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()

Source Link

Document

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

Usage

From source file:Main.java

public static String converSizeToString(long size) {
    String ext[] = { "B", "KB", "MB", "G", "T", "P" };
    int i = 0;/* ww w .  j  a va 2 s  .  c  o  m*/
    long duration = size;
    while (duration >= 1024) {
        System.out.println("duration=" + duration + "  i=" + i);
        duration = duration >> 10;
        i++;
        System.out.println("duration=" + duration + "  i=" + i);
    }
    double d = Math.pow(2, 10 * (i));
    java.text.DecimalFormat df = new DecimalFormat();
    df.setMaximumFractionDigits(2);
    df.setMinimumFractionDigits(2);
    return df.format(size / d) + ext[i];
}

From source file:com.ar.dev.tierra.api.dao.impl.FiscalDAOImpl.java

@Override
public void ticket(List<DetalleFactura> detalles) {
    try (PrintWriter ticket = new PrintWriter("command/ticket.200")) {
        DecimalFormat decimalFormat = new DecimalFormat();
        decimalFormat.setMaximumFractionDigits(1);
        ticket.println("@" + (char) 28 + "T" + (char) 28 + "T");
        BigDecimal descuento = new BigDecimal(BigInteger.ZERO);
        for (DetalleFactura detalle : detalles) {
            if (detalle.getDescuentoDetalle() != null) {
                descuento = descuento.add(detalle.getDescuentoDetalle());
            }//  ww  w  . j a v a 2s  .  co m
            String price = null;
            BigDecimal sinIVA = detalle.getProducto().getPrecioVenta().subtract(detalle.getProducto()
                    .getPrecioVenta().multiply(new BigDecimal(17.35)).divide(new BigDecimal(100)));
            price = sinIVA.setScale(4, RoundingMode.HALF_UP).toString();
            ticket.println("B" + (char) 28 /*Abrimos linea*/
                    + detalle.getProducto().getDescripcion() + (char) 28 /*Nombre producto*/
                    + detalle.getCantidadDetalle() + ".0" + (char) 28 /*Cantidad*/
                    + price.replace(",", ".") + (char) 28 /*Precio unitario*/
                    + "21.0" + (char) 28 /*Impuestos IVA*/
                    + "M" + (char) 28 /*Suma monto*/
                    + "0.0" + (char) 28 /*Impuestos internos*/
                    + "0" + (char) 28 /*Parametro display*/
                    + "b");
            /*Cierra de linea*/
        }
        if (!descuento.equals(new BigDecimal(BigInteger.ZERO))) {
            ticket.println("T" + (char) 28 /*Abrimos linea descuento*/
                    + "Descuento: " + (char) 28 /*Texto a mostrar*/
                    + descuento + (char) 28 /*Monto descuento*/
                    + "m" + (char) 28 /*m: descuento, M: aumento*/
                    + "0" + (char) 28 /*parametro display*/
                    + "T");
            /*cierre linea descuento*/
        }
        ticket.println("E");
    } catch (FileNotFoundException ex) {
        Logger.getLogger(FiscalDAOImpl.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:com.streamreduce.util.MessageUtils.java

public static String roundAndTruncate(double rawValue, int precision) {
    DecimalFormat df = new DecimalFormat();

    df.setMaximumFractionDigits(precision);
    df.setMinimumFractionDigits(precision);
    df.setMinimumIntegerDigits(1);/* w  w w .  j  ava2 s. c o  m*/

    return df.format(rawValue);
}

From source file:com.redhat.rhn.common.filediff.RhnHtmlDiffWriter.java

/**
 * @param lines The number of lines in the longest file.
 *              Used to find out how many digits a line number should be.
 *              Ex: if lines is 12,  line one should be shown as 01, but
 *                  if lines is 100, line one should be shown as 001.
 *//*  w  ww .j a v  a 2  s  .c o m*/
public RhnHtmlDiffWriter(int lines) {
    onlyChanged = false;
    oldfile = new StringBuffer();
    newfile = new StringBuffer();
    formatter = new DecimalFormat();
    formatter.setMaximumFractionDigits(0);
    formatter.setMinimumIntegerDigits(Integer.toString(lines).length());
}

