svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.file / org.gvsig.fmap.dal.file.dbf / src / main / java / org / gvsig / fmap / dal / store / dbf / DBFStoreProvider.java @ 44767
History | View | Annotate | Download (27 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 modify it under
|
7 |
* the terms of the GNU General Public License as published by the Free Software
|
8 |
* Foundation; either version 3 of the License, or (at your option) any later
|
9 |
* version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful, but WITHOUT
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
13 |
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
14 |
* details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License along with
|
17 |
* this program; if not, write to the Free Software Foundation, Inc., 51
|
18 |
* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
19 |
*
|
20 |
* For any additional information, do not hesitate to contact us at info AT
|
21 |
* gvsig.com, or visit our website www.gvsig.com.
|
22 |
*/
|
23 |
package org.gvsig.fmap.dal.store.dbf; |
24 |
|
25 |
import java.io.File; |
26 |
import java.io.IOException; |
27 |
import java.math.BigDecimal; |
28 |
import java.math.MathContext; |
29 |
import java.math.RoundingMode; |
30 |
import java.nio.charset.Charset; |
31 |
import java.text.SimpleDateFormat; |
32 |
import java.util.ArrayList; |
33 |
import java.util.Date; |
34 |
import java.util.Iterator; |
35 |
import java.util.List; |
36 |
|
37 |
import org.apache.commons.io.FileUtils; |
38 |
|
39 |
import org.gvsig.fmap.dal.DALLocator; |
40 |
import org.gvsig.fmap.dal.DataManager; |
41 |
import org.gvsig.fmap.dal.DataServerExplorer; |
42 |
import org.gvsig.fmap.dal.DataStore; |
43 |
import org.gvsig.fmap.dal.DataStoreNotification; |
44 |
import org.gvsig.fmap.dal.DataTypes; |
45 |
import org.gvsig.fmap.dal.FileHelper; |
46 |
import org.gvsig.fmap.dal.exception.CloseException; |
47 |
import org.gvsig.fmap.dal.exception.DataException; |
48 |
import org.gvsig.fmap.dal.exception.FileNotFoundException; |
49 |
import org.gvsig.fmap.dal.exception.InitializeException; |
50 |
import org.gvsig.fmap.dal.exception.OpenException; |
51 |
import org.gvsig.fmap.dal.exception.ReadException; |
52 |
import org.gvsig.fmap.dal.exception.UnsupportedVersionException; |
53 |
import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
54 |
import org.gvsig.fmap.dal.feature.EditableFeatureType; |
55 |
import org.gvsig.fmap.dal.feature.Feature; |
56 |
import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
57 |
import org.gvsig.fmap.dal.feature.FeatureQuery; |
58 |
import org.gvsig.fmap.dal.feature.FeatureSet; |
59 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
60 |
import org.gvsig.fmap.dal.feature.FeatureType; |
61 |
import org.gvsig.fmap.dal.feature.exception.AttributeNameException; |
62 |
import org.gvsig.fmap.dal.feature.exception.AttributeNameTooLongException; |
63 |
import org.gvsig.fmap.dal.feature.exception.PerformEditingException; |
64 |
import org.gvsig.fmap.dal.feature.spi.AbstractFeatureStoreProvider; |
65 |
import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
66 |
import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
67 |
import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
68 |
import org.gvsig.fmap.dal.resource.ResourceAction; |
69 |
import org.gvsig.fmap.dal.resource.exception.ResourceException; |
70 |
import org.gvsig.fmap.dal.resource.exception.ResourceExecuteException; |
71 |
import org.gvsig.fmap.dal.resource.exception.ResourceNotifyChangesException; |
