Example usage for java.text DecimalFormat DecimalFormat

List of usage examples for java.text DecimalFormat DecimalFormat

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Introduction

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

Prototype

public DecimalFormat(String pattern, DecimalFormatSymbols symbols)

Source Link

Document

Creates a DecimalFormat using the given pattern and symbols.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    DecimalFormat format = new DecimalFormat("##.##", DecimalFormatSymbols.getInstance());

    System.out.println(format.format(-123456789.12345678));

}

From source file:DecimalFormatDemo.java

static public void main(String[] args) {

    customFormat("###,###.###", 123456.789);
    customFormat("###.##", 123456.789);
    customFormat("000000.000", 123.78);
    customFormat("$###,###.###", 12345.67);
    customFormat("\u00a5###,###.###", 12345.67);

    Locale currentLocale = new Locale("en", "US");

    DecimalFormatSymbols unusualSymbols = new DecimalFormatSymbols(currentLocale);
    unusualSymbols.setDecimalSeparator('|');
    unusualSymbols.setGroupingSeparator('^');
    String strange = "#,##0.###";
    DecimalFormat weirdFormatter = new DecimalFormat(strange, unusualSymbols);
    weirdFormatter.setGroupingSize(4);/* w ww  .  j a  v  a2s  .  c o  m*/
    String bizarre = weirdFormatter.format(12345.678);
    System.out.println(bizarre);

    Locale[] locales = { new Locale("en", "US"), new Locale("de", "DE"), new Locale("fr", "FR") };

    for (int i = 0; i < locales.length; i++) {
        localizedFormat("###,###.###", 123456.789, locales[i]);
    }

}

From source file:fr.cs.examples.attitude.EarthObservation.java

/** Program entry point.
 * @param args program arguments (unused here)
 *///from  w  ww .  ja  va  2  s  .co m
public static void main(String[] args) {
    try {

        // configure Orekit
        Autoconfiguration.configureOrekit();
        final SortedSet<String> output = new TreeSet<String>();

        //  Initial state definition : date, orbit
        final AbsoluteDate initialDate = new AbsoluteDate(2004, 01, 01, 23, 30, 00.000,
                TimeScalesFactory.getUTC());
        final Vector3D position = new Vector3D(-6142438.668, 3492467.560, -25767.25680);
        final Vector3D velocity = new Vector3D(505.8479685, 942.7809215, 7435.922231);
        final Orbit initialOrbit = new KeplerianOrbit(new PVCoordinates(position, velocity),
                FramesFactory.getEME2000(), initialDate, Constants.EIGEN5C_EARTH_MU);

        // Attitudes sequence definition
        final AttitudeProvider dayObservationLaw = new LofOffset(initialOrbit.getFrame(), LOFType.VVLH,
                RotationOrder.XYZ, FastMath.toRadians(20), FastMath.toRadians(40), 0);
        final AttitudeProvider nightRestingLaw = new LofOffset(initialOrbit.getFrame(), LOFType.VVLH);
        final PVCoordinatesProvider sun = CelestialBodyFactory.getSun();
        final PVCoordinatesProvider earth = CelestialBodyFactory.getEarth();
        final EventDetector dayNightEvent = new EclipseDetector(sun, 696000000., earth,
                Constants.WGS84_EARTH_EQUATORIAL_RADIUS).withHandler(new ContinueOnEvent<EclipseDetector>());
        final EventDetector nightDayEvent = new EclipseDetector(sun, 696000000., earth,
                Constants.WGS84_EARTH_EQUATORIAL_RADIUS).withHandler(new ContinueOnEvent<EclipseDetector>());