From source file:be.ac.ua.comp.scarletnebula.gui.BareGraph.java

/**
 * Constructor.//ww w.j  a  v  a2s .c o  m
 * 
 * @param maximumAge
 *            The age after which data is no longer displayed in the graph
 */
public BareGraph(final long maximumAge) {
    super(maximumAge);
    domain.setVisible(false);
    domain.setAutoRange(true);
    domain.setLowerMargin(0.0);
    domain.setUpperMargin(0.0);
    domain.setTickLabelsVisible(true);
    final int secondsBetweenTicks = 30;
    domain.setTickUnit(new DateTickUnit(DateTickUnitType.SECOND, secondsBetweenTicks));

    range.setTickUnit(new NumberTickUnit(0.2, new DecimalFormat(), 5));
    range.setRange(0, 1);
    range.setVisible(false);
}

From source file:com.ancientprogramming.fixedformat4j.format.impl.AbstractDecimalFormatter.java

public String asString(T obj, FormatInstructions instructions) {
    BigDecimal roundedValue = null;
    int decimals = instructions.getFixedFormatDecimalData().getDecimals();
    if (obj != null) {
        BigDecimal value = obj instanceof BigDecimal ? (BigDecimal) obj : BigDecimal.valueOf(obj.doubleValue());

        RoundingMode roundingMode = instructions.getFixedFormatDecimalData().getRoundingMode();

        roundedValue = value.setScale(decimals, roundingMode);

        if (LOG.isDebugEnabled()) {
            LOG.debug("Value before rounding = '" + value + "', value after rounding = '" + roundedValue
                    + "', decimals = " + decimals + ", rounding mode = " + roundingMode);
        }/*w w  w .ja v a 2  s . co  m*/
    }

    DecimalFormat formatter = new DecimalFormat();
    formatter.setDecimalSeparatorAlwaysShown(true);
    formatter.setMaximumFractionDigits(decimals);

    char decimalSeparator = formatter.getDecimalFormatSymbols().getDecimalSeparator();
    char groupingSeparator = formatter.getDecimalFormatSymbols().getGroupingSeparator();
    String zeroString = "0" + decimalSeparator + "0";

    String rawString = roundedValue != null ? formatter.format(roundedValue) : zeroString;
    if (LOG.isDebugEnabled()) {
        LOG.debug("rawString: " + rawString + " - G[" + groupingSeparator + "] D[" + decimalSeparator + "]");
    }
    rawString = rawString.replaceAll("\\" + groupingSeparator, "");
    boolean useDecimalDelimiter = instructions.getFixedFormatDecimalData().isUseDecimalDelimiter();

    String beforeDelimiter = rawString.substring(0, rawString.indexOf(decimalSeparator));
    String afterDelimiter = rawString.substring(rawString.indexOf(decimalSeparator) + 1, rawString.length());
    if (LOG.isDebugEnabled()) {
        LOG.debug("beforeDelimiter[" + beforeDelimiter + "], afterDelimiter[" + afterDelimiter + "]");
    }

    //trim decimals
    afterDelimiter = StringUtils.substring(afterDelimiter, 0, decimals);
    afterDelimiter = StringUtils.rightPad(afterDelimiter, decimals, '0');

    String delimiter = useDecimalDelimiter ? "" + instructions.getFixedFormatDecimalData().getDecimalDelimiter()
            : "";
    String result = beforeDelimiter + delimiter + afterDelimiter;
    if (LOG.isDebugEnabled()) {
        LOG.debug("result[" + result + "]");
    }
    return result;
}

