Line data Source code
1 : /******************************************************************************
2 : *
3 : * Project: WFS Translator
4 : * Purpose: Implements OGRWFSLayer class.
5 : * Author: Even Rouault, <even dot rouault at spatialys.com>
6 : *
7 : ******************************************************************************
8 : * Copyright (c) 2010-2013, Even Rouault <even dot rouault at spatialys.com>
9 : *
10 : * SPDX-License-Identifier: MIT
11 : ****************************************************************************/
12 :
13 : #include "cpl_port.h"
14 : #include "ogr_wfs.h"
15 : #include "ogr_api.h"
16 : #include "cpl_minixml.h"
17 : #include "cpl_http.h"
18 : #include "parsexsd.h"
19 : #include "ogrwfsfilter.h"
20 :
21 : /************************************************************************/
22 : /* OGRWFSLayer() */
23 : /************************************************************************/
24 :
25 209 : OGRWFSLayer::OGRWFSLayer(OGRWFSDataSource *poDSIn, OGRSpatialReference *poSRSIn,
26 : int bAxisOrderAlreadyInvertedIn,
27 : const char *pszBaseURLIn, const char *pszNameIn,
28 209 : const char *pszNSIn, const char *pszNSValIn)
29 : : poDS(poDSIn), poFeatureDefn(nullptr), bGotApproximateLayerDefn(false),
30 : poGMLFeatureClass(nullptr),
31 : bAxisOrderAlreadyInverted(bAxisOrderAlreadyInvertedIn), m_poSRS(poSRSIn),
32 209 : pszBaseURL(CPLStrdup(pszBaseURLIn)), pszName(CPLStrdup(pszNameIn)),
33 209 : pszNS(pszNSIn ? CPLStrdup(pszNSIn) : nullptr),
34 209 : pszNSVal(pszNSValIn ? CPLStrdup(pszNSValIn) : nullptr),
35 : bStreamingDS(false), poBaseDS(nullptr), poBaseLayer(nullptr),
36 : bHasFetched(false), bReloadNeeded(false), eGeomType(wkbUnknown),
37 : nFeatures(-1), bCountFeaturesInGetNextFeature(false),
38 : poFetchedFilterGeom(nullptr), nExpectedInserts(0), bInTransaction(false),
39 : bUseFeatureIdAtLayerLevel(false), bPagingActive(false),
40 836 : nPagingStartIndex(0), nFeatureRead(0), pszRequiredOutputFormat(nullptr)
41 : {
42 209 : SetDescription(pszName);
43 :
44 : // If changing that, change in the GML driver too
45 209 : m_osTmpDir = VSIMemGenerateHiddenFilename("_ogr_wfs_");
46 209 : }
47 :
48 : /************************************************************************/
49 : /* Clone() */
50 : /************************************************************************/
51 :
52 0 : OGRWFSLayer *OGRWFSLayer::Clone()
53 : {
54 : OGRWFSLayer *poDupLayer =
55 0 : new OGRWFSLayer(poDS, m_poSRS, bAxisOrderAlreadyInverted, pszBaseURL,
56 0 : pszName, pszNS, pszNSVal);
57 0 : if (m_poSRS)
58 0 : m_poSRS->Reference();
59 0 : poDupLayer->poFeatureDefn = GetLayerDefn()->Clone();
60 0 : poDupLayer->poFeatureDefn->Reference();
61 0 : poDupLayer->bGotApproximateLayerDefn = bGotApproximateLayerDefn;
62 0 : poDupLayer->eGeomType = poDupLayer->poFeatureDefn->GetGeomType();
63 0 : poDupLayer->pszRequiredOutputFormat =
64 0 : pszRequiredOutputFormat ? CPLStrdup(pszRequiredOutputFormat) : nullptr;
65 :
66 : /* Copy existing schema file if already found */
67 0 : CPLString osSrcFileName = CPLSPrintf("%s/file.xsd", m_osTmpDir.c_str());
68 : CPLString osTargetFileName =
69 0 : CPLSPrintf("%s/file.xsd", poDupLayer->m_osTmpDir.c_str());
70 0 : CPL_IGNORE_RET_VAL(CPLCopyFile(osTargetFileName, osSrcFileName));
71 :
72 0 : return poDupLayer;
73 : }
74 :
75 : /************************************************************************/
76 : /* ~OGRWFSLayer() */
77 : /************************************************************************/
78 :
79 418 : OGRWFSLayer::~OGRWFSLayer()
80 :
81 : {
82 209 : if (bInTransaction)
83 0 : OGRWFSLayer::CommitTransaction();
84 :
85 209 : if (m_poSRS != nullptr)
86 191 : m_poSRS->Release();
87 :
88 209 : if (poFeatureDefn != nullptr)
89 157 : poFeatureDefn->Release();
90 209 : delete poGMLFeatureClass;
91 :
92 209 : CPLFree(pszBaseURL);
93 209 : CPLFree(pszName);
94 209 : CPLFree(pszNS);
95 209 : CPLFree(pszNSVal);
96 :
97 209 : GDALClose(poBaseDS);
98 :
99 209 : delete poFetchedFilterGeom;
100 :
101 209 : VSIRmdirRecursive(m_osTmpDir.c_str());
102 :
103 209 : CPLFree(pszRequiredOutputFormat);
104 418 : }
105 :
106 : /************************************************************************/
107 : /* SetActiveSRS() */
108 : /************************************************************************/
109 :
110 4 : OGRErr OGRWFSLayer::SetActiveSRS(int /*iGeomField*/,
111 : const OGRSpatialReference *poSRS)
112 : {
113 4 : if (poSRS == nullptr)
114 1 : return OGRERR_FAILURE;
115 3 : const char *const apszOptions[] = {
116 : "IGNORE_DATA_AXIS_TO_SRS_AXIS_MAPPING=YES", nullptr};
117 3 : size_t i = 0;
118 9 : for (const auto &poSupportedSRS : m_apoSupportedCRSList)
119 : {
120 8 : if (poSupportedSRS->IsSame(poSRS, apszOptions))
121 : {
122 2 : m_osSRSName = m_aosSupportedCRSList[i];
123 2 : if (m_poSRS)
124 2 : m_poSRS->Release();
125 2 : m_poSRS = poSRS->Clone();
126 2 : m_poSRS->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
127 2 : if (poFeatureDefn)
128 : {
129 0 : auto poGeomFieldDefn = poFeatureDefn->GetGeomFieldDefn(0);
130 0 : if (poGeomFieldDefn)
131 : {
132 0 : poGeomFieldDefn->SetSpatialRef(m_poSRS);
133 : }
134 : }
135 2 : m_oExtents = OGREnvelope();
136 2 : if (m_oWGS84Extents.IsInit())
137 : {
138 4 : OGRSpatialReference oWGS84;
139 2 : oWGS84.SetWellKnownGeogCS("WGS84");
140 2 : oWGS84.SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
141 : auto poCT = std::unique_ptr<OGRCoordinateTransformation>(
142 4 : OGRCreateCoordinateTransformation(&oWGS84, m_poSRS));
143 2 : if (poCT)
144 : {
145 2 : poCT->TransformBounds(
146 : m_oWGS84Extents.MinX, m_oWGS84Extents.MinY,
147 : m_oWGS84Extents.MaxX, m_oWGS84Extents.MaxY,
148 : &m_oExtents.MinX, &m_oExtents.MinY, &m_oExtents.MaxX,
149 2 : &m_oExtents.MaxY, 20);
150 : }
151 : }
152 2 : SetSpatialFilter(nullptr);
153 2 : ResetReading();
154 2 : return OGRERR_NONE;
155 : }
156 6 : ++i;
157 : }
158 1 : return OGRERR_FAILURE;
159 : }
160 :
161 : /************************************************************************/
162 : /* GetDescribeFeatureTypeURL() */
163 : /************************************************************************/
164 :
165 157 : CPLString OGRWFSLayer::GetDescribeFeatureTypeURL(CPL_UNUSED int bWithNS)
166 : {
167 157 : CPLString osURL(pszBaseURL);
168 157 : osURL = CPLURLAddKVP(osURL, "SERVICE", "WFS");
169 157 : osURL = CPLURLAddKVP(osURL, "VERSION", poDS->GetVersion());
170 157 : osURL = CPLURLAddKVP(osURL, "REQUEST", "DescribeFeatureType");
171 157 : osURL = CPLURLAddKVP(osURL, "TYPENAME", WFS_EscapeURL(pszName));
172 157 : osURL = CPLURLAddKVP(osURL, "PROPERTYNAME", nullptr);
173 157 : osURL = CPLURLAddKVP(osURL, "MAXFEATURES", nullptr);
174 157 : osURL = CPLURLAddKVP(osURL, "COUNT", nullptr);
175 157 : osURL = CPLURLAddKVP(osURL, "FILTER", nullptr);
176 314 : osURL = CPLURLAddKVP(osURL, "OUTPUTFORMAT",
177 157 : pszRequiredOutputFormat
178 157 : ? WFS_EscapeURL(pszRequiredOutputFormat).c_str()
179 157 : : nullptr);
180 :
181 157 : if (pszNS && poDS->GetNeedNAMESPACE())
182 : {
183 : /* Older Deegree version require NAMESPACE (e.g.
