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.csv / src / main / java / org / gvsig / fmap / dal / store / csv / CSVStoreProvider.java @ 41062
History | View | Annotate | Download (31.3 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 |
package org.gvsig.fmap.dal.store.csv; |
25 |
|
26 |
import java.io.File; |
27 |
import java.io.FileReader; |
28 |
import java.io.FileWriter; |
29 |
import java.io.IOException; |
30 |
import java.net.URL; |
31 |
import java.text.SimpleDateFormat; |
32 |
import java.util.ArrayList; |
33 |
import java.util.HashMap; |
34 |
import java.util.Iterator; |
35 |
import java.util.List; |
36 |
|
37 |
import org.apache.commons.io.FilenameUtils; |
38 |
import org.cresques.cts.IProjection; |
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.DataException; |
47 |
import org.gvsig.fmap.dal.exception.InitializeException; |
48 |
import org.gvsig.fmap.dal.exception.OpenException; |
49 |
import org.gvsig.fmap.dal.exception.ReadException; |
50 |
import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
51 |
import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
52 |
import org.gvsig.fmap.dal.feature.EditableFeatureType; |
53 |
import org.gvsig.fmap.dal.feature.Feature; |
54 |
import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
55 |
import org.gvsig.fmap.dal.feature.FeatureSet; |
56 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
57 |
import org.gvsig.fmap.dal.feature.FeatureType; |
58 |
import org.gvsig.fmap.dal.feature.exception.PerformEditingException; |
59 |
import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
60 |
import org.gvsig.fmap.dal.feature.spi.FeatureStoreProviderServices; |
61 |
import org.gvsig.fmap.dal.feature.spi.memory.AbstractMemoryStoreProvider; |
62 |
import org.gvsig.fmap.dal.resource.ResourceAction; |
63 |
import org.gvsig.fmap.dal.resource.file.FileResource; |
64 |
import org.gvsig.fmap.dal.resource.spi.ResourceConsumer; |
65 |
import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
66 |
import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorer; |
67 |
import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorerParameters; |
68 |
import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
69 |
import org.gvsig.fmap.geom.Geometry; |
70 |
import org.gvsig.fmap.geom.GeometryLocator; |
71 |
import org.gvsig.fmap.geom.GeometryManager; |
72 |
import org.gvsig.fmap.geom.primitive.Envelope; |
73 |
import org.gvsig.fmap.geom.primitive.Point; |
74 |
import org.gvsig.fmap.geom.type.GeometryType; |
75 |
import org.gvsig.tools.ToolsLocator; |
76 |
import org.gvsig.tools.dataTypes.CoercionException; |
77 |
import org.gvsig.tools.dataTypes.DataTypesManager; |
78 |
import org.gvsig.tools.dataTypes.DataTypesManager.Coercion; |
79 |
import org.gvsig.tools.dispose.DisposableIterator; |
80 |
import org.gvsig.tools.dynobject.DynObject; |
81 |
import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
82 |
import org.gvsig.tools.evaluator.AbstractEvaluator; |
83 |
import org.gvsig.tools.evaluator.EvaluatorData; |
84 |
import org.gvsig.tools.evaluator.EvaluatorException; |
85 |
import org.gvsig.tools.exception.BaseException; |
86 |
import org.gvsig.tools.exception.NotYetImplemented; |
87 |
import org.gvsig.tools.persistence.PersistentState; |
88 |
import org.gvsig.tools.persistence.exception.PersistenceException; |
89 |
import org.gvsig.tools.task.SimpleTaskStatus; |
90 |
import org.gvsig.tools.task.TaskStatusManager; |
91 |
import org.gvsig.tools.visitor.VisitCanceledException; |
92 |
import org.gvsig.tools.visitor.Visitor; |
93 |
import org.slf4j.Logger; |
94 |
import org.slf4j.LoggerFactory; |
95 |
import org.supercsv.comment.CommentStartsWith; |
96 |
import org.supercsv.io.CsvListReader; |
97 |
import org.supercsv.io.CsvListWriter; |
98 |
import org.supercsv.prefs.CsvPreference; |
99 |
import org.supercsv.quote.QuoteMode; |
100 |
|
101 |
public class CSVStoreProvider extends AbstractMemoryStoreProvider implements |
102 |
ResourceConsumer { |
103 |
private static final Logger logger = LoggerFactory.getLogger(CSVStoreProvider.class); |
104 |
|
105 |
public static final String NAME = "CSV"; |
106 |
public static final String DESCRIPTION = "CSV file"; |
107 |
|
108 |
public static final String METADATA_DEFINITION_NAME = NAME; |
109 |
|
110 |
private ResourceProvider resource;
|
111 |
|
112 |
private long counterNewsOIDs = 0; |
113 |
private Envelope envelope;
|
114 |
private boolean need_calculate_envelope = false; |
115 |
private SimpleTaskStatus taskStatus;
|
116 |
|
117 |
|
118 |
public CSVStoreProvider(CSVStoreParameters parameters,
|
119 |
DataStoreProviderServices storeServices) throws InitializeException {
|
120 |
super(
|
121 |
parameters, |
122 |
storeServices, |
123 |
FileHelper.newMetadataContainer(METADATA_DEFINITION_NAME) |
124 |
); |
125 |
|
126 |
TaskStatusManager manager = ToolsLocator.getTaskStatusManager(); |
127 |
this.taskStatus = manager.createDefaultSimpleTaskStatus("CSV"); |
128 |
|
129 |
counterNewsOIDs = 0;
|
130 |
|
131 |
File file = getCSVParameters().getFile();
|
132 |
resource = this.createResource(
|
133 |
FileResource.NAME, |
134 |
new Object[] { file.getAbsolutePath() } |
135 |
); |
136 |
|
137 |
resource.addConsumer(this);
|
138 |
initializeFeatureTypes(); |
139 |
} |
140 |
|
141 |
private CSVStoreParameters getCSVParameters() {
|
142 |
return (CSVStoreParameters) this.getParameters(); |
143 |
} |
144 |
|
145 |
public String getProviderName() { |
146 |
return NAME;
|
147 |
} |
148 |
|
149 |
public boolean allowWrite() { |
150 |
return true; |
151 |
} |
152 |
|
153 |
private String getFullFileName() { |
154 |
// Usar solo para mostrar mensajes en el logger.
