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.time;
17
18 import java.time.DateTimeException;
19 import java.time.ZoneId;
20 import java.util.Map;
21 import java.util.Objects;
22
23 import org.supercsv.cellprocessor.CellProcessorAdaptor;
24 import org.supercsv.cellprocessor.ift.CellProcessor;
25 import org.supercsv.exception.SuperCsvCellProcessorException;
26 import org.supercsv.util.CsvContext;
27
28 /**
29 * Converts a String to a ZoneId.
30 *
31 * @author Ludovico Fischer
32 * @since 2.4.0
33 */
34 public class ParseZoneId extends CellProcessorAdaptor {
35
36 private final Map<String, String> aliasMap;
37
38 /**
39 * Constructs a new <tt>ParseZoneId</tt> processor, which parses a
40 * String recognized by {@link ZoneId#of(String)} as a ZoneId.
41 */
42 public ParseZoneId() {
43 this.aliasMap = null;
44 }
45
46 /**
47 * Constructs a new <tt>ParseZoneId</tt> processor, which parses a
48 * String as a ZoneId, then calls the next processor in the
49 * chain.
50 *
51 * @param next the next processor in the chain
52 * @see ParseZoneId()
53 */
54 public ParseZoneId(final CellProcessor next) {
55 super(next);
56 this.aliasMap = null;
57 }
58
59 /**
60 * Constructs a new <tt>ParseZoneId</tt> processor, which parses a
61 * String as a ZoneId using the supplied Zone ID mappings.
62 *
63 * @param aliasMap a Map from custom zone IDs to canonical representations
64 * @see ZoneId#of(String, Map)
65 */
66 public ParseZoneId(final Map<String, String> aliasMap) {
67 Objects.requireNonNull(aliasMap);
68 this.aliasMap = aliasMap;
69 }
70
71 /**
72 * Constructs a new <tt>ParseZoneId</tt> processor, which parses a
73 * String as a ZoneId using the supplied Zone ID mappings, then calls the next processor in the
74 * chain.
75 *
76 * @param aliasMap a Map from custom zone IDs to canonical representations
77 * @param next the next processor in the chain
78 * @see ZoneId#of(String, Map)
79 */
80 public ParseZoneId(final Map<String, String> aliasMap, final CellProcessor next) {
81 super(next);
82 Objects.requireNonNull(aliasMap);
83 this.aliasMap = aliasMap;
84 }
85
86 /**
87 * {@inheritDoc}
88 *
89 * @throws SuperCsvCellProcessorException if value is null or is not a String
90 */
91 public Object execute(final Object value, final CsvContext context) {
92 validateInputNotNull(value, context);
93 if( !(value instanceof String) ) {
94 throw new SuperCsvCellProcessorException(String.class, value, context, this);
95 }
96 final ZoneId result;
97 try {
98 if( aliasMap != null ) {
99 result = ZoneId.of((String) value, aliasMap);
100 } else {
101 result = ZoneId.of((String) value);
102 }
103 }
104 catch(DateTimeException e) {
105 throw new SuperCsvCellProcessorException("Failed to parse value as a ZoneId", context, this, e);
106 }
107 return next.execute(result, context);
108
109 }
110
111 }