1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.functor.example.kata.one;
18
19 import org.apache.commons.functor.Function;
20 import org.apache.commons.functor.core.composite.Composite;
21
22 /**
23 * @version $Revision: 1508677 $ $Date: 2013-07-31 00:48:02 +0200 (Mi, 31 Jul 2013) $
24 */
25 public class ToMoney implements Function<Number, Money> {
26
27 public Money evaluate(Number cents) {
28 return new Money(cents.intValue());
29 }
30
31 public static ToMoney instance() {
32 return INSTANCE;
33 }
34
35 public static <X> Function<X, Money> from(Function<? super X, ? extends Number> fn) {
36 return Composite.function(INSTANCE, fn);
37 }
38
39 private static ToMoney INSTANCE = new ToMoney();
40 }