1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
|
8 | |
|
9 | |
|
10 | |
|
11 | |
|
12 | |
|
13 | |
|
14 | |
|
15 | |
|
16 | |
|
17 | |
|
18 | |
package org.apache.commons.configuration; |
19 | |
|
20 | |
import java.util.ArrayList; |
21 | |
import java.util.Collection; |
22 | |
import java.util.Iterator; |
23 | |
import java.util.LinkedList; |
24 | |
import java.util.List; |
25 | |
|
26 | |
|
27 | |
|
28 | |
|
29 | |
|
30 | |
|
31 | |
|
32 | |
|
33 | |
|
34 | |
|
35 | |
|
36 | |
|
37 | |
public class CompositeConfiguration extends AbstractConfiguration |
38 | |
implements Cloneable |
39 | |
{ |
40 | |
|
41 | 109 | private List configList = new LinkedList(); |
42 | |
|
43 | |
|
44 | |
|
45 | |
|
46 | |
|
47 | |
private Configuration inMemoryConfiguration; |
48 | |
|
49 | |
|
50 | |
|
51 | |
|
52 | |
|
53 | |
public CompositeConfiguration() |
54 | 104 | { |
55 | 104 | clear(); |
56 | 104 | } |
57 | |
|
58 | |
|
59 | |
|
60 | |
|
61 | |
|
62 | |
|
63 | |
|
64 | |
|
65 | |
public CompositeConfiguration(Configuration inMemoryConfiguration) |
66 | 5 | { |
67 | 5 | configList.clear(); |
68 | 5 | this.inMemoryConfiguration = inMemoryConfiguration; |
69 | 5 | configList.add(inMemoryConfiguration); |
70 | 5 | } |
71 | |
|
72 | |
|
73 | |
|
74 | |
|
75 | |
|
76 | |
|
77 | |
|
78 | |
public CompositeConfiguration(Collection configurations) |
79 | |
{ |
80 | 1 | this(new BaseConfiguration(), configurations); |
81 | 1 | } |
82 | |
|
83 | |
|
84 | |
|
85 | |
|
86 | |
|
87 | |
|
88 | |
|
89 | |
|
90 | |
public CompositeConfiguration(Configuration inMemoryConfiguration, Collection configurations) |
91 | |
{ |
92 | 1 | this(inMemoryConfiguration); |
93 | |
|
94 | 1 | if (configurations != null) |
95 | |
{ |
96 | 1 | Iterator it = configurations.iterator(); |
97 | 5 | while (it.hasNext()) |
98 | |
{ |
99 | 3 | addConfiguration((Configuration) it.next()); |
100 | |
} |
101 | |
} |
102 | 1 | } |
103 | |
|
104 | |
|
105 | |
|
106 | |
|
107 | |
|
108 | |
|
109 | |
public void addConfiguration(Configuration config) |
110 | |
{ |
111 | 149 | if (!configList.contains(config)) |
112 | |
{ |
113 | |
|
114 | |
|
115 | |
|
116 | |
|
117 | 147 | configList.add(configList.indexOf(inMemoryConfiguration), config); |
118 | |
|
119 | 147 | if (config instanceof AbstractConfiguration) |
120 | |
{ |
121 | 147 | ((AbstractConfiguration) config).setThrowExceptionOnMissing(isThrowExceptionOnMissing()); |
122 | |
} |
123 | |
} |
124 | 149 | } |
125 | |
|
126 | |
|
127 | |
|
128 | |
|
129 | |
|
130 | |
|
131 | |
public void removeConfiguration(Configuration config) |
132 | |
{ |
133 | |
|
134 | |
|
135 | 4 | if (!config.equals(inMemoryConfiguration)) |
136 | |
{ |
137 | 2 | configList.remove(config); |
138 | |
} |
139 | 4 | } |
140 | |
|
141 | |
|
142 | |
|
143 | |
|
144 | |
|
145 | |
|
146 | |
public int getNumberOfConfigurations() |
147 | |
{ |
148 | 31 | return configList.size(); |
149 | |
} |
150 | |
|
151 | |
|
152 | |
|
153 | |
|
154 | |
public void clear() |
155 | |
{ |
156 | 112 | configList.clear(); |
157 | |
|
