Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
CharacterConverter |
|
| 1.2;1.2 |
1 | /* | |
2 | * Licensed to the Apache Software Foundation (ASF) under one or more | |
3 | * contributor license agreements. See the NOTICE file distributed with | |
4 | * this work for additional information regarding copyright ownership. | |
5 | * The ASF licenses this file to You under the Apache License, Version 2.0 | |
6 | * (the "License"); you may not use this file except in compliance with | |
7 | * the License. You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, software | |
12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 | * See the License for the specific language governing permissions and | |
15 | * limitations under the License. | |
16 | */ | |
17 | package org.apache.commons.beanutils.converters; | |
18 | ||
19 | /** | |
20 | * {@link org.apache.commons.beanutils.Converter} implementaion that handles conversion | |
21 | * to and from <b>java.lang.Character</b> objects. | |
22 | * <p> | |
23 | * Can be configured to either return a <i>default value</i> or throw a | |
24 | * <code>ConversionException</code> if a conversion error occurs. | |
25 | * | |
26 | * @author Craig R. McClanahan | |
27 | * @version $Revision: 690380 $ $Date: 2008-08-29 16:04:38 -0400 (Fri, 29 Aug 2008) $ | |
28 | * @since 1.3 | |
29 | */ | |
30 | public final class CharacterConverter extends AbstractConverter { | |
31 | ||
32 | /** | |
33 | * Construct a <b>java.lang.Character</b> <i>Converter</i> that throws | |
34 | * a <code>ConversionException</code> if an error occurs. | |
35 | */ | |
36 | public CharacterConverter() { | |
37 | 714 | super(); |
38 | 714 | } |
39 | ||
40 | /** | |
41 | * Construct a <b>java.lang.Character</b> <i>Converter</i> that returns | |
42 | * a default value if an error occurs. | |
43 | * | |
44 | * @param defaultValue The default value to be returned | |
45 | * if the value to be converted is missing or an error | |
46 | * occurs converting the value. | |
47 | */ | |
48 | public CharacterConverter(Object defaultValue) { | |
49 | 713 | super(defaultValue); |
50 | 713 | } |
51 | ||
52 | /** | |
53 | * Return the default type this <code>Converter</code> handles. | |
54 | * | |
55 | * @return The default type this <code>Converter</code> handles. | |
56 | * @since 1.8.0 | |
57 | */ | |
58 | protected Class getDefaultType() { | |
59 | 713 | return Character.class; |
60 | } | |
61 | ||
62 | /** | |
63 | * <p>Convert a java.lang.Class or object into a String.</p> | |
64 | * | |
65 | * @param value The input value to be converted | |
66 | * @return the converted String value. | |
67 | * @since 1.8.0 | |
68 | */ | |
69 | protected String convertToString(Object value) { | |
70 | 3 | String strValue = value.toString(); |
71 | 3 | return strValue.length() == 0 ? "" : strValue.substring(0, 1); |
72 | } | |
73 | ||
74 | /** | |
75 | * <p>Convert the input object into a java.lang.Character.</p> | |
76 | * | |
77 | * @param type Data type to which this value should be converted. | |
78 | * @param value The input value to be converted. | |
79 | * @return The converted value. | |
80 | * @throws Exception if conversion cannot be performed successfully | |
81 | * @since 1.8.0 | |
82 | */ | |
83 | protected Object convertToType(Class type, Object value) throws Exception { | |
84 | 5 | return new Character(value.toString().charAt(0)); |
85 | } | |
86 | ||
87 | } |