| /* |
| * 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 org.apache.commons.functor.example.lines; |
| |
| import java.util.StringTokenizer; |
| |
| import org.apache.commons.functor.Function; |
| |
| /** |
| * @version $Revision$ $Date$ |
| */ |
| public class WordCount implements Function<String, Integer> { |
| public Integer evaluate(String obj) { |
| return new StringTokenizer(obj).countTokens(); |
| } |
| |
| public static WordCount instance() { |
| return INSTANCE; |
| } |
| |
| private static final WordCount INSTANCE = new WordCount(); |
| } |