72 |
import org.gvsig.fmap.dal.resource.exception.ResourceNotifyCloseException; |
73 |
import org.gvsig.fmap.dal.resource.exception.ResourceNotifyOpenException; |
74 |
import org.gvsig.fmap.dal.resource.file.FileResource; |
75 |
import org.gvsig.fmap.dal.resource.spi.ResourceConsumer; |
76 |
import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
77 |
import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorer; |
78 |
import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorerParameters; |
79 |
import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
80 |
import org.gvsig.fmap.dal.store.dbf.utils.DbaseFile; |
81 |
import org.gvsig.fmap.dal.store.dbf.utils.FieldFormatter; |
82 |
import org.gvsig.metadata.MetadataLocator; |
83 |
import org.gvsig.metadata.MetadataManager; |
84 |
import org.gvsig.metadata.exceptions.MetadataException; |
85 |
import org.gvsig.tools.dataTypes.CoercionException; |
86 |
import org.gvsig.tools.dispose.DisposableIterator; |
87 |
import org.gvsig.tools.dynobject.DynObject; |
88 |
import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
89 |
import org.gvsig.tools.exception.BaseException; |
90 |
import org.gvsig.tools.logger.FilteredLogger; |
91 |
|
92 |
import org.slf4j.Logger; |
93 |
import org.slf4j.LoggerFactory; |
94 |
import org.gvsig.tools.dataTypes.CoercionContextDecimal; |
95 |
|
96 |
public class DBFStoreProvider extends AbstractFeatureStoreProvider implements |
97 |
ResourceConsumer { |
98 |
|
99 |
private static final Logger LOG = LoggerFactory.getLogger(DBFStoreProvider.class); |
100 |
|
101 |
public static final int MAX_FIELD_NAME_LENGTH = DbaseFile.MAX_FIELD_NAME_LENGTH; |
102 |
|
103 |
public static final String NAME = DataStore.DBASE_PROVIDER_NAME; |
104 |
public static final String DESCRIPTION = "DBF file"; |
105 |
|
106 |
public static final String METADATA_DEFINITION_NAME = NAME; |
107 |
private static final String METADATA_ENCODING = "Encoding"; |
108 |
private static final String METADATA_CODEPAGE = "CodePage"; |
109 |
|
110 |
private DbaseFile dbfFile = null; |
111 |
private ResourceProvider dbfResource;
|
112 |
private long counterNewsOIDs = -1; |
113 |
private DBFFeatureWriter writer;
|
114 |
|
115 |
private boolean loTengoEnUso; |
116 |
|
117 |
private boolean allowDuplicatedFieldNames; |
118 |
private FilteredLogger logger;
|
119 |
|
120 |
protected static void registerMetadataDefinition() throws MetadataException { |
121 |
MetadataManager manager = MetadataLocator.getMetadataManager(); |
122 |
if (manager.getDefinition(METADATA_DEFINITION_NAME) == null) { |
123 |
manager.addDefinition( |
124 |
METADATA_DEFINITION_NAME, |
125 |
DBFStoreParameters.class.getResourceAsStream("DBFStoreMetadata.xml"),
|
126 |
DBFStoreParameters.class.getClassLoader() |
127 |
); |
128 |
} |
129 |
} |
130 |
|
131 |
public DBFStoreProvider(DBFStoreParameters params,
|
132 |
DataStoreProviderServices storeServices) |
133 |
throws InitializeException {
|
134 |
super(
|
135 |
params, |
136 |
storeServices, |
137 |
FileHelper.newMetadataContainer(METADATA_DEFINITION_NAME) |
138 |
); |
139 |
this.logger = new FilteredLogger(LOG, "DBFStoreProvider", -1); |
140 |
this.logger.setInterval(2000); |
141 |
this.init(params, storeServices);
|
142 |
} |
143 |
|
144 |
protected DBFStoreProvider(DBFStoreParameters params,
|
145 |
DataStoreProviderServices storeServices, DynObject metadata) |
146 |
throws InitializeException {
|
147 |
super(params, storeServices, metadata);
|
148 |
this.init(params, storeServices);
