1 /*
2 * Copyright 2004-2008 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.validator.MessageHelper;
19 import org.seasar.cubby.validator.ScalarFieldValidator;
20 import org.seasar.cubby.validator.ValidationContext;
21
22 /**
23 * 指定した文字列と等しいかどうかを検証します。
24 * <p>
25 * デフォルトエラーメッセージキー:valid.equals
26 * </p>
27 *
28 * @author agata
29 * @author baba
30 */
31 public class EqualsValidator implements ScalarFieldValidator {
32
33 /**
34 * メッセージヘルパ。
35 */
36 private final MessageHelper messageHelper;
37
38 /**
39 * 対象文字列
40 */
41 private final String value;
42
43 /**
44 * コンストラクタ
45 *
46 * @param value
47 * 対象文字列
48 */
49 public EqualsValidator(final String value) {
50 this(value, "valid.equals");
51 }
52
53 /**
54 * エラーメッセージキーを指定するコンストラクタ
55 *
56 * @param value
57 * @param messageKey
58 */
59 public EqualsValidator(final String value, final String messageKey) {
60 this.value = value;
61 this.messageHelper = new MessageHelper(messageKey);
62 }
63
64 public void validate(final ValidationContext context, final Object value) {
65 if (!this.value.equals(value)) {
66 context.addMessageInfo(this.messageHelper.createMessageInfo());
67 }
68 }
69
70 }