Java Convert via ByteBuffer toBinaryString(byte[] b)

Description

to Binary String

License

Open Source License

Declaration

public static String toBinaryString(byte[] b) 

Method Source Code

//package com.java2s;
/*//from  w w w.  j av a  2s  .c o  m
 * The MIT License
 *
 * Copyright 2014 David Rathbun.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

import java.nio.ByteBuffer;

public class Main {
    private static final String[] hexbin = { "0000", "0001", "0010",
            "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010",
            "1011", "1100", "1101", "1110", "1111", };

    public static String toBinaryString(byte[] b) {
        // Big Endian
        String o = "";
        for (int i = 0; i < b.length; i++) {
            o += hexbin[((b[i] & 255) >>> 4)] + hexbin[(b[i] & 15)];
        }
        return o;
    }

    public static String toBinaryString(byte a) {
        return toBinaryString(ByteBuffer.wrap(new byte[1]).put(a).array());
    }

    public static String toBinaryString(short a) {
        return toBinaryString(ByteBuffer.wrap(new byte[2]).putShort(a)
                .array());
    }

    public static String toBinaryString(int a) {
        return toBinaryString(ByteBuffer.wrap(new byte[4]).putInt(a)
                .array());
    }

    public static String toBinaryString(long a) {
        return toBinaryString(ByteBuffer.wrap(new byte[8]).putLong(a)
                .array());
    }
}

Related

1. toASCIIString(URI u)
2. toAttributeValue(Object value)
3. toBigDecimal(byte[] bytes, int scale)
4. toBigInteger(byte[] bytes)
5. toBinaryFloatingPoint(double source)
6. toBuffer(boolean[] src, int offset)
7. toBuffer(byte[] arr)
8. toBuffer(byte[] arr)
9. toBuffer(int[] array)