1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * ident        "%Z%%M% %I%     %E% SMI"
  24  *
  25  * Copyright (c) 2001 by Sun Microsystems, Inc.
  26  * All rights reserved.
  27  */
  28 
  29 package com.sun.dhcpmgr.cli.common;
  30 
  31 /**
  32  * This class contains common utilites used by the CLI programs.
  33  */
  34 public class Util
  35 {
  36     /**
  37      * Array of hex characters, used by for translations.
  38      */
  39     private static final char hexChars[] = {'0', '1', '2', '3', '4', '5', '6',
  40         '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
  41 
  42     /**
  43      * Converts an ascii string into a string containing its hex value.
  44      * @param ascii the ascii representation
  45      * @return the hex representation
  46      */
  47     public static String asciiToHex(String ascii) {
  48 
  49         StringBuffer hex = new StringBuffer();
  50 
  51         if (ascii == null) {
  52             return null;
  53         }
  54 
  55         for (int i = 0; i < ascii.length(); i++) {
  56             char aChar = ascii.charAt(i);
  57             int ndx = (aChar >> 4) & 0x000f;
  58             hex.append(hexChars[ndx]);
  59             ndx = aChar & 0x000f;
  60             hex.append(hexChars[ndx]);
  61         }
  62 
  63         return hex.toString();
  64 
  65     } // asciiToHex
  66 
  67 } // Util