Android Hex String Create toHexDigits(byte[] bytes)

Here you can find the source of toHexDigits(byte[] bytes)

Description

to Hex Digits

License

Open Source License

Declaration

public static String toHexDigits(byte[] bytes) 

Method Source Code

//package com.java2s;
/*//from  ww  w . j av a  2 s.  c o  m
 * Copyright (c) 2001-2007 Sun Microsystems, Inc.  All rights reserved.
 *
 *  The Sun Project JXTA(TM) Software License
 *
 *  Redistribution and use in source and binary forms, with or without 
 *  modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above copyright notice, 
 *     this list of conditions and the following disclaimer in the documentation 
 *     and/or other materials provided with the distribution.
 *
 *  3. The end-user documentation included with the redistribution, if any, must 
 *     include the following acknowledgment: "This product includes software 
 *     developed by Sun Microsystems, Inc. for JXTA(TM) technology." 
 *     Alternately, this acknowledgment may appear in the software itself, if 
 *     and wherever such third-party acknowledgments normally appear.
 *
 *  4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must 
 *     not be used to endorse or promote products derived from this software 
 *     without prior written permission. For written permission, please contact 
 *     Project JXTA at http://www.jxta.org.
 *
 *  5. Products derived from this software may not be called "JXTA", nor may 
 *     "JXTA" appear in their name, without prior written permission of Sun.
 *
 *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
 *  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
 *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN 
 *  MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
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 *
 *  JXTA is a registered trademark of Sun Microsystems, Inc. in the United 
 *  States and other countries.
 *
 *  Please see the license information page at :
 *  <http://www.jxta.org/project/www/license.html> for instructions on use of 
 *  the license in source files.
 *
 *  ====================================================================
 *
 *  This software consists of voluntary contributions made by many individuals 
 *  on behalf of Project JXTA. For more information on Project JXTA, please see 
 *  http://www.jxta.org.
 *
 *  This license is based on the BSD license adopted by the Apache Foundation. 
 */

public class Main {
    /**
     * Private replacement for toHexString since we need the leading 0 digits.
     * Returns a String containing byte value encoded as 2 hex characters.
     *
     * @param theByte a byte containing the value to be encoded.
     * @return String containing byte value encoded as 2 hex characters.
     */
    private static String toHexDigits(byte theByte) {
        final char[] HEXDIGITS = { '0', '1', '2', '3', '4', '5', '6', '7',
                '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
        StringBuilder result = new StringBuilder(2);

        result.append(HEXDIGITS[(theByte >>> 4) & 15]);
        result.append(HEXDIGITS[theByte & 15]);

        return result.toString();
    }

    public static String toHexDigits(byte[] bytes) {
        StringBuilder encoded = new StringBuilder(bytes.length * 2);

        // build the string.
        for (byte aByte : bytes) {
            encoded.append(toHexDigits(aByte).toUpperCase());
        }
        return encoded.toString();
    }
}

Related

  1. toHex(byte[] data)
  2. toHex(int address)
  3. toHexByte(String str, int offset, int length)
  4. toHexChar(int i)
  5. toHexDigits(byte theByte)
  6. toHexString(byte oneByte)
  7. bt64ToHex(int[] byteData)