184 : * http://www.nokis.org/deegree2/ogcwebservice) */
185 : /* This has been now corrected */
186 0 : CPLString osValue("xmlns(");
187 0 : osValue += pszNS;
188 0 : osValue += "=";
189 0 : osValue += pszNSVal;
190 0 : osValue += ")";
191 0 : osURL = CPLURLAddKVP(osURL, "NAMESPACE", WFS_EscapeURL(osValue));
192 : }
193 :
194 157 : return osURL;
195 : }
196 :
197 : /************************************************************************/
198 : /* DescribeFeatureType() */
199 : /************************************************************************/
200 :
201 95 : OGRFeatureDefn *OGRWFSLayer::DescribeFeatureType()
202 : {
203 190 : CPLString osURL = GetDescribeFeatureTypeURL(TRUE);
204 :
205 95 : CPLDebug("WFS", "%s", osURL.c_str());
206 :
207 95 : CPLHTTPResult *psResult = poDS->HTTPFetch(osURL, nullptr);
208 95 : if (psResult == nullptr)
209 : {
210 11 : return nullptr;
211 : }
212 :
213 84 : if (strstr((const char *)psResult->pabyData, "<ServiceExceptionReport") !=
214 : nullptr)
215 : {
216 0 : if (poDS->IsOldDeegree((const char *)psResult->pabyData))
217 : {
218 0 : CPLHTTPDestroyResult(psResult);
219 0 : return DescribeFeatureType();
220 : }
221 0 : CPLError(CE_Failure, CPLE_AppDefined, "Error returned by server : %s",
222 : psResult->pabyData);
223 0 : CPLHTTPDestroyResult(psResult);
224 0 : return nullptr;
225 : }
226 :
227 84 : CPLXMLNode *psXML = CPLParseXMLString((const char *)psResult->pabyData);
228 84 : if (psXML == nullptr)
229 : {
230 1 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid XML content : %s",
231 : psResult->pabyData);
232 1 : CPLHTTPDestroyResult(psResult);
233 1 : return nullptr;
234 : }
235 83 : CPLHTTPDestroyResult(psResult);
236 :
237 83 : const CPLXMLNode *psSchema = WFSFindNode(psXML, "schema");
238 83 : if (psSchema == nullptr)
239 : {
240 1 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find <Schema>");
241 1 : CPLDestroyXMLNode(psXML);
242 :
243 1 : return nullptr;
244 : }
245 :
246 82 : OGRFeatureDefn *poFDefn = ParseSchema(psSchema);
247 82 : if (poFDefn)
248 77 : poDS->SaveLayerSchema(pszName, psSchema);
249 :
250 82 : CPLDestroyXMLNode(psXML);
251 82 : return poFDefn;
252 : }
253 :
254 : /************************************************************************/
255 : /* ParseSchema() */
256 : /************************************************************************/
257 :
258 144 : OGRFeatureDefn *OGRWFSLayer::ParseSchema(const CPLXMLNode *psSchema)
259 : {
260 144 : osTargetNamespace = CPLGetXMLValue(psSchema, "targetNamespace", "");
261 :
262 288 : CPLString osTmpFileName;
263 :
264 144 : osTmpFileName = CPLSPrintf("%s/file.xsd", m_osTmpDir.c_str());
265 144 : CPLSerializeXMLTreeToFile(psSchema, osTmpFileName);
266 :
267 288 : std::vector<GMLFeatureClass *> aosClasses;
268 144 : bool bFullyUnderstood = false;
269 144 : bool bUseSchemaImports = false;
270 144 : bool bHaveSchema = GMLParseXSD(osTmpFileName, bUseSchemaImports, aosClasses,
271 : bFullyUnderstood);
272 :
273 144 : if (bHaveSchema && aosClasses.size() == 1)
274 : {
275 : // CPLDebug("WFS", "Creating %s for %s", osTmpFileName.c_str(),
276 : // GetName());
277 139 : return BuildLayerDefnFromFeatureClass(aosClasses[0]);
278 : }
279 5 : else if (bHaveSchema)
280 : {
281 : std::vector<GMLFeatureClass *>::const_iterator oIter =
282 0 : aosClasses.begin();
283 : std::vector<GMLFeatureClass *>::const_iterator oEndIter =
284 0 : aosClasses.end();
285 0 : while (oIter != oEndIter)
286 : {
287 0 : GMLFeatureClass *poClass = *oIter;
288 0 : ++oIter;
289 0 : delete poClass;
290 : }
291 : }
292 :
293 5 : VSIUnlink(osTmpFileName);
294 :
295 5 : return nullptr;
296 : }
297 :
298 : /************************************************************************/
299 : /* BuildLayerDefnFromFeatureClass() */
300 : /************************************************************************/
301 :
302 : OGRFeatureDefn *
303 139 : OGRWFSLayer::BuildLayerDefnFromFeatureClass(GMLFeatureClass *poClass)
304 : {
305 139 : poGMLFeatureClass = poClass;
306 :
307 139 : OGRFeatureDefn *poFDefn = new OGRFeatureDefn(pszName);
308 139 : poFDefn->SetGeomType(wkbNone);
309 139 : if (poGMLFeatureClass->GetGeometryPropertyCount() > 0)
310 : {
311 124 : poFDefn->SetGeomType(
312 124 : (OGRwkbGeometryType)poGMLFeatureClass->GetGeometryProperty(0)
313 124 : ->GetType());
314 124 : poFDefn->GetGeomFieldDefn(0)->SetSpatialRef(m_poSRS);
315 : }
316 :
317 : /* -------------------------------------------------------------------- */
318 : /* Added attributes (properties). */
319 : /* -------------------------------------------------------------------- */
320 139 : if (poDS->ExposeGMLId())
321 : {
322 272 : OGRFieldDefn oField("gml_id", OFTString);
323 136 : oField.SetNullable(FALSE);
324 136 : poFDefn->AddFieldDefn(&oField);
325 : }
326 :
327 686 : for (int iField = 0; iField < poGMLFeatureClass->GetPropertyCount();
328 : iField++)
329 : {
330 547 : GMLPropertyDefn *poProperty = poGMLFeatureClass->GetProperty(iField);
331 547 : OGRFieldSubType eSubType = OFSTNone;
332 : const OGRFieldType eFType =
333 547 : GML_GetOGRFieldType(poProperty->GetType(), eSubType);
334 :
335 1094 : OGRFieldDefn oField(poProperty->GetName(), eFType);
336 547 : oField.SetSubType(eSubType);
337 547 : if (STARTS_WITH_CI(oField.GetNameRef(), "ogr:"))
338 0 : oField.SetName(poProperty->GetName() + 4);
339 547 : if (poProperty->GetWidth() > 0)
340 0 : oField.SetWidth(poProperty->GetWidth());
341 547 : if (poProperty->GetPrecision() > 0)
342 0 : oField.SetPrecision(poProperty->GetPrecision());
343 547 : if (!poDS->IsEmptyAsNull())
344 0 : oField.SetNullable(poProperty->IsNullable());
345 :
346 547 : poFDefn->AddFieldDefn(&oField);
347 : }
348 :
349 139 : if (poGMLFeatureClass->GetGeometryPropertyCount() > 0)
350 : {
351 : const char *pszGeometryColumnName =
352 124 : poGMLFeatureClass->GetGeometryProperty(0)->GetSrcElement();
353 124 : if (pszGeometryColumnName[0] != '\0')
354 : {
355 124 : osGeometryColumnName = pszGeometryColumnName;
356 124 : if (poFDefn->GetGeomFieldCount() > 0)
357 : {
358 248 : poFDefn->GetGeomFieldDefn(0)->SetNullable(
359 124 : poGMLFeatureClass->GetGeometryProperty(0)->IsNullable());
360 124 : poFDefn->GetGeomFieldDefn(0)->SetName(pszGeometryColumnName);
361 : }
362 : }
363 : }
364 :
365 139 : return poFDefn;
366 : }
367 :
368 : /************************************************************************/
369 : /* MakeGetFeatureURL() */
370 : /************************************************************************/
371 :
372 136 : CPLString OGRWFSLayer::MakeGetFeatureURL(int nRequestMaxFeatures,
373 : int bRequestHits)
374 : {
375 136 : CPLString osURL(pszBaseURL);
376 136 : osURL = CPLURLAddKVP(osURL, "SERVICE", "WFS");
377 136 : osURL = CPLURLAddKVP(osURL, "VERSION", poDS->GetVersion());
378 136 : osURL = CPLURLAddKVP(osURL, "REQUEST", "GetFeature");
379 136 : if (atoi(poDS->GetVersion()) >= 2)
380 30 : osURL = CPLURLAddKVP(osURL, "TYPENAMES", WFS_EscapeURL(pszName));
381 : else
382 106 : osURL = CPLURLAddKVP(osURL, "TYPENAME", WFS_EscapeURL(pszName));
383 136 : if (!m_osSRSName.empty())
384 : osURL =
385 2 : CPLURLAddKVP(osURL, "SRSNAME", WFS_EscapeURL(m_osSRSName.c_str()));
386 136 : if (pszRequiredOutputFormat)
387 0 : osURL = CPLURLAddKVP(osURL, "OUTPUTFORMAT",
388 0 : WFS_EscapeURL(pszRequiredOutputFormat));
389 :
390 136 : if (poDS->IsPagingAllowed() && !bRequestHits)
391 : {
392 20 : nRequestMaxFeatures = poDS->GetPageSize();
393 : /* If the feature count is known and is less than the page size, we don't
394 : * need to do paging. Skipping the pagination parameters improves compatibility
395 : * with remote datasources that don't have a primary key.
396 : * Without a primary key, the WFS server can't support paging, since there
397 : * is no natural sort order defined. */
398 20 : if (nFeatures < 0 ||
399 6 : (nRequestMaxFeatures && nFeatures > nRequestMaxFeatures))
400 : {
401 : osURL =
402 36 : CPLURLAddKVP(osURL, "STARTINDEX",
403 18 : CPLSPrintf("%d", nPagingStartIndex +
404 36 : poDS->GetBaseStartIndex()));
405 18 : bPagingActive = true;
406 : }
407 : }
408 :
409 136 : if (nRequestMaxFeatures)
410 : {
411 114 : osURL = CPLURLAddKVP(
412 38 : osURL, atoi(poDS->GetVersion()) >= 2 ? "COUNT" : "MAXFEATURES",
413 38 : CPLSPrintf("%d", nRequestMaxFeatures));
414 : }
415 136 : if (pszNS && poDS->GetNeedNAMESPACE())
416 : {
417 : /* Older Deegree version require NAMESPACE (e.g.