|
155 |
String s = "(unknow)"; |
156 |
try {
|
157 |
s = getCSVParameters().getFile().getAbsolutePath(); |
158 |
} catch(Exception e2) { |
159 |
s = "(unknow)";
|
160 |
} |
161 |
return s;
|
162 |
} |
163 |
|
164 |
public void open() throws OpenException { |
165 |
if (this.data != null) { |
166 |
return;
|
167 |
} |
168 |
this.data = new ArrayList<FeatureProvider>(); |
169 |
resource.setData(new HashMap()); |
170 |
counterNewsOIDs = 0;
|
171 |
try {
|
172 |
loadFeatures(); |
173 |
} catch (RuntimeException e) { |
174 |
logger.warn("Can't load features from CSV '"+getFullFileName()+"'.", e); |
175 |
throw e;
|
176 |
} catch (Exception e) { |
177 |
logger.warn("Can't load features from CSV '"+getFullFileName()+"'.", e); |
178 |
throw new RuntimeException(e); |
179 |
} |
180 |
} |
181 |
|
182 |
public DataServerExplorer getExplorer() throws ReadException { |
183 |
DataManager manager = DALLocator.getDataManager(); |
184 |
FilesystemServerExplorerParameters params; |
185 |
try {
|
186 |
params = (FilesystemServerExplorerParameters) manager |
187 |
.createServerExplorerParameters(FilesystemServerExplorer.NAME); |
188 |
params.setRoot(this.getCSVParameters().getFile().getParent());
|
189 |
return manager.openServerExplorer(FilesystemServerExplorer.NAME,params);
|
190 |
} catch (DataException e) {
|
191 |
throw new ReadException(this.getProviderName(), e); |
192 |
} catch (ValidateDataParametersException e) {
|
193 |
throw new ReadException(this.getProviderName(), e); |
194 |
} |
195 |
|
196 |
} |
197 |
|
198 |
class Writer { |
199 |
private Envelope envelope = null; |
200 |
private boolean calculate_envelope = false; |
201 |
private CsvListWriter listWriter = null; |
202 |
private CsvPreference csvpreferences = null; |
203 |
private FileWriter fwriter = null; |
204 |
private FeatureType ftype;
|
205 |
private File file; |
206 |
private String[] values; |
207 |
private FeatureAttributeDescriptor[] descriptors; |
208 |
private Coercion convert = null; |
209 |
private int errorcounts =0; |
210 |
private Throwable lasterror = null; |
211 |
|
212 |
public void initialize(File file, FeatureType ftype, CsvPreference csvpreferences) { |
213 |
this.file = file;
|
214 |
this.ftype = ftype;
|
215 |
this.csvpreferences = csvpreferences;
|
216 |
if( csvpreferences == null ) { |
217 |
this.csvpreferences = CsvPreference.STANDARD_PREFERENCE;
|
218 |
} |
219 |
if( ftype.getDefaultGeometryAttributeName() != null ) { |
220 |
this.calculate_envelope = true; |
221 |
} |
222 |
this.descriptors = this.ftype.getAttributeDescriptors(); |
223 |
this.convert = ToolsLocator.getDataTypesManager().getCoercion(org.gvsig.tools.dataTypes.DataTypes.STRING);
|
224 |
this.errorcounts = 0; |
225 |
} |
226 |
|
227 |
public void begin() { |
228 |
try {
|
229 |
this.fwriter = new FileWriter(file); |
230 |
} catch (IOException e) { |
231 |
logger.warn("Can't open file for write ("+file.getAbsolutePath()+").",e); |
232 |
throw new RuntimeException(e); |
233 |
} |
234 |
this.listWriter = new CsvListWriter(this.fwriter,this.csvpreferences); |
235 |
int n = 0; |
236 |
for(int i=0; i<descriptors.length; i++ ) { |
237 |
FeatureAttributeDescriptor descriptor = descriptors[i]; |
238 |
if( descriptor.getEvaluator()== null ) { |
239 |
n++; |
240 |
} |
241 |
} |
242 |
|
243 |
String[] header = new String[n]; |
244 |
this.values = new String[n]; |
245 |
n = 0;
|
246 |
for(int i=0; i<descriptors.length; i++ ) { |
247 |
FeatureAttributeDescriptor descriptor = descriptors[i]; |
248 |
if( descriptor.getEvaluator()== null ) { |
249 |
String name = descriptor.getName();
|
250 |
String type = descriptor.getDataTypeName();
|
251 |
header[n++] = name + "__" + type;
|
252 |
} |
253 |
} |
254 |
try {
|
255 |
listWriter.writeHeader(header); |
256 |
} catch (Exception e) { |
257 |
logger.warn("Can't write header '"+header.toString()+"' file for write ("+file.getAbsolutePath()+").",e); |
258 |
throw new RuntimeException(e); |
259 |
} |
260 |
} |
261 |
|
262 |
public void add(FeatureProvider feature) { |