158 | 112 | inMemoryConfiguration = new BaseConfiguration(); |
159 | 112 | ((BaseConfiguration) inMemoryConfiguration).setThrowExceptionOnMissing(isThrowExceptionOnMissing()); |
160 | 112 | configList.add(inMemoryConfiguration); |
161 | 112 | } |
162 | |
|
163 | |
|
164 | |
|
165 | |
|
166 | |
|
167 | |
|
168 | |
|
169 | |
protected void addPropertyDirect(String key, Object token) |
170 | |
{ |
171 | 21 | inMemoryConfiguration.addProperty(key, token); |
172 | 21 | } |
173 | |
|
174 | |
|
175 | |
|
176 | |
|
177 | |
|
178 | |
|
179 | |
|
180 | |
|
181 | |
public Object getProperty(String key) |
182 | |
{ |
183 | 122 | Configuration firstMatchingConfiguration = null; |
184 | 334 | for (Iterator i = configList.iterator(); i.hasNext();) |
185 | |
{ |
186 | 187 | Configuration config = (Configuration) i.next(); |
187 | 187 | if (config.containsKey(key)) |
188 | |
{ |
189 | 97 | firstMatchingConfiguration = config; |
190 | 97 | break; |
191 | |
} |
192 | |
} |
193 | |
|
194 | 122 | if (firstMatchingConfiguration != null) |
195 | |
{ |
196 | 97 | return firstMatchingConfiguration.getProperty(key); |
197 | |
} |
198 | |
else |
199 | |
{ |
200 | 25 | return null; |
201 | |
} |
202 | |
} |
203 | |
|
204 | |
|
205 | |
|
206 | |
|
207 | |
public Iterator getKeys() |
208 | |
{ |
209 | 14 | List keys = new ArrayList(); |
210 | 52 | for (Iterator i = configList.iterator(); i.hasNext();) |
211 | |
{ |
212 | 24 | Configuration config = (Configuration) i.next(); |
213 | |
|
214 | 24 | Iterator j = config.getKeys(); |
215 | 174 | while (j.hasNext()) |
216 | |
{ |
217 | 126 | String key = (String) j.next(); |
218 | 126 | if (!keys.contains(key)) |
219 | |
{ |
220 | 125 | keys.add(key); |
221 | |
} |
222 | |
} |
223 | |
} |
224 | |
|
225 | 14 | return keys.iterator(); |
226 | |
} |
227 | |
|
228 | |
|
229 | |
|
230 | |
|
231 | |
public Iterator getKeys(String key) |
232 | |
{ |
233 | 9 | List keys = new ArrayList(); |
234 | 40 | for (Iterator i = configList.iterator(); i.hasNext();) |
235 | |
{ |
236 | 22 | Configuration config = (Configuration) i.next(); |
237 | |
|
238 | 22 | Iterator j = config.getKeys(key); |
239 | 240 | while (j.hasNext()) |
240 | |
{ |
241 | 196 | String newKey = (String) j.next(); |
242 | 196 | if (!keys.contains(newKey)) |
243 | |
{ |
244 | 194 | keys.add(newKey); |
245 | |
} |
246 | |
} |
247 | |
} |
248 | |
|
249 | 9 | return keys.iterator(); |
250 | |
} |
251 | |
|
252 | |
|
253 | |
|
254 | |
|
255 | |
public boolean isEmpty() |
256 | |
{ |
257 | 4 | boolean isEmpty = true; |
258 | 8 | for (Iterator i = configList.iterator(); i.hasNext();) |
259 | |
{ |
260 | 4 | Configuration config = (Configuration) i.next(); |
261 | 4 | if (!config.isEmpty()) |
262 | |
{ |
263 | 4 | return false; |
264 | |
} |
265 | |
} |
266 | |
|
267 | 0 | return isEmpty; |
268 | |
} |
269 | |
|
270 | |
|
271 | |
|
272 | |
|
273 | |
public void clearProperty(String key) |
274 | |
{ |
275 | 60 | for (Iterator i = configList.iterator(); i.hasNext();) |
276 | |
{ |
277 | 32 | Configuration config = (Configuration) i.next(); |
278 | 32 | config.clearProperty(key); |
279 | |