418 : * http://www.nokis.org/deegree2/ogcwebservice) */
419 : /* This has been now corrected */
420 0 : CPLString osValue("xmlns(");
421 0 : osValue += pszNS;
422 0 : osValue += "=";
423 0 : osValue += pszNSVal;
424 0 : osValue += ")";
425 0 : osURL = CPLURLAddKVP(osURL, "NAMESPACE", WFS_EscapeURL(osValue));
426 : }
427 :
428 136 : delete poFetchedFilterGeom;
429 136 : poFetchedFilterGeom = nullptr;
430 :
431 272 : CPLString osGeomFilter;
432 :
433 136 : if (m_poFilterGeom != nullptr && !osGeometryColumnName.empty())
434 : {
435 5 : OGREnvelope oEnvelope;
436 5 : m_poFilterGeom->getEnvelope(&oEnvelope);
437 :
438 5 : poFetchedFilterGeom = m_poFilterGeom->clone();
439 :
440 5 : osGeomFilter = "<BBOX>";
441 5 : if (atoi(poDS->GetVersion()) >= 2)
442 0 : osGeomFilter += "<ValueReference>";
443 : else
444 5 : osGeomFilter += "<PropertyName>";
445 5 : if (pszNS)
446 : {
447 0 : osGeomFilter += pszNS;
448 0 : osGeomFilter += ":";
449 : }
450 5 : osGeomFilter += osGeometryColumnName;
451 5 : if (atoi(poDS->GetVersion()) >= 2)
452 0 : osGeomFilter += "</ValueReference>";
453 : else
454 5 : osGeomFilter += "</PropertyName>";
455 :
456 5 : if (atoi(poDS->GetVersion()) >= 2)
457 : {
458 0 : osGeomFilter += "<gml:Envelope";
459 :
460 0 : CPLString osSRSName = CPLURLGetValue(pszBaseURL, "SRSNAME");
461 0 : if (!osSRSName.empty())
462 : {
463 0 : osGeomFilter += " srsName=\"";
464 0 : osGeomFilter += osSRSName;
465 0 : osGeomFilter += "\"";
466 : }
467 :
468 0 : osGeomFilter += ">";
469 0 : if (bAxisOrderAlreadyInverted)
470 : {
471 : osGeomFilter +=
472 : CPLSPrintf("<gml:lowerCorner>%.16f "
473 : "%.16f</gml:lowerCorner><gml:upperCorner>%.16f "
474 : "%.16f</gml:upperCorner>",
475 : oEnvelope.MinY, oEnvelope.MinX, oEnvelope.MaxY,
476 0 : oEnvelope.MaxX);
477 : }
478 : else
479 : osGeomFilter +=
480 : CPLSPrintf("<gml:lowerCorner>%.16f "
481 : "%.16f</gml:lowerCorner><gml:upperCorner>%.16f "
482 : "%.16f</gml:upperCorner>",
483 : oEnvelope.MinX, oEnvelope.MinY, oEnvelope.MaxX,
484 0 : oEnvelope.MaxY);
485 0 : osGeomFilter += "</gml:Envelope>";
486 : }
487 5 : else if (poDS->RequiresEnvelopeSpatialFilter())
488 : {
489 0 : osGeomFilter += "<Envelope xmlns=\"http://www.opengis.net/gml\">";
490 0 : if (bAxisOrderAlreadyInverted)
491 : {
492 : /* We can go here in WFS 1.1 with geographic coordinate systems
493 : */
494 : /* that are natively return in lat,long order, but as we have */
495 : /* presented long,lat order to the user, we must switch back */
496 : /* for the server... */
497 : osGeomFilter +=
498 : CPLSPrintf("<coord><X>%.16f</X><Y>%.16f</Y></"
499 : "coord><coord><X>%.16f</X><Y>%.16f</Y></coord>",
500 : oEnvelope.MinY, oEnvelope.MinX, oEnvelope.MaxY,
501 0 : oEnvelope.MaxX);
502 : }
503 : else
504 : osGeomFilter +=
505 : CPLSPrintf("<coord><X>%.16f</X><Y>%.16f</Y></"
506 : "coord><coord><X>%.16f</X><Y>%.16f</Y></coord>",
507 : oEnvelope.MinX, oEnvelope.MinY, oEnvelope.MaxX,
508 0 : oEnvelope.MaxY);
509 0 : osGeomFilter += "</Envelope>";
510 : }
511 : else
512 : {
513 5 : osGeomFilter += "<gml:Box>";
514 5 : osGeomFilter += "<gml:coordinates>";
515 5 : if (bAxisOrderAlreadyInverted)
516 : {
517 : /* We can go here in WFS 1.1 with geographic coordinate systems
518 : */
519 : /* that are natively return in lat,long order, but as we have */
520 : /* presented long,lat order to the user, we must switch back */
521 : /* for the server... */
522 : osGeomFilter +=
523 : CPLSPrintf("%.16f,%.16f %.16f,%.16f", oEnvelope.MinY,
524 5 : oEnvelope.MinX, oEnvelope.MaxY, oEnvelope.MaxX);
525 : }
526 : else
527 : osGeomFilter +=
528 : CPLSPrintf("%.16f,%.16f %.16f,%.16f", oEnvelope.MinX,
529 0 : oEnvelope.MinY, oEnvelope.MaxX, oEnvelope.MaxY);
530 5 : osGeomFilter += "</gml:coordinates>";
531 5 : osGeomFilter += "</gml:Box>";
532 : }
533 5 : osGeomFilter += "</BBOX>";
534 : }
535 :
536 136 : if (!osGeomFilter.empty() || !osWFSWhere.empty())
537 : {
538 33 : CPLString osFilter;
539 33 : if (atoi(poDS->GetVersion()) >= 2)
540 0 : osFilter = "<Filter xmlns=\"http://www.opengis.net/fes/2.0\"";
541 : else
542 33 : osFilter = "<Filter xmlns=\"http://www.opengis.net/ogc\"";
543 33 : if (pszNS)
544 : {
545 0 : osFilter += " xmlns:";
546 0 : osFilter += pszNS;
547 0 : osFilter += "=\"";
548 0 : osFilter += pszNSVal;
549 0 : osFilter += "\"";
550 : }
551 33 : if (atoi(poDS->GetVersion()) >= 2)
552 0 : osFilter += " xmlns:gml=\"http://www.opengis.net/gml/3.2\">";
553 : else
554 33 : osFilter += " xmlns:gml=\"http://www.opengis.net/gml\">";
555 33 : if (!osGeomFilter.empty() && !osWFSWhere.empty())
556 2 : osFilter += "<And>";
557 33 : osFilter += osWFSWhere;
558 33 : osFilter += osGeomFilter;
559 33 : if (!osGeomFilter.empty() && !osWFSWhere.empty())
560 2 : osFilter += "</And>";
561 33 : osFilter += "</Filter>";
562 :
563 33 : osURL = CPLURLAddKVP(osURL, "FILTER", WFS_EscapeURL(osFilter));
564 : }
565 :
566 136 : if (bRequestHits)
567 : {
568 9 : osURL = CPLURLAddKVP(osURL, "RESULTTYPE", "hits");
569 : }
570 127 : else if (!aoSortColumns.empty())
571 : {
572 0 : CPLString osSortBy;
573 0 : for (int i = 0; i < (int)aoSortColumns.size(); i++)
574 : {
575 0 : if (i > 0)
576 0 : osSortBy += ",";
577 0 : osSortBy += aoSortColumns[i].osColumn;
578 0 : if (!aoSortColumns[i].bAsc)
579 : {
580 0 : if (atoi(poDS->GetVersion()) >= 2)
581 0 : osSortBy += " DESC";
582 : else
583 0 : osSortBy += " D";
584 : }
585 : }
586 0 : osURL = CPLURLAddKVP(osURL, "SORTBY", WFS_EscapeURL(osSortBy));
587 : }
588 :
589 : /* If no PROPERTYNAME is specified, build one if there are ignored fields */
590 272 : CPLString osPropertyName = CPLURLGetValue(osURL, "PROPERTYNAME");
591 136 : const char *pszPropertyName = osPropertyName.c_str();
592 136 : if (pszPropertyName[0] == 0 && poFeatureDefn != nullptr)
593 : {
594 127 : bool bHasIgnoredField = false;
595 127 : osPropertyName.clear();
596 885 : for (int iField = 0; iField < poFeatureDefn->GetFieldCount(); iField++)
597 : {
598 758 : if (EQUAL(poFeatureDefn->GetFieldDefn(iField)->GetNameRef(),
599 : "gml_id"))
600 : {
601 : /* fake field : skip it */
602 : }
603 653 : else if (poFeatureDefn->GetFieldDefn(iField)->IsIgnored())
604 : {
605 24 : bHasIgnoredField = true;
606 : }
607 : else
608 : {
609 629 : if (!osPropertyName.empty())
610 528 : osPropertyName += ",";
611 : osPropertyName +=
612 629 : poFeatureDefn->GetFieldDefn(iField)->GetNameRef();
613 : }
614 : }
615 127 : if (!osGeometryColumnName.empty())
616 : {
617 98 : if (poFeatureDefn->IsGeometryIgnored())
618 : {
619 0 : bHasIgnoredField = true;
620 : }
621 : else
622 : {
623 98 : if (!osPropertyName.empty())
624 96 : osPropertyName += ",";
625 98 : osPropertyName += osGeometryColumnName;
626 : }
627 : }
628 :
629 127 : if (bHasIgnoredField && !osPropertyName.empty())
630 : {
631 8 : osURL = CPLURLAddKVP(osURL, "PROPERTYNAME",
632 12 : WFS_EscapeURL(osPropertyName));
633 : }
634 : }
635 :
636 272 : return osURL;
637 : }
638 :
639 : /************************************************************************/
640 : /* OGRWFSFetchContentDispositionFilename() */
641 : /************************************************************************/
642 :
643 49 : static const char *OGRWFSFetchContentDispositionFilename(char **papszHeaders)
644 : {
645 : const char *pszContentDisposition =
646 49 : CSLFetchNameValue(papszHeaders, "Content-Disposition");
647 49 : if (pszContentDisposition &&
648 6 : STARTS_WITH(pszContentDisposition, "attachment; filename="))
649 : {
650 6 : return pszContentDisposition + strlen("attachment; filename=");
651 : }
652 43 : return nullptr;
653 : }
654 :
655 : /************************************************************************/
656 : /* MustRetryIfNonCompliantServer() */
657 : /************************************************************************/
658 :
659 49 : bool OGRWFSLayer::MustRetryIfNonCompliantServer(const char *pszServerAnswer)
660 : {
661 49 : bool bRetry = false;
662 :
663 : /* Deegree server does not support PropertyIsNotEqualTo */
664 : /* We have to turn it into <Not><PropertyIsEqualTo> */
665 62 : if (!osWFSWhere.empty() && poDS->PropertyIsNotEqualToSupported() &&
666 13 : strstr(pszServerAnswer,
667 : "Unknown comparison operation: 'PropertyIsNotEqualTo'") !=
668 : nullptr)
669 : {
670 0 : poDS->SetPropertyIsNotEqualToUnSupported();
671 0 : bRetry = true;
672 : }
673 :
674 : /* Deegree server requires the gml: prefix in GmlObjectId element, but ESRI
675 : */
676 : /* doesn't like it at all ! Other servers don't care... */
677 62 : if (!osWFSWhere.empty() && !poDS->DoesGmlObjectIdNeedGMLPrefix() &&
678 13 : strstr(pszServerAnswer,
679 : "<GmlObjectId> requires 'gml:id'-attribute!") != nullptr)
680 : {
681 0 : poDS->SetGmlObjectIdNeedsGMLPrefix();
682 0 : bRetry = true;
683 : }
684 :
685 : /* GeoServer can return the error 'Only FeatureIds are supported when
686 : * encoding id filters to SDE' */
687 62 : if (!osWFSWhere.empty() && !bUseFeatureIdAtLayerLevel &&
688 13 : strstr(pszServerAnswer, "Only FeatureIds are supported") != nullptr)
689 : {
690 0 : bUseFeatureIdAtLayerLevel = true;
691 0 : bRetry = true;
692 : }