263 |
if (this.calculate_envelope) { |
264 |
Geometry geom = feature.getDefaultGeometry(); |
265 |
if (geom != null) { |
266 |
if (envelope == null) { |
267 |
try {
|
268 |
envelope = (Envelope) geom.getEnvelope().clone(); |
269 |
} catch (CloneNotSupportedException e) { |
270 |
logger.warn("Este error no deberia pasar, siempre se puede hacer un clone de un envelope.",e);
|
271 |
} |
272 |
} else {
|
273 |
envelope.add(geom.getEnvelope()); |
274 |
} |
275 |
} |
276 |
} |
277 |
int n = 0; |
278 |
for(int i=0; i<descriptors.length; i++ ) { |
279 |
FeatureAttributeDescriptor descriptor = descriptors[i]; |
280 |
if( descriptor.getEvaluator()== null ) { |
281 |
Object value = feature.get(i);
|
282 |
try {
|
283 |
n++; |
284 |
values[n] = (String) this.convert.coerce(value); |
285 |
} catch (CoercionException e) {
|
286 |
try {
|
287 |
values[n] = value.toString(); |
288 |
} catch(Exception ex) { |
289 |
values[n] = "";
|
290 |
} |
291 |
if( errorcounts++ <= 10 ) { |
292 |
this.lasterror = e;
|
293 |
logger.warn("Can't convert value of field "+i+" to string in CVS file '"+getFullFileName()+"'.",e); |
294 |
if( errorcounts == 10 ) { |
295 |
logger.warn("Too many error writing CVS file '"+getFullFileName()+"', don't output more."); |
296 |
} |
297 |
} |
298 |
} |
299 |
} |
300 |
} |
301 |
try {
|
302 |
this.listWriter.writeHeader(values);
|
303 |
} catch (IOException e) { |
304 |
if( errorcounts++ <= 10 ) { |
305 |
this.lasterror = e;
|
306 |
logger.warn("Can't write values to CVS file '"+getFullFileName()+"'.",e); |
307 |
if( errorcounts == 10 ) { |
308 |
logger.warn("Too many error writing CVS file '"+getFullFileName()+"', don't output more."); |
309 |
} |
310 |
} |
311 |
} |
312 |
|
313 |
} |
314 |
|
315 |
public void end() throws PerformEditingException { |
316 |
if( this.errorcounts>0 ) { |
317 |
throw new PerformEditingException(this.file.getAbsolutePath(), lasterror); |
318 |
} |
319 |
if( listWriter!=null ) { |
320 |
try {
|
321 |
listWriter.close(); |
322 |
} catch(Exception ex) { |
323 |
// Ignore error
|
324 |
} |
325 |
listWriter=null ;
|
326 |
} |
327 |
if( fwriter!=null ) { |
328 |
try {
|
329 |
fwriter.close(); |
330 |
} catch(Exception ex) { |
331 |
// Ignore error
|
332 |
} |
333 |
fwriter=null ;
|
334 |
} |
335 |
} |
336 |
|
337 |
public Envelope getEnvelope() {
|
338 |
return this.envelope; |
339 |
} |
340 |
} |
341 |
|
342 |
public void performChanges(Iterator deleteds, Iterator inserteds, Iterator updateds, Iterator originalFeatureTypesUpdated) throws PerformEditingException { |
343 |
|
344 |
try {
|
345 |
this.taskStatus.add();
|
346 |
taskStatus.message("_preparing");
|
347 |
getResource().execute(new ResourceAction() {
|
348 |
public Object run() throws Exception { |
349 |
FeatureSet features = null;
|
350 |
DisposableIterator it = null;
|
351 |
try {
|
352 |
File file = (File) resource.get(); |
353 |
|
354 |
Writer writer = new Writer(); |
355 |
writer.initialize(file,getStoreServices().getDefaultFeatureType(),null);
|
356 |
features = |
357 |
getStoreServices().getFeatureStore() |
358 |
.getFeatureSet(); |
359 |
List<FeatureProvider> newdata = new ArrayList<FeatureProvider>(); |
360 |
writer.begin(); |
361 |
it = features.fastIterator(); |
362 |
taskStatus.setRangeOfValues(0,0); |
363 |
long counter=0; |
364 |
while (it.hasNext()) {
|
365 |
taskStatus.setCurValue(counter++); |
366 |
FeatureProvider feature = getStoreServices().getFeatureProviderFromFeature( |
367 |
(org.gvsig.fmap.dal.feature.Feature) it.next()); |
368 |
writer.add(feature); |
369 |
if (feature.getOID() == null){ |
370 |
logger.warn("feature without OID");
|
371 |
feature.setOID(createNewOID()); |
372 |
} |
373 |
newdata.add(feature); |
374 |
} |
375 |
data = newdata; |
376 |
if (writer.getEnvelope() != null){ |
377 |
envelope = writer.getEnvelope().getGeometry().getEnvelope(); |
378 |
} |
379 |
resource.notifyChanges(); |
380 |
writer.end(); |
381 |
} finally {
|
382 |
if (it != null) { |
383 |
it.dispose(); |
