Java Hex Print printHex(byte[] field, int start, int len)

Description

print Hex

License

Open Source License

Declaration

public static String printHex(byte[] field, int start, int len) 

Method Source Code

//package com.java2s;
/*//from ww w  .  ja v a  2 s.c o m
 * Copyright 2005-2008 by beck et al. projects GmbH, Munich
 * Copyright 2009 by Kappich Systemberatung, Aachen
 * 
 * This file is part of de.bsvrz.sys.funclib.losb.
 * 
 * de.bsvrz.sys.funclib.losb is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * de.bsvrz.sys.funclib.losb is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with de.bsvrz.sys.funclib.losb.  If not, see <http://www.gnu.org/licenses/>.
    
 * Contact Information:
 * Kappich Systemberatung
 * Martin-Luther-Stra?e 14
 * 52062 Aachen, Germany
 * phone: +49 241 4090 436 
 * mail: <info@kappich.de>
 */

public class Main {
    public static String printHex(byte[] field, int start, int len) {
        StringBuffer sb = new StringBuffer((field.length * 3) - 1);
        int stop = field.length < len ? field.length : (start + len);
        for (int i = start; i < stop; i++) {
            int b = (field[i] >> 4) & 0x0000000F;
            if (b < 10) {
                sb.append(b);
            } else {
                sb.append((char) ('A' + b - 10));
            }
            b = field[i] & 0x0000000F;
            if (b < 10) {
                sb.append(b);
            } else {
                sb.append((char) ('A' + b - 10));
            }
            if (i + 1 < stop)
                sb.append(" ");
        }
        return sb.toString();
    }

    public static String printHex(byte[] field) {
        return printHex(field, 0, field.length);
    }
}

Related

1. printHex(byte[] array, int offset, int len)
2. printHex(byte[] b)
3. printHex(byte[] bytes)
4. printHex(byte[] bytes)
5. printHex(byte[] data)
6. printHexa(final byte b)
7. printHexBytes(byte[] _theBytes)
8. printHexNumber(int n)
9. printHexString(byte[] b)