package org.codehaus.plexus.digest;

 /*

  * Copyright 2001-2006 The Codehaus.

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *      http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 /**

  * Hex - simple hex conversions. 

  *

  * @version $Id$

  */

 public class Hex

 {

     private static final byte[] DIGITS = "0123456789abcdef".getBytes();

     public static String encode( byte[] data )

     {

         int l = data.length;

         byte[] raw = new byte[l * 2];

         for ( int i = 0, j = 0; i < l; i++ )

         {

             raw[j++] = DIGITS[( 0xF0 & data[i] ) >>> 4];

             raw[j++] = DIGITS[0x0F & data[i]];

         }

         return new String( raw );

     }

     public static String encode( String raw )

     {

         return encode( raw.getBytes() );

     }

 }