001package org.apache.archiva.redback.integration.filter.authentication.digest; 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 024 * 025 * @author <a href="mailto:joakim@erdfelt.com">Joakim Erdfelt</a> 026 * 027 */ 028public class Hex 029{ 030 private static final byte[] DIGITS = "0123456789abcdef".getBytes(); 031 032 public static String encode( byte[] data ) 033 { 034 int l = data.length; 035 036 byte[] raw = new byte[l * 2]; 037 038 for ( int i = 0, j = 0; i < l; i++ ) 039 { 040 raw[j++] = DIGITS[( 0xF0 & data[i] ) >>> 4]; 041 raw[j++] = DIGITS[0x0F & data[i]]; 042 } 043 044 return new String( raw ); 045 } 046 047 public static String encode( String raw ) 048 { 049 return encode( raw.getBytes() ); 050 } 051}