} |
280 | 14 | } |
281 | |
|
282 | |
|
283 | |
|
284 | |
|
285 | |
public boolean containsKey(String key) |
286 | |
{ |
287 | 134 | for (Iterator i = configList.iterator(); i.hasNext();) |
288 | |
{ |
289 | 70 | Configuration config = (Configuration) i.next(); |
290 | 70 | if (config.containsKey(key)) |
291 | |
{ |
292 | 44 | return true; |
293 | |
} |
294 | |
} |
295 | 10 | return false; |
296 | |
} |
297 | |
|
298 | |
|
299 | |
|
300 | |
|
301 | |
public List getList(String key, List defaultValue) |
302 | |
{ |
303 | 43 | List list = new ArrayList(); |
304 | |
|
305 | |
|
306 | 43 | Iterator it = configList.iterator(); |
307 | 144 | while (it.hasNext() && list.isEmpty()) |
308 | |
{ |
309 | 58 | Configuration config = (Configuration) it.next(); |
310 | 58 | if (config != inMemoryConfiguration && config.containsKey(key)) |
311 | |
{ |
312 | 31 | list.addAll(config.getList(key)); |
313 | |
} |
314 | |
} |
315 | |
|
316 | |
|
317 | 43 | list.addAll(inMemoryConfiguration.getList(key)); |
318 | |
|
319 | 43 | if (list.isEmpty()) |
320 | |
{ |
321 | 5 | return defaultValue; |
322 | |
} |
323 | |
|
324 | 38 | return list; |
325 | |
} |
326 | |
|
327 | |
|
328 | |
|
329 | |
|
330 | |
public String[] getStringArray(String key) |
331 | |
{ |
332 | 13 | List list = getList(key); |
333 | |
|
334 | |
|
335 | 13 | String[] tokens = new String[list.size()]; |
336 | |
|
337 | 33 | for (int i = 0; i < tokens.length; i++) |
338 | |
{ |
339 | 20 | tokens[i] = interpolate(String.valueOf(list.get(i))); |
340 | |
} |
341 | |
|
342 | 13 | return tokens; |
343 | |
} |
344 | |
|
345 | |
|
346 | |
|
347 | |
|
348 | |
|
349 | |
|
350 | |
|
351 | |
public Configuration getConfiguration(int index) |
352 | |
{ |
353 | 28 | return (Configuration) configList.get(index); |
354 | |
} |
355 | |
|
356 | |
|
357 | |
|
358 | |
|
359 | |
|
360 | |
|
361 | |
|
362 | |
public Configuration getInMemoryConfiguration() |
363 | |
{ |
364 | 7 | return inMemoryConfiguration; |
365 | |
} |
366 | |
|
367 | |
|
368 | |
|
369 | |
|
370 | |
|
371 | |
|
372 | |
|
373 | |
|
374 | |
|
375 | |
|
376 | |
|
377 | |
public Object clone() |
378 | |
{ |
379 | |
try |
380 | |
{ |
381 | 3 | CompositeConfiguration copy = (CompositeConfiguration) super |
382 | |
.clone(); |
383 | 3 | copy.clearConfigurationListeners(); |
384 | 3 | copy.configList = new LinkedList(); |
385 | 3 | copy.inMemoryConfiguration = ConfigurationUtils |
386 | |
.cloneConfiguration(getInMemoryConfiguration()); |
387 | 3 | copy.configList.add(copy.inMemoryConfiguration); |
388 | |
|
389 | 5 | for (int i = 0; i < getNumberOfConfigurations(); i++) |
390 | |
{ |
391 | 3 | Configuration config = getConfiguration(i); |
392 | 3 | if (config != getInMemoryConfiguration()) |
393 | |
{ |
394 | 1 | copy.addConfiguration(ConfigurationUtils |
395 | |
.cloneConfiguration(config)); |
396 | |
} |
397 | |
} |
398 | |
|
399 | 2 | return copy; |
400 | |
} |
401 | |
catch (CloneNotSupportedException cnex) |
402 | |
{ |
403 | |
|
404 | 0 | throw new ConfigurationRuntimeException(cnex); |
405 | |
} |
406 | |
} |
407 | |
} |