/*
* Copyright (c) 2003-onwards Shaven Puppy Ltd
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of 'Shaven Puppy' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS 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 THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package net.puppygames.gamecommerce.shared;
/**
* A utility class to encode bytes as two-digit hexadecimal text.
*/
public abstract class HexEncoder {
/** No construction */
private HexEncoder() {}
/**
* Encodes an array of bytes into a String. Each byte is encoded into a two-digit
* hexadecimal number, eg. 0F, EA, 1C, etc.
* @param in[] The incoming byte array
* @return String
*/
public static String encode(byte[] in) {
StringBuffer sb = new StringBuffer(in.length << 1);
for (int i = 0; i < in.length; i ++) {
sb.append(Integer.toHexString(((in[i] & 0xF0) >> 4) & 0x0F));
sb.append(Integer.toHexString(in[i] & 0x0F));
}
return sb.toString();
}
}