384 |
} |
385 |
if (features != null) { |
386 |
features.dispose(); |
387 |
} |
388 |
} |
389 |
return null; |
390 |
} |
391 |
}); |
392 |
this.taskStatus.terminate();
|
393 |
} catch (Exception e) { |
394 |
this.taskStatus.abort();
|
395 |
throw new PerformEditingException(getResource().toString(), e); |
396 |
} finally {
|
397 |
this.taskStatus.remove();
|
398 |
} |
399 |
} |
400 |
|
401 |
public boolean closeResourceRequested(ResourceProvider resource) { |
402 |
return true; |
403 |
} |
404 |
|
405 |
public int getOIDType() { |
406 |
return DataTypes.LONG;
|
407 |
} |
408 |
|
409 |
public boolean supportsAppendMode() { |
410 |
return false; |
411 |
} |
412 |
|
413 |
public void append(FeatureProvider featureProvider) { |
414 |
throw new UnsupportedOperationException(); |
415 |
} |
416 |
|
417 |
public void beginAppend() { |
418 |
throw new UnsupportedOperationException(); |
419 |
} |
420 |
|
421 |
public void endAppend() { |
422 |
throw new UnsupportedOperationException(); |
423 |
} |
424 |
|
425 |
public void saveToState(PersistentState state) throws PersistenceException { |
426 |
throw new NotYetImplemented(); |
427 |
} |
428 |
|
429 |
public void loadFromState(PersistentState state) throws PersistenceException { |
430 |
throw new NotYetImplemented(); |
431 |
} |
432 |
|
433 |
public Object createNewOID() { |
434 |
return new Long(counterNewsOIDs++); |
435 |
} |
436 |
|
437 |
protected void initializeFeatureTypes() throws InitializeException { |
438 |
try {
|
439 |
this.open();
|
440 |
} catch (OpenException e) {
|
441 |
throw new InitializeException(this.getProviderName(), e); |
442 |
} |
443 |
} |
444 |
|
445 |
public Envelope getEnvelope() throws DataException { |
446 |
this.open();
|
447 |
if( this.envelope!= null ) { |
448 |
return this.envelope; |
449 |
} |
450 |
if( !this.need_calculate_envelope ) { |
451 |
return null; |
452 |
} |
453 |
FeatureStore fs = this.getFeatureStore();
|
454 |
FeatureType ft = fs.getDefaultFeatureType(); |
455 |
FeatureAttributeDescriptor fad = ft.getAttributeDescriptor(ft.getDefaultGeometryAttributeIndex()); |
456 |
|
457 |
try {
|
458 |
this.envelope = GeometryLocator.getGeometryManager().createEnvelope(fad.getGeomType().getSubType());
|
459 |
fs.accept(new Visitor() {
|
460 |
public void visit(Object obj) throws VisitCanceledException, BaseException { |
461 |
Feature f = (Feature) obj; |
462 |
Geometry geom = f.getDefaultGeometry(); |
463 |
envelope.add(geom.getEnvelope()); |
464 |
} |
465 |
}); |
466 |
} catch (BaseException e) {
|
467 |
logger.warn("Can't calculate the envelope of CSV file '"+this.getFullName()+"'.",e); |
468 |
this.envelope = null; |
469 |
} |
470 |
|
471 |
this.need_calculate_envelope = false; |
472 |
return this.envelope; |
473 |
} |
474 |
|
475 |
public Object getDynValue(String name) throws DynFieldNotFoundException { |
476 |
if( DataStore.METADATA_ENVELOPE.equalsIgnoreCase(name) ) {
|
477 |
try {
|
478 |
return this.getEnvelope(); |
479 |
} catch (DataException e) {
|
480 |
return null; |
481 |
} |
482 |
} else {
|
483 |
if( DataStore.METADATA_CRS.equalsIgnoreCase(name) ) {
|
484 |
IProjection pro = CSVStoreParameters.getCRS(this.getCSVParameters());
|
485 |
if (pro != null){ |
486 |
return pro;
|
487 |
} |
488 |
} |
489 |
} |
490 |
return super.getDynValue(name); |
491 |
} |
492 |
|
493 |
|
494 |
public void resourceChanged(ResourceProvider resource) { |
495 |
this.getStoreServices().notifyChange(
|
496 |
DataStoreNotification.RESOURCE_CHANGED, |
497 |
resource); |
498 |
} |
499 |
|
500 |
|
501 |
public Object getSourceId() { |
502 |
return this.getCSVParameters().getFile(); |
503 |
} |
504 |
|
505 |
public String getName() { |
506 |
String name = this.getCSVParameters().getFile().getName(); |
507 |
return FilenameUtils.getBaseName(name);
|
508 |
} |
509 |
|
510 |
public String getFullName() { |
511 |
return this.getCSVParameters().getFile().getAbsolutePath(); |
512 |
} |
513 |
|
514 |
public ResourceProvider getResource() {
|
515 |
return resource;
