svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.spi / src / main / java / org / gvsig / fmap / dal / feature / spi / AbstractFeatureStoreProvider.java @ 44198
History | View | Annotate | Download (16.3 KB)
1 |
/**
|
---|---|
2 |
* gvSIG. Desktop Geographic Information System.
|
3 |
*
|
4 |
* Copyright (C) 2007-2013 gvSIG Association.
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU General Public License
|
8 |
* as published by the Free Software Foundation; either version 3
|
9 |
* of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
19 |
* MA 02110-1301, USA.
|
20 |
*
|
21 |
* For any additional information, do not hesitate to contact us
|
22 |
* at info AT gvsig.com, or visit our website www.gvsig.com.
|
23 |
*/
|
24 |
|
25 |
package org.gvsig.fmap.dal.feature.spi; |
26 |
|
27 |
import java.io.File; |
28 |
import java.util.Collection; |
29 |
import java.util.Iterator; |
30 |
|
31 |
import org.apache.commons.io.FileUtils; |
32 |
import org.apache.commons.io.FilenameUtils; |
33 |
import org.cresques.cts.ICRSFactory; |
34 |
import org.cresques.cts.IProjection; |
35 |
import org.gvsig.expressionevaluator.ExpressionBuilder; |
36 |
import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator; |
37 |
import org.slf4j.Logger; |
38 |
import org.slf4j.LoggerFactory; |
39 |
|
40 |
import org.gvsig.fmap.dal.DALLocator; |
41 |
import org.gvsig.fmap.dal.DataServerExplorer; |
42 |
import org.gvsig.fmap.dal.DataStoreParameters; |
43 |
import org.gvsig.fmap.dal.exception.CloseException; |
44 |
import org.gvsig.fmap.dal.exception.DataException; |
45 |
import org.gvsig.fmap.dal.exception.InitializeException; |
46 |
import org.gvsig.fmap.dal.exception.OpenException; |
47 |
import org.gvsig.fmap.dal.exception.ReadException; |
48 |
import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
49 |
import org.gvsig.fmap.dal.feature.FeatureLocks; |
50 |
import org.gvsig.fmap.dal.feature.FeatureReference; |
51 |
import org.gvsig.fmap.dal.feature.FeatureSelection; |
52 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
53 |
import org.gvsig.fmap.dal.feature.FeatureType; |
54 |
import org.gvsig.fmap.dal.resource.ResourceAction; |
55 |
import org.gvsig.fmap.dal.resource.ResourceManager; |
56 |
import org.gvsig.fmap.dal.resource.spi.ResourceManagerProviderServices; |
57 |
import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
58 |
import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
59 |
import org.gvsig.fmap.geom.primitive.Envelope; |
60 |
import org.gvsig.timesupport.Interval; |
61 |
import org.gvsig.tools.dispose.impl.AbstractDisposable; |
62 |
import org.gvsig.tools.dynobject.DelegatedDynObject; |
63 |
import org.gvsig.tools.dynobject.DynClass; |
64 |
import org.gvsig.tools.dynobject.DynObject; |
65 |
import org.gvsig.tools.dynobject.DynObject_v2; |
66 |
import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
67 |
import org.gvsig.tools.dynobject.exception.DynMethodException; |
68 |
import org.gvsig.tools.exception.BaseException; |
69 |
|
70 |
/**
|
71 |
* Abstract implementation of {@link FeatureStoreProvider}
|
72 |
*
|
73 |
*/
|
74 |
public abstract class AbstractFeatureStoreProvider extends AbstractDisposable |
75 |
implements FeatureStoreProvider_v2 {
|
76 |
|
77 |
private FeatureStoreProviderServices store;
|
78 |
private DelegatedDynObject metadata;
|
79 |
private DataStoreParameters parameters;
|
80 |
|
81 |
private static final Logger logger = LoggerFactory.getLogger(AbstractFeatureStoreProvider.class); |
82 |
|
83 |
|
84 |
/**
|
85 |
* Default Constructor.
