Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ConfigurationMap |
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| 1.0625;1,062 | ||||
ConfigurationMap$1 |
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| 1.0625;1,062 | ||||
ConfigurationMap$ConfigurationSet |
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| 1.0625;1,062 | ||||
ConfigurationMap$ConfigurationSet$ConfigurationSetIterator |
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| 1.0625;1,062 | ||||
ConfigurationMap$ConfigurationSet$Entry |
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| 1.0625;1,062 |
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 | ||
18 | package org.apache.commons.configuration; | |
19 | ||
20 | import java.util.AbstractMap; | |
21 | import java.util.AbstractSet; | |
22 | import java.util.Iterator; | |
23 | import java.util.Map; | |
24 | import java.util.Set; | |
25 | ||
26 | /** | |
27 | * <p>The <code>ConfigurationMap</code> wraps a | |
28 | * configuration-collection | |
29 | * {@link org.apache.commons.configuration.Configuration} | |
30 | * instance to provide a <code>Map</code> interface.</p> | |
31 | * | |
32 | * <p><em>Note:</em> This implementation is incomplete.</p> | |
33 | * | |
34 | * @author <a href="mailto:ricardo.gladwell@btinternet.com">Ricardo Gladwell</a> | |
35 | * @version $Revision: 439648 $, $Date: 2006-09-02 22:42:10 +0200 (Sa, 02 Sep 2006) $ | |
36 | * @since 1.0 | |
37 | */ | |
38 | public class ConfigurationMap extends AbstractMap | |
39 | { | |
40 | /** | |
41 | * The <code>Configuration</code> wrapped by this class. | |
42 | */ | |
43 | private Configuration configuration; | |
44 | ||
45 | /** | |
46 | * Creates a new instance of a <code>ConfigurationMap</code> | |
47 | * that wraps the specified <code>Configuration</code> | |
48 | * instance. | |
49 | * @param configuration <code>Configuration</code> | |
50 | * instance. | |
51 | */ | |
52 | public ConfigurationMap(Configuration configuration) | |
53 | 41 | { |
54 | 41 | this.configuration = configuration; |
55 | 41 | } |
56 | ||
57 | /** | |
58 | * Returns the wrapped <code>Configuration</code> object. | |
59 | * | |
60 | * @return the wrapped configuration | |
61 | * @since 1.2 | |
62 | */ | |
63 | public Configuration getConfiguration() | |
64 | { | |
65 | 2003 | return configuration; |
66 | } | |
67 | ||
68 | /** | |
69 | * @see java.util.Map#entrySet() | |
70 | */ | |
71 | public Set entrySet() | |
72 | { | |
73 | 0 | return new ConfigurationSet(configuration); |
74 | } | |
75 | ||
76 | /** | |
77 | * @see java.util.Map#put(java.lang.Object, java.lang.Object) | |
78 | */ | |
79 | public Object put(Object key, Object value) | |
80 | { | |
81 | 7 | String strKey = String.valueOf(key); |
82 | 7 | Object old = configuration.getProperty(strKey); |
83 | 7 | configuration.setProperty(strKey, value); |
84 | 7 | return old; |
85 | } | |
86 | ||
87 | /** | |
88 | * @see java.util.Map#get(java.lang.Object) | |
89 | */ | |
90 | public Object get(Object key) | |
91 | { | |
92 | 8 | return configuration.getProperty(String.valueOf(key)); |
93 | } | |
94 | ||
95 | /** | |
96 | * Set of entries in the map. | |
97 | */ | |
98 | 8 | static class ConfigurationSet extends AbstractSet |
99 | { | |
100 | /** The configuration mapped to this entry set. */ | |
101 | private Configuration configuration; | |
102 | ||
103 | /** | |
104 | * A Map entry in the ConfigurationMap. | |
105 | */ | |
106 | 7 | private final class Entry implements Map.Entry |
107 | { | |
108 | /** The key of the map entry. */ | |
109 | private Object key; | |
110 | ||
111 | private Entry(Object key) | |
112 | 7 | { |
113 | 7 | this.key = key; |
114 | 7 | } |
115 | ||
116 | public Object getKey() | |
117 | { | |
118 | 56 | return key; |
119 | } | |
120 | ||
121 | public Object getValue() | |
122 | { | |
123 | 7 | return configuration.getProperty((String) key); |
124 | } | |
125 | ||
126 | public Object setValue(Object value) | |
127 | { | |
128 | 0 | Object old = getValue(); |
129 | 0 | configuration.setProperty((String) key, value); |
130 | 0 | return old; |
131 | } | |
132 | } | |
133 | ||
134 | /** | |
135 | * Iterator over the entries in the ConfigurationMap. | |
136 | */ | |
137 | 1 | private final class ConfigurationSetIterator implements Iterator |
138 | { | |
139 | /** An iterator over the keys in the configuration. */ | |
140 | private Iterator keys; | |
141 | ||
142 | private ConfigurationSetIterator() | |
143 | 1 | { |
144 | 1 | keys = configuration.getKeys(); |
145 | 1 | } |
146 | ||
147 | public boolean hasNext() | |
148 | { | |
149 | 8 | return keys.hasNext(); |
150 | } | |
151 | ||
152 | public Object next() | |
153 | { | |
154 | 7 | return new Entry(keys.next()); |
155 | } | |
156 | ||
157 | public void remove() | |
158 | { | |
159 | 7 | keys.remove(); |
160 | 7 | } |
161 | } | |
162 | ||
163 | ConfigurationSet(Configuration configuration) | |
164 | 2 | { |
165 | 2 | this.configuration = configuration; |
166 | 2 | } |
167 | ||
168 | /** | |
169 | * @see java.util.Collection#size() | |
170 | */ | |
171 | public int size() | |
172 | { | |
173 | // Ouch. Now _that_ one is expensive... | |
174 | 2 | int count = 0; |
175 | 11 | for (Iterator iterator = configuration.getKeys(); iterator.hasNext();) |
176 | { | |
177 | 7 | iterator.next(); |
178 | 7 | count++; |
179 | } | |
180 | 2 | return count; |
181 | } | |
182 | ||
183 | /** | |
184 | * @see java.util.Collection#iterator() | |
185 | */ | |
186 | public Iterator iterator() | |
187 | { | |
188 | 1 | return new ConfigurationSetIterator(); |
189 | } | |
190 | } | |
191 | } |