        final AttitudesSequence attitudesSequence = new AttitudesSequence();
        final AttitudesSequence.SwitchHandler switchHandler = new AttitudesSequence.SwitchHandler() {
            public void switchOccurred(AttitudeProvider preceding, AttitudeProvider following,
                    SpacecraftState s) {
                if (preceding == dayObservationLaw) {
                    output.add(s.getDate() + ": switching to night law");
                } else {
                    output.add(s.getDate() + ": switching to day law");
                }
            }
        };
        attitudesSequence.addSwitchingCondition(dayObservationLaw, nightRestingLaw, dayNightEvent, false, true,
                10.0, AngularDerivativesFilter.USE_R, switchHandler);
        attitudesSequence.addSwitchingCondition(nightRestingLaw, dayObservationLaw, nightDayEvent, true, false,
                10.0, AngularDerivativesFilter.USE_R, switchHandler);
        if (dayNightEvent.g(new SpacecraftState(initialOrbit)) >= 0) {
            // initial position is in daytime
            attitudesSequence.resetActiveProvider(dayObservationLaw);
        } else {
            // initial position is in nighttime
            attitudesSequence.resetActiveProvider(nightRestingLaw);
        }

        // Propagator : consider the analytical Eckstein-Hechler model
        final Propagator propagator = new EcksteinHechlerPropagator(initialOrbit, attitudesSequence,
                Constants.EIGEN5C_EARTH_EQUATORIAL_RADIUS, Constants.EIGEN5C_EARTH_MU,
                Constants.EIGEN5C_EARTH_C20, Constants.EIGEN5C_EARTH_C30, Constants.EIGEN5C_EARTH_C40,
                Constants.EIGEN5C_EARTH_C50, Constants.EIGEN5C_EARTH_C60);

        // Register the switching events to the propagator
        attitudesSequence.registerSwitchEvents(propagator);

        propagator.setMasterMode(180.0, new OrekitFixedStepHandler() {
            public void init(final SpacecraftState s0, final AbsoluteDate t) {
            }

            public void handleStep(SpacecraftState currentState, boolean isLast) throws PropagationException {
                try {
                    DecimalFormatSymbols angleDegree = new DecimalFormatSymbols(Locale.US);
                    angleDegree.setDecimalSeparator('\u00b0');
                    DecimalFormat ad = new DecimalFormat(" 00.000;-00.000", angleDegree);
                    // the Earth position in spacecraft frame should be along spacecraft Z axis
                    // during nigthtime and away from it during daytime due to roll and pitch offsets
                    final Vector3D earth = currentState.toTransform().transformPosition(Vector3D.ZERO);
                    final double pointingOffset = Vector3D.angle(earth, Vector3D.PLUS_K);

                    // the g function is the eclipse indicator, its an angle between Sun and Earth limb,
                    // positive when Sun is outside of Earth limb, negative when Sun is hidden by Earth limb
                    final double eclipseAngle = dayNightEvent.g(currentState);

                    output.add(currentState.getDate() + " " + ad.format(FastMath.toDegrees(eclipseAngle)) + " "
                            + ad.format(FastMath.toDegrees(pointingOffset)));
                } catch (OrekitException oe) {
                    throw new PropagationException(oe);
                }
            }
        });

        // Propagate from the initial date for the fixed duration
        SpacecraftState finalState = propagator.propagate(initialDate.shiftedBy(12600.));

        // we print the lines according to lexicographic order, which is chronological order here
        // to make sure out of orders calls between step handler and event handlers don't mess things up
        for (final String line : output) {
            System.out.println(line);
        }

        System.out.println("Propagation ended at " + finalState.getDate());

    } catch (OrekitException oe) {
        System.err.println(oe.getMessage());
    }
}

From source file:com.squarespace.template.plugins.platform.PlatformUtils.java

public static String formatPercentage(double percentage, boolean trim, Locale locale) {
    DecimalFormatSymbols symbols = new DecimalFormatSymbols(locale);
    String pattern = trim ? "#,##0.###" : "#,##0.00#";
    DecimalFormat format = new DecimalFormat(pattern, symbols);
    return format.format(percentage);
}

