Example usage for java.lang Integer toBinaryString

Introduction

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

Prototype

public static String toBinaryString(int i)

Source Link

Document

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

Usage

From source file:Main.java

public static String bytesToBits(byte[] b) {
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < b.length; i++) {
        String bits = Integer.toBinaryString(b[i] & 0xFF);
        while (bits.length() < 8) {
            bits = "0" + bits;
        }/*  w w  w. j  av  a  2  s .c  om*/
        if (i > 0) {
            sb.append(" ");
        }
        sb.append(bits);
    }
    return sb.toString();
}

From source file:Main.java

/**
 * Convert decimalism to other.//from   w ww  .j av  a2s. c om
 * @param decimal Value in decimalism.
 * @param radix Which system to convert. (Only 2, 8, 16)
 */
public static String toBits(int decimal, int radix) {
    String num;
    switch (radix) {
    case 2:
        num = "00000000000000000000000000000000" + Integer.toBinaryString(decimal);
        return "0b" + num.substring(num.length() - 32);
    case 8:
        num = "00000000000" + Integer.toOctalString(decimal);
        return "0" + num.substring(num.length() - 11);
    case 16:
        num = "00000000" + Integer.toHexString(decimal);
        return "0x" + num.substring(num.length() - 8);
    default:
        return UNKNOWN;
    }
}

From source file:Main.java

/**
 * 7 => 00000111//w ww .  j  a  v  a2  s .  c o  m
 * 
 * @param src
 * @return
 */
public static String getBinaryString(byte src) {
    String binaryString = Integer.toBinaryString(src);
    if (binaryString.length() > Byte.SIZE) {
        binaryString = binaryString.substring(binaryString.length() - Byte.SIZE);
    } else {
        String temp = "";
        for (int i = 0; i < Byte.SIZE - binaryString.length(); i++) {
            temp += "0";
        }
        binaryString = temp + binaryString;
    }
    return binaryString;
}

From source file:Main.java

/**
 * Return a BCD representation of an integer as a 4-byte array.
 * @param i int//w ww  . j av a 2 s .c o m
 * @return  byte[4]
 */
public static byte[] intToBcdArray(int i) {
    if (i < 0)
        throw new IllegalArgumentException("Argument cannot be a negative integer.");

    StringBuilder binaryString = new StringBuilder();

    while (true) {
        int quotient = i / 10;
        int remainder = i % 10;
        String nibble = String.format("%4s", Integer.toBinaryString(remainder)).replace(' ', '0');
        binaryString.insert(0, nibble);

        if (quotient == 0) {
            break;
        } else {
            i = quotient;
        }
    }

    return ByteBuffer.allocate(4).putInt(Integer.parseInt(binaryString.toString(), 2)).array();
}

From source file:Main.java

public static String byteToBit(byte... bytes) {
    StringBuffer sb = new StringBuffer();
    int z, len;//w w w .ja v  a2s.  c om
    String str;
    for (int w = 0; w < bytes.length; w++) {
        z = bytes[w];
        z |= 256;
        str = Integer.toBinaryString(z);
        len = str.length();
        sb.append(str.substring(len - 8, len));
    }
    return sb.toString();
}

From source file:edu.rit.flick.genetics.util.HexPrinter.java

public static String intToBinaryString(final int i) {
    final StringBuilder str = new StringBuilder(
            org.apache.commons.lang.StringUtils.leftPad(Integer.toBinaryString(i), 16, '0'));

    for (int idx = str.length() - 4; idx > 0; idx -= 4)
        str.insert(idx, "_");

    return str.toString();
}

From source file:org.openhab.binding.phc.internal.PHCHelper.java

/**
 * Get the ThingUID by the given parameters.
 *
 * @param thingTypeUID//from w ww. jav a 2s  . c o m
 * @param moduleAddr reverse (to the reverse address - DIP switches)
 * @return
 */
public static ThingUID getThingUIDreverse(ThingTypeUID thingTypeUID, byte moduleAddr) {
    // convert to 5-bit binary string and reverse in second step
    String thingID = StringUtils.leftPad(StringUtils.trim(Integer.toBinaryString(moduleAddr & 0xFF)), 5, '0');
    thingID = new StringBuilder(thingID).reverse().toString();

    ThingUID thingUID = new ThingUID(thingTypeUID, thingID);

    return thingUID;
}

From source file:Main.java

/**
 * 7 => 00000111/*w w  w .j a v a 2s. com*/
 *
 * @param src
 * @return
 */
public static String getBinaryString(byte src) {
    String binaryString = Integer.toBinaryString(src);
    if (binaryString.length() > Byte.SIZE) {
        binaryString = binaryString.substring(binaryString.length() - Byte.SIZE);
    } else {
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < Byte.SIZE - binaryString.length(); i++) {
            sb.append("0");
        }
        binaryString = sb.toString() + binaryString;
    }
    return binaryString;
}

From source file:org.openhab.binding.phc.internal.PHCHelper.java

/**
 * Convert the byte b into an binary String
 *
 * @param b//from w ww. j a v  a  2s .co m
 * @return
 */
public static Object byteToBinaryString(byte b) {
    return StringUtils.leftPad(StringUtils.trim(Integer.toBinaryString(b & 0xFF)), 8, '0') + " ";
}

From source file:org.mabb.fontverter.woff.WoffOutputStream.java

public void writeUIntBase128(int num) throws IOException {
    List<Byte> bytes = new ArrayList<Byte>();
    String binary = Integer.toBinaryString(num);

    while (!binary.isEmpty()) {
        if (binary.length() < 7)
            binary = StringUtils.repeat("0", 7 - (binary.length() % 7)) + binary;

        String byteBinary = binary.substring(binary.length() - 7, binary.length());

        // last (or only) byte signficant bit must be 0 all others sig bit must be 1
        int sigbit = bytes.size() == 0 ? 0 : 128;
        byte byteOn = (byte) (sigbit + Integer.parseInt(byteBinary, 2));
        bytes.add(0, byteOn);// w  ww . ja v a 2  s.c  o m

        binary = binary.substring(0, binary.length() - 7);
    }

    for (byte byteOn : bytes)
        write(byteOn);
}