|
149 |
} |
150 |
|
151 |
protected void init(DBFStoreParameters params, |
152 |
DataStoreProviderServices storeServices) throws InitializeException {
|
153 |
if (params == null) { |
154 |
throw new InitializeException(new NullPointerException("params is null")); |
155 |
} |
156 |
File theFile = getDBFParameters().getDBFFile();
|
157 |
if (theFile == null) { |
158 |
throw new InitializeException(new NullPointerException("dbf file is null")); |
159 |
} |
160 |
initResource(params, storeServices); |
161 |
|
162 |
Charset charset = params.getEncoding();
|
163 |
allowDuplicatedFieldNames = params.allowDuplicatedFieldNames(); |
164 |
this.dbfFile = new DbaseFile(theFile, charset, allowDuplicatedFieldNames); |
165 |
|
166 |
writer = new DBFFeatureWriter(this.getProviderName()); |
167 |
|
168 |
this.initFeatureType();
|
169 |
|
170 |
} |
171 |
|
172 |
public Object getDynValue(String name) throws DynFieldNotFoundException { |
173 |
try {
|
174 |
this.open();
|
175 |
} catch (OpenException e) {
|
176 |
throw new RuntimeException(e); |
177 |
} |
178 |
|
179 |
if (METADATA_ENCODING.equalsIgnoreCase(name)) {
|
180 |
return this.dbfFile.getOriginalCharset(); |
181 |
} else if (METADATA_CODEPAGE.equalsIgnoreCase(name)) { |
182 |
return this.dbfFile.getCodePageInt(); |
183 |
} |
184 |
return super.getDynValue(name); |
185 |
} |
186 |
|
187 |
protected void initResource(DBFStoreParameters params, |
188 |
DataStoreProviderServices storeServices) throws InitializeException {
|
189 |
|
190 |
File theFile = getDBFParameters().getDBFFile();
|
191 |
dbfResource |
192 |
= this.createResource(FileResource.NAME,
|
193 |
new Object[]{theFile.getAbsolutePath()}); |
194 |
dbfResource.addConsumer(this);
|
195 |
} |
196 |
|
197 |
protected void initResource(ResourceProvider resource, |
198 |
DataStoreProviderServices storeServices){ |
199 |
dbfResource = resource; |
200 |
dbfResource.addConsumer(this);
|
201 |
} |
202 |
|
203 |
public String getProviderName() { |
204 |
return NAME;
|
205 |
} |
206 |
|
207 |
protected DBFStoreParameters getDBFParameters() {
|
208 |
return (DBFStoreParameters) super.getParameters(); |
209 |
} |
210 |
|
211 |
public DataServerExplorer getExplorer() throws ReadException { |
212 |
DataManager manager = DALLocator.getDataManager(); |
213 |
FilesystemServerExplorerParameters params; |
214 |
try {
|
215 |
params = (FilesystemServerExplorerParameters) manager |
216 |
.createServerExplorerParameters(FilesystemServerExplorer.NAME); |
217 |
params.setRoot(this.getDBFParameters().getDBFFile().getParent());
|
218 |
return manager.openServerExplorer(FilesystemServerExplorer.NAME, params);
|
219 |
} catch (DataException | ValidateDataParametersException e) {
|
220 |
throw new ReadException(this.getName(), e); |
221 |
} |
222 |
} |
223 |
|
224 |
protected FeatureProvider internalGetFeatureProviderByReference(
|
225 |
FeatureReferenceProviderServices reference, FeatureType featureType) |
226 |
throws DataException {
|
227 |
return this.getFeatureProviderByIndex( |
228 |
((Number) reference.getOID()).longValue(), featureType);
|
229 |
} |
230 |
|
231 |
public void performChanges(Iterator deleteds, Iterator inserteds, |
232 |
Iterator updateds, Iterator originalFeatureTypesUpdated) |
233 |
throws PerformEditingException {
|
234 |
|
235 |
/*
|
236 |
* This will throw an exception if there are new fields
|
237 |
* with names too long
|
238 |
*/
|
239 |
checkNewFieldsNameSize(originalFeatureTypesUpdated); |
240 |
|
241 |
try {
|
242 |
// TODO repasar el concepto de enUso de un recurso.