From source file:net.sourceforge.processdash.ui.web.reports.AreaChart.java

/** Create a line chart. */
public JFreeChart createChart() {
    JFreeChart chart;/*from   w w  w  .  j av a2s  . co m*/
    CategoryDataset catData = data.catDataSource();

    Object stacked = parameters.get("stacked");
    if (stacked != null) {
        chart = ChartFactory.createStackedAreaChart(null, null, null, catData, PlotOrientation.VERTICAL, true,
                true, false);
        if ("pct".equals(stacked)) {
            ((StackedAreaRenderer) chart.getCategoryPlot().getRenderer()).setRenderAsPercentages(true);
            DecimalFormat fmt = new DecimalFormat();
            fmt.setMultiplier(100);
            ((NumberAxis) chart.getCategoryPlot().getRangeAxis()).setNumberFormatOverride(fmt);
            if (parameters.get("units") == null)
                parameters.put("units", "%");
        }

    } else {
        chart = ChartFactory.createAreaChart(null, null, null, catData, PlotOrientation.VERTICAL, true, true,
                false);
    }

    setupCategoryChart(chart);

    Object colorScheme = parameters.get("colorScheme");
    if ("consistent".equals(colorScheme))
        configureConsistentColors(chart.getCategoryPlot(), catData);
    else if (parameters.containsKey("c1"))
        configureIndividualColors(chart.getCategoryPlot(), catData);

    return chart;
}

From source file:be.ac.ua.comp.scarletnebula.gui.DecoratedGraph.java

/**
 * Constructor//from ww w .ja va 2 s .co  m
 * 
 * @param maximumAge
 *            The age after which data is no longer displayed in the graph
 */
public DecoratedGraph(final long maximumAge, final Datastream stream) {
    super(maximumAge);
    this.stream = stream;
    domain.setVisible(false);
    domain.setAutoRange(true);
    domain.setLowerMargin(0.0);
    domain.setUpperMargin(0.0);
    domain.setTickLabelsVisible(true);
    domain.setTickUnit(new DateTickUnit(DateTickUnitType.SECOND, 30));

    range.setTickUnit(new NumberTickUnit(0.2, new DecimalFormat(), 5));
    range.setAutoRange(true);
    range.setVisible(true);

}

From source file:com.imagelake.android.purchasemanagement.Servlet_purchaseVisePackages.java

protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    PrintWriter out = response.getWriter();
    try {/* w ww .  j  a va2 s. c o m*/

        String type = request.getParameter("type");

        String sql = "SELECT SQL_CALC_FOUND_ROWS user_has_packages.purchase_date,user_has_packages.expire_date,user_has_packages.user_id,user_has_packages.state,admin_package_income.total"
                + " FROM user_has_packages,admin_package_income WHERE user_has_packages.uhp_id=admin_package_income.uhp_id ";
        if (type != null && !type.equals("")) {
            if (type.equals("all")) {

                sql += "ORDER BY user_has_packages.purchase_date DESC ";
                ja = new JSONArray();
                System.out.println("sql=" + sql);
                PreparedStatement ps = DBFactory.getConnection().prepareStatement(sql);
                ResultSet rs = ps.executeQuery();
                if (rs.next()) {
                    rs.close();
                    rs = ps.executeQuery();
                    while (rs.next()) {
                        JSONObject jo = new JSONObject();
                        DecimalFormat df = new DecimalFormat();
                        jo.put("pur_date", rs.getString(1));
                        jo.put("exp_date", rs.getString(2));
                        jo.put("un", udi.getUn(rs.getInt(3)));
                        if (rs.getInt(4) == 1) {
                            jo.put("state", 1);
                        } else if (rs.getInt(4) == 2) {
                            jo.put("state", 2);
                        }
                        jo.put("income", df.format(rs.getDouble(5)));
                        ja.add(jo);

                    }
                    System.out.println(ja.toJSONString());
                    out.write("json=" + ja.toJSONString());
                } else {
                    out.write("msg=No item found.");
                }

