Functions


1   /*
2   * Copyright 2004 The Apache Software Foundation
3   *
4   * Licensed under the Apache License, Version 2.0 (the "License");
5   * you may not use this file except in compliance with the License.
6   * You may obtain a copy of the License at
7   *
8   *     http://www.apache.org/licenses/LICENSE-2.0
9   *
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  }
45

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