Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
AbstractNumberConverter |
|
| 0.0;0 |
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.converter.impl; | |
17 | ||
18 | import java.math.BigDecimal; | |
19 | ||
20 | import org.seasar.cubby.converter.ConversionHelper; | |
21 | ||
22 | /** | |
23 | * {@link Number 数}への変換を行うコンバータの抽象クラスです。 | |
24 | * <p> | |
25 | * 変換元のオブジェクトの文字列表現を値とする{@link BigDecimal}からサブクラスが変換した結果を変換先とします。 | |
26 | * </p> | |
27 | * | |
28 | * @author baba | |
29 | * @since 1.1.0 | |
30 | */ | |
31 | 584 | public abstract class AbstractNumberConverter extends AbstractConverter { |
32 | ||
33 | /** | |
34 | * {@inheritDoc} | |
35 | */ | |
36 | public Object convertToObject(final Object value, final Class<?> objectType, ConversionHelper helper) { | |
37 | 49 | if (value == null) { |
38 | 0 | return null; |
39 | } | |
40 | 49 | return convert(value.toString()); |
41 | } | |
42 | ||
43 | /** | |
44 | * 数を表す文字列から数値に変換して返します。 | |
45 | * | |
46 | * @param number | |
47 | * 数を表す文字列 | |
48 | * @return 変換結果の数値 | |
49 | */ | |
50 | protected Number convert(final String number) { | |
51 | 49 | if (number == null || number.length() == 0) { |
52 | 1 | return null; |
53 | } | |
54 | 48 | final BigDecimal decimal = new BigDecimal(number); |
55 | 48 | return convert(decimal); |
56 | } | |
57 | ||
58 | /** | |
59 | * {@inheritDoc} | |
60 | */ | |
61 | public String convertToString(final Object value, ConversionHelper helper) { | |
62 | 4 | if (value == null) { |
63 | 0 | return null; |
64 | } | |
65 | 4 | return value.toString(); |
66 | } | |
67 | ||
68 | /** | |
69 | * 数値を変換して返します。 | |
70 | * | |
71 | * @param number | |
72 | * 変換元の数値 | |
73 | * @return 変換結果の数値 | |
74 | */ | |
75 | protected abstract Number convert(Number number); | |
76 | ||
77 | } |