%line | %branch | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
org.apache.commons.configuration.BaseConfiguration |
|
|
1 | /* |
|
2 | * Copyright 2001-2004 The Apache Software Foundation. |
|
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 | ||
17 | package org.apache.commons.configuration; |
|
18 | ||
19 | import java.util.Iterator; |
|
20 | import java.util.Map; |
|
21 | import java.util.List; |
|
22 | import java.util.ArrayList; |
|
23 | ||
24 | import org.apache.commons.collections.map.LinkedMap; |
|
25 | ||
26 | /** |
|
27 | * Basic configuration classe. Stores the configuration data but does not |
|
28 | * provide any load or save functions. If you want to load your Configuration |
|
29 | * from a file use PropertiesConfiguration or XmlConfiguration. |
|
30 | * |
|
31 | * This class extends normal Java properties by adding the possibility |
|
32 | * to use the same key many times concatenating the value strings |
|
33 | * instead of overwriting them. |
|
34 | * |
|
35 | * @author <a href="mailto:stefano@apache.org">Stefano Mazzocchi</a> |
|
36 | * @author <a href="mailto:jon@latchkey.com">Jon S. Stevens</a> |
|
37 | * @author <a href="mailto:daveb@miceda-data">Dave Bryson</a> |
|
38 | * @author <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a> |
|
39 | * @author <a href="mailto:leon@opticode.co.za">Leon Messerschmidt</a> |
|
40 | * @author <a href="mailto:kjohnson@transparent.com">Kent Johnson</a> |
|
41 | * @author <a href="mailto:dlr@finemaltcoding.com">Daniel Rall</a> |
|
42 | * @author <a href="mailto:ipriha@surfeu.fi">Ilkka Priha</a> |
|
43 | * @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a> |
|
44 | * @author <a href="mailto:mpoeschl@marmot.at">Martin Poeschl</a> |
|
45 | * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a> |
|
46 | * @author <a href="mailto:ksh@scand.com">Konstantin Shaposhnikov</a> |
|
47 | * @author <a href="mailto:oliver.heger@t-online.de">Oliver Heger</a> |
|
48 | * @version $Id: BaseConfiguration.java 155408 2005-02-26 12:56:39Z dirkv $ |
|
49 | */ |
|
50 | public class BaseConfiguration extends AbstractConfiguration |
|
51 | { |
|
52 | /** stores the configuration key-value pairs */ |
|
53 | 13964 | private Map store = new LinkedMap(); |
54 | ||
55 | /** |
|
56 | * Empty constructor. You must add all the values to this configuration. |
|
57 | */ |
|
58 | public BaseConfiguration() |
|
59 | { |
|
60 | 13964 | super(); |
61 | 13964 | } |
62 | ||
63 | /** |
|
64 | * Adds a key/value pair to the map. This routine does no magic morphing. |
|
65 | * It ensures the keylist is maintained |
|
66 | * |
|
67 | * @param key key to use for mapping |
|
68 | * @param obj object to store |
|
69 | */ |
|
70 | protected void addPropertyDirect(String key, Object obj) |
|
71 | { |
|
72 | 382004 | Object o = getProperty(key); |
73 | 382004 | Object objAdd = null; |
74 | ||
75 | 382004 | if (o == null) |
76 | { |
|
77 | 224437 | objAdd = obj; |
78 | } |
|
79 | else |
|
80 | { |
|
81 | 157567 | if (o instanceof List) |
82 | { |
|
83 | 45942 | ((List) o).add(obj); |
84 | } |
|
85 | else |
|
86 | { |
|
87 | // The token key is not a list. |
|
88 | 111625 | List list = new ArrayList(); |
89 | ||
90 | // There is an element. Put it into the list |
|
91 | // at the first position |
|
92 | 111625 | list.add(o); |
93 | ||
94 | // Now gobble up the supplied object |
|
95 | 111625 | list.add(obj); |
96 | ||
97 | 111625 | objAdd = list; |
98 | } |
|
99 | } |
|
100 | ||
101 | 382004 | if (objAdd != null) |
102 | { |
|
103 | 336062 | store.put(key, objAdd); |
104 | } |
|
105 | 382004 | } |
106 | ||
107 | /** |
|
108 | * Read property from underlying map. |
|
109 | * |
|
110 | * @param key key to use for mapping |
|
111 | * |
|
112 | * @return object associated with the given configuration key. |
|
113 | */ |
|
114 | public Object getProperty(String key) |
|
115 | { |
|
116 | 410661 | return store.get(key); |
117 | } |
|
118 | ||
119 | /** |
|
120 | * Check if the configuration is empty |
|
121 | * |
|
122 | * @return <code>true</code> if Configuration is empty, |
|
123 | * <code>false</code> otherwise. |
|
124 | */ |
|
125 | public boolean isEmpty() |
|
126 | { |
|
127 | 172 | return store.isEmpty(); |
128 | } |
|
129 | ||
130 | /** |
|
131 | * check if the configuration contains the key |
|
132 | * |
|
133 | * @param key the configuration key |
|
134 | * |
|
135 | * @return <code>true</code> if Configuration contain given key, |
|
136 | * <code>false</code> otherwise. |
|
137 | */ |
|
138 | public boolean containsKey(String key) |
|
139 | { |
|
140 | 26440 | return store.containsKey(key); |
141 | } |
|
142 | ||
143 | /** |
|
144 | * Clear a property in the configuration. |
|
145 | * |
|
146 | * @param key the key to remove along with corresponding value. |
|
147 | */ |
|
148 | public void clearProperty(String key) |
|
149 | { |
|
150 | 18112 | if (containsKey(key)) |
151 | { |
|
152 | 1081 | store.remove(key); |
153 | } |
|
154 | 18112 | } |
155 | ||
156 | /** |
|
157 | * {@inheritDoc} |
|
158 | */ |
|
159 | public void clear() |
|
160 | { |
|
161 | 46 | store.clear(); |
162 | 46 | } |
163 | ||
164 | /** |
|
165 | * Get the list of the keys contained in the configuration |
|
166 | * repository. |
|
167 | * |
|
168 | * @return An Iterator. |
|
169 | */ |
|
170 | public Iterator getKeys() |
|
171 | { |
|
172 | 2525 | return store.keySet().iterator(); |
173 | } |
|
174 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |