1 /*
2 * Copyright 2007 Kasper B. Graversen
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 org.supercsv.cellprocessor.joda;
17
18 import org.joda.time.Duration;
19 import org.supercsv.cellprocessor.CellProcessorAdaptor;
20 import org.supercsv.cellprocessor.ift.CellProcessor;
21 import org.supercsv.exception.SuperCsvCellProcessorException;
22 import org.supercsv.util.CsvContext;
23
24 /**
25 * Converts a Joda Duration to a String in the ISO8601 duration format including
26 * only seconds and milliseconds.
27 * <p>
28 * For example, "PT72.345S" represents 1 minute, 12 seconds and 345
29 * milliseconds.
30 * <p>
31 *
32 * @since 2.3.0
33 * @author James Bassett
34 */
35 public class FmtDuration extends CellProcessorAdaptor {
36
37 /**
38 * Constructs a new <tt>FmtDuration</tt> processor, which formats a Joda
39 * Duration as a String.
40 */
41 public FmtDuration() {
42 }
43
44 /**
45 * Constructs a new <tt>FmtDuration</tt> processor, which formats a Joda
46 * Duration as a String, then calls the next processor in the chain.
47 *
48 * @param next
49 * next processor in the chain
50 * @throws NullPointerException
51 * if next is null
52 */
53 public FmtDuration(final CellProcessor next) {
54 super(next);
55 }
56
57 /**
58 * {@inheritDoc}
59 *
60 * @throws SuperCsvCellProcessorException
61 * if value is null or not a Duration
62 */
63 public Object execute(final Object value, final CsvContext context) {
64 validateInputNotNull(value, context);
65 if (!(value instanceof Duration)) {
66 throw new SuperCsvCellProcessorException(Duration.class, value,
67 context, this);
68 }
69 final Duration duration = (Duration) value;
70 final String result = duration.toString();
71 return next.execute(result, context);
72 }
73
74 }