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 String to a Joda Duration.
26 *
27 * The String should be in the ISO8601 duration format including only seconds
28 * and milliseconds.
29 * <p>
30 * For example, "PT72.345S" represents 1 minute, 12 seconds and 345
31 * milliseconds.
32 * <p>
33 *
34 * @since 2.3.0
35 * @author James Bassett
36 */
37 public class ParseDuration extends CellProcessorAdaptor {
38
39 /**
40 * Constructs a new <tt>ParseDuration</tt> processor, which parses a String
41 * as a Joda Duration.
42 */
43 public ParseDuration() {
44 }
45
46 /**
47 * Constructs a new <tt>ParseDuration</tt> processor, which parses a String
48 * as a Joda Duration, then calls the next processor in the chain.
49 *
50 * @param next
51 * the next processor in the chain
52 */
53 public ParseDuration(final CellProcessor next) {
54 super(next);
55 }
56
57 /**
58 * {@inheritDoc}
59 *
60 * @throws SuperCsvCellProcessorException
61 * if value is null or is not a String
62 */
63 public Object execute(final Object value, final CsvContext context) {
64 validateInputNotNull(value, context);
65 if (!(value instanceof String)) {
66 throw new SuperCsvCellProcessorException(String.class, value,
67 context, this);
68 }
69 final Duration result;
70 try {
71 result = Duration.parse((String) value);
72 } catch (IllegalArgumentException e) {
73 throw new SuperCsvCellProcessorException(
74 "Failed to parse value as a Duration", context, this, e);
75 }
76 return next.execute(result, context);
77 }
78
79 }