1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package jsp2.examples.el;
18
19 /**
20 * Defines the functions for the jsp2 example tag library.
21 * <p/>
22 * <p>Each function is defined as a static method.</p>
23 */
24 public class Functions {
25 public static String reverse(String text) {
26 return new StringBuffer(text).reverse().toString();
27 }
28
29 public static int numVowels(String text) {
30 String vowels = "aeiouAEIOU";
31 int result = 0;
32 for (int i = 0; i < text.length(); i++) {
33 if (vowels.indexOf(text.charAt(i)) != -1) {
34 result++;
35 }
36 }
37 return result;
38 }
39
40 public static String caps(String text) {
41 return text.toUpperCase();
42 }
43 }