|
516 |
} |
517 |
|
518 |
private boolean isEmpty(String s) { |
519 |
if( s==null ) { |
520 |
return true; |
521 |
} |
522 |
return s.trim().length()==0; |
523 |
} |
524 |
|
525 |
private CsvPreference getCSVPreferences() {
|
526 |
try {
|
527 |
String s = null; |
528 |
char quoteChar;
|
529 |
int delimiterChar;
|
530 |
String endOfLineSymbols;
|
531 |
|
532 |
DynObject params = this.getParameters();
|
533 |
|
534 |
CsvPreference.Builder builder = null;
|
535 |
|
536 |
CsvPreference defaultPreference = CSVStoreParameters |
537 |
.getPredefinedCSVPreferences(params); |
538 |
if (defaultPreference == null) { |
539 |
defaultPreference = CsvPreference.STANDARD_PREFERENCE; |
540 |
} |
541 |
|
542 |
endOfLineSymbols = CSVStoreParameters.getRecordSeparator(params); |
543 |
if (isEmpty(endOfLineSymbols)) {
|
544 |
endOfLineSymbols = defaultPreference.getEndOfLineSymbols(); |
545 |
} |
546 |
s = CSVStoreParameters.getQuoteCharacter(params); |
547 |
if (isEmpty(s)) {
|
548 |
quoteChar = (char) defaultPreference.getQuoteChar();
|
549 |
} else {
|
550 |
quoteChar = s.charAt(0);
|
551 |
} |
552 |
s = CSVStoreParameters.getDelimiter(params); |
553 |
if (isEmpty(s)) {
|
554 |
delimiterChar = defaultPreference.getDelimiterChar(); |
555 |
} else {
|
556 |
delimiterChar = s.charAt(0);
|
557 |
} |
558 |
|
559 |
builder = new CsvPreference.Builder(quoteChar, delimiterChar,
|
560 |
endOfLineSymbols); |
561 |
|
562 |
s = CSVStoreParameters.getCommentStartMarker(params); |
563 |
if (!isEmpty(s)) {
|
564 |
CommentStartsWith cs = new CommentStartsWith(s);
|
565 |
builder.skipComments(cs); |
566 |
} |
567 |
|
568 |
builder.surroundingSpacesNeedQuotes(CSVStoreParameters |
569 |
.getSurroundingSpacesNeedQuotes(params)); |
570 |
QuoteMode quoteMode = CSVStoreParameters.getQuoteMode(params); |
571 |
if( quoteMode != null ) { |
572 |
builder.useQuoteMode(quoteMode); |
573 |
} |
574 |
return builder.build();
|
575 |
} catch (Exception e) { |
576 |
logger.warn("Can't make preferences for CSV '" + getFullFileName()
|
577 |
+ "'.", e);
|
578 |
return null; |
579 |
} |
580 |
} |
581 |
|
582 |
private EditableFeatureType getFeatureType(String headers[], int automaticTypes[]) { |
583 |
EditableFeatureType fType = getStoreServices().createFeatureType(this.getName());
|
584 |
fType.setHasOID(true);
|
585 |
DataTypesManager dataTypesManager = ToolsLocator.getDataTypesManager(); |
586 |
|
587 |
int[] types = new int[headers.length]; |
588 |
//
|
589 |
// Calculamos cuales pueden ser los tipos de datos
|
590 |
//
|
591 |
|
592 |
// Por defecto todos string
|
593 |
for( int i=0; i<types.length ; i++) { |
594 |
types[i] = DataTypes.STRING; |
595 |
} |
596 |
|
597 |
// Luego asuminos los tipos pasados por parametro, que se supone
|
598 |
// son los detectados automaticamente.
|
599 |
if (automaticTypes != null) { |
600 |
for (int i = 0; i < types.length && i < automaticTypes.length; i++) { |
601 |
types[i] = automaticTypes[i]; |
602 |
} |
603 |
} |
604 |
|
605 |
// Luego probamos con lo que diga las cabezeras del CVS, sobreescribiendo
|
606 |
// los tipos anteriores en caso de definirse en la cabezara.
|
607 |
for( int i=0; i<types.length; i++) { |
608 |
String s = headers[i];
|
609 |
String typename = null; |
610 |
if( s.contains(":") ) { |
611 |
String[] ss = s.split(":"); |
612 |
headers[i] = ss[0];
|
613 |
typename = ss[1];
|
614 |
types[i] = dataTypesManager.getType(typename); |
615 |
} else if( s.contains("__") ) { |
616 |
String[] ss = s.split("__"); |
617 |
headers[i] = ss[0];
|
618 |
typename = ss[1];
|
619 |
types[i] = dataTypesManager.getType(typename); |
620 |
} |
621 |
if( types[i]==DataTypes.INVALID ) {
|
622 |
types[i] = DataTypes.STRING; |
623 |
logger.info("Type '"+typename+"' not valid for attribute '"+headers[i]+"' in CSV file '"+this.getFullFileName()+"'."); |
624 |
} |
625 |
} |
626 |
|
627 |
// Y por ultimo hacemos caso a lo que se haya especificado en los parametros
|
628 |
// de apertura del CSV, teniendo esto prioridad sobre todo.