|
243 |
loTengoEnUso = true;
|
244 |
final FeatureStore theStore = this.getStoreServices().getFeatureStore(); |
245 |
resourceCloseRequest(); |
246 |
getResource().execute(new ResourceAction() {
|
247 |
|
248 |
public Object run() throws Exception { |
249 |
FeatureSet set = null;
|
250 |
DisposableIterator iter = null;
|
251 |
try {
|
252 |
set = theStore.getFeatureSet(); |
253 |
DBFStoreParameters tmpParams |
254 |
= (DBFStoreParameters) getDBFParameters().getCopy(); |
255 |
|
256 |
File tmp_file = File.createTempFile( |
257 |
"tmp_" + System.currentTimeMillis(), ".dbf"); |
258 |
tmp_file.deleteOnExit(); |
259 |
|
260 |
tmpParams.setDBFFile(tmp_file); |
261 |
|
262 |
writer.begin(tmpParams, theStore.getDefaultFeatureType(), |
263 |
set.getSize()); |
264 |
|
265 |
iter = set.fastIterator(); |
266 |
while (iter.hasNext()) {
|
267 |
Feature feature = (Feature) iter.next(); |
268 |
writer.append(feature); |
269 |
} |
270 |
|
271 |
writer.end(); |
272 |
loTengoEnUso = false;
|
273 |
try {
|
274 |
close(); |
275 |
} catch (CloseException e1) {
|
276 |
throw new PerformEditingException(getProviderName(), e1); |
277 |
} |
278 |
getDBFParameters().getDBFFile().delete(); |
279 |
|
280 |
File target_file = getDBFParameters().getDBFFile();
|
281 |
if (target_file.exists()) {
|
282 |
target_file.delete(); |
283 |
} |
284 |
tmp_file.renameTo(target_file); |
285 |
|
286 |
if (tmp_file.exists() && !target_file.exists()) {
|
287 |
// Renaming failed, let's simply copy.
|
288 |
// We assume we cannot delete it, but we
|
289 |
// used deleteOnExit and it's
|
290 |
// temporary, so no problem
|
291 |
LOG.info("Warning: copying tmp file instead of renaming: "
|
292 |
+ target_file.getName()); |
293 |
FileUtils.copyFile(tmp_file, target_file); |
294 |
} |
295 |
|
296 |
resourcesNotifyChanges(); |
297 |
initFeatureType(); |
298 |
} finally {
|
299 |
loTengoEnUso = false;
|
300 |
if (set != null) { |
301 |
set.dispose(); |
302 |
} |
303 |
if (iter != null) { |
304 |
iter.dispose(); |
305 |
} |
306 |
} |
307 |
return null; |
308 |
} |
309 |
}); |
310 |
} catch (ResourceExecuteException | ResourceException e) {
|
311 |
throw new PerformEditingException(NAME, e); |
312 |
} |
313 |
|
314 |
this.counterNewsOIDs = -1; |
315 |
} |
316 |
|
317 |
protected void checkNewFieldsNameSize(Iterator ft_upd) throws PerformEditingException { |
318 |
|
319 |
String long_fields = getNewFieldsWithNameTooLong(ft_upd);
|
320 |
if (long_fields != null) { |
321 |
AttributeNameException ane = new AttributeNameTooLongException(
|
322 |
long_fields, |
323 |
getProviderName(), |
324 |
MAX_FIELD_NAME_LENGTH); |
325 |
throw new PerformEditingException(getProviderName(), ane); |
326 |
} |
327 |
} |
328 |
|
329 |
/**
|
330 |
* Returns null or a string which is a comma-separated list
|
331 |
*
|
332 |
* @param ft_updated
|
333 |
* @return
|
334 |
*/
|
335 |
protected String getNewFieldsWithNameTooLong(Iterator ft_updated) { |
336 |
|
337 |
String resp = ""; |
338 |
FeatureTypeChanged item; |
339 |
FeatureType ft; |
340 |
FeatureAttributeDescriptor[] atts;
|
341 |
while (ft_updated.hasNext()) {
|
342 |
item = (FeatureTypeChanged) ft_updated.next(); |
343 |
ft = item.getTarget(); |
344 |
atts = ft.getAttributeDescriptors(); |
345 |
for (FeatureAttributeDescriptor att : atts) {
|
346 |