693 :
694 49 : if (bRetry)
695 : {
696 0 : SetAttributeFilter(osSQLWhere);
697 0 : bHasFetched = true;
698 0 : bReloadNeeded = false;
699 : }
700 :
701 49 : return bRetry;
702 : }
703 :
704 : /************************************************************************/
705 : /* FetchGetFeature() */
706 : /************************************************************************/
707 :
708 113 : GDALDataset *OGRWFSLayer::FetchGetFeature(int nRequestMaxFeatures)
709 : {
710 :
711 226 : CPLString osURL = MakeGetFeatureURL(nRequestMaxFeatures, FALSE);
712 113 : CPLDebug("WFS", "%s", osURL.c_str());
713 :
714 113 : CPLHTTPResult *psResult = nullptr;
715 :
716 226 : CPLString osOutputFormat = CPLURLGetValue(osURL, "OUTPUTFORMAT");
717 :
718 81 : const auto ReadNumberMatched = [this](const char *pszData)
719 : {
720 73 : const char *pszNumberMatched = strstr(pszData, " numberMatched=\"");
721 73 : if (!pszNumberMatched)
722 69 : pszNumberMatched = strstr(pszData, "\n"
723 : "numberMatched=\"");
724 73 : if (pszNumberMatched)
725 : {
726 16 : pszNumberMatched += strlen(" numberMatched=\"");
727 16 : if (*pszNumberMatched >= '0' && *pszNumberMatched <= '9')
728 : {
729 2 : m_nNumberMatched = CPLAtoGIntBig(pszNumberMatched);
730 2 : CPLDebug("WFS", "numberMatched = " CPL_FRMT_GIB,
731 : m_nNumberMatched);
732 2 : if (!bCountFeaturesInGetNextFeature)
733 2 : nFeatures = m_nNumberMatched;
734 : }
735 : }
736 186 : };
737 :
738 113 : if (CPLTestBool(CPLGetConfigOption("OGR_WFS_USE_STREAMING", "YES")))
739 : {
740 64 : CPLString osStreamingName;
741 125 : if (STARTS_WITH(osURL, "/vsimem/") &&
742 61 : CPLTestBool(CPLGetConfigOption("CPL_CURL_ENABLE_VSIMEM", "FALSE")))
743 : {
744 61 : osStreamingName = osURL;
745 : }
746 : else
747 : {
748 3 : osStreamingName += "/vsicurl_streaming/";
749 3 : osStreamingName += osURL;
750 : }
751 :
752 : /* Try streaming when the output format is GML and that we have a .xsd
753 : */
754 : /* that we are able to understand */
755 64 : CPLString osXSDFileName = CPLSPrintf("%s/file.xsd", m_osTmpDir.c_str());
756 : VSIStatBufL sBuf;
757 64 : GDALDriver *poDriver = nullptr;
758 64 : if ((osOutputFormat.empty() ||
759 6 : osOutputFormat.ifind("GML") != std::string::npos) &&
760 102 : VSIStatL(osXSDFileName, &sBuf) == 0 &&
761 44 : (poDriver = GDALDriver::FromHandle(GDALGetDriverByName("GML"))) !=
762 128 : nullptr &&
763 44 : poDriver->pfnOpen)
764 : {
765 44 : bStreamingDS = true;
766 44 : CPLStringList aosOptions;
767 44 : aosOptions.SetNameValue("XSD", osXSDFileName.c_str());
768 : aosOptions.SetNameValue("EMPTY_AS_NULL",
769 44 : poDS->IsEmptyAsNull() ? "YES" : "NO");
770 44 : if (CPLGetConfigOption("GML_INVERT_AXIS_ORDER_IF_LAT_LONG",
771 44 : nullptr) == nullptr)
772 : {
773 : aosOptions.SetNameValue(
774 : "INVERT_AXIS_ORDER_IF_LAT_LONG",
775 44 : poDS->InvertAxisOrderIfLatLong() ? "YES" : "NO");
776 : }
777 44 : if (CPLGetConfigOption("GML_CONSIDER_EPSG_AS_URN", nullptr) ==
778 : nullptr)
779 : {
780 : aosOptions.SetNameValue("CONSIDER_EPSG_AS_URN",
781 44 : poDS->GetConsiderEPSGAsURN().c_str());
782 : }
783 44 : if (CPLGetConfigOption("GML_EXPOSE_GML_ID", nullptr) == nullptr)
784 : {
785 : aosOptions.SetNameValue("EXPOSE_GML_ID",
786 44 : poDS->ExposeGMLId() ? "YES" : "NO");
787 : // iGMLOOIdex ++;
788 : }
789 :
790 44 : GDALOpenInfo oOpenInfo(osStreamingName.c_str(), GA_ReadOnly);
791 44 : if (oOpenInfo.nHeaderBytes && m_nNumberMatched < 0)
792 : {
793 29 : const char *pszData =
794 : reinterpret_cast<const char *>(oOpenInfo.pabyHeader);
795 29 : ReadNumberMatched(pszData);
796 : }
797 44 : oOpenInfo.papszOpenOptions = aosOptions.List();
798 :
799 44 : auto poOutputDS = poDriver->Open(&oOpenInfo, true);
800 44 : if (poOutputDS)
801 : {
802 29 : return poOutputDS;
803 : }
804 : }
805 : /* Try streaming when the output format is FlatGeobuf */
806 20 : else if ((osOutputFormat.empty() ||
807 6 : osOutputFormat.ifind("flatgeobuf") != std::string::npos) &&
808 27 : VSIStatL(osXSDFileName, &sBuf) == 0 &&
809 1 : GDALGetDriverByName("FlatGeobuf") != nullptr)
810 : {
811 1 : bStreamingDS = true;
812 1 : const char *const apszAllowedDrivers[] = {"FlatGeobuf", nullptr};
813 :
814 : GDALDataset *poFlatGeobuf_DS =
815 1 : (GDALDataset *)GDALOpenEx(osStreamingName, GDAL_OF_VECTOR,
816 : apszAllowedDrivers, nullptr, nullptr);
817 1 : if (poFlatGeobuf_DS)
818 : {
819 1 : return poFlatGeobuf_DS;
820 : }
821 : }
822 : else
823 : {
824 19 : bStreamingDS = false;
825 : }
826 :
827 34 : if (bStreamingDS)
828 : {
829 : /* In case of failure, read directly the content to examine */
830 : /* it, if it is XML error content */
831 : char szBuffer[2048];
832 15 : int nRead = 0;
833 15 : VSILFILE *fp = VSIFOpenL(osStreamingName, "rb");
834 15 : if (fp)
835 : {
836 2 : nRead = (int)VSIFReadL(szBuffer, 1, sizeof(szBuffer) - 1, fp);
837 2 : szBuffer[nRead] = '\0';
838 2 : VSIFCloseL(fp);
839 : }
840 :
841 15 : if (nRead != 0)
842 : {
843 2 : if (MustRetryIfNonCompliantServer(szBuffer))
844 1 : return FetchGetFeature(nRequestMaxFeatures);
845 :
846 2 : if (strstr(szBuffer, "<ServiceExceptionReport") != nullptr ||
847 1 : strstr(szBuffer, "<ows:ExceptionReport") != nullptr)
848 : {
849 1 : if (poDS->IsOldDeegree(szBuffer))
850 : {
851 0 : return FetchGetFeature(nRequestMaxFeatures);
852 : }
853 :
854 1 : CPLError(CE_Failure, CPLE_AppDefined,
855 : "Error returned by server : %s", szBuffer);
856 1 : return nullptr;
857 : }
858 : }
859 : }
860 : }
861 :
862 82 : bStreamingDS = false;
863 82 : psResult = poDS->HTTPFetch(osURL, nullptr);
864 82 : if (psResult == nullptr)
865 : {
866 35 : return nullptr;
867 : }
868 :
869 47 : const char *pszContentType = "";
870 47 : if (psResult->pszContentType)
871 6 : pszContentType = psResult->pszContentType;
872 :
873 47 : VSIMkdir(m_osTmpDir.c_str(), 0);
874 :
875 47 : GByte *pabyData = psResult->pabyData;
876 47 : int nDataLen = psResult->nDataLen;
877 47 : bool bIsMultiPart = false;
878 47 : const char *pszAttachmentFilename = nullptr;
879 :
880 53 : if (strstr(pszContentType, "multipart") &&
881 6 : CPLHTTPParseMultipartMime(psResult))
882 : {
883 6 : bIsMultiPart = true;
884 6 : VSIRmdirRecursive(m_osTmpDir.c_str());
885 6 : VSIMkdir(m_osTmpDir.c_str(), 0);
886 14 : for (int i = 0; i < psResult->nMimePartCount; i++)
887 : {
888 16 : CPLString osTmpFileName = m_osTmpDir + "/";
889 16 : pszAttachmentFilename = OGRWFSFetchContentDispositionFilename(
890 8 : psResult->pasMimePart[i].papszHeaders);
891 :
892 8 : if (pszAttachmentFilename)
893 6 : osTmpFileName += pszAttachmentFilename;
894 : else
895 2 : osTmpFileName += CPLSPrintf("file_%d", i);
896 :
897 : GByte *pData =
898 8 : (GByte *)VSI_MALLOC_VERBOSE(psResult->pasMimePart[i].nDataLen);
899 8 : if (pData)
900 : {
901 8 : memcpy(pData, psResult->pasMimePart[i].pabyData,
902 8 : psResult->pasMimePart[i].nDataLen);
903 8 : VSILFILE *fp = VSIFileFromMemBuffer(
904 8 : osTmpFileName, pData, psResult->pasMimePart[i].nDataLen,
905 : TRUE);
906 8 : VSIFCloseL(fp);
907 : }
908 : }
909 : }
910 : else
911 : pszAttachmentFilename =
912 41 : OGRWFSFetchContentDispositionFilename(psResult->papszHeaders);
913 :
914 47 : bool bJSON = false;
915 47 : bool bCSV = false;
916 47 : bool bKML = false;
917 47 : bool bKMZ = false;
918 47 : bool bFlatGeobuf = false;
919 47 : bool bZIP = false;
920 47 : bool bGZIP = false;
921 :
922 47 : const char *pszOutputFormat = osOutputFormat.c_str();
923 :
924 94 : if (FindSubStringInsensitive(pszContentType, "json") ||
925 47 : FindSubStringInsensitive(pszOutputFormat, "json"))
926 : {
927 4 : bJSON = true;
928 : }
929 86 : else if (FindSubStringInsensitive(pszContentType, "csv") ||
930 43 : FindSubStringInsensitive(pszOutputFormat, "csv"))
931 : {
932 0 : bCSV = true;
933 : }
934 86 : else if (FindSubStringInsensitive(pszContentType, "kml") ||
935 43 : FindSubStringInsensitive(pszOutputFormat, "kml"))
936 : {
937 0 : bKML = true;
938 : }
939 86 : else if (FindSubStringInsensitive(pszContentType, "kmz") ||
940 43 : FindSubStringInsensitive(pszOutputFormat, "kmz"))
941 : {
942 0 : bKMZ = true;
943 : }
944 86 : else if (FindSubStringInsensitive(pszContentType, "flatgeobuf") ||
945 43 : FindSubStringInsensitive(pszOutputFormat, "flatgeobuf"))
946 : {
947 0 : bFlatGeobuf = true;
948 : }
949 43 : else if (strstr(pszContentType, "application/zip") != nullptr)
950 : {
951 0 : bZIP = true;
952 : }
953 43 : else if (strstr(pszContentType, "application/gzip") != nullptr)
954 : {
955 0 : bGZIP = true;
956 : }
957 :
958 47 : const char *pszData = reinterpret_cast<const char *>(pabyData);
959 47 : if (MustRetryIfNonCompliantServer(pszData))
960 : {
961 0 : CPLHTTPDestroyResult(psResult);
962 0 : return FetchGetFeature(nRequestMaxFeatures);
963 : }
964 :
965 47 : if (strstr(pszData, "<ServiceExceptionReport") != nullptr ||
966 46 : strstr(pszData, "<ows:ExceptionReport") != nullptr)
967 : {
968 1 : if (poDS->IsOldDeegree(pszData))
969 : {
970 0 : CPLHTTPDestroyResult(psResult);
971 0 : return FetchGetFeature(nRequestMaxFeatures);
972 : }
973 :
974 1 : CPLError(CE_Failure, CPLE_AppDefined, "Error returned by server : %s",
