Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
NumberValidator |
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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 java.math.BigDecimal; | |
19 | ||
20 | import org.seasar.cubby.validator.MessageHelper; | |
21 | import org.seasar.cubby.validator.ScalarFieldValidator; | |
22 | import org.seasar.cubby.validator.ValidationContext; | |
23 | import org.seasar.framework.util.StringUtil; | |
24 | ||
25 | /** | |
26 | * 数値かどうかを検証します。 | |
27 | * <p> | |
28 | * 数値かどうかの検証は {@link BigDecimal#BigDecimal(String)} で行っています。 | |
29 | * <p> | |
30 | * デフォルトエラーメッセージキー:valid.number | |
31 | * </p> | |
32 | * | |
33 | * @author agata | |
34 | * @author baba | |
35 | * @see BigDecimal#BigDecimal(String) | |
36 | * @since 1.0.0 | |
37 | */ | |
38 | public class NumberValidator implements ScalarFieldValidator { | |
39 | ||
40 | /** | |
41 | * メッセージヘルパ。 | |
42 | */ | |
43 | private final MessageHelper messageHelper; | |
44 | ||
45 | /** | |
46 | * コンストラクタ | |
47 | */ | |
48 | public NumberValidator() { | |
49 | 4 | this("valid.number"); |
50 | 4 | } |
51 | ||
52 | /** | |
53 | * エラーメッセージキーを指定するコンストラクタ | |
54 | * | |
55 | * @param messageKey | |
56 | * エラーメッセージキー | |
57 | */ | |
58 | 4 | public NumberValidator(final String messageKey) { |
59 | 4 | this.messageHelper = new MessageHelper(messageKey); |
60 | 4 | } |
61 | ||
62 | /** | |
63 | * {@inheritDoc} | |
64 | */ | |
65 | public void validate(final ValidationContext context, final Object value) { | |
66 | 7 | if (value instanceof String) { |
67 | 7 | final String str = (String) value; |
68 | 7 | if (StringUtil.isEmpty(str)) { |
69 | 0 | return; |
70 | } | |
71 | try { | |
72 | 7 | new BigDecimal(str); |
73 | 4 | return; |
74 | 3 | } catch (final NumberFormatException e) { |
75 | } | |
76 | 3 | } else if (value == null) { |
77 | 0 | return; |
78 | } | |
79 | 3 | context.addMessageInfo(this.messageHelper.createMessageInfo()); |
80 | 3 | } |
81 | ||
82 | } |