if (att.getName().length() > MAX_FIELD_NAME_LENGTH) {
|
347 |
if (resp.length() == 0) { |
348 |
resp = att.getName(); |
349 |
} else {
|
350 |
resp = resp + ", " + att.getName();
|
351 |
} |
352 |
} |
353 |
} |
354 |
} |
355 |
|
356 |
if (resp.length() == 0) { |
357 |
return null; |
358 |
} else {
|
359 |
return "(" + resp + ")"; |
360 |
} |
361 |
} |
362 |
|
363 |
public FeatureProvider createFeatureProvider(FeatureType type) throws DataException { |
364 |
return new DBFFeatureProvider(this, type); |
365 |
} |
366 |
|
367 |
protected void initFeatureType() throws InitializeException { |
368 |
FeatureType defaultType = this.getTheFeatureType().getNotEditableCopy();
|
369 |
List types = new ArrayList(1); |
370 |
types.add(defaultType); |
371 |
getStoreServices().setFeatureTypes(types, defaultType); |
372 |
} |
373 |
|
374 |
protected EditableFeatureType getTheFeatureType() throws InitializeException { |
375 |
try {
|
376 |
this.open();
|
377 |
} catch (DataException e) {
|
378 |
throw new InitializeException(this.getProviderName(), e); |
379 |
} |
380 |
EditableFeatureType featureType = (EditableFeatureType) getResource().execute( |
381 |
new ResourceAction() {
|
382 |
public Object run() throws Exception { |
383 |
EditableFeatureType featureType = getStoreServices().createFeatureType(getName()); |
384 |
featureType.setHasOID(true);
|
385 |
dbfFile.getHeader().toFeatureType( |
386 |
featureType, |
387 |
getDBFParameters().handleDatesAsStrings() |
388 |
); |
389 |
return featureType;
|
390 |
} |
391 |
} |
392 |
); |
393 |
return featureType;
|
394 |
} |
395 |
|
396 |
|
397 |
protected void loadValue(FeatureProvider featureProvider, long rowIndex, |
398 |
FeatureAttributeDescriptor descriptor) throws ReadException {
|
399 |
|
400 |
if (descriptor.getEvaluator() != null) { |
401 |
// Nothing to do
|
402 |
return;
|
403 |
} |
404 |
|
405 |
int dbfFieldIndex = this.dbfFile.getFieldIndex(descriptor.getName()); |
406 |
|
407 |
if (dbfFieldIndex < 0) { |
408 |
// Someone asked to load a field
|
409 |
// which does not exist in the DBF file. This can happen
|
410 |
// in editing process when a field has been added
|
411 |
// in the current editing session, so we simply do nothing.
|
412 |
// The expansion manager is expected to manage those new fields
|
413 |
// and their values.
|
414 |
this.logger.warn("The requested field ("+descriptor.getName()+") does not exist in the DBF file. Assumed it's a new field in editing mode."); |
415 |
return;
|
416 |
} |
417 |
|
418 |
String value = null; |
419 |
try {
|
420 |
value = this.dbfFile.getStringFieldValue(rowIndex, dbfFieldIndex);
|
421 |
} catch (DataException e) {
|
422 |
throw new ReadException(this.getName(), e); |
423 |
} |
424 |
value = value.trim(); |
425 |
FieldFormatter formatter = new FieldFormatter();
|
426 |
|
427 |
int index = descriptor.getIndex();
|
428 |
Object defaultValue = descriptor.getDefaultValueCoerced();
|
429 |
|
430 |
switch (descriptor.getType()) {
|
431 |
case DataTypes.STRING:
|
432 |
featureProvider.set(index, formatter.parseString(value, (String) defaultValue));
|
433 |
break;
|
434 |
|
435 |
case DataTypes.DECIMAL:
|
436 |
featureProvider.set(index, |
437 |
formatter.parseDecimal( |
438 |
value, |
439 |
descriptor.getMathContext(), |
440 |
descriptor.getScale(), |
441 |