|
86 |
*
|
87 |
* @param params
|
88 |
* @param storeServices
|
89 |
* @param metadata
|
90 |
*/
|
91 |
protected AbstractFeatureStoreProvider(DataStoreParameters params,
|
92 |
DataStoreProviderServices storeServices, DynObject metadata) { |
93 |
this.store = (FeatureStoreProviderServices) storeServices;
|
94 |
this.metadata = (DelegatedDynObject) metadata;
|
95 |
this.parameters = params;
|
96 |
} |
97 |
|
98 |
/**
|
99 |
* Constructor when cannot create metada in constrution time. <br>
|
100 |
* <br>
|
101 |
* <strong>Note: </strong> Don't use it if not is necesary. Set metada
|
102 |
* <strong>as soon as posible</strong> by
|
103 |
* {@link AbstractFeatureStoreProvider#setMetadata(DynObject)}
|
104 |
*
|
105 |
* @param params
|
106 |
* @param storeServices
|
107 |
*/
|
108 |
protected AbstractFeatureStoreProvider(DataStoreParameters params,
|
109 |
DataStoreProviderServices storeServices) { |
110 |
this.store = (FeatureStoreProviderServices) storeServices;
|
111 |
this.metadata = null; |
112 |
this.parameters = params;
|
113 |
} |
114 |
|
115 |
public final FeatureProvider getFeatureProviderByReference( |
116 |
final FeatureReferenceProviderServices reference)
|
117 |
throws DataException {
|
118 |
this.open();
|
119 |
FeatureProvider featureProvider = (FeatureProvider) getResource() |
120 |
.execute(new ResourceAction() {
|
121 |
public Object run() throws Exception { |
122 |
return internalGetFeatureProviderByReference(reference);
|
123 |
} |
124 |
public String toString() { |
125 |
return "getFeatureByReference"; |
126 |
} |
127 |
|
128 |
}); |
129 |
|
130 |
if (featureProvider == null) { |
131 |
throw new FeatureProviderNotFoundException(reference); |
132 |
} |
133 |
|
134 |
return featureProvider;
|
135 |
} |
136 |
|
137 |
public final FeatureProvider getFeatureProviderByReference( |
138 |
final FeatureReferenceProviderServices reference,
|
139 |
final FeatureType featureType) throws DataException { |
140 |
this.open();
|
141 |
FeatureProvider featureProvider = (FeatureProvider) getResource() |
142 |
.execute(new ResourceAction() {
|
143 |
public Object run() throws Exception { |
144 |
return internalGetFeatureProviderByReference(reference,
|
145 |
featureType); |
146 |
} |
147 |
}); |
148 |
|
149 |
if (featureProvider == null) { |
150 |
throw new FeatureProviderNotFoundException(reference); |
151 |
} |
152 |
|
153 |
return featureProvider;
|
154 |
} |
155 |
|
156 |
/**
|
157 |
* Returns a {@link FeatureProvider} by reference, using the default
|
158 |
* {@link FeatureType}. This method may be rewritten by the child classes as
|
159 |
* an implementation of the
|
160 |
* {@link #getFeatureProviderByReference(FeatureReferenceProviderServices)}
|
161 |
* method.
|
162 |
*
|
163 |
* @param reference
|
164 |
* the reference to the {@link FeatureProvider}
|
165 |
* @return the {@link FeatureProvider} being referenced
|
166 |
* @throws DataException
|
167 |
* if there is an error loading the {@link FeatureProvider}
|
168 |
*/
|
169 |
protected FeatureProvider internalGetFeatureProviderByReference(
|
170 |
FeatureReferenceProviderServices reference) throws DataException {
|
171 |
return internalGetFeatureProviderByReference(reference,
|
172 |
getStoreServices().getDefaultFeatureType()); |
173 |
} |
174 |
|
175 |
/**
|
176 |
* Set metada container if this not set at construction time and only in one
|
177 |
* time. In other case an Exception will be throw
|
178 |
*
|
179 |
* @param metadata
|
180 |
*/
|
181 |
protected void setMetadata(DynObject metadata) { |
182 |
if (this.metadata != null) { |
