| /* |
| * Copyright 2004 The Apache Software Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package jsp2.examples.el; |
| |
| import java.util.*; |
| |
| /** |
| * Defines the functions for the jsp2 example tag library. |
| * |
| * <p>Each function is defined as a static method.</p> |
| */ |
| public class Functions { |
| public static String reverse( String text ) { |
| return new StringBuffer( text ).reverse().toString(); |
| } |
| |
| public static int numVowels( String text ) { |
| String vowels = "aeiouAEIOU"; |
| int result = 0; |
| for( int i = 0; i < text.length(); i++ ) { |
| if( vowels.indexOf( text.charAt( i ) ) != -1 ) { |
| result++; |
| } |
| } |
| return result; |
| } |
| |
| public static String caps( String text ) { |
| return text.toUpperCase(); |
| } |
| } |