1 /*
2 * Copyright 2012-2013 smartics, Kronseder & Reiner GmbH
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, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package de.smartics.maven.issue.config;
17
18 import java.util.Map;
19
20 import org.apache.commons.lang.StringUtils;
21
22 import com.thoughtworks.xstream.converters.basic.StringConverter;
23
24 /**
25 * Converter for String to strip whitespace from the content of element.
26 */
27 public final class NormalizeWhitespaceStringConverter extends StringConverter
28 {
29 // ********************************* Fields *********************************
30
31 // --- constants ------------------------------------------------------------
32
33 // --- members --------------------------------------------------------------
34
35 // ****************************** Initializer *******************************
36
37 // ****************************** Constructors ******************************
38
39 /**
40 * Constructor.
41 *
42 * @see com.thoughtworks.xstream.converters.basic.StringConverter#StringConverter()
43 */
44 public NormalizeWhitespaceStringConverter()
45 {
46 }
47
48 /**
49 * Constructor.
50 *
51 * @param map the map to use for the instances to reuse (may be null to not
52 * cache at all)
53 * @see com.thoughtworks.xstream.converters.basic.StringConverter#StringConverter(java.util.Map)
54 */
55 public NormalizeWhitespaceStringConverter(final Map<?, ?> map)
56 {
57 super(map);
58 }
59
60 /**
61 * Constructor.
62 *
63 * @param lengthLimit maximum string length of a cached string, -1 to cache
64 * all, 0 to turn off the cache
65 * @see com.thoughtworks.xstream.converters.basic.StringConverter#StringConverter(int)
66 */
67 public NormalizeWhitespaceStringConverter(final int lengthLimit)
68 {
69 super(lengthLimit);
70 }
71
72 /**
73 * Constructor.
74 *
75 * @param map the map to use for the instances to reuse (may be null to not
76 * cache at all)
77 * @param lengthLimit maximum string length of a cached string, -1 to cache
78 * all, 0 to turn off the cache
79 * @see com.thoughtworks.xstream.converters.basic.StringConverter#StringConverter(java.util.Map,
80 * int)
81 */
82 public NormalizeWhitespaceStringConverter(final Map<?, ?> map,
83 final int lengthLimit)
84 {
85 super(map, lengthLimit);
86 }
87
88 // ****************************** Inner Classes *****************************
89
90 // ********************************* Methods ********************************
91
92 // --- init -----------------------------------------------------------------
93
94 // --- get&set --------------------------------------------------------------
95
96 // --- business -------------------------------------------------------------
97
98 /**
99 * {@inheritDoc}
100 * <p>
101 * Trims each string.
102 * </p>
103 *
104 * @see com.thoughtworks.xstream.converters.basic.StringConverter#fromString(java.lang.String)
105 */
106 @Override
107 public Object fromString(final String str)
108 {
109 final String value = (String) super.fromString(str);
110 final String normalized = StringUtils.normalizeSpace(value);
111 return normalized;
112 }
113
114 // --- object basics --------------------------------------------------------
115
116 }