183 |
// FIXME Exception
|
184 |
throw new IllegalStateException(); |
185 |
} |
186 |
this.metadata = (DelegatedDynObject) metadata;
|
187 |
} |
188 |
|
189 |
/**
|
190 |
* @return the parameters
|
191 |
*/
|
192 |
public DataStoreParameters getParameters() {
|
193 |
return parameters;
|
194 |
} |
195 |
|
196 |
/**
|
197 |
* Create or get a resource of <code>type</code> for <code>params</code> in
|
198 |
* {@link ResourceManager}
|
199 |
*
|
200 |
* @param type
|
201 |
* @param params
|
202 |
* @return
|
203 |
* @throws InitializeException
|
204 |
*/
|
205 |
protected ResourceProvider createResource(String type, Object[] params) |
206 |
throws InitializeException {
|
207 |
ResourceManagerProviderServices manager = (ResourceManagerProviderServices) DALLocator |
208 |
.getResourceManager(); |
209 |
ResourceProvider resource = manager.createAddResource(type, params); |
210 |
return resource;
|
211 |
} |
212 |
|
213 |
/*
|
214 |
* (non-Javadoc)
|
215 |
*
|
216 |
* @see
|
217 |
* org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#getStoreServices()
|
218 |
*/
|
219 |
public FeatureStoreProviderServices getStoreServices() {
|
220 |
return this.store; |
221 |
} |
222 |
|
223 |
public FeatureStore getFeatureStore() {
|
224 |
if(this.store == null){ |
225 |
return null; |
226 |
} |
227 |
return this.store.getFeatureStore(); |
228 |
} |
229 |
|
230 |
/**
|
231 |
* unsupported by default, override this otherwise
|
232 |
*
|
233 |
* @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#allowWrite()
|
234 |
*/
|
235 |
public boolean allowWrite() { |
236 |
return false; |
237 |
} |
238 |
|
239 |
/**
|
240 |
* unsupported by default, override this otherwise
|
241 |
*
|
242 |
* @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#performChanges(Iterator,
|
243 |
* Iterator, Iterator, Iterator)
|
244 |
*/
|
245 |
|
246 |
public void performChanges(Iterator deleteds, Iterator inserteds, |
247 |
Iterator updateds, Iterator featureTypesChanged) |
248 |
throws DataException {
|
249 |
// FIXME exception
|
250 |
throw new UnsupportedOperationException(); |
251 |
|
252 |
} |
253 |
|
254 |
/**
|
255 |
* unsupported by default, override this otherwise
|
256 |
*
|
257 |
* @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#isLocksSupported()
|
258 |
*/
|
259 |
public boolean isLocksSupported() { |
260 |
return false; |
261 |
} |
262 |
|
263 |
/**
|
264 |
* Default Factory of {@link FeatureProvider}. Create a new default
|
265 |
* {@link FeatureProvider} instance.<br>
|
266 |
*
|
267 |
* Override this if you need an special implemtation of
|
268 |
* {@link FeatureProvider}.
|
269 |
*
|
270 |
* @return
|
271 |
* @throws DataException
|
272 |
*
|
273 |
* @see {@link org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#createFeatureProvider(FeatureType)}
|
274 |
*/
|
275 |
|
276 |
public FeatureProvider createFeatureProvider(FeatureType type)
|
277 |
throws DataException {
|
278 |
return this.store.createDefaultFeatureProvider(type); |
279 |
} |
280 |
|
281 |
/**
|
282 |
* unsupported by default (return <code>null</code>), override this
|
283 |
* otherwise
|
284 |
*
|
285 |
* @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#createFeatureLocks()
|
286 |
*/
|
287 |
public FeatureLocks createFeatureLocks() throws DataException { |
288 |
return null; |
289 |
} |
290 |
|
291 |
/**
|
292 |
* Default Factory of {@link FeatureSelection}. Create a new default
|
293 |
* {@link FeatureSelection} instance.<br>
|
294 |
*
|
295 |
* Override this if you need an special implemtation of
|
296 |
* {@link FeatureSelection}.