(BigDecimal) defaultValue
|
442 |
) |
443 |
); |
444 |
break;
|
445 |
|
446 |
case DataTypes.DOUBLE:
|
447 |
featureProvider.set(index, formatter.parseDouble(value, (Double) defaultValue));
|
448 |
break;
|
449 |
|
450 |
case DataTypes.FLOAT:
|
451 |
featureProvider.set(index, formatter.parseFloat(value, (Float) defaultValue));
|
452 |
break;
|
453 |
|
454 |
case DataTypes.LONG:
|
455 |
featureProvider.set(index, formatter.parseLong(value, (Long) defaultValue));
|
456 |
break;
|
457 |
|
458 |
case DataTypes.INT:
|
459 |
featureProvider.set(index, formatter.parseInt(value, (Integer) defaultValue));
|
460 |
break;
|
461 |
|
462 |
case DataTypes.BYTE:
|
463 |
featureProvider.set(index, formatter.parseByte(value, (Byte) defaultValue));
|
464 |
break;
|
465 |
|
466 |
case DataTypes.BOOLEAN:
|
467 |
featureProvider.set(index, formatter.parseBoolean(value, (Boolean) defaultValue));
|
468 |
break;
|
469 |
|
470 |
case DataTypes.TIMESTAMP:
|
471 |
featureProvider.set(index, formatter.parseTimestamp(value, (java.sql.Timestamp) defaultValue)); |
472 |
break;
|
473 |
|
474 |
case DataTypes.TIME:
|
475 |
featureProvider.set(index, formatter.parseTime(value, (java.sql.Time) defaultValue)); |
476 |
break;
|
477 |
|
478 |
case DataTypes.DATE:
|
479 |
featureProvider.set(index, formatter.parseDate(value, (java.sql.Date) defaultValue)); |
480 |
break;
|
481 |
|
482 |
default: {
|
483 |
Object v;
|
484 |
try {
|
485 |
v = descriptor.getDataType().coerce(value); |
486 |
} catch (CoercionException ex) {
|
487 |
v = defaultValue; |
488 |
} |
489 |
featureProvider.set(index, v); |
490 |
} |
491 |
break;
|
492 |
} |
493 |
} |
494 |
|
495 |
protected FeatureProvider getFeatureProviderByIndex(long index) throws DataException { |
496 |
return this |
497 |
.getFeatureProviderByIndex(index, this.getStoreServices()
|
498 |
.getDefaultFeatureType()); |
499 |
} |
500 |
|
501 |
public long getFeatureCount() throws ReadException, OpenException, |
502 |
ResourceNotifyChangesException { |
503 |
this.open();
|
504 |
return (long) getResource().execute(new ResourceAction() { |
505 |
public Object run() throws Exception { |
506 |
return (long) dbfFile.getRecordCount(); |
507 |
} |
508 |
}); |
509 |
} |
510 |
|
511 |
public FeatureSetProvider createSet(FeatureQuery query, FeatureType featureType)
|
512 |
throws DataException {
|
513 |
return new DBFSetProvider(this, query, featureType); |
514 |
} |
515 |
|
516 |
public boolean canCreate() { |
517 |
return true; |
518 |
} |
519 |
|
520 |
public boolean canWriteGeometry(int geometryType, int geometrySubType) throws DataException { |
521 |
return false; |
522 |
} |
523 |
|
524 |
public void open() throws OpenException { |
525 |
if (this.dbfFile.isOpen()) { |
526 |
return;
|
527 |
} |
528 |
try {
|
529 |
getResource().execute(new ResourceAction() {
|
530 |
public Object run() throws Exception { |
531 |
openFile(); |
532 |
resourcesOpen(); |
533 |
return null; |
534 |
} |
535 |
}); |
536 |
|
537 |
} catch (ResourceExecuteException e) {
|
538 |
throw new OpenException(this.getProviderName(), e); |
539 |
} |
540 |
} |
541 |
|
542 |
protected void openFile() throws FileNotFoundException, |
543 |
UnsupportedVersionException, IOException, DataException {
|
544 |
this.dbfFile.open();
|
545 |
// necessary when editing the file
|
546 |