|
629 |
int[] param_types = CSVStoreParameters.getFieldTypes(this.getParameters()); |
630 |
if( param_types != null ) { |
631 |
for( int i=0; i<types.length && i<param_types.length; i++) { |
632 |
types[i] = param_types[i]; |
633 |
} |
634 |
} |
635 |
|
636 |
//
|
637 |
// Una vez ya sabemos los tipos de datos rellenamos el feature-type
|
638 |
//
|
639 |
int[] param_sizes = CSVStoreParameters.getFieldSizes(this.getParameters()); |
640 |
for(int i=0; i<types.length; i++) { |
641 |
int fieldType = types[i];
|
642 |
String fieldName = headers[i];
|
643 |
EditableFeatureAttributeDescriptor fad = fType.add(fieldName, fieldType); |
644 |
if( param_sizes!=null && param_sizes[i]>0 ) { |
645 |
fad.setSize(param_sizes[i]); |
646 |
} |
647 |
if( fieldType == DataTypes.GEOMETRY && fType.getDefaultGeometryAttributeName() == null) { |
648 |
fType.setDefaultGeometryAttributeName(fieldName); |
649 |
} |
650 |
} |
651 |
String[] pointDimensionNames = CSVStoreParameters.getPointDimensionNames(this.getParameters()); |
652 |
if( pointDimensionNames!= null ) { |
653 |
EditableFeatureAttributeDescriptor attr = fType.add("GEOM", DataTypes.GEOMETRY, new ToPointEvaluaror(pointDimensionNames)); |
654 |
GeometryManager geommgr = GeometryLocator.getGeometryManager(); |
655 |
GeometryType gt; |
656 |
try {
|
657 |
gt = geommgr.getGeometryType(Geometry.TYPES.GEOMETRY, Geometry.SUBTYPES.GEOM3D); |
658 |
attr.setGeometryType(gt); |
659 |
} catch (Exception e) { |
660 |
logger.warn("Can't set geometry type for the calculated field in CSV file '"+getFullFileName()+"'.",e); |
661 |
} |
662 |
} |
663 |
return fType;
|
664 |
} |
665 |
|
666 |
static class ToPointEvaluaror extends AbstractEvaluator { |
667 |
|
668 |
private static final Logger logger = LoggerFactory.getLogger(ToPointEvaluaror.class); |
669 |
|
670 |
private GeometryManager geommgr = null; |
671 |
private String xname = null; |
672 |
private String yname = null; |
673 |
private String zname = null; |
674 |
private Coercion toDouble;
|
675 |
private int errorcount = 0; |
676 |
ToPointEvaluaror(String[] pointDimensionNames) { |
677 |
this.xname = pointDimensionNames[0]; |
678 |
this.yname = pointDimensionNames[1]; |
679 |
if( pointDimensionNames.length >2 ) { |
680 |
this.yname = pointDimensionNames[2]; |
681 |
} |
682 |
this.geommgr = GeometryLocator.getGeometryManager();
|
683 |
this.toDouble = ToolsLocator.getDataTypesManager().getCoercion(DataTypes.DOUBLE);
|
684 |
} |
685 |
|
686 |
public Object evaluate(EvaluatorData data) throws EvaluatorException { |
687 |
try {
|
688 |
double x = ((Double) toDouble.coerce(data.getDataValue(xname))).doubleValue(); |
689 |
double y = ((Double) toDouble.coerce(data.getDataValue(yname))).doubleValue(); |
690 |
Point point = geommgr.createPoint(x, y,Geometry.SUBTYPES.GEOM3D);
|
691 |
if (zname != null) { |
692 |
double z = ((Double) toDouble.coerce(data.getDataValue(zname))).doubleValue(); |
693 |
point.setCoordinateAt(2, z);
|
694 |
} |
695 |
return point;
|
696 |
} catch (Exception ex) { |
697 |
if( ++errorcount <5 ) { |
698 |
logger.warn("["+errorcount+"] Can't create point in CSV provider. XNAME='"+ |
699 |
xname + "', YNAME='"+yname+"', ZNAME='"+zname+"', data="+data.toString()); |
700 |
} |
701 |
return null; |
702 |
} |
703 |
} |
704 |
|
705 |
public String getName() { |
706 |
return "ToPointEvaluaror"; |
707 |
} |
708 |
|
709 |
} |
710 |
|
711 |
private void loadFeatures() throws IOException, DataException, |
712 |
CoercionException, CloneNotSupportedException {
|
713 |
//