|
297 |
*
|
298 |
* @return
|
299 |
* @throws DataException
|
300 |
*
|
301 |
* @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#createFeatureSelection()
|
302 |
*/
|
303 |
public FeatureSelection createFeatureSelection() throws DataException { |
304 |
return this.store.createDefaultFeatureSelection(); |
305 |
} |
306 |
|
307 |
/**
|
308 |
* do nothing by default, override this otherwise
|
309 |
*
|
310 |
* @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#refresh()
|
311 |
*/
|
312 |
public void refresh() throws OpenException { |
313 |
// Do nothing by default
|
314 |
} |
315 |
|
316 |
/**
|
317 |
* do nothing by default, override this otherwise
|
318 |
*
|
319 |
* @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#close()
|
320 |
*/
|
321 |
public void close() throws CloseException { |
322 |
// Do nothing by default
|
323 |
} |
324 |
|
325 |
protected void doDispose() throws BaseException { |
326 |
this.metadata = null; |
327 |
this.store = null; |
328 |
} |
329 |
|
330 |
/**
|
331 |
* unsupported geometry by default (return <code>null</code>), override this
|
332 |
* otherwise
|
333 |
*
|
334 |
* @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#getEnvelope()
|
335 |
*/
|
336 |
public Envelope getEnvelope() throws DataException { |
337 |
return null; |
338 |
} |
339 |
|
340 |
/**
|
341 |
* unsupported geometry write by default (return <code>false</code>),
|
342 |
* override this otherwise
|
343 |
*
|
344 |
* @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#canWriteGeometry(int,
|
345 |
* int)
|
346 |
*/
|
347 |
public boolean canWriteGeometry(int geometryType, int geometrySubType) |
348 |
throws DataException {
|
349 |
return false; |
350 |
} |
351 |
|
352 |
// --- Metadata methods ---
|
353 |
|
354 |
public void delegate(DynObject dynObject) { |
355 |
if (this.metadata == null) { |
356 |
return;
|
357 |
} |
358 |
this.metadata.delegate(dynObject);
|
359 |
} |
360 |
|
361 |
public DynClass getDynClass() {
|
362 |
if (this.metadata == null) { |
363 |
return null; |
364 |
} |
365 |
return this.metadata.getDynClass(); |
366 |
} |
367 |
|
368 |
public Object getDynValue(String name) throws DynFieldNotFoundException { |
369 |
if (this.metadata == null) { |
370 |
return null; |
371 |
} |
372 |
// TODO this.open??
|
373 |
return this.metadata.getDynValue(name); |
374 |
} |
375 |
|
376 |
public boolean hasDynValue(String name) { |
377 |
if (this.metadata == null) { |
378 |
return false; |
379 |
} |
380 |
// TODO this.open??
|
381 |
return this.metadata.hasDynValue(name); |
382 |
} |
383 |
|
384 |
@Override
|
385 |
public boolean hasDynMethod(String name) { |
386 |
if( metadata instanceof DynObject_v2 ) { |
387 |
return ((DynObject_v2)this.metadata).hasDynMethod(name); |
388 |
} |
389 |
return false; |
390 |
} |
391 |
|
392 |
public void implement(DynClass dynClass) { |
393 |
if (this.metadata == null) { |
394 |
return;
|
395 |
} |
396 |
this.metadata.implement(dynClass);
|
397 |
|
398 |
} |
399 |
|
400 |
public Object invokeDynMethod(int code, Object[] args) |
401 |
throws DynMethodException {
|
402 |
if (this.metadata == null) { |
403 |
return null; |
404 |
} |
405 |
// TODO this.open??
|
406 |
return this.metadata.invokeDynMethod(this, code, args); |
407 |
} |
408 |
|
409 |
public Object invokeDynMethod(String name, Object[] args) |
410 |
throws DynMethodException {
|
411 |
if (this.metadata == null) { |
412 |
return null; |
413 |
} |
414 |
// TODO this.open??
|
415 |
return this.metadata.invokeDynMethod(this, name, args); |
416 |
} |
417 |
|
418 |
public void setDynValue(String name, Object value) |
419 |
throws DynFieldNotFoundException {
|
420 |
if (this.metadata == null) { |
421 |
return;
|
422 |
} |
423 |
// TODO this.open??
|
424 |
this.metadata.setDynValue(name, value);
|
425 |
} |
426 |
|
427 |
// --- end Metadata methods ---
|
428 |
|
429 |
/**
|
430 |
* unsupported by default, override this otherwise
|
431 |
*
|
432 |
* @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#allowAutomaticValues()
|
433 |
*/
|
434 |
public boolean allowAutomaticValues() { |
435 |
return false; |
436 |
|
437 |
} |
438 |
|
439 |
/**
|
440 |
* unsupported by default, override this otherwise
|
441 |
*
|
442 |
* @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#append(org.gvsig.
