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.ArrayFieldValidator;
19 import org.seasar.cubby.validator.MessageHelper;
20 import org.seasar.cubby.validator.ValidationContext;
21
22 /**
23 * 配列の最小サイズを検証します。
24 * <p>
25 * デフォルトエラーメッセージキー:valid.arrayMinSize
26 * </p>
27 *
28 * @author agata
29 * @author baba
30 * @since 1.0.0
31 */
32 public class ArrayMinSizeValidator implements ArrayFieldValidator {
33
34 /**
35 * メッセージヘルパ。
36 */
37 private final MessageHelper messageHelper;
38
39 /**
40 * 配列の最小サイズ
41 */
42 private final int min;
43
44 /**
45 * コンストラクタ
46 *
47 * @param min
48 * 配列の最小サイズ
49 */
50 public ArrayMinSizeValidator(final int min) {
51 this(min, "valid.minSize");
52 }
53
54 /**
55 * エラーメッセージキーを指定するコンストラクタ
56 *
57 * @param min
58 * 配列の最小サイズ
59 * @param messageKey
60 * エラーメッセージキー
61 */
62 public ArrayMinSizeValidator(final int min, final String messageKey) {
63 this.min = min;
64 this.messageHelper = new MessageHelper(messageKey);
65 }
66
67 /**
68 * {@inheritDoc}
69 */
70 public void validate(final ValidationContext context, final Object[] values) {
71 if (values == null) {
72 return;
73 }
74 if (values.length < min) {
75 context.addMessageInfo(this.messageHelper.createMessageInfo(min));
76 }
77 }
78 }