdge.BOTTOM);
    texttitle.setHorizontalAlignment(HorizontalAlignment.RIGHT);
    jfreechart.addSubtitle(texttitle);/*from   w w w  .j a  v a  2 s.  c om*/
    jfreechart.setBackgroundPaint(Color.white);
    XYPlot xyplot = (XYPlot) jfreechart.getPlot();
    XYItemRenderer xyitemrenderer = xyplot.getRenderer();
    StandardXYToolTipGenerator standardxytooltipgenerator = new StandardXYToolTipGenerator("{1} = {2}",
            new SimpleDateFormat("yyyy"), new DecimalFormat("0"));
    xyitemrenderer.setBaseToolTipGenerator(standardxytooltipgenerator);
    xyplot.setBackgroundPaint(Color.lightGray);
    xyplot.setRangeGridlinePaint(Color.white);
    DateAxis dateaxis = (DateAxis) xyplot.getDomainAxis();
    dateaxis.setTickMarkPosition(DateTickMarkPosition.MIDDLE);
    dateaxis.setLowerMargin(0.01D);
    dateaxis.setUpperMargin(0.01D);
    return jfreechart;
}

From source file:systeminformation.Chart.java

public JFreeChart create3DPieChart(PieDataset dataset) {
    JFreeChart chart = ChartFactory.createPieChart3D("", dataset, true, true, true);
    PiePlot3D p = (PiePlot3D) chart.getPlot();

    PieSectionLabelGenerator gen = new StandardPieSectionLabelGenerator("{0}: {1} ({2})",
            new DecimalFormat("0"), new DecimalFormat("0%"));
    p.setLabelGenerator(gen);//from   w  w w .  ja va2s .  co m
    //        p.setSimpleLabels(true);
    p.setForegroundAlpha(0.5f);
    p.setBackgroundAlpha(0.2f);
    chart.setBackgroundPaint(Color.white);
    chart.setAntiAlias(true);
    chart.setBorderVisible(true);

    return chart;
}

From source file:dr.PlotToolTipGenerator.java

private String generateToolTip(PCADataset dataset, int item) {

    NumberFormat formatter = new DecimalFormat("#.##");
    return "(" + formatter.format(dataset.getX(1, item)) + ", " + formatter.format(dataset.getY(1, item)) + ")";
}

From source file:MemoryUtils.java

public static StringBuffer getMemoryInfo() {
    StringBuffer buffer = new StringBuffer();

    freeMemory();//from ww  w.jav a2  s.  co  m

    Runtime runtime = Runtime.getRuntime();
    double usedMemory = usedMemory(runtime);
    double maxMemory = maxMemory(runtime);

    NumberFormat f = new DecimalFormat("###,##0.0");

    String lineSeparator = System.getProperty("line.separator");
    buffer.append("Used memory: " + f.format(usedMemory) + "MB").append(lineSeparator);
    buffer.append("Max available memory: " + f.format(maxMemory) + "MB").append(lineSeparator);
    return buffer;
}

From source file:net.sf.jsfcomp.chartcreator.utils.ChartAxisUtils.java

public static ValueAxis createNumberAxis(JFreeChart chart, ChartAxisData chartAxisData) {
    NumberAxis numberAxis = new NumberAxis(chartAxisData.getLabel());
    if (chartAxisData.getFormat() != null)
        numberAxis.setNumberFormatOverride(new DecimalFormat(chartAxisData.getFormat()));

    return numberAxis;
}

From source file:GeMSE.GS.Analysis.Stats.TwoSampleCovariancePanel.java

public TwoSampleCovariancePanel() {
    initComponents();//from   ww  w.  ja  va  2s  .  c  o  m

    _decFor = new DecimalFormat("#.#########");
    _decFor.setRoundingMode(RoundingMode.CEILING);
    DecimalFormatSymbols decFors = _decFor.getDecimalFormatSymbols();
    decFors.setNaN("NaN");
    decFors.setInfinity("");
    _decFor.setDecimalFormatSymbols(decFors);

    _biasCorrected = false;
    BiasCorrectedCB.setSelected(_biasCorrected);
}

From source file:GeMSE.GS.Analysis.Stats.TwoSamplePearsonsCorrelationPanel.java

public TwoSamplePearsonsCorrelationPanel() {
    initComponents();/*from w w  w . j  a  v a 2  s .co  m*/

    _decFor = new DecimalFormat("#.#########");
    _decFor.setRoundingMode(RoundingMode.CEILING);
    DecimalFormatSymbols decFors = _decFor.getDecimalFormatSymbols();
    decFors.setNaN("NaN");
    decFors.setInfinity("");
    _decFor.setDecimalFormatSymbols(decFors);
}