Example usage for java.math BigDecimal BigDecimal

Introduction

In this page you can find the example usage for java.math BigDecimal BigDecimal.

Prototype

public BigDecimal(long val)

Source Link

Document

Translates a long into a BigDecimal .

Usage

From source file:Main.java

/**
 * Adopted from http://jgnash.svn.sourceforge.net/viewvc/jgnash/jgnash2/trunk/src/jgnash/imports/qif/QifUtils.java
 *//*w  ww . j  a  va2s  .c om*/
public static long parseMoney(String money) {
    String sMoney = money;

    if (sMoney != null) {
        BigDecimal bdMoney;
        sMoney = sMoney.trim(); // to be safe
        try {
            bdMoney = new BigDecimal(sMoney);
            return moneyAsLong(bdMoney);
        } catch (NumberFormatException e) {
            /* there must be commas, etc in the number.  Need to look for them
             * and remove them first, and then try BigDecimal again.  If that
             * fails, then give up and use NumberFormat and scale it down
             * */
            String[] split = MONEY_PREFIX_PATTERN.split(sMoney);
            if (split.length > 2) {
                StringBuilder buf = new StringBuilder();
                if (sMoney.startsWith("-")) {
                    buf.append('-');
                }
                for (int i = 0; i < split.length - 1; i++) {
                    buf.append(split[i]);
                }
                buf.append('.');
                buf.append(split[split.length - 1]);
                try {
                    bdMoney = new BigDecimal(buf.toString());
                    return moneyAsLong(bdMoney);
                } catch (final NumberFormatException e2) {
                    Log.e("QifUtils", "Second parse attempt failed, falling back to rounding");
                }
            }
            NumberFormat formatter = NumberFormat.getNumberInstance();
            try {
                Number num = formatter.parse(sMoney);
                BigDecimal bd = new BigDecimal(num.floatValue());
                if (bd.scale() > 6) {
                    bd = bd.setScale(2, BigDecimal.ROUND_HALF_UP);
                }
                return moneyAsLong(bd);
            } catch (ParseException ignored) {
            }
            Log.e("QifUtils", "Could not parse money " + sMoney);
        }
    }
    return 0;
}

From source file:Main.java

/**
 * Parses the supplied decimal/floating point string and returns its value.
 * /*  ww w  .j a  v a 2 s .  c om*/
 * @param s
 *        A string representation of an xsd:decimal or xsd:double value.
 * @return The decimal/floating point value represented by the supplied string argument.
 * @throws NumberFormatException
 *         If the supplied string is not a valid xsd:decimal or xsd:double value.
 */
public static BigDecimal parseDecimal(String s) {
    // Note: BigDecimal can handle leading plus signs itself
    return new BigDecimal(s);
}

From source file:Main.java

/**
 * Write a {@link BigDecimal} value into XML output
 * with a valid latitude range.//  w w w .  j  a  v a  2  s  .  c om
 *
 * @param value
 * value to write
 *
 * @return
 * XML string
 *
 * @throws IllegalArgumentException
 * if a validation error occured
 */
public static String printLatitude(BigDecimal value) {
    return printDecimal(value, new BigDecimal("-90"), new BigDecimal("90"), 10, false);
}

From source file:Main.java

/**
 * Write a {@link BigDecimal} value into XML output
 * with a valid longitude range./*from   www . j  a  va 2  s  .  c  o m*/
 *
 * @param value
 * value to write
 *
 * @return
 * XML string
 *
 * @throws IllegalArgumentException
 * if a validation error occured
 */
public static String printLongitude(BigDecimal value) {
    return printDecimal(value, new BigDecimal("-180"), new BigDecimal("180"), 10, false);
}

From source file:Main.java

public static double add(double value1, double value2) {
    BigDecimal b1 = new BigDecimal(value1);
    BigDecimal b2 = new BigDecimal(value2);
    return b1.add(b2).doubleValue();
}

From source file:Main.java

public static double mul(double value1, double value2) {
    BigDecimal b1 = new BigDecimal(value1);
    BigDecimal b2 = new BigDecimal(value2);
    return b1.multiply(b2).doubleValue();
}

From source file:Main.java

public static double sub(double value1, double value2) {
    BigDecimal b1 = new BigDecimal(value1);
    BigDecimal b2 = new BigDecimal(value2);
    return b1.subtract(b2).doubleValue();
}

From source file:Main.java

public static String formatAmountConversionRate(double convRate) {
    if (convRate == 0)
        return null;
    BigDecimal cr = new BigDecimal(convRate);
    int x = 7 - cr.precision() + cr.scale();
    String bds = cr.movePointRight(cr.scale()).toString();
    if (x > 9)
        bds = zeropad(bds, bds.length() + x - 9);
    String ret = zeropadRight(bds, 7);
    return Math.min(9, x) + takeFirstN(ret, 7);
}

From source file:Main.java

/**
 * Write a {@link BigDecimal} value into XML output,
 * that matches the 'NumberOfRoomsType' simple type.
 *
 * @param value//  www .  j  a v a  2  s . c  o m
 * value to write
 *
 * @return
 * XML string
 *
 * @throws IllegalArgumentException
 * if a validation error occured
 */
public static String printRoomNr(BigDecimal value) {
    return printDecimal(value, new BigDecimal("0.49"), BigDecimal.TEN.pow(4), 2, false);
}

From source file:be.error.rpi.ebus.Support.java

public static String addTemperatureToCommand(String command, BigDecimal temperature, int offset) {
    String converted = encodeDATA2c(temperature.add(new BigDecimal(offset)));
    return format(command, substring(converted, 2, 4), substring(converted, 0, 2));
}