|
714 |
// http://supercsv.sourceforge.net/examples_reading.html
|
715 |
// http://supercsv.sourceforge.net/apidocs/index.html
|
716 |
//
|
717 |
FileReader in = null; |
718 |
CsvListReader reader = null;
|
719 |
try {
|
720 |
String headers[] = null; |
721 |
FeatureStoreProviderServices store = this.getStoreServices();
|
722 |
|
723 |
boolean ignore_errors = CSVStoreParameters.getIgnoreErrors(getCSVParameters());
|
724 |
|
725 |
// Initiaize the CSV parser
|
726 |
CsvPreference preferences = getCSVPreferences(); |
727 |
in = new FileReader(this.getCSVParameters().getFile()); |
728 |
|
729 |
reader = new CsvListReader(in, preferences);
|
730 |
headers = CSVStoreParameters.getHeaders(getCSVParameters()); |
731 |
if (headers == null) { |
732 |
headers = reader.getHeader(true);
|
733 |
if (headers == null) { |
734 |
String msg = "Can't retrieve header from csv file '" |
735 |
+ this.getCSVParameters().getFile()
|
736 |
.getAbsolutePath() |
737 |
+ "' and not specified in the parameters.";
|
738 |
logger.warn(msg); |
739 |
throw new RuntimeException(msg); |
740 |
} |
741 |
} |
742 |
|
743 |
// Initialize the feature types
|
744 |
EditableFeatureType edftype = this.getFeatureType(headers, automaticDetectionOfTypes());
|
745 |
FeatureType ftype = edftype.getNotEditableCopy(); |
746 |
List<FeatureType> ftypes = new ArrayList<FeatureType>(); |
747 |
ftypes.add(ftype); |
748 |
store.setFeatureTypes(ftypes, ftype); |
749 |
|
750 |
Coercion coercion[] = new Coercion[ftype.size()]; |
751 |
int sizes[] = new int[ftype.size()]; |
752 |
for (int i = 0; i < ftype.size(); i++) { |
753 |
sizes[i] = -1;
|
754 |
FeatureAttributeDescriptor ad = ftype.getAttributeDescriptor(i); |
755 |
coercion[i] = ad.getDataType().getCoercion(); |
756 |
if( ad.getDataType().getType() == DataTypes.STRING ) {
|
757 |
if( ad.getSize() == 0 ) { |
758 |
// Es un string y no tiene un size asignado.
|
759 |
// Lo ponemos a cero para calcularlo.
|
760 |
sizes[i] = 0;
|
761 |
} |
762 |
} |
763 |
} |
764 |
if( ftype.getDefaultGeometryAttributeName() != null) { |
765 |
this.need_calculate_envelope = true; |
766 |
} |
767 |
taskStatus.message("_loading");
|
768 |
int count = 0; |
769 |
|
770 |
int count_errors = 0; |
771 |
List<String> row = reader.read(); |
772 |
|
773 |
while (row != null) { |
774 |
taskStatus.setCurValue(++count); |
775 |
FeatureProvider feature = this.createFeatureProvider(ftype);
|
776 |
for (int i = 0; i < row.size(); i++) { |
777 |
Object rawvalue = row.get(i);
|
778 |
try {
|
779 |
Object value = coercion[i].coerce(rawvalue);
|
780 |
feature.set(i, value); |
781 |
if (sizes[i] >= 0 && value != null) { |
782 |
int x = ((String) value).length(); |
783 |
if (sizes[i] < x) {
|
784 |
sizes[i] = x; |
785 |
} |
786 |
} |
787 |
} catch (RuntimeException ex) { |
788 |
if (!ignore_errors) {
|
789 |
throw ex;
|
790 |
} |
791 |
if( count_errors++ <10 ) { |
792 |
logger.warn("Can't load value of attribute "+i+" in row "+count+".",ex); |
793 |
} |
794 |
if( count_errors==10 ) { |
795 |
logger.info("Too many errors, suppress messages.");
|
796 |
} |
797 |
} |
798 |
} |
799 |
this.addFeatureProvider(feature);
|
800 |
row = reader.read(); |
801 |
} |
802 |
for (int i = 0; i < ftype.size(); i++) { |
803 |
if( sizes[i]>0 ) { |
804 |
EditableFeatureAttributeDescriptor efad = ((EditableFeatureAttributeDescriptor)edftype.getAttributeDescriptor(i)); |
805 |
efad.setSize(sizes[i]); |
806 |
} |
807 |
} |
808 |
// Volvemos a asignar al store el featuretype, ya que puede
|
809 |
// haber cambiado.