this.getDBFParameters().setEffectiveEncoding(this.dbfFile.getCharsetName()); |
547 |
} |
548 |
|
549 |
public void close() throws CloseException { |
550 |
if( loTengoEnUso ) {
|
551 |
return;
|
552 |
} |
553 |
if (dbfFile == null || !this.dbfFile.isOpen()) { |
554 |
return;
|
555 |
} |
556 |
super.close();
|
557 |
|
558 |
//Cerrar recurso
|
559 |
try {
|
560 |
getResource().execute(new ResourceAction() {
|
561 |
public Object run() throws Exception { |
562 |
closeFile(); |
563 |
resourcesNotifyClose(); |
564 |
return null; |
565 |
} |
566 |
}); |
567 |
} catch (ResourceExecuteException e) {
|
568 |
throw new CloseException(this.getProviderName(), e); |
569 |
} |
570 |
} |
571 |
|
572 |
protected void closeFile() throws CloseException { |
573 |
this.dbfFile.close();
|
574 |
} |
575 |
|
576 |
@Override
|
577 |
protected void doDispose() throws BaseException { |
578 |
this.close();
|
579 |
dbfFile = null;
|
580 |
disposeResource(); |
581 |
super.doDispose();
|
582 |
} |
583 |
|
584 |
protected void disposeResource() { |
585 |
this.dbfResource.removeConsumer(this); |
586 |
dbfResource = null;
|
587 |
} |
588 |
|
589 |
public boolean closeResourceRequested(ResourceProvider resource) { |
590 |
try {
|
591 |
this.close();
|
592 |
} catch (CloseException e) {
|
593 |
return false; |
594 |
} |
595 |
return true; |
596 |
} |
597 |
|
598 |
public boolean allowWrite() { |
599 |
if(allowDuplicatedFieldNames){
|
600 |
return false; |
601 |
} |
602 |
return this.dbfFile.isWritable(); |
603 |
} |
604 |
|
605 |
public void refresh() throws OpenException { |
606 |
try {
|
607 |
this.close();
|
608 |
} catch (CloseException e) {
|
609 |
throw new OpenException(this.getProviderName(), e); |
610 |
} |
611 |
this.open();
|
612 |
try {
|
613 |
this.initFeatureType();
|
614 |
} catch (InitializeException e) {
|
615 |
throw new OpenException(this.getProviderName(), e); |
616 |
} |
617 |
} |
618 |
|
619 |
/**
|
620 |
*
|
621 |
* @param index
|
622 |
* @param featureType
|
623 |
* @return
|
624 |
* @throws ReadException
|
625 |
*/
|
626 |
protected FeatureProvider getFeatureProviderByIndex(long index, |
627 |
FeatureType featureType) throws DataException {
|
628 |
FeatureProvider featureProvider = this.createFeatureProvider(featureType);
|
629 |
featureProvider.setOID(index); |
630 |
return featureProvider;
|
631 |
} |
632 |
|
633 |
protected void initFeatureProviderByIndex(FeatureProvider featureProvider, |
634 |
long index, FeatureType featureType) throws DataException { |
635 |
featureProvider.setOID(index); |
636 |
} |
637 |
|
638 |
/**
|
639 |
*
|
640 |
* @param featureProvider
|
641 |
* @throws DataException
|
642 |
*/
|
643 |
protected void loadFeatureProviderByIndex(FeatureProvider featureProvider) |
644 |
throws DataException {
|
645 |
|
646 |
long index = ((Long) featureProvider.getOID()); |
647 |
int rec_count = this.dbfFile.getRecordCount(); |
648 |
|
649 |
if (index >= rec_count) {
|
650 |
|
651 |
ReadException rex = new ReadException(this.getName(), |
652 |
new ArrayIndexOutOfBoundsException( |
653 |
"Index of requested feature ("
|
654 |
+ index + ") is >= record count (" + rec_count + ")")); |
655 |
|
656 |
LOG.info("Error while loading feature. ", rex);
|
657 |
throw rex;
|
658 |
} |
659 |
|
660 |
for (FeatureAttributeDescriptor desc : featureProvider.getType()) {
