Example usage for java.lang Long toBinaryString

Introduction

In this page you can find the example usage for java.lang Long toBinaryString.

Prototype

public static String toBinaryString(long i)

Source Link

Document

Returns a string representation of the long argument as an unsigned integer in base 2.

Usage

From source file:com.gigabytedevelopersinc.app.calculator.Calculator.java

private String newBase(String originalNumber, int originalBase, int base) throws SyntaxException {
    String[] split = originalNumber.split("\\.");
    if (split.length == 0) {
        split = new String[1];
        split[0] = "0";
    }//from w  w  w  .java 2  s  .c om
    if (split[0].isEmpty()) {
        split[0] = "0";
    }
    if (originalBase != 10) {
        split[0] = Long.toString(Long.parseLong(split[0], originalBase));
    }

    String wholeNumber = "";
    switch (base) {
    case 2:
        wholeNumber = Long.toBinaryString(Long.parseLong(split[0]));
        break;
    case 8:
        wholeNumber = Long.toOctalString(Long.parseLong(split[0]));
        break;
    case 10:
        wholeNumber = split[0];
        break;
    case 16:
        wholeNumber = Long.toHexString(Long.parseLong(split[0]));
        break;
    }
    if (split.length == 1)
        return wholeNumber.toUpperCase(Locale.US);

    // Catch overflow (it's a decimal, it can be (slightly) rounded
    if (split[1].length() > 13) {
        split[1] = split[1].substring(0, 13);
    }

    Solver solver = new Solver();
    double decimal = 0;
    if (originalBase != 10) {
        String decimalFraction = Long.toString(Long.parseLong(split[1], originalBase)) + "/" + originalBase
                + "^" + split[1].length();
        decimal = solver.eval(decimalFraction);
    } else {
        decimal = Double.parseDouble("0." + split[1]);
    }
    if (decimal == 0)
        return wholeNumber.toUpperCase(Locale.US);

    String decimalNumber = "";
    for (int i = 0; decimal != 0 && i <= 8; i++) {
        decimal *= base;
        int id = (int) Math.floor(decimal);
        decimal -= id;
        decimalNumber += Integer.toHexString(id);
    }
    return (wholeNumber + "." + decimalNumber).toUpperCase(Locale.US);
}

From source file:com.ah.ui.actions.config.ImportCsvFileAction.java

/**
 * Check the netmask format//from ww w.  ja  v  a  2 s .  c  o m
 *
 * @param arg_Netmask -
 * @return boolean - true:the netmask is wrong;false:the netmask is right.
 */
public static boolean getNetmaskWrongFlag(String arg_Netmask) {
    if (!getIpAddressWrongFlag(arg_Netmask)) {
        long long_Net = AhEncoder.ip2Long(arg_Netmask);
        String binaryString = Long.toBinaryString(long_Net);

        return binaryString.length() != 32
                || (binaryString.contains("0") && binaryString.indexOf("0") < binaryString.lastIndexOf("1"));
    } else {
        return true;
    }
}