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.DateTimeZone;
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 DateTimeZone to a String (the ID of the timezone, e.g.
26 * 'Australia/Brisbane').
27 *
28 * @since 2.3.0
29 * @author James Bassett
30 */
31 public class FmtDateTimeZone extends CellProcessorAdaptor {
32
33 /**
34 * Constructs a new <tt>FmtDateTimeZone</tt> processor, which formats a Joda
35 * DateTimeZone as a String.
36 */
37 public FmtDateTimeZone() {
38 }
39
40 /**
41 * Constructs a new <tt>FmtDateTimeZone</tt> processor, which formats a Joda
42 * DateTimeZone as a String, then calls the next processor in the chain.
43 *
44 * @param next
45 * next processor in the chain
46 * @throws NullPointerException
47 * if next is null
48 */
49 public FmtDateTimeZone(final CellProcessor next) {
50 super(next);
51 }
52
53 /**
54 * {@inheritDoc}
55 *
56 * @throws SuperCsvCellProcessorException
57 * if value is null or not a DateTimeZone
58 */
59 public Object execute(final Object value, final CsvContext context) {
60 validateInputNotNull(value, context);
61 if (!(value instanceof DateTimeZone)) {
62 throw new SuperCsvCellProcessorException(DateTimeZone.class, value,
63 context, this);
64 }
65 final DateTimeZone dateTimeZone = (DateTimeZone) value;
66 final String result = dateTimeZone.toString();
67 return next.execute(result, context);
68 }
69
70 }