1 package org.apache.maven.doxia.module.rtf; 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 * @version $Id$ 24 */ 25 class AlphaNumerals 26 { 27 static String toString( int n ) 28 { 29 return toString( n, false ); 30 } 31 32 static String toString( int n, boolean lowerCase ) 33 { 34 StringBuilder alpha = new StringBuilder(); 35 char zeroLetter = lowerCase ? '`' : '@'; 36 37 while ( n > 0 ) 38 { 39 char letter = (char) ( zeroLetter + ( n % 27 ) ); 40 if ( letter == zeroLetter ) 41 { 42 letter = '0'; 43 } 44 alpha.insert( 0, letter ); 45 46 n /= 27; 47 } 48 49 return alpha.toString(); 50 } 51 }