Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
CharacterConverter |
|
| 2.75;2.75 |
1 | /* | |
2 | * Copyright 2004-2009 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 org.seasar.cubby.converter.ConversionHelper; | |
19 | ||
20 | /** | |
21 | * 任意のオブジェクトから{@link Character}への変換を行うコンバータです。 | |
22 | * <p> | |
23 | * 変換元のオブジェクトの文字列表現の先頭の文字を表す{@link Character}へ変換します。 そうでない場合は <code>null</code> | |
24 | * とします。 | |
25 | * </p> | |
26 | * | |
27 | * @author baba | |
28 | */ | |
29 | 19 | public class CharacterConverter extends AbstractConverter { |
30 | ||
31 | /** | |
32 | * {@inheritDoc} | |
33 | */ | |
34 | public Class<?> getObjectType() { | |
35 | 147 | return Character.class; |
36 | } | |
37 | ||
38 | /** | |
39 | * {@inheritDoc} | |
40 | */ | |
41 | public Object convertToObject(final Object value, | |
42 | final Class<?> objectType, final ConversionHelper helper) { | |
43 | 6 | if (value == null) { |
44 | 0 | return null; |
45 | } | |
46 | 6 | return toCharacter(value.toString()); |
47 | } | |
48 | ||
49 | /** | |
50 | * 文字列を{@link Character}に変換します。 | |
51 | * | |
52 | * @param value | |
53 | * 文字列 | |
54 | * @return 文字列を変換した{@link Character} | |
55 | */ | |
56 | protected Object toCharacter(final String value) { | |
57 | 6 | if (value == null || value.length() == 0) { |
58 | 0 | return 0; |
59 | } | |
60 | 6 | return value.charAt(0); |
61 | } | |
62 | ||
63 | /** | |
64 | * {@inheritDoc} | |
65 | */ | |
66 | public String convertToString(final Object value, | |
67 | final ConversionHelper helper) { | |
68 | 0 | if (value == null) { |
69 | 0 | return null; |
70 | } | |
71 | 0 | return new String(new char[] { (Character) value }); |
72 | } | |
73 | ||
74 | } |