Source code

001package org.apache.archiva.checksum;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *   http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022/**
023 * Hex - simple hex conversions. 
024 *
025 *
026 */
027public class Hex
028{
029    private static final byte[] DIGITS = "0123456789abcdef".getBytes();
030
031    public static String encode( byte[] data )
032    {
033        int l = data.length;
034
035        byte[] raw = new byte[l * 2];
036
037        for ( int i = 0, j = 0; i < l; i++ )
038        {
039            raw[j++] = DIGITS[( 0xF0 & data[i] ) >>> 4];
040            raw[j++] = DIGITS[0x0F & data[i]];
041        }
042
043        return new String( raw );
044    }
045
046    public static String encode( String raw )
047    {
048        return encode( raw.getBytes() );
049    }
050
051}