1 package org.apache.archiva.checksum; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 /** 23 * Hex - simple hex conversions. 24 * 25 * 26 */ 27 public class Hex 28 { 29 private static final byte[] DIGITS = "0123456789abcdef".getBytes(); 30 31 public static String encode( byte[] data ) 32 { 33 int l = data.length; 34 35 byte[] raw = new byte[l * 2]; 36 37 for ( int i = 0, j = 0; i < l; i++ ) 38 { 39 raw[j++] = DIGITS[( 0xF0 & data[i] ) >>> 4]; 40 raw[j++] = DIGITS[0x0F & data[i]]; 41 } 42 43 return new String( raw ); 44 } 45 46 public static String encode( String raw ) 47 { 48 return encode( raw.getBytes() ); 49 } 50 51 }