975 : pabyData);
976 1 : CPLHTTPDestroyResult(psResult);
977 1 : return nullptr;
978 : }
979 :
980 46 : if (m_nNumberMatched < 0)
981 44 : ReadNumberMatched(pszData);
982 :
983 92 : CPLString osTmpFileName;
984 :
985 46 : if (!bIsMultiPart)
986 : {
987 40 : if (bJSON)
988 4 : osTmpFileName = m_osTmpDir + "/file.geojson";
989 36 : else if (bZIP)
990 0 : osTmpFileName = m_osTmpDir + "/file.zip";
991 36 : else if (bCSV)
992 0 : osTmpFileName = m_osTmpDir + "/file.csv";
993 36 : else if (bKML)
994 0 : osTmpFileName = m_osTmpDir + "/file.kml";
995 36 : else if (bKMZ)
996 0 : osTmpFileName = m_osTmpDir + "/file.kmz";
997 36 : else if (bFlatGeobuf)
998 0 : osTmpFileName = m_osTmpDir + "/file.fgb";
999 : /* GML is a special case. It needs the .xsd file that has been saved */
1000 : /* as file.xsd, so we cannot used the attachment filename */
1001 36 : else if (pszAttachmentFilename &&
1002 36 : !EQUAL(CPLGetExtensionSafe(pszAttachmentFilename).c_str(),
1003 : "GML"))
1004 : {
1005 0 : osTmpFileName = m_osTmpDir + "/";
1006 0 : osTmpFileName += pszAttachmentFilename;
1007 : }
1008 : else
1009 : {
1010 36 : osTmpFileName = m_osTmpDir + "/file.gfs";
1011 36 : VSIUnlink(osTmpFileName);
1012 :
1013 36 : osTmpFileName = m_osTmpDir + "/file.gml";
1014 : }
1015 :
1016 : VSILFILE *fp =
1017 40 : VSIFileFromMemBuffer(osTmpFileName, pabyData, nDataLen, TRUE);
1018 40 : VSIFCloseL(fp);
1019 40 : psResult->pabyData = nullptr;
1020 :
1021 40 : if (bZIP)
1022 : {
1023 0 : osTmpFileName = "/vsizip/" + osTmpFileName;
1024 : }
1025 40 : else if (bGZIP)
1026 : {
1027 0 : osTmpFileName = "/vsigzip/" + osTmpFileName;
1028 : }
1029 : }
1030 : else
1031 : {
1032 6 : pabyData = nullptr;
1033 6 : nDataLen = 0;
1034 6 : osTmpFileName = m_osTmpDir;
1035 : }
1036 :
1037 46 : CPLHTTPDestroyResult(psResult);
1038 :
1039 46 : const char *const *papszOpenOptions = nullptr;
1040 46 : const char *apszGMLOpenOptions[4] = {nullptr, nullptr, nullptr, nullptr};
1041 46 : int iGMLOOIdex = 0;
1042 46 : if (CPLGetConfigOption("GML_INVERT_AXIS_ORDER_IF_LAT_LONG", nullptr) ==
1043 : nullptr)
1044 : {
1045 46 : apszGMLOpenOptions[iGMLOOIdex] =
1046 46 : CPLSPrintf("INVERT_AXIS_ORDER_IF_LAT_LONG=%s",
1047 46 : poDS->InvertAxisOrderIfLatLong() ? "YES" : "NO");
1048 46 : iGMLOOIdex++;
1049 : }
1050 46 : if (CPLGetConfigOption("GML_CONSIDER_EPSG_AS_URN", nullptr) == nullptr)
1051 : {
1052 46 : apszGMLOpenOptions[iGMLOOIdex] = CPLSPrintf(
1053 46 : "CONSIDER_EPSG_AS_URN=%s", poDS->GetConsiderEPSGAsURN().c_str());
1054 46 : iGMLOOIdex++;
1055 : }
1056 46 : if (CPLGetConfigOption("GML_EXPOSE_GML_ID", nullptr) == nullptr)
1057 : {
1058 46 : apszGMLOpenOptions[iGMLOOIdex] =
1059 46 : CPLSPrintf("EXPOSE_GML_ID=%s", poDS->ExposeGMLId() ? "YES" : "NO");
1060 : // iGMLOOIdex ++;
1061 : }
1062 :
1063 46 : GDALDriverH hDrv = GDALIdentifyDriver(osTmpFileName, nullptr);
1064 46 : if (hDrv != nullptr && hDrv == GDALGetDriverByName("GML"))
1065 34 : papszOpenOptions = apszGMLOpenOptions;
1066 :
1067 46 : GDALDataset *poPageDS = (GDALDataset *)GDALOpenEx(
1068 : osTmpFileName, GDAL_OF_VECTOR, nullptr, papszOpenOptions, nullptr);
1069 46 : if (poPageDS == nullptr && (bZIP || bIsMultiPart))
1070 : {
1071 4 : char **papszFileList = VSIReadDir(osTmpFileName);
1072 4 : for (int i = 0; papszFileList != nullptr && papszFileList[i] != nullptr;
1073 : i++)
1074 : {
1075 : const CPLString osFullFilename =
1076 4 : CPLFormFilenameSafe(osTmpFileName, papszFileList[i], nullptr);
1077 4 : hDrv = GDALIdentifyDriver(osFullFilename, nullptr);
1078 4 : if (hDrv != nullptr && hDrv == GDALGetDriverByName("GML"))
1079 0 : papszOpenOptions = apszGMLOpenOptions;
1080 : poPageDS =
1081 4 : (GDALDataset *)GDALOpenEx(osFullFilename, GDAL_OF_VECTOR,
1082 : nullptr, papszOpenOptions, nullptr);
1083 4 : if (poPageDS != nullptr)
1084 4 : break;
1085 : }
1086 :
1087 4 : CSLDestroy(papszFileList);
1088 : }
1089 :
1090 46 : if (poPageDS == nullptr)
1091 : {
1092 2 : if (pabyData != nullptr && !bJSON && !bZIP &&
1093 2 : strstr((const char *)pabyData, "<wfs:FeatureCollection") ==
1094 2 : nullptr &&
1095 2 : strstr((const char *)pabyData, "<gml:FeatureCollection") == nullptr)
1096 : {
1097 2 : if (nDataLen > 1000)
1098 0 : pabyData[1000] = 0;
1099 2 : CPLError(CE_Failure, CPLE_AppDefined, "Error: cannot parse %s",
1100 : pabyData);
1101 : }
1102 2 : return nullptr;
1103 : }
1104 :
1105 44 : OGRLayer *poLayer = poPageDS->GetLayer(0);
1106 44 : if (poLayer == nullptr)
1107 : {
1108 0 : GDALClose(poPageDS);
1109 0 : return nullptr;
1110 : }
1111 :
1112 44 : return poPageDS;
1113 : }
1114 :
1115 : /************************************************************************/
1116 : /* GetLayerDefn() */
1117 : /************************************************************************/
1118 :
1119 2022 : OGRFeatureDefn *OGRWFSLayer::GetLayerDefn()
1120 : {
1121 2022 : if (poFeatureDefn)
1122 1899 : return poFeatureDefn;
1123 :
1124 123 : if (poDS->GetLayerCount() > 1)
1125 : {
1126 47 : poDS->LoadMultipleLayerDefn(GetName(), pszNS, pszNSVal);
1127 :
1128 47 : if (poFeatureDefn)
1129 28 : return poFeatureDefn;
1130 : }
1131 :
1132 95 : return BuildLayerDefn();
1133 : }
1134 :
1135 : /************************************************************************/
1136 : /* BuildLayerDefn() */
1137 : /************************************************************************/
1138 :
1139 157 : OGRFeatureDefn *OGRWFSLayer::BuildLayerDefn(OGRFeatureDefn *poSrcFDefn)
1140 : {
1141 157 : bool bUnsetWidthPrecision = false;
1142 :
1143 157 : poFeatureDefn = new OGRFeatureDefn(pszName);
1144 157 : poFeatureDefn->GetGeomFieldDefn(0)->SetSpatialRef(m_poSRS);
1145 157 : poFeatureDefn->Reference();
1146 :
1147 157 : GDALDataset *l_poDS = nullptr;
1148 :
1149 157 : if (poSrcFDefn == nullptr)
1150 95 : poSrcFDefn = DescribeFeatureType();
1151 157 : if (poSrcFDefn == nullptr)
1152 : {
1153 18 : l_poDS = FetchGetFeature(1);
1154 18 : if (l_poDS == nullptr)
1155 : {
1156 15 : return poFeatureDefn;
1157 : }
1158 3 : OGRLayer *l_poLayer = l_poDS->GetLayer(0);
1159 3 : if (l_poLayer == nullptr)
1160 : {
1161 0 : return poFeatureDefn;
1162 : }
1163 3 : poSrcFDefn = l_poLayer->GetLayerDefn();
1164 3 : bGotApproximateLayerDefn = true;
1165 : /* We cannot trust width and precision based on a single feature */
1166 3 : bUnsetWidthPrecision = true;
1167 : }
1168 :
1169 : const CPLStringList aosPropertyName(CSLTokenizeString2(
1170 142 : CPLURLGetValue(pszBaseURL, "PROPERTYNAME"), "(,)", 0));
1171 :
1172 142 : poFeatureDefn->SetGeomType(poSrcFDefn->GetGeomType());
1173 142 : if (poSrcFDefn->GetGeomFieldCount() > 0)
1174 254 : poFeatureDefn->GetGeomFieldDefn(0)->SetName(
1175 127 : poSrcFDefn->GetGeomFieldDefn(0)->GetNameRef());
1176 843 : for (int i = 0; i < poSrcFDefn->GetFieldCount(); i++)
1177 : {
1178 701 : if (!aosPropertyName.empty())
1179 : {
1180 0 : if (aosPropertyName.FindString(
1181 0 : poSrcFDefn->GetFieldDefn(i)->GetNameRef()) >= 0)
1182 0 : poFeatureDefn->AddFieldDefn(poSrcFDefn->GetFieldDefn(i));
1183 : else
1184 0 : bGotApproximateLayerDefn = true;
1185 : }
1186 : else
1187 : {
1188 1402 : OGRFieldDefn oFieldDefn(poSrcFDefn->GetFieldDefn(i));
1189 701 : if (bUnsetWidthPrecision)
1190 : {
1191 18 : oFieldDefn.SetWidth(0);
1192 18 : oFieldDefn.SetPrecision(0);
1193 : }
1194 701 : poFeatureDefn->AddFieldDefn(&oFieldDefn);
1195 : }
1196 : }
1197 :
1198 142 : if (l_poDS)
1199 3 : GDALClose(l_poDS);
1200 : else
1201 139 : delete poSrcFDefn;
1202 :
1203 142 : return poFeatureDefn;
1204 : }
1205 :
1206 : /************************************************************************/
1207 : /* ResetReading() */
1208 : /************************************************************************/
1209 :
1210 192 : void OGRWFSLayer::ResetReading()
1211 :
1212 : {
1213 192 : if (poFeatureDefn == nullptr)
1214 17 : return;
1215 175 : if (bPagingActive)
1216 0 : bReloadNeeded = true;
1217 175 : nPagingStartIndex = 0;
1218 175 : nFeatureRead = 0;
1219 175 : m_nNumberMatched = -1;
1220 175 : m_bHasReadAtLeastOneFeatureInThisPage = false;
1221 175 : if (bReloadNeeded)
1222 : {
1223 39 : GDALClose(poBaseDS);
1224 39 : poBaseDS = nullptr;
1225 39 : poBaseLayer = nullptr;
1226 39 : bHasFetched = false;
1227 39 : bReloadNeeded = false;
1228 : }
1229 175 : if (poBaseLayer)
1230 47 : poBaseLayer->ResetReading();
1231 : }
1232 :
1233 : /************************************************************************/
1234 : /* SetIgnoredFields() */
1235 : /************************************************************************/
1236 :
1237 16 : OGRErr OGRWFSLayer::SetIgnoredFields(CSLConstList papszFields)
1238 : {
1239 16 : bReloadNeeded = true;
1240 16 : ResetReading();
1241 16 : return OGRLayer::SetIgnoredFields(papszFields);
1242 : }
1243 :
1244 : /************************************************************************/
1245 : /* GetNextFeature() */
1246 : /************************************************************************/
1247 :
1248 123 : OGRFeature *OGRWFSLayer::GetNextFeature()
1249 : {
1250 123 : GetLayerDefn();
1251 :
1252 : while (true)
1253 : {
