Java Byte Array to Binary bytes2Binary(byte[] b)

Description

bytes Binary

License

Open Source License

Declaration

public static String bytes2Binary(byte[] b) 

Method Source Code

//package com.java2s;
/*/*from  w w w.  ja  v  a 2  s .c om*/
 * ByteUtil.java - utilities for byte array handling.
 * 
 * Copyright (c) 2009-2015 PIAX develoment team
 * Copyright (c) 2006-2008 Osaka University
 * Copyright (c) 2004-2005 BBR Inc, Osaka University
 * 
 * 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.
 * 
 * $Id: ByteUtil.java 1176 2015-05-23 05:56:40Z teranisi $
 */

public class Main {

    public static String bytes2Binary(byte[] b) {
        StringBuilder str = new StringBuilder();
        for (int i = 0; i < b.length; i++) {
            if (i > 0)
                str.append('_');
            str.append(byte2Binary(b[i]));
        }
        return str.toString();
    }

    public static String byte2Binary(byte b) {
        StringBuilder str = new StringBuilder();
        int mask = 0x80;
        for (int i = 0; i < 8; i++) {
            str.append((b & mask) == 0 ? '0' : '1');
            mask >>= 1;
        }
        return str.toString();
    }
}

Related

1. bytes2Binary(byte[] bytes)
2. bytesToBinary(byte[] b, int byteLength)
3. bytesToBinString(byte[] bytes)
4. bytesToBits(byte[] b)