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:com.mycompany.mavenproject1.robertclasses.CheckFormat.java

public static boolean isBigDecimal(String str) {
    try {/*w w  w . j  a va2s.c  o  m*/
        BigDecimal bigdecimal = new BigDecimal(str);
        return true;
    } catch (Exception e) {
        return false;
    }
}

From source file:Main.java

public static float formatFloat(float floatValue, int newScale) {
    BigDecimal b = new BigDecimal(floatValue);
    return b.setScale(newScale, BigDecimal.ROUND_HALF_UP).floatValue();
}

From source file:Main.java

public static BigDecimal getRank(long date) {
    String time = (date / 1000) + ".00";
    return new BigDecimal(time).negate();
}

From source file:Main.java

public static String IndianFormat(BigDecimal n) {
    DecimalFormat formatter = new DecimalFormat("#,###.00");
    //we never reach double digit grouping so return
    if (n.doubleValue() < 100000) {
        return formatter.format(n.setScale(2, 1).doubleValue());
    }/*from   w  ww .ja va 2s .  com*/
    StringBuffer returnValue = new StringBuffer();
    //Spliting integer part and decimal part
    String value = n.setScale(2, 1).toString();
    String intpart = value.substring(0, value.indexOf("."));
    String decimalpart = value.substring(value.indexOf("."), value.length());
    //switch to double digit grouping
    formatter.applyPattern("#,##");
    returnValue.append(formatter.format(new BigDecimal(intpart).doubleValue() / 1000)).append(",");
    //appending last 3 digits and decimal part
    returnValue.append(intpart.substring(intpart.length() - 3, intpart.length())).append(decimalpart);
    //returning complete string
    if (returnValue.toString().equals(".00")) {
        return "0.00";
    }

    return returnValue.toString();

}

From source file:Main.java

public static BigDecimal parseBalance(String balance) {
    if (balance == null) {
        return new BigDecimal(0);
    }//from  w  w  w  .  j  a v  a2s  .c  om
    balance = balance.replaceAll("[^0-9,.-]*", "");
    balance = balance.replace(",", ".");
    if (balance.indexOf(".") != balance.lastIndexOf(".")) {
        String b = balance.substring(balance.lastIndexOf("."));
        balance = balance.substring(0, balance.lastIndexOf("."));
        balance = balance.replace(".", "");
        balance = balance + b;
    }
    BigDecimal ret;
    try {
        ret = new BigDecimal(balance);
    } catch (NumberFormatException e) {
        Log.e("parseBalance", "Unable to parse: " + balance);
        ret = new BigDecimal(0);
    }
    return ret;
}

From source file:Main.java

public static double round(double d, int decimalPlace) {
    try {//from  ww  w  . j av a 2s .  c  om
        BigDecimal bd = new BigDecimal(Double.toString(d));
        bd = bd.setScale(decimalPlace, BigDecimal.ROUND_HALF_UP);
        return bd.doubleValue();
    } catch (NumberFormatException e) {
        //on NaN or +/- infinity return the value
        return d;
    }
}

From source file:Main.java

public static String fileSize2String(long size, int scale) {
    float result;
    String unit;/*from w w  w. jav a  2s  .c  o  m*/
    if (size <= 0) {
        result = 0;
        unit = "B";
    } else if (size < KB) {
        result = size;
        unit = "B";
    } else if (size < MB) {
        result = size / KB;
        unit = "KB";
    } else if (size < GB) {
        result = size / MB;
        unit = "MB";
    } else {
        result = size / GB;
        unit = "GB";
    }
    BigDecimal bg = new BigDecimal(result);
    float f1 = bg.setScale(scale, BigDecimal.ROUND_HALF_UP).floatValue();
    return f1 + unit;
}

From source file:Main.java

/**
 * Checks whether the given string can be converted to a decimal.
 * //from   w w w. j a  v  a 2s . co m
 * @param s the string to check
 * @return true, iff the sting can be converted to a decimal
 */
private static boolean isDecimal(String s) {
    try {
        new BigDecimal(s);
        return true;
    } catch (NumberFormatException nfe) {
        return false;
    }
}

From source file:Main.java

static BigDecimal bigDecimalElement(Element row, String name) {
    return new BigDecimal(stringElement(row, name));
}

From source file:Main.java

public static long toSatoshi(String amount) {
    return new BigDecimal(amount).movePointRight(8).toBigIntegerExact().longValue();
}