1254 135 : if (bReloadNeeded)
1255 : {
1256 41 : m_bHasReadAtLeastOneFeatureInThisPage = false;
1257 41 : GDALClose(poBaseDS);
1258 41 : poBaseDS = nullptr;
1259 41 : poBaseLayer = nullptr;
1260 41 : bHasFetched = false;
1261 41 : bReloadNeeded = false;
1262 : }
1263 135 : if (poBaseDS == nullptr && !bHasFetched)
1264 : {
1265 95 : bHasFetched = true;
1266 95 : poBaseDS = FetchGetFeature(0);
1267 95 : poBaseLayer = nullptr;
1268 95 : if (poBaseDS)
1269 : {
1270 71 : poBaseLayer = poBaseDS->GetLayer(0);
1271 71 : if (poBaseLayer == nullptr)
1272 0 : return nullptr;
1273 71 : poBaseLayer->ResetReading();
1274 :
1275 : /* Check that the layer field definition is consistent with the
1276 : * one */
1277 : /* we got in BuildLayerDefn() */
1278 71 : if (poFeatureDefn->GetFieldCount() !=
1279 71 : poBaseLayer->GetLayerDefn()->GetFieldCount())
1280 5 : bGotApproximateLayerDefn = true;
1281 : else
1282 : {
1283 502 : for (int iField = 0;
1284 502 : iField < poFeatureDefn->GetFieldCount(); iField++)
1285 : {
1286 : OGRFieldDefn *poFDefn1 =
1287 442 : poFeatureDefn->GetFieldDefn(iField);
1288 : OGRFieldDefn *poFDefn2 =
1289 442 : poBaseLayer->GetLayerDefn()->GetFieldDefn(iField);
1290 442 : if (strcmp(poFDefn1->GetNameRef(),
1291 878 : poFDefn2->GetNameRef()) != 0 ||
1292 436 : poFDefn1->GetType() != poFDefn2->GetType())
1293 : {
1294 6 : bGotApproximateLayerDefn = true;
1295 6 : break;
1296 : }
1297 : }
1298 : }
1299 : }
1300 : }
1301 135 : if (poBaseDS == nullptr || poBaseLayer == nullptr)
1302 37 : return nullptr;
1303 :
1304 98 : OGRFeature *poSrcFeature = poBaseLayer->GetNextFeature();
1305 98 : if (poSrcFeature == nullptr)
1306 : {
1307 22 : if (bPagingActive && m_bHasReadAtLeastOneFeatureInThisPage &&
1308 14 : (m_nNumberMatched < 0 || nFeatureRead < m_nNumberMatched))
1309 : {
1310 12 : bReloadNeeded = true;
1311 12 : nPagingStartIndex = nFeatureRead;
1312 12 : continue;
1313 : }
1314 10 : return nullptr;
1315 : }
1316 76 : nFeatureRead++;
1317 76 : m_bHasReadAtLeastOneFeatureInThisPage = true;
1318 76 : if (bCountFeaturesInGetNextFeature)
1319 2 : nFeatures++;
1320 :
1321 76 : OGRGeometry *poGeom = poSrcFeature->GetGeometryRef();
1322 82 : if (m_poFilterGeom != nullptr && poGeom != nullptr &&
1323 6 : !FilterGeometry(poGeom))
1324 : {
1325 0 : delete poSrcFeature;
1326 0 : continue;
1327 : }
1328 :
1329 : /* Client-side attribute filtering with underlying layer defn */
1330 : /* identical to exposed layer defn. */
1331 64 : if (!bGotApproximateLayerDefn && osWFSWhere.empty() &&
1332 140 : m_poAttrQuery != nullptr && !m_poAttrQuery->Evaluate(poSrcFeature))
1333 : {
1334 0 : delete poSrcFeature;
1335 0 : continue;
1336 : }
1337 :
1338 76 : OGRFeature *poNewFeature = new OGRFeature(poFeatureDefn);
1339 76 : if (bGotApproximateLayerDefn)
1340 : {
1341 12 : poNewFeature->SetFrom(poSrcFeature);
1342 :
1343 : /* Client-side attribute filtering. */
1344 12 : if (m_poAttrQuery != nullptr && osWFSWhere.empty() &&
1345 0 : !m_poAttrQuery->Evaluate(poNewFeature))
1346 : {
1347 0 : delete poSrcFeature;
1348 0 : delete poNewFeature;
1349 0 : continue;
1350 : }
1351 : }
1352 : else
1353 : {
1354 524 : for (int iField = 0; iField < poFeatureDefn->GetFieldCount();
1355 : iField++)
1356 : {
1357 460 : poNewFeature->SetField(iField,
1358 460 : poSrcFeature->GetRawFieldRef(iField));
1359 : }
1360 64 : poNewFeature->SetStyleString(poSrcFeature->GetStyleString());
1361 64 : poNewFeature->SetGeometryDirectly(poSrcFeature->StealGeometry());
1362 : }
1363 76 : poNewFeature->SetFID(poSrcFeature->GetFID());
1364 76 : poGeom = poNewFeature->GetGeometryRef();
1365 :
1366 : /* FIXME? I don't really know what we should do with WFS 1.1.0 */
1367 : /* and non-GML format !!! I guess 50% WFS servers must do it wrong
1368 : * anyway */
1369 : /* GeoServer does currently axis inversion for non GML output, but */
1370 : /* apparently this is not correct :
1371 : * http://jira.codehaus.org/browse/GEOS-3657 */
1372 116 : if (poGeom != nullptr && bAxisOrderAlreadyInverted &&
1373 40 : strcmp(poBaseDS->GetDriverName(), "GML") != 0)
1374 : {
1375 9 : poGeom->swapXY();
1376 : }
1377 :
1378 76 : if (poGeom && m_poSRS)
1379 42 : poGeom->assignSpatialReference(m_poSRS);
1380 76 : delete poSrcFeature;
1381 76 : return poNewFeature;
1382 12 : }
1383 : }
1384 :
1385 : /************************************************************************/
1386 : /* SetSpatialFilter() */
1387 : /************************************************************************/
1388 :
1389 29 : void OGRWFSLayer::SetSpatialFilter(OGRGeometry *poGeom)
1390 : {
1391 29 : if (bStreamingDS)
1392 : {
1393 7 : bReloadNeeded = true;
1394 : }
1395 22 : else if (poFetchedFilterGeom == nullptr && poBaseDS != nullptr)
1396 : {
1397 : /* If there was no filter set, and that we set one */
1398 : /* the new result set can only be a subset of the whole */
1399 : /* so no need to reload from source */
1400 5 : bReloadNeeded = false;
1401 : }
1402 17 : else if (poFetchedFilterGeom != nullptr && poGeom != nullptr &&
1403 2 : poBaseDS != nullptr)
1404 : {
1405 1 : OGREnvelope oOldEnvelope, oNewEnvelope;
1406 1 : poFetchedFilterGeom->getEnvelope(&oOldEnvelope);
1407 1 : poGeom->getEnvelope(&oNewEnvelope);
1408 : /* Optimization : we don't need to request the server */
1409 : /* if the new BBOX is inside the old BBOX as we have */
1410 : /* already all the features */
1411 1 : bReloadNeeded = !oOldEnvelope.Contains(oNewEnvelope);
1412 : }
1413 : else
1414 : {
1415 16 : bReloadNeeded = true;
1416 : }
1417 29 : nFeatures = -1;
1418 29 : OGRLayer::SetSpatialFilter(poGeom);
1419 29 : ResetReading();
1420 29 : }
1421 :
1422 : /************************************************************************/
1423 : /* SetAttributeFilter() */
1424 : /************************************************************************/
1425 :
1426 90 : OGRErr OGRWFSLayer::SetAttributeFilter(const char *pszFilter)
1427 : {
1428 90 : if (pszFilter != nullptr && pszFilter[0] == 0)
1429 8 : pszFilter = nullptr;
1430 :
1431 180 : CPLString osOldWFSWhere(osWFSWhere);
1432 :
1433 90 : CPLFree(m_pszAttrQueryString);
1434 90 : m_pszAttrQueryString = (pszFilter) ? CPLStrdup(pszFilter) : nullptr;
1435 :
1436 90 : delete m_poAttrQuery;
1437 90 : m_poAttrQuery = nullptr;
1438 :
1439 90 : if (pszFilter != nullptr)
1440 : {
1441 58 : m_poAttrQuery = new OGRFeatureQuery();
1442 :
1443 58 : OGRErr eErr = m_poAttrQuery->Compile(GetLayerDefn(), pszFilter, TRUE,
1444 : WFSGetCustomFuncRegistrar());
1445 58 : if (eErr != OGRERR_NONE)
1446 : {
1447 28 : delete m_poAttrQuery;
1448 28 : m_poAttrQuery = nullptr;
1449 28 : return eErr;
1450 : }
1451 : }
1452 :
1453 62 : if (poDS->HasMinOperators() && m_poAttrQuery != nullptr)
1454 : {
1455 30 : swq_expr_node *poNode = (swq_expr_node *)m_poAttrQuery->GetSWQExpr();
1456 30 : poNode->ReplaceBetweenByGEAndLERecurse();
1457 :
1458 30 : int bNeedsNullCheck = FALSE;
1459 60 : int nVersion = (strcmp(poDS->GetVersion(), "1.0.0") == 0) ? 100
1460 30 : : (atoi(poDS->GetVersion()) >= 2) ? 200
1461 30 : : 110;
1462 30 : if (poNode->field_type != SWQ_BOOLEAN)
1463 0 : osWFSWhere = "";
1464 : else
1465 60 : osWFSWhere = WFS_TurnSQLFilterToOGCFilter(
1466 : poNode, nullptr, GetLayerDefn(), nVersion,
1467 30 : poDS->PropertyIsNotEqualToSupported(),
1468 30 : poDS->UseFeatureId() || bUseFeatureIdAtLayerLevel,
1469 60 : poDS->DoesGmlObjectIdNeedGMLPrefix(), "", &bNeedsNullCheck);
1470 30 : if (bNeedsNullCheck && !poDS->HasNullCheck())
1471 0 : osWFSWhere = "";
1472 : }
1473 : else
1474 32 : osWFSWhere = "";
1475 :
1476 62 : if (m_poAttrQuery != nullptr && osWFSWhere.empty())
1477 : {
1478 0 : CPLDebug("WFS", "Using client-side only mode for filter \"%s\"",
1479 : pszFilter);
1480 0 : OGRErr eErr = OGRLayer::SetAttributeFilter(pszFilter);
1481 0 : if (eErr != OGRERR_NONE)
1482 0 : return eErr;
1483 : }
1484 62 : ResetReading();
1485 :
1486 62 : osSQLWhere = (pszFilter) ? pszFilter : "";
1487 :
1488 62 : if (osWFSWhere != osOldWFSWhere)
1489 46 : bReloadNeeded = true;
1490 : else
1491 16 : bReloadNeeded = false;
1492 62 : nFeatures = -1;
1493 :
1494 62 : return OGRERR_NONE;
1495 : }
1496 :
1497 : /************************************************************************/
1498 : /* TestCapability() */
1499 : /************************************************************************/
1500 :
1501 160 : int OGRWFSLayer::TestCapability(const char *pszCap)
1502 :
1503 : {
1504 160 : if (EQUAL(pszCap, OLCFastFeatureCount))
1505 : {
1506 17 : if (nFeatures >= 0)
1507 0 : return TRUE;
1508 :
1509 0 : return poBaseLayer != nullptr && m_poFilterGeom == nullptr &&
1510 0 : m_poAttrQuery == nullptr &&
1511 17 : poBaseLayer->TestCapability(pszCap) &&
1512 0 : (!poDS->IsPagingAllowed() &&
1513 17 : poBaseLayer->GetFeatureCount() < poDS->GetPageSize());
1514 : }
1515 :
1516 143 : else if (EQUAL(pszCap, OLCFastGetExtent))
1517 : {
1518 7 : if (m_oExtents.IsInit())
1519 0 : return TRUE;
1520 :
1521 7 : return poBaseLayer != nullptr && poBaseLayer->TestCapability(pszCap);
1522 : }
1523 :
1524 136 : else if (EQUAL(pszCap, OLCStringsAsUTF8))
