01: /*
02: * Copyright 2004 The Apache Software Foundation
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: package jsp2.examples.el;
17:
18: import java.util.*;
19:
20: /**
21: * Defines the functions for the jsp2 example tag library.
22: *
23: * <p>Each function is defined as a static method.</p>
24: */
25: public class Functions {
26: public static String reverse(String text) {
27: return new StringBuffer(text).reverse().toString();
28: }
29:
30: public static int numVowels(String text) {
31: String vowels = "aeiouAEIOU";
32: int result = 0;
33: for (int i = 0; i < text.length(); i++) {
34: if (vowels.indexOf(text.charAt(i)) != -1) {
35: result++;
36: }
37: }
38: return result;
39: }
40:
41: public static String caps(String text) {
42: return text.toUpperCase();
43: }
44: }
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