            } else if (type.equals("sort")) {
                ja = new JSONArray();
                String from = request.getParameter("date");
                String to = request.getParameter("date2");
                String cat = request.getParameter("cat");
                String buy = request.getParameter("buy");

                System.out.println("date_pur:" + from);
                System.out.println("date_exp:" + to);
                System.out.println("cat:" + cat);
                System.out.println("buy:" + buy);

                if (cat.equals("0")) {
                    cat = "";
                }

                if (from != null && !from.trim().equals("") && to != null && !to.trim().equals("")) {
                    String[] dt = from.split("-");
                    String[] dt2 = to.split("-");
                    String orDate = dt[2] + "-" + dt[1] + "-" + dt[0];
                    String orDate2 = dt2[2] + "-" + dt2[1] + "-" + dt2[0];
                    System.out.println("date=" + orDate);

                    sql += " AND user_has_packages.purchase_date BETWEEN '" + orDate + "' AND '" + orDate2
                            + "' ";

                }
                if (cat != null && !cat.trim().equals("")) {
                    sql += " AND user_has_packages.package_type='" + cat + "' ";
                }
                if (buy != null && !buy.trim().equals("")) {
                    sql += " AND user_has_packages.user_id='" + buy + "' ";
                }

                sql += "ORDER BY user_has_packages.purchase_date DESC ";

                System.out.println("sql: " + sql);

                PreparedStatement ps = DBFactory.getConnection().prepareStatement(sql);
                ResultSet rs = ps.executeQuery();
                DecimalFormat df = new DecimalFormat();
                if (rs.next()) {
                    rs.close();
                    rs = ps.executeQuery();
                    while (rs.next()) {
                        JSONObject jo = new JSONObject();

                        jo.put("pur_date", rs.getString(1));
                        jo.put("exp_date", rs.getString(2));
                        jo.put("un", udi.getUn(rs.getInt(3)));
                        if (rs.getInt(4) == 1) {
                            jo.put("state", 1);
                        } else if (rs.getInt(4) == 2) {
                            jo.put("state", 2);
                        }
                        jo.put("income", df.format(rs.getDouble(5)));
                        ja.add(jo);
                    }
                    System.out.println(ja.toJSONString());
                    out.write("json=" + ja.toJSONString());
                } else {
                    out.write("msg=No item found.");
                }

            }
        } else {
            out.write("msg=Internal server error,Please try again later.");
        }
    } catch (Exception e) {
        e.printStackTrace();
        out.write("msg=Internal server error,Please try again later.");
    }

}

From source file:com.aliyun.odps.ship.common.RecordConverter.java

public RecordConverter(TableSchema schema, String nullTag, String dateFormat, String tz, String charset)
        throws UnsupportedEncodingException {

    this.schema = schema;
    this.nullTag = nullTag;

    if (dateFormat == null) {
        this.dateFormatter = new SimpleDateFormat(Constants.DEFAULT_DATE_FORMAT_PATTERN);
    } else {//ww  w .ja  v a 2  s. com
        dateFormatter = new SimpleDateFormat(dateFormat);
    }
    dateFormatter.setLenient(false);
    if (tz != null) {
        TimeZone t = TimeZone.getTimeZone(tz);
        if (!tz.equalsIgnoreCase("GMT") && t.getID().equals("GMT")) {
            System.err.println(
                    Constants.WARNING_INDICATOR + "possible invalid time zone: " + tz + ", fall back to GMT");
        }
        dateFormatter.setTimeZone(t);
    }

    doubleFormat = new DecimalFormat();
    doubleFormat.setMinimumFractionDigits(0);
    doubleFormat.setMaximumFractionDigits(20);

    setCharset(charset);
    r = new ArrayRecord(schema.getColumns().toArray(new Column[0]));
    nullBytes = nullTag.getBytes(defaultCharset);
}