1525 0 : return poBaseLayer != nullptr && poBaseLayer->TestCapability(pszCap);
1526 :
1527 136 : else if (EQUAL(pszCap, OLCSequentialWrite) ||
1528 98 : EQUAL(pszCap, OLCDeleteFeature) || EQUAL(pszCap, OLCRandomWrite))
1529 : {
1530 78 : GetLayerDefn();
1531 156 : return poDS->SupportTransactions() && poDS->UpdateMode() &&
1532 156 : poFeatureDefn->GetFieldIndex("gml_id") == 0;
1533 : }
1534 58 : else if (EQUAL(pszCap, OLCTransactions))
1535 : {
1536 50 : return poDS->SupportTransactions() && poDS->UpdateMode();
1537 : }
1538 8 : else if (EQUAL(pszCap, OLCIgnoreFields))
1539 : {
1540 0 : return TRUE;
1541 : }
1542 :
1543 8 : return FALSE;
1544 : }
1545 :
1546 : /************************************************************************/
1547 : /* ExecuteGetFeatureResultTypeHits() */
1548 : /************************************************************************/
1549 :
1550 9 : GIntBig OGRWFSLayer::ExecuteGetFeatureResultTypeHits()
1551 : {
1552 9 : char *pabyData = nullptr;
1553 18 : CPLString osURL = MakeGetFeatureURL(0, TRUE);
1554 9 : if (pszRequiredOutputFormat)
1555 0 : osURL = CPLURLAddKVP(osURL, "OUTPUTFORMAT",
1556 0 : WFS_EscapeURL(pszRequiredOutputFormat));
1557 9 : CPLDebug("WFS", "%s", osURL.c_str());
1558 :
1559 9 : CPLHTTPResult *psResult = poDS->HTTPFetch(osURL, nullptr);
1560 9 : if (psResult == nullptr)
1561 : {
1562 1 : return -1;
1563 : }
1564 :
1565 : /* http://demo.snowflakesoftware.com:8080/Obstacle_AIXM_ZIP/GOPublisherWFS
1566 : * returns */
1567 : /* zip content, including for RESULTTYPE=hits */
1568 8 : if (psResult->pszContentType != nullptr &&
1569 0 : strstr(psResult->pszContentType, "application/zip") != nullptr)
1570 : {
1571 : const CPLString osTmpFileName(
1572 0 : VSIMemGenerateHiddenFilename("wfstemphits.zip"));
1573 0 : VSILFILE *fp = VSIFileFromMemBuffer(osTmpFileName, psResult->pabyData,
1574 0 : psResult->nDataLen, FALSE);
1575 0 : VSIFCloseL(fp);
1576 :
1577 0 : CPLString osZipTmpFileName("/vsizip/" + osTmpFileName);
1578 :
1579 0 : char **papszDirContent = VSIReadDir(osZipTmpFileName);
1580 0 : if (CSLCount(papszDirContent) != 1)
1581 : {
1582 0 : CPLError(CE_Failure, CPLE_AppDefined,
1583 : "Cannot parse result of RESULTTYPE=hits request : more "
1584 : "than one file in zip");
1585 0 : CSLDestroy(papszDirContent);
1586 0 : CPLHTTPDestroyResult(psResult);
1587 0 : VSIUnlink(osTmpFileName);
1588 0 : return -1;
1589 : }
1590 :
1591 0 : CPLString osFileInZipTmpFileName = osZipTmpFileName + "/";
1592 0 : osFileInZipTmpFileName += papszDirContent[0];
1593 :
1594 0 : fp = VSIFOpenL(osFileInZipTmpFileName.c_str(), "rb");
1595 : VSIStatBufL sBuf;
1596 0 : if (fp == nullptr ||
1597 0 : VSIStatL(osFileInZipTmpFileName.c_str(), &sBuf) != 0)
1598 : {
1599 0 : CPLError(CE_Failure, CPLE_AppDefined,
1600 : "Cannot parse result of RESULTTYPE=hits request : cannot "
1601 : "open one file in zip");
1602 0 : CSLDestroy(papszDirContent);
1603 0 : CPLHTTPDestroyResult(psResult);
1604 0 : VSIUnlink(osTmpFileName);
1605 0 : if (fp)
1606 0 : VSIFCloseL(fp);
1607 0 : return -1;
1608 : }
1609 0 : pabyData = (char *)CPLMalloc((size_t)(sBuf.st_size + 1));
1610 0 : pabyData[sBuf.st_size] = 0;
1611 0 : VSIFReadL(pabyData, 1, (size_t)sBuf.st_size, fp);
1612 0 : VSIFCloseL(fp);
1613 :
1614 0 : CSLDestroy(papszDirContent);
1615 0 : VSIUnlink(osTmpFileName);
1616 : }
1617 : else
1618 : {
1619 8 : pabyData = (char *)psResult->pabyData;
1620 8 : psResult->pabyData = nullptr;
1621 : }
1622 :
1623 8 : if (strstr(pabyData, "<ServiceExceptionReport") != nullptr ||
1624 7 : strstr(pabyData, "<ows:ExceptionReport") != nullptr)
1625 : {
1626 1 : if (poDS->IsOldDeegree(pabyData))
1627 : {
1628 0 : CPLHTTPDestroyResult(psResult);
1629 0 : return ExecuteGetFeatureResultTypeHits();
1630 : }
1631 1 : CPLError(CE_Failure, CPLE_AppDefined, "Error returned by server : %s",
1632 : pabyData);
1633 1 : CPLHTTPDestroyResult(psResult);
1634 1 : CPLFree(pabyData);
1635 1 : return -1;
1636 : }
1637 :
1638 7 : CPLXMLNode *psXML = CPLParseXMLString(pabyData);
1639 7 : if (psXML == nullptr)
1640 : {
1641 2 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid XML content : %s",
1642 : pabyData);
1643 2 : CPLHTTPDestroyResult(psResult);
1644 2 : CPLFree(pabyData);
1645 2 : return -1;
1646 : }
1647 :
1648 5 : CPLStripXMLNamespace(psXML, nullptr, TRUE);
1649 5 : CPLXMLNode *psRoot = CPLGetXMLNode(psXML, "=FeatureCollection");
1650 5 : if (psRoot == nullptr)
1651 : {
1652 1 : CPLError(CE_Failure, CPLE_AppDefined,
1653 : "Cannot find <FeatureCollection>");
1654 1 : CPLDestroyXMLNode(psXML);
1655 1 : CPLHTTPDestroyResult(psResult);
1656 1 : CPLFree(pabyData);
1657 1 : return -1;
1658 : }
1659 :
1660 4 : const char *pszValue = CPLGetXMLValue(psRoot, "numberOfFeatures", nullptr);
1661 4 : if (pszValue == nullptr)
1662 : pszValue =
1663 3 : CPLGetXMLValue(psRoot, "numberMatched", nullptr); /* WFS 2.0.0 */
1664 4 : if (pszValue == nullptr)
1665 : {
1666 1 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find numberOfFeatures");
1667 1 : CPLDestroyXMLNode(psXML);
1668 1 : CPLHTTPDestroyResult(psResult);
1669 1 : CPLFree(pabyData);
1670 :
1671 1 : poDS->DisableSupportHits();
1672 1 : return -1;
1673 : }
1674 :
1675 3 : GIntBig l_nFeatures = CPLAtoGIntBig(pszValue);
1676 : /* Hum,
1677 : * http://deegree3-testing.deegree.org:80/deegree-inspire-node/services?MAXFEATURES=10&SERVICE=WFS&VERSION=1.1.0&REQUEST=GetFeature&TYPENAME=ad:Address&OUTPUTFORMAT=text/xml;%20subtype=gml/3.2.1&RESULTTYPE=hits
1678 : */
1679 : /* returns more than MAXFEATURES features... So truncate to MAXFEATURES */
1680 : CPLString osMaxFeatures = CPLURLGetValue(
1681 3 : osURL, atoi(poDS->GetVersion()) >= 2 ? "COUNT" : "MAXFEATURES");
1682 3 : if (!osMaxFeatures.empty())
1683 : {
1684 0 : GIntBig nMaxFeatures = CPLAtoGIntBig(osMaxFeatures);
1685 0 : if (l_nFeatures > nMaxFeatures)
1686 : {
1687 0 : CPLDebug("WFS",
1688 : "Truncating result from " CPL_FRMT_GIB " to " CPL_FRMT_GIB,
1689 : l_nFeatures, nMaxFeatures);
1690 0 : l_nFeatures = nMaxFeatures;
1691 : }
1692 : }
1693 :
1694 3 : CPLDestroyXMLNode(psXML);
1695 3 : CPLHTTPDestroyResult(psResult);
1696 3 : CPLFree(pabyData);
1697 :
1698 3 : return l_nFeatures;
1699 : }
1700 :
1701 : /************************************************************************/
1702 : /* CanRunGetFeatureCountAndGetExtentTogether() */
1703 : /************************************************************************/
1704 :
1705 14 : int OGRWFSLayer::CanRunGetFeatureCountAndGetExtentTogether()
1706 : {
1707 : /* In some cases, we can evaluate the result of GetFeatureCount() */
1708 : /* and GetExtent() with the same data */
1709 14 : CPLString osRequestURL = MakeGetFeatureURL(0, FALSE);
1710 22 : return (!m_oExtents.IsInit() && nFeatures < 0 &&
1711 8 : osRequestURL.ifind("FILTER") == std::string::npos &&
1712 8 : osRequestURL.ifind("MAXFEATURES") == std::string::npos &&
1713 30 : osRequestURL.ifind("COUNT") == std::string::npos &&
1714 36 : !(GetLayerDefn()->IsGeometryIgnored()));
1715 : }
1716 :
1717 : /************************************************************************/
1718 : /* GetFeatureCount() */
1719 : /************************************************************************/
1720 :
1721 12 : GIntBig OGRWFSLayer::GetFeatureCount(int bForce)
1722 : {
1723 12 : if (nFeatures >= 0)
1724 2 : return nFeatures;
1725 :
1726 10 : if (TestCapability(OLCFastFeatureCount))
1727 0 : return poBaseLayer->GetFeatureCount(bForce);
1728 :
1729 20 : if ((m_poAttrQuery == nullptr || !osWFSWhere.empty()) &&
1730 10 : poDS->GetFeatureSupportHits())
1731 : {
1732 9 : nFeatures = ExecuteGetFeatureResultTypeHits();
1733 9 : if (nFeatures >= 0)
1734 3 : return nFeatures;
1735 : }
1736 :
1737 : /* If we have not yet the base layer, try to read one */
1738 : /* feature, and then query again OLCFastFeatureCount on the */
1739 : /* base layer. In case the WFS response would contain the */
1740 : /* number of features */
1741 7 : if (poBaseLayer == nullptr)
1742 : {
1743 7 : ResetReading();
1744 7 : OGRFeature *poFeature = GetNextFeature();
1745 7 : delete poFeature;
1746 7 : ResetReading();
1747 :
1748 7 : if (TestCapability(OLCFastFeatureCount))
1749 0 : return poBaseLayer->GetFeatureCount(bForce);
1750 : }
1751 :
1752 : /* In some cases, we can evaluate the result of GetFeatureCount() */
1753 : /* and GetExtent() with the same data */
1754 7 : if (CanRunGetFeatureCountAndGetExtentTogether())
1755 : {
1756 1 : OGREnvelope sDummy;
1757 1 : GetExtent(&sDummy);
1758 : }
1759 :
1760 7 : if (nFeatures < 0)
1761 7 : nFeatures = OGRLayer::GetFeatureCount(bForce);
1762 :
1763 7 : return nFeatures;
1764 : }
1765 :
1766 : /************************************************************************/
1767 : /* SetExtents() */
1768 : /************************************************************************/
1769 :
1770 152 : void OGRWFSLayer::SetExtents(double dfMinXIn, double dfMinYIn, double dfMaxXIn,
1771 : double dfMaxYIn)
1772 : {
1773 152 : m_oExtents.MinX = dfMinXIn;
1774 152 : m_oExtents.MinY = dfMinYIn;
1775 152 : m_oExtents.MaxX = dfMaxXIn;
1776 152 : m_oExtents.MaxY = dfMaxYIn;
