Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
DateFormatValidator |
|
| 3.4;3.4 |
1 | /* | |
2 | * Copyright 2004-2009 the Seasar Foundation and the Others. | |
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, | |
13 | * either express or implied. See the License for the specific language | |
14 | * governing permissions and limitations under the License. | |
15 | */ | |
16 | package org.seasar.cubby.validator.validators; | |
17 | ||
18 | import static org.seasar.cubby.internal.util.LogMessages.format; | |
19 | ||
20 | import java.text.DateFormat; | |
21 | import java.text.ParsePosition; | |
22 | import java.text.SimpleDateFormat; | |
23 | import java.util.Date; | |
24 | ||
25 | import org.seasar.cubby.action.MessageInfo; | |
26 | import org.seasar.cubby.controller.FormatPattern; | |
27 | import org.seasar.cubby.internal.util.StringUtils; | |
28 | import org.seasar.cubby.spi.ContainerProvider; | |
29 | import org.seasar.cubby.spi.ProviderFactory; | |
30 | import org.seasar.cubby.spi.container.Container; | |
31 | import org.seasar.cubby.validator.ScalarFieldValidator; | |
32 | import org.seasar.cubby.validator.ValidationContext; | |
33 | ||
34 | /** | |
35 | * 日付パターンに適合するかを検証します。 | |
36 | * <p> | |
37 | * 日付パターンを指定しない場合、「app-cubby.dicon」で指定した日付パターンが使用されます。 | |
38 | * </p> | |
39 | * <p> | |
40 | * <table> | |
41 | * <caption>検証エラー時に設定するエラーメッセージ</caption> <tbody> | |
42 | * <tr> | |
43 | * <th scope="row">デフォルトのキー</th> | |
44 | * <td>valid.dateFormat</td> | |
45 | * </tr> | |
46 | * <tr> | |
47 | * <th scope="row">置換文字列</th> | |
48 | * <td> | |
49 | * <ol start="0"> | |
50 | * <li>フィールド名</li> | |
51 | * </ol></td> | |
52 | * </tr> | |
53 | * </tbody> | |
54 | * </table> | |
55 | * </p> | |
56 | * | |
57 | * @author agata | |
58 | * @author baba | |
59 | * @see SimpleDateFormat | |
60 | */ | |
61 | public class DateFormatValidator implements ScalarFieldValidator { | |
62 | ||
63 | /** | |
64 | * メッセージキー。 | |
65 | */ | |
66 | private final String messageKey; | |
67 | ||
68 | /** | |
69 | * 日付パターン | |
70 | */ | |
71 | private final String pattern; | |
72 | ||
73 | /** | |
74 | * 日付パターンを指定しないコンストラクタ | |
75 | */ | |
76 | public DateFormatValidator() { | |
77 | 0 | this(null); |
78 | 0 | } |
79 | ||
80 | /** | |
81 | * 日付パターンを指定するコンストラクタ | |
82 | * | |
83 | * @param pattern | |
84 | * 日付パターン(例:"yyyy/MM/dd") | |
85 | */ | |
86 | public DateFormatValidator(final String pattern) { | |
87 | 1 | this(pattern, "valid.dateFormat"); |
88 | 1 | } |
89 | ||
90 | /** | |
91 | * 日付パターンとエラーメッセージキーを指定したコンストラクタ | |
92 | * | |
93 | * @param pattern | |
94 | * 日付パターン(例:"yyyy/MM/dd") | |
95 | * @param messageKey | |
96 | * エラーメッセージキー | |
97 | */ | |
98 | 1 | public DateFormatValidator(final String pattern, final String messageKey) { |
99 | 1 | this.pattern = pattern; |
100 | 1 | this.messageKey = messageKey; |
101 | 1 | } |
102 | ||
103 | /** | |
104 | * {@inheritDoc} | |
105 | */ | |
106 | public void validate(final ValidationContext context, final Object value) { | |
107 | 4 | if (value == null) { |
108 | 0 | return; |
109 | } | |
110 | 4 | if (value instanceof String) { |
111 | 4 | final String stringValue = (String) value; |
112 | 4 | if (StringUtils.isEmpty((String) value)) { |
113 | 0 | return; |
114 | } | |
115 | try { | |
116 | 4 | final DateFormat dateFormat = createDateFormat(context, value); |
117 | 4 | final ParsePosition parsePosition = new ParsePosition(0); |
118 | 4 | final Date date = dateFormat.parse(stringValue, parsePosition); |
119 | 4 | if (date != null |
120 | && parsePosition.getIndex() == stringValue.length()) { | |
121 | 1 | return; |
122 | } | |
123 | 0 | } catch (final Exception e) { |
124 | 3 | } |
125 | } | |
126 | ||
127 | 3 | final MessageInfo messageInfo = new MessageInfo(); |
128 | 3 | messageInfo.setKey(this.messageKey); |
129 | 3 | context.addMessageInfo(messageInfo); |
130 | 3 | } |
131 | ||
132 | /** | |
133 | * {@link DateFormat} のインスタンスを生成します。 | |
134 | * | |
135 | * @param context | |
136 | * コンテキスト | |
137 | * @param value | |
138 | * 値 | |
139 | * @return {@link DateFormat} のインスタンス | |
140 | */ | |
141 | private DateFormat createDateFormat(final ValidationContext context, | |
142 | final Object value) { | |
143 | 4 | final SimpleDateFormat dateFormat = new SimpleDateFormat(); |
144 | final String pattern; | |
145 | 4 | if (StringUtils.isEmpty(this.pattern)) { |
146 | 0 | final Container container = ProviderFactory.get( |
147 | ContainerProvider.class).getContainer(); | |
148 | 0 | final FormatPattern formatPattern = container |
149 | .lookup(FormatPattern.class); | |
150 | 0 | if (formatPattern == null) { |
151 | 0 | throw new IllegalStateException(format("ECUB0301", this, value)); |
152 | } | |
153 | 0 | pattern = formatPattern.getDatePattern(); |
154 | 0 | } else { |
155 | 4 | pattern = this.pattern; |
156 | } | |
157 | 4 | dateFormat.applyPattern(pattern); |
158 | 4 | dateFormat.setLenient(false); |
159 | 4 | return dateFormat; |
160 | } | |
161 | ||
162 | } |