1 package org.codehaus.plexus.digest;
2
3 /*
4 * Copyright 2001-2006 The Codehaus.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 /**
20 * Hex - simple hex conversions.
21 *
22 * @version $Id$
23 */
24 public class Hex
25 {
26 private static final byte[] DIGITS = "0123456789abcdef".getBytes();
27
28 public static String encode( byte[] data )
29 {
30 int l = data.length;
31
32 byte[] raw = new byte[l * 2];
33
34 for ( int i = 0, j = 0; i < l; i++ )
35 {
36 raw[j++] = DIGITS[( 0xF0 & data[i] ) >>> 4];
37 raw[j++] = DIGITS[0x0F & data[i]];
38 }
39
40 return new String( raw );
41 }
42
43 public static String encode( String raw )
44 {
45 return encode( raw.getBytes() );
46 }
47 }