1 /*
2 * Copyright 2004-2010 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
17 package org.seasar.cubby.validator.validators;
18
19 import org.seasar.cubby.action.MessageInfo;
20 import org.seasar.cubby.validator.ScalarFieldValidator;
21 import org.seasar.cubby.validator.ValidationContext;
22
23 /**
24 * 指定された文字列と等しいかどうかを検証します。
25 * <p>
26 * <table>
27 * <caption>検証エラー時に設定するエラーメッセージ</caption> <tbody>
28 * <tr>
29 * <th scope="row">デフォルトのキー</th>
30 * <td>valid.equals</td>
31 * </tr>
32 * <tr>
33 * <th scope="row">置換文字列</th>
34 * <td>
35 * <ol start="0">
36 * <li>フィールド名</li>
37 * <li>このオブジェクトに設定された比較対象の文字列</li>
38 * </ol></td>
39 * </tr>
40 * </tbody>
41 * </table>
42 * </p>
43 *
44 * @see String#equals(Object)
45 * @author agata
46 * @author baba
47 */
48 public class EqualsValidator implements ScalarFieldValidator {
49
50 /**
51 * メッセージキー。
52 */
53 private final String messageKey;
54
55 /**
56 * 対象文字列
57 */
58 private final String value;
59
60 /**
61 * コンストラクタ
62 *
63 * @param value
64 * 比較対象の文字列
65 */
66 public EqualsValidator(final String value) {
67 this(value, "valid.equals");
68 }
69
70 /**
71 * エラーメッセージキーを指定するコンストラクタ
72 *
73 * @param value
74 * @param messageKey
75 */
76 public EqualsValidator(final String value, final String messageKey) {
77 this.value = value;
78 this.messageKey = messageKey;
79 }
80
81 /**
82 * {@inheritDoc}
83 */
84 public void validate(final ValidationContext context, final Object value) {
85 if (this.value.equals(value)) {
86 return;
87 }
88
89 final MessageInfo messageInfo = new MessageInfo();
90 messageInfo.setKey(this.messageKey);
91 messageInfo.setArguments(this.value);
92 context.addMessageInfo(messageInfo);
93 }
94
95 }