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 }