|
810 |
ftype = edftype.getNotEditableCopy(); |
811 |
ftypes = new ArrayList<FeatureType>(); |
812 |
ftypes.add(ftype); |
813 |
store.setFeatureTypes(ftypes, ftype); |
814 |
|
815 |
taskStatus.terminate(); |
816 |
} finally {
|
817 |
if( reader != null ) { |
818 |
try {
|
819 |
reader.close(); |
820 |
} catch(Exception ex) { |
821 |
// Do nothing
|
822 |
} |
823 |
reader = null;
|
824 |
} |
825 |
if( in != null ) { |
826 |
try {
|
827 |
in.close(); |
828 |
} catch(Exception ex) { |
829 |
// Do nothing
|
830 |
} |
831 |
in = null;
|
832 |
} |
833 |
} |
834 |
} |
835 |
|
836 |
private int[] automaticDetectionOfTypes() throws IOException { |
837 |
boolean automatic_types_detection = CSVStoreParameters.getAutomaticTypesDetection(getCSVParameters());
|
838 |
if( !automatic_types_detection ) {
|
839 |
return null; |
840 |
} |
841 |
|
842 |
final int T_INT = 0; |
843 |
final int T_FLOAT = 1; |
844 |
final int T_DOUBLE = 2; |
845 |
final int T_LONG = 3; |
846 |
final int T_URL = 4; |
847 |
final int T_DATE = 5; |
848 |
boolean possibleDataTypes[][] = null; |
849 |
int[] types = null; |
850 |
|
851 |
FileReader in = null; |
852 |
CsvListReader reader = null;
|
853 |
String headers[] = null; |
854 |
SimpleDateFormat dateFormat = new SimpleDateFormat(); |
855 |
|
856 |
try {
|
857 |
CsvPreference preferences = getCSVPreferences(); |
858 |
in = new FileReader(this.getCSVParameters().getFile()); |
859 |
|
860 |
reader = new CsvListReader(in, preferences);
|
861 |
headers = reader.getHeader(true);
|
862 |
if (headers == null) { |
863 |
headers = CSVStoreParameters.getHeaders(getCSVParameters()); |
864 |
} |
865 |
types = new int[headers.length]; |
866 |
|
867 |
possibleDataTypes = new boolean[headers.length][6]; |
868 |
for (int i = 0; i < possibleDataTypes.length; i++) { |
869 |
for( int j=0; j<4; j++ ) { |
870 |
possibleDataTypes[i][j] = true;
|
871 |
} |
872 |
} |
873 |
List<String> row = reader.read(); |
874 |
|
875 |
while (row != null) { |
876 |
for (int i = 0; i < row.size(); i++) { |
877 |
Object rawvalue = row.get(i);
|
878 |
Object value = null; |
879 |
if( possibleDataTypes[i][T_DOUBLE] ) {
|
880 |
try {
|
881 |
value = Double.parseDouble((String) rawvalue); |
882 |
possibleDataTypes[i][T_DOUBLE] = true;
|
883 |
} catch (Exception ex) { |
884 |
possibleDataTypes[i][T_DOUBLE] = false;
|
885 |
} |
886 |
} |
887 |
if( possibleDataTypes[i][T_FLOAT] ) {
|
888 |
try {
|
889 |
value = Float.parseFloat((String) rawvalue); |
890 |
possibleDataTypes[i][T_FLOAT] = true;
|
891 |
} catch (Exception ex) { |
892 |
possibleDataTypes[i][T_FLOAT] = false;
|
893 |
} |
894 |
} |
895 |
if (possibleDataTypes[i][T_LONG]) {
|
896 |
try {
|
897 |
value = Long.parseLong((String) rawvalue); |
898 |
possibleDataTypes[i][T_LONG] = true;
|
899 |
} catch (Exception ex) { |
900 |
possibleDataTypes[i][T_LONG] = false;
|
901 |
} |
902 |
} |
903 |
if (possibleDataTypes[i][T_INT]) {
|
904 |
try {
|
905 |
value = Integer.parseInt((String) rawvalue); |
906 |
possibleDataTypes[i][T_INT] = true;
|
907 |
} catch (Exception ex) { |
908 |
possibleDataTypes[i][T_INT] = false;
|
909 |
} |
910 |
} |
911 |
if (possibleDataTypes[i][T_DATE]) {
|
912 |
try {
|
913 |
value = dateFormat.parse((String) rawvalue);
|
914 |
possibleDataTypes[i][T_DATE] = true;
|
915 |
} catch (Exception ex) { |
916 |
possibleDataTypes[i][T_DATE] = false;
|
917 |
} |
918 |
} |
919 |
if (possibleDataTypes[i][T_URL]) {
|
920 |
try {
|
921 |
value = new URL((String) rawvalue); |
922 |
possibleDataTypes[i][T_URL] = true;
|
923 |
} catch (Exception ex) { |
924 |
possibleDataTypes[i][T_URL] = false;
|
925 |
} |
926 |
} |
927 |
} |
928 |
row = reader.read(); |
929 |
} |
930 |
} finally {
|
931 |
if (reader != null) { |
932 |
try {
|
933 |
reader.close(); |
934 |
} catch (Exception ex) { |
935 |
// Do nothing
|
936 |
} |
937 |
reader = null;
|
938 |
} |
939 |
if (in != null) { |
940 |
try {
|
941 |
in.close(); |
942 |
} catch (Exception ex) { |
943 |
// Do nothing
|
944 |
} |
945 |
in = null;
|
946 |
} |
947 |
|
948 |
} |
949 |
for (int i = 0; i < possibleDataTypes.length ; i++) { |
950 |
if( possibleDataTypes[i][T_DOUBLE] ) {
|
951 |
types[i] = DataTypes.DOUBLE; |
952 |
continue;
|
953 |
} |
954 |
if( possibleDataTypes[i][T_FLOAT] ) {
|
955 |
types[i] = DataTypes.FLOAT; |
956 |
continue;
|
957 |
} |
958 |
if( possibleDataTypes[i][T_LONG] ) {
|
959 |
types[i] = DataTypes.LONG; |
960 |
continue;
|
961 |
} |
962 |
if( possibleDataTypes[i][T_INT] ) {
|
963 |
types[i] = DataTypes.INT; |
964 |
continue;
|
965 |
} |
966 |
if( possibleDataTypes[i][T_URL] ) {
|
967 |
types[i] = DataTypes.URL; |
968 |
continue;
|
969 |
} |
970 |
if( possibleDataTypes[i][T_DATE] ) {
|
971 |
types[i] = DataTypes.DATE; |
972 |
continue;
|
973 |
} |
974 |
types[i] = DataTypes.STRING; |
975 |
} |
976 |
return types;
|
977 |
} |
978 |
|
979 |
} |