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<!DOCTYPE html><html><head><meta charset="UTF-8" /><title>Source Code</title></head><body><pre>/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.Locale;

/**
 * Defines the functions for the jsp2 example tag library.
 *
 * &lt;p>Each function is defined as a static method.&lt;/p>
 */
public class Functions {
    public static String reverse( String text ) {
        return new StringBuilder( text ).reverse().toString();
    }

    public static int numVowels( String text ) {
        String vowels = "aeiouAEIOU";
        int result = 0;
        for( int i = 0; i &lt; text.length(); i++ ) {
            if( vowels.indexOf( text.charAt( i ) ) != -1 ) {
                result++;
            }
        }
        return result;
    }

    public static String caps( String text ) {
        return text.toUpperCase(Locale.ENGLISH);
    }
}
</pre></body></html>
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