Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
MaxLengthValidator |
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| 3.3333333333333335;3.333 |
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 | import org.seasar.framework.util.StringUtil; | |
22 | ||
23 | /** | |
24 | * 最大文字数を検証します。 | |
25 | * <p> | |
26 | * String#length()メソッドで文字列の長さを求めます。文字列のバイト数でないこと、半角全角も1文字としてカウントされることに注意してください。 | |
27 | * </p> | |
28 | * <p> | |
29 | * デフォルトエラーメッセージキー:valid.maxLength | |
30 | * </p> | |
31 | * | |
32 | * @author agata | |
33 | * @author baba | |
34 | * @see String#length() | |
35 | * @since 1.0.0 | |
36 | */ | |
37 | public class MaxLengthValidator implements ScalarFieldValidator { | |
38 | ||
39 | /** | |
40 | * メッセージヘルパ。 | |
41 | */ | |
42 | private final MessageHelper messageHelper; | |
43 | ||
44 | /** | |
45 | * 最大文字数 | |
46 | */ | |
47 | private final int max; | |
48 | ||
49 | /** | |
50 | * コンストラクタ | |
51 | * | |
52 | * @param max | |
53 | * 最大文字数 | |
54 | */ | |
55 | public MaxLengthValidator(final int max) { | |
56 | 10 | this(max, "valid.maxLength"); |
57 | 10 | } |
58 | ||
59 | /** | |
60 | * エラーメッセージキーを指定するコンストラクタ | |
61 | * | |
62 | * @param max | |
63 | * 最大文字数 | |
64 | * @param messageKey | |
65 | * エラーメッセージキー | |
66 | */ | |
67 | 10 | public MaxLengthValidator(final int max, final String messageKey) { |
68 | 10 | this.max = max; |
69 | 10 | this.messageHelper = new MessageHelper(messageKey); |
70 | 10 | } |
71 | ||
72 | /** | |
73 | * {@inheritDoc} | |
74 | */ | |
75 | public void validate(final ValidationContext context, final Object value) { | |
76 | 3 | if (value instanceof String) { |
77 | 3 | final String str = (String) value; |
78 | 3 | if (StringUtil.isEmpty((String) value)) { |
79 | 1 | return; |
80 | } | |
81 | 2 | if (str.length() <= max) { |
82 | 2 | return; |
83 | } | |
84 | 0 | } else if (value == null) { |
85 | 0 | return; |
86 | } | |
87 | 0 | context.addMessageInfo(this.messageHelper.createMessageInfo(max)); |
88 | 0 | } |
89 | } |