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 org.seasar.cubby.action.MessageInfo;
19 import org.seasar.cubby.validator.ScalarFieldValidator;
20 import org.seasar.cubby.validator.ValidationContext;
21
22 /**
23 * 指定された文字列と等しいかどうかを検証します。
24 * <p>
25 * <table>
26 * <caption>検証エラー時に設定するエラーメッセージ</caption> <tbody>
27 * <tr>
28 * <th scope="row">デフォルトのキー</th>
29 * <td>valid.equals</td>
30 * </tr>
31 * <tr>
32 * <th scope="row">置換文字列</th>
33 * <td>
34 * <ol start="0">
35 * <li>フィールド名</li>
36 * <li>このオブジェクトに設定された比較対象の文字列</li>
37 * </ol></td>
38 * </tr>
39 * </tbody>
40 * </table>
41 * </p>
42 *
43 * @see String#equals(Object)
44 * @author agata
45 * @author baba
46 */
47 public class EqualsValidator implements ScalarFieldValidator {
48
49 /**
50 * メッセージキー。
51 */
52 private final String messageKey;
53
54 /**
55 * 対象文字列
56 */
57 private final String value;
58
59 /**
60 * コンストラクタ
61 *
62 * @param value
63 * 比較対象の文字列
64 */
65 public EqualsValidator(final String value) {
66 this(value, "valid.equals");
67 }
68
69 /**
70 * エラーメッセージキーを指定するコンストラクタ
71 *
72 * @param value
73 * @param messageKey
74 */
75 public EqualsValidator(final String value, final String messageKey) {
76 this.value = value;
77 this.messageKey = messageKey;
78 }
79
80 /**
81 * {@inheritDoc}
82 */
83 public void validate(final ValidationContext context, final Object value) {
84 if (this.value.equals(value)) {
85 return;
86 }
87
88 final MessageInfo messageInfo = new MessageInfo();
89 messageInfo.setKey(this.messageKey);
90 messageInfo.setArguments(this.value);
91 context.addMessageInfo(messageInfo);
92 }
93
94 }