|
661 |
this.loadValue(featureProvider, index, desc);
|
662 |
} |
663 |
} |
664 |
|
665 |
public int getOIDType() { |
666 |
return DataTypes.LONG;
|
667 |
} |
668 |
|
669 |
public Object createNewOID() { |
670 |
if (this.counterNewsOIDs < 0) { |
671 |
try {
|
672 |
this.counterNewsOIDs = this.getFeatureCount(); |
673 |
} catch (DataException e) {
|
674 |
LOG.warn("Can't initialice counter for news OIDs.",e);
|
675 |
} |
676 |
|
677 |
} else {
|
678 |
this.counterNewsOIDs++;
|
679 |
} |
680 |
return counterNewsOIDs;
|
681 |
} |
682 |
|
683 |
public boolean supportsAppendMode() { |
684 |
return true; |
685 |
} |
686 |
|
687 |
public void append(final FeatureProvider featureProvider) |
688 |
throws DataException {
|
689 |
getResource().execute(new ResourceAction() {
|
690 |
public Object run() throws Exception { |
691 |
writer.append(getStoreServices().createFeature(featureProvider)); |
692 |
return null; |
693 |
} |
694 |
}); |
695 |
} |
696 |
|
697 |
public void beginAppend() throws DataException { |
698 |
this.close();
|
699 |
getResource().execute(new ResourceAction() {
|
700 |
public Object run() throws Exception { |
701 |
writer.begin(getDBFParameters(), |
702 |
getStoreServices().getDefaultFeatureType(), |
703 |
getStoreServices().getFeatureStore().getFeatureCount()); |
704 |
return null; |
705 |
} |
706 |
}); |
707 |
} |
708 |
|
709 |
public void endAppend() throws DataException { |
710 |
getResource().execute(new ResourceAction() {
|
711 |
public Object run() throws Exception { |
712 |
writer.end(); |
713 |
resourcesNotifyChanges(); |
714 |
counterNewsOIDs = -1;
|
715 |
return null; |
716 |
} |
717 |
}); |
718 |
} |
719 |
|
720 |
public void resourceChanged(ResourceProvider resource) { |
721 |
if (this.getStoreServices()!=null){ |
722 |
this.getStoreServices().notifyChange(
|
723 |
DataStoreNotification.RESOURCE_CHANGED, |
724 |
resource); |
725 |
} |
726 |
} |
727 |
|
728 |
/**
|
729 |
*
|
730 |
* @throws ResourceNotifyChangesException
|
731 |
*/
|
732 |
protected void resourcesNotifyChanges() |
733 |
throws ResourceNotifyChangesException {
|
734 |
this.dbfResource.notifyChanges();
|
735 |
} |
736 |
|
737 |
/**
|
738 |
* @throws ResourceNotifyCloseException
|
739 |
*
|
740 |
*/
|
741 |
protected void resourcesNotifyClose() throws ResourceNotifyCloseException { |
742 |
this.dbfResource.notifyClose();
|
743 |
} |
744 |
|
745 |
/**
|
746 |
* @throws ResourceNotifyOpenException
|
747 |
*
|
748 |
*/
|
749 |
protected void resourcesOpen() throws ResourceNotifyOpenException { |
750 |
this.dbfResource.notifyOpen();
|
751 |
} |
752 |
|
753 |
public Object getSourceId() { |
754 |
return this.getDBFParameters().getFile(); |
755 |
} |
756 |
|
757 |
public String getName() { |
758 |
String name = this.getDBFParameters().getFile().getName(); |
759 |
int n = name.lastIndexOf("."); |
760 |
if (n < 1) { |
761 |
return name;
|
762 |
} |
763 |
return name.substring(0, n); |
764 |
} |
765 |
|
766 |
public String getFullName() { |
767 |
return this.getDBFParameters().getFile().getAbsolutePath(); |
768 |
} |
769 |
|
770 |
protected void resourceCloseRequest() throws ResourceException { |
771 |
this.dbfResource.closeRequest();
|
772 |
} |
773 |
|
774 |
public ResourceProvider getResource() {
|
775 |
return dbfResource;
|
776 |
} |
777 |
|
778 |
} |