From source file:dataGen.DataGen.java

/**
 * Creates normal or uniform distributed Test-Data, without correlation.
 * The resulting Data is stored in the resources Folder.
 * @param dimensions//from ww  w  . j  a v a2s  .c om
 *       The dimension count of the resulting Data
 * @param rowCount
 *       How many data tuples should be created?
 * @throws IOException
 *       If Stream to a File couldn't be written/closed 
 */
public static void genData(int dimensions, int rowCount) throws IOException {
    logger.info("Generating uniform random Data with " + rowCount + " Tuples in " + dimensions + " dimensions");
    Writer fw = new FileWriter("src/main/resources/random-" + rowCount + "-" + dimensions + ".dat");
    Random gen = new Random();

    for (int i = 1; i <= rowCount; i++) {
        // Each Row should start with the Row count
        String row = i + " ";
        // Files should be created OS/Language independent
        DecimalFormatSymbols dfs = DecimalFormatSymbols.getInstance();
        dfs.setDecimalSeparator('.');
        NumberFormat nf = new DecimalFormat("0.000000000", dfs);

        for (int j = 0; j < dimensions; j++) {
            Float n = gen.nextFloat();
            row = row + nf.format(n) + " ";
        }
        fw.write(row);
        fw.append(System.getProperty("line.separator"));
    }
    fw.close();
    logger.info(rowCount + " entries generated");
}

From source file:de.perdian.commons.lang.conversion.impl.converters.AbstractNumberFormatConverter.java

@Override
protected NumberFormat resolveDefaultFormat(Locale locale) {
    return Optional.ofNullable(this.getPattern())
            .<NumberFormat>map(pattern -> new DecimalFormat(pattern, new DecimalFormatSymbols(locale)))
            .orElseGet(NumberFormat::getInstance);
}

From source file:com.aw.core.format.NullDecimalFormat.java

/**
 * Constructor//from  www.j  a v a2  s  . c  o  m
 *
 * @param pattern
 */
public NullDecimalFormat(String pattern) {
    DecimalFormatSymbols symbols = new DecimalFormatSymbols();
    symbols.setDecimalSeparator('.');
    symbols.setGroupingSeparator(',');
    decimalFormat = new DecimalFormat(pattern, symbols);
}

From source file:ai.grakn.graql.internal.util.StringConverter.java

/**
 * @param value a value in the graph/*from  w  w  w.ja v a  2 s .  co m*/
 * @return the string representation of the value (using quotes if it is already a string)
 */
public static String valueToString(Object value) {
    if (value instanceof String) {
        return quoteString((String) value);
    } else if (value instanceof Double) {
        DecimalFormat df = new DecimalFormat("#", DecimalFormatSymbols.getInstance(Locale.ENGLISH));
        df.setMinimumFractionDigits(1);
        df.setMaximumFractionDigits(12);
        df.setMinimumIntegerDigits(1);
        return df.format(value);
    } else {
        return value.toString();
    }
}

From source file:com.haulmont.chile.core.datatypes.impl.DoubleDatatype.java

@Override
public String format(Object value, Locale locale) {
    if (value == null) {
        return "";
    }// www  .jav a  2 s.co m

    FormatStrings formatStrings = AppBeans.get(FormatStringsRegistry.class).getFormatStrings(locale);
    if (formatStrings == null) {
        return format(value);
    }

    DecimalFormatSymbols formatSymbols = formatStrings.getFormatSymbols();
    NumberFormat format = new DecimalFormat(formatStrings.getDoubleFormat(), formatSymbols);
    return format.format(value);
}

From source file:com.haulmont.chile.core.datatypes.impl.IntegerDatatype.java

@Override
public String format(Object value, Locale locale) {
    if (value == null)
        return "";

    FormatStrings formatStrings = AppBeans.get(FormatStringsRegistry.class).getFormatStrings(locale);
    if (formatStrings == null)
        return format(value);

    DecimalFormatSymbols formatSymbols = formatStrings.getFormatSymbols();
    NumberFormat format = new DecimalFormat(formatStrings.getIntegerFormat(), formatSymbols);
    return format.format(value);
}