|
443 |
* fmap.dal.feature.spi.FeatureProvider)
|
444 |
*/
|
445 |
public void append(FeatureProvider featureProvider) throws DataException { |
446 |
// FIXME exception
|
447 |
throw new UnsupportedOperationException(); |
448 |
} |
449 |
|
450 |
/**
|
451 |
* unsupported by default, override this otherwise
|
452 |
*
|
453 |
* @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#beginAppend()
|
454 |
*/
|
455 |
public void beginAppend() throws DataException { |
456 |
// FIXME exception
|
457 |
throw new UnsupportedOperationException(); |
458 |
} |
459 |
|
460 |
/**
|
461 |
* unsupported by default, override this otherwise
|
462 |
*
|
463 |
* @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#endAppend()
|
464 |
*/
|
465 |
public void endAppend() throws DataException { |
466 |
// FIXME exception
|
467 |
throw new UnsupportedOperationException(); |
468 |
} |
469 |
|
470 |
public void abortAppend() throws DataException { |
471 |
// FIXME exception
|
472 |
throw new UnsupportedOperationException(); |
473 |
} |
474 |
|
475 |
/**
|
476 |
* unsupported by default, override this otherwise
|
477 |
*
|
478 |
* @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#supportsAppendMode()
|
479 |
*/
|
480 |
public boolean supportsAppendMode() { |
481 |
return false; |
482 |
} |
483 |
|
484 |
/**
|
485 |
* unsupported by default (return null), override this otherwise
|
486 |
*
|
487 |
* @see org.gvsig.fmap.dal.spi.DataStoreProvider#getChilds()
|
488 |
*/
|
489 |
public Iterator getChilds() { |
490 |
return null; |
491 |
} |
492 |
|
493 |
/**
|
494 |
* unsupported by default (return null), override this otherwise
|
495 |
*
|
496 |
* @see org.gvsig.fmap.dal.spi.DataStoreProvider#getExplorer()
|
497 |
*/
|
498 |
public DataServerExplorer getExplorer() throws ReadException, |
499 |
ValidateDataParametersException { |
500 |
return null; |
501 |
} |
502 |
|
503 |
public void clear() { |
504 |
if (metadata != null) { |
505 |
metadata.clear(); |
506 |
} |
507 |
} |
508 |
|
509 |
/**
|
510 |
* Returns a {@link FeatureProvider} by reference, using the provided
|
511 |
* {@link FeatureType}. This is the child classes implementation of the
|
512 |
* {@link #getFeatureProviderByReference(FeatureReferenceProviderServices)}
|
513 |
* method.
|
514 |
*
|
515 |
* @param reference
|
516 |
* the reference to the {@link FeatureProvider}
|
517 |
* @param featureType
|
518 |
* the type of feature to load
|
519 |
* @return the {@link FeatureProvider} being referenced
|
520 |
* @throws DataException
|
521 |
* if there is an error loading the {@link FeatureProvider}
|
522 |
*/
|
523 |
protected abstract FeatureProvider internalGetFeatureProviderByReference( |
524 |
FeatureReferenceProviderServices reference, FeatureType featureType) |
525 |
throws DataException;
|
526 |
|
527 |
public static class FeatureProviderNotFoundException extends DataException { |
528 |
|
529 |
private static final long serialVersionUID = 5161749797695723151L; |
530 |
|
531 |
public FeatureProviderNotFoundException(FeatureReference reference) {
|
532 |
super("Cannot retreive FeatureProvider for reference %(reference)", |
533 |
"_FeatureProviderNotFoundException", serialVersionUID);
|
534 |
setValue("reference", reference.toString());
|
535 |
} |
536 |
} |
537 |
|
538 |
public boolean isKnownEnvelope(){ |
539 |
return true; |
540 |
} |
541 |
|
542 |
public boolean hasRetrievedFeaturesLimit(){ |
543 |
return false; |
544 |
} |
545 |
|
546 |
public int getRetrievedFeaturesLimit(){ |
547 |
return -1; |
548 |
} |
549 |
|
550 |
public Interval getInterval() {
|
551 |
return null; |
552 |
} |
553 |
|
554 |
public Collection getTimes() { |
555 |
// TODO Auto-generated method stub
|
556 |
return null; |
557 |
} |
558 |
|
559 |
public Collection getTimes(Interval interval) { |
560 |
// TODO Auto-generated method stub
|
561 |
return null; |
562 |
} |
563 |
|
564 |
@Override
|
565 |
public ExpressionBuilder createExpression() {
|
566 |
ExpressionBuilder builder = ExpressionEvaluatorLocator.getManager().createExpressionBuilder(); |
567 |
return builder;
|
568 |
} |
569 |
|
570 |
protected void savePrjFile(File dataFile, IProjection proj){ |
571 |
File file = new File(FilenameUtils.removeExtension(dataFile.getAbsolutePath())+".prj"); |
572 |
try {
|
573 |
String export = proj.export(ICRSFactory.FORMAT_WKT_ESRI); |
574 |
if(export!=null){ |
575 |
FileUtils.writeStringToFile(file, export);
|
576 |
} |
577 |
} catch (Exception e) { |
578 |
logger.info("Can't write prj file '" + file.getAbsolutePath() + "'."); |
579 |
} |
580 |
} |
581 |
} |