1 package org.apache.lucene.util;
4 * Licensed to the Apache Software Foundation (ASF) under one or more
5 * contributor license agreements. See the NOTICE file distributed with
6 * this work for additional information regarding copyright ownership.
7 * The ASF licenses this file to You under the Apache License, Version 2.0
8 * (the "License"); you may not use this file except in compliance with
9 * the License. You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
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14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
23 public final class English {
25 private English() {} // no instance
27 public static String longToEnglish(long i) {
28 StringBuilder result = new StringBuilder();
29 longToEnglish(i, result);
30 return result.toString();
33 public static void longToEnglish(long i, StringBuilder result) {
35 result.append("zero");
39 result.append("minus ");
42 if (i >= 1000000000000000000l) { // quadrillion
43 longToEnglish(i / 1000000000000000000l, result);
44 result.append("quintillion, ");
45 i = i % 1000000000000000000l;
47 if (i >= 1000000000000000l) { // quadrillion
48 longToEnglish(i / 1000000000000000l, result);
49 result.append("quadrillion, ");
50 i = i % 1000000000000000l;
52 if (i >= 1000000000000l) { // trillions
53 longToEnglish(i / 1000000000000l, result);
54 result.append("trillion, ");
55 i = i % 1000000000000l;
57 if (i >= 1000000000) { // billions
58 longToEnglish(i / 1000000000, result);
59 result.append("billion, ");
62 if (i >= 1000000) { // millions
63 longToEnglish(i / 1000000, result);
64 result.append("million, ");
67 if (i >= 1000) { // thousands
68 longToEnglish(i / 1000, result);
69 result.append("thousand, ");
72 if (i >= 100) { // hundreds
73 longToEnglish(i / 100, result);
74 result.append("hundred ");
77 //we know we are smaller here so we can cast
79 switch (((int) i) / 10) {
81 result.append("ninety");
84 result.append("eighty");
87 result.append("seventy");
90 result.append("sixty");
93 result.append("fifty");
96 result.append("forty");
99 result.append("thirty");
102 result.append("twenty");
113 result.append("nineteen ");
116 result.append("eighteen ");
119 result.append("seventeen ");
122 result.append("sixteen ");
125 result.append("fifteen ");
128 result.append("fourteen ");
131 result.append("thirteen ");
134 result.append("twelve ");
137 result.append("eleven ");
140 result.append("ten ");
143 result.append("nine ");
146 result.append("eight ");
149 result.append("seven ");
152 result.append("six ");
155 result.append("five ");
158 result.append("four ");
161 result.append("three ");
164 result.append("two ");
167 result.append("one ");
176 public static String intToEnglish(int i) {
177 StringBuilder result = new StringBuilder();
178 longToEnglish(i, result);
179 return result.toString();
182 public static void intToEnglish(int i, StringBuilder result) {
183 longToEnglish(i, result);
186 public static void main(String[] args) {
187 System.out.println(longToEnglish(Long.parseLong(args[0])));