1777 152 : }
1778 :
1779 : /************************************************************************/
1780 : /* SetWGS84Extents() */
1781 : /************************************************************************/
1782 :
1783 152 : void OGRWFSLayer::SetWGS84Extents(double dfMinXIn, double dfMinYIn,
1784 : double dfMaxXIn, double dfMaxYIn)
1785 : {
1786 152 : m_oWGS84Extents.MinX = dfMinXIn;
1787 152 : m_oWGS84Extents.MinY = dfMinYIn;
1788 152 : m_oWGS84Extents.MaxX = dfMaxXIn;
1789 152 : m_oWGS84Extents.MaxY = dfMaxYIn;
1790 152 : }
1791 :
1792 : /************************************************************************/
1793 : /* GetExtent() */
1794 : /************************************************************************/
1795 :
1796 16 : OGRErr OGRWFSLayer::GetExtent(OGREnvelope *psExtent, int bForce)
1797 : {
1798 16 : if (m_oExtents.IsInit())
1799 : {
1800 9 : *psExtent = m_oExtents;
1801 9 : return OGRERR_NONE;
1802 : }
1803 :
1804 : /* If we have not yet the base layer, try to read one */
1805 : /* feature, and then query again OLCFastGetExtent on the */
1806 : /* base layer. In case the WFS response would contain the */
1807 : /* global extent */
1808 7 : if (poBaseLayer == nullptr)
1809 : {
1810 7 : ResetReading();
1811 7 : OGRFeature *poFeature = GetNextFeature();
1812 7 : delete poFeature;
1813 7 : ResetReading();
1814 : }
1815 :
1816 7 : if (TestCapability(OLCFastGetExtent))
1817 0 : return poBaseLayer->GetExtent(psExtent, bForce);
1818 :
1819 : /* In some cases, we can evaluate the result of GetFeatureCount() */
1820 : /* and GetExtent() with the same data */
1821 7 : if (CanRunGetFeatureCountAndGetExtentTogether())
1822 : {
1823 7 : bCountFeaturesInGetNextFeature = true;
1824 7 : nFeatures = 0;
1825 : }
1826 :
1827 7 : OGRErr eErr = OGRLayer::GetExtent(psExtent, bForce);
1828 :
1829 7 : if (bCountFeaturesInGetNextFeature)
1830 : {
1831 7 : if (eErr == OGRERR_NONE)
1832 : {
1833 2 : m_oExtents = *psExtent;
1834 : }
1835 : else
1836 : {
1837 5 : nFeatures = -1;
1838 : }
1839 7 : bCountFeaturesInGetNextFeature = false;
1840 : }
1841 :
1842 7 : return eErr;
1843 : }
1844 :
1845 : /************************************************************************/
1846 : /* GetShortName() */
1847 : /************************************************************************/
1848 :
1849 718 : const char *OGRWFSLayer::GetShortName()
1850 : {
1851 718 : const char *pszShortName = strchr(pszName, ':');
1852 718 : if (pszShortName == nullptr)
1853 622 : pszShortName = pszName;
1854 : else
1855 96 : pszShortName++;
1856 718 : return pszShortName;
1857 : }
1858 :
1859 : /************************************************************************/
1860 : /* GetPostHeader() */
1861 : /************************************************************************/
1862 :
1863 62 : CPLString OGRWFSLayer::GetPostHeader()
1864 : {
1865 62 : CPLString osPost;
1866 62 : osPost += "<?xml version=\"1.0\"?>\n";
1867 62 : osPost += "<wfs:Transaction xmlns:wfs=\"http://www.opengis.net/wfs\"\n";
1868 : osPost += " "
1869 62 : "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n";
1870 62 : osPost += " service=\"WFS\" version=\"";
1871 62 : osPost += poDS->GetVersion();
1872 62 : osPost += "\"\n";
1873 62 : osPost += " xmlns:gml=\"http://www.opengis.net/gml\"\n";
1874 62 : osPost += " xmlns:ogc=\"http://www.opengis.net/ogc\"\n";
1875 : osPost +=
1876 : " xsi:schemaLocation=\"http://www.opengis.net/wfs "
1877 62 : "http://schemas.opengis.net/wfs/";
1878 62 : osPost += poDS->GetVersion();
1879 62 : osPost += "/wfs.xsd ";
1880 62 : osPost += osTargetNamespace;
1881 62 : osPost += " ";
1882 :
1883 : char *pszXMLEncoded =
1884 62 : CPLEscapeString(GetDescribeFeatureTypeURL(FALSE), -1, CPLES_XML);
1885 62 : osPost += pszXMLEncoded;
1886 62 : CPLFree(pszXMLEncoded);
1887 :
1888 62 : osPost += "\">\n";
1889 :
1890 62 : return osPost;
1891 : }
1892 :
1893 : /************************************************************************/
1894 : /* ICreateFeature() */
1895 : /************************************************************************/
1896 :
1897 38 : OGRErr OGRWFSLayer::ICreateFeature(OGRFeature *poFeature)
1898 : {
1899 38 : if (!TestCapability(OLCSequentialWrite))
1900 : {
1901 0 : if (!poDS->SupportTransactions())
1902 0 : CPLError(CE_Failure, CPLE_AppDefined,
1903 : "CreateFeature() not supported: no WMS-T features "
1904 : "advertized by server");
1905 0 : else if (!poDS->UpdateMode())
1906 0 : CPLError(CE_Failure, CPLE_AppDefined,
1907 : "CreateFeature() not supported: datasource opened as "
1908 : "read-only");
1909 0 : return OGRERR_FAILURE;
1910 : }
1911 :
1912 38 : if (poGMLFeatureClass == nullptr)
1913 : {
1914 0 : CPLError(CE_Failure, CPLE_AppDefined,
1915 : "Cannot insert feature because we didn't manage to parse the "
1916 : ".XSD schema");
1917 0 : return OGRERR_FAILURE;
1918 : }
1919 :
1920 38 : if (poFeatureDefn->GetFieldIndex("gml_id") != 0)
1921 : {
1922 0 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find gml_id field");
1923 0 : return OGRERR_FAILURE;
1924 : }
1925 :
1926 38 : if (poFeature->IsFieldSetAndNotNull(0))
1927 : {
1928 2 : CPLError(CE_Failure, CPLE_AppDefined,
1929 : "Cannot insert a feature when gml_id field is already set");
1930 2 : return OGRERR_FAILURE;
1931 : }
1932 :
1933 72 : CPLString osPost;
1934 :
1935 36 : const char *pszShortName = GetShortName();
1936 :
1937 36 : if (!bInTransaction)
1938 : {
1939 20 : osPost += GetPostHeader();
1940 20 : osPost += " <wfs:Insert>\n";
1941 : }
1942 36 : osPost += " <feature:";
1943 36 : osPost += pszShortName;
1944 36 : osPost += " xmlns:feature=\"";
1945 36 : osPost += osTargetNamespace;
1946 36 : osPost += "\">\n";
1947 :
1948 288 : for (int i = 1; i <= poFeature->GetFieldCount(); i++)
1949 : {
1950 576 : if (poGMLFeatureClass->GetGeometryPropertyCount() == 1 &&
1951 288 : poGMLFeatureClass->GetGeometryProperty(0)->GetAttributeIndex() ==
1952 288 : i - 1)
1953 : {
1954 36 : OGRGeometry *poGeom = poFeature->GetGeometryRef();
1955 36 : if (poGeom != nullptr && !osGeometryColumnName.empty())
1956 : {
1957 2 : if (poGeom->getSpatialReference() == nullptr)
1958 2 : poGeom->assignSpatialReference(m_poSRS);
1959 2 : char *pszGML = nullptr;
1960 2 : if (strcmp(poDS->GetVersion(), "1.1.0") == 0 ||
1961 0 : atoi(poDS->GetVersion()) >= 2)
1962 : {
1963 2 : char **papszOptions = CSLAddString(nullptr, "FORMAT=GML3");
1964 : pszGML =
1965 2 : OGR_G_ExportToGMLEx((OGRGeometryH)poGeom, papszOptions);
1966 2 : CSLDestroy(papszOptions);
1967 : }
1968 : else
1969 0 : pszGML = OGR_G_ExportToGML((OGRGeometryH)poGeom);
1970 2 : osPost += " <feature:";
1971 2 : osPost += osGeometryColumnName;
1972 2 : osPost += ">";
1973 2 : osPost += pszGML;
1974 2 : osPost += "</feature:";
1975 2 : osPost += osGeometryColumnName;
1976 2 : osPost += ">\n";
1977 2 : CPLFree(pszGML);
1978 : }
1979 : }
1980 288 : if (i == poFeature->GetFieldCount())
1981 36 : break;
1982 :
1983 : #ifdef notdef
1984 : if (poFeature->IsFieldNull(i))
1985 : {
1986 : OGRFieldDefn *poFDefn = poFeature->GetFieldDefnRef(i);
1987 : osPost += " <feature:";
1988 : osPost += poFDefn->GetNameRef();
1989 : osPost += " xsi:nil=\"true\" />\n";
1990 : }
1991 : else
1992 : #endif
1993 252 : if (poFeature->IsFieldSet(i) && !poFeature->IsFieldNull(i))
1994 : {
1995 6 : OGRFieldDefn *poFDefn = poFeature->GetFieldDefnRef(i);
1996 6 : osPost += " <feature:";
1997 6 : osPost += poFDefn->GetNameRef();
1998 6 : osPost += ">";
1999 6 : if (poFDefn->GetType() == OFTInteger)
2000 2 : osPost += CPLSPrintf("%d", poFeature->GetFieldAsInteger(i));
2001 4 : else if (poFDefn->GetType() == OFTInteger64)
2002 : osPost +=
2003 0 : CPLSPrintf(CPL_FRMT_GIB, poFeature->GetFieldAsInteger64(i));
2004 4 : else if (poFDefn->GetType() == OFTReal)
2005 2 : osPost += CPLSPrintf("%.16g", poFeature->GetFieldAsDouble(i));
2006 : else
2007 : {
2008 2 : char *pszXMLEncoded = CPLEscapeString(
2009 : poFeature->GetFieldAsString(i), -1, CPLES_XML);
2010 2 : osPost += pszXMLEncoded;
2011 2 : CPLFree(pszXMLEncoded);
2012 : }
2013 6 : osPost += "</feature:";
2014 6 : osPost += poFDefn->GetNameRef();
2015 6 : osPost += ">\n";
2016 : }
2017 : }
2018 :
2019 36 : osPost += " </feature:";
2020 36 : osPost += pszShortName;
2021 36 : osPost += ">\n";
2022 :
2023 36 : if (!bInTransaction)
2024 : {
2025 20 : osPost += " </wfs:Insert>\n";
2026 20 : osPost += "</wfs:Transaction>\n";
2027 : }
2028 : else
2029 : {
2030 16 : osGlobalInsert += osPost;
2031 16 : nExpectedInserts++;
2032 16 : return OGRERR_NONE;
2033 : }
2034 :
2035 20 : CPLDebug("WFS", "Post : %s", osPost.c_str());
2036 :
2037 20 : char **papszOptions = nullptr;
2038 20 : papszOptions = CSLAddNameValue(papszOptions, "POSTFIELDS", osPost.c_str());
2039 : papszOptions =
2040 20 : CSLAddNameValue(papszOptions, "HEADERS",
2041 : "Content-Type: application/xml; charset=UTF-8");
2042 :
2043 : CPLHTTPResult *psResult =
2044 20 : poDS->HTTPFetch(poDS->GetPostTransactionURL(), papszOptions);
2045 20 : CSLDestroy(papszOptions);
2046 :
2047 20 : if (psResult == nullptr)
2048 : {
2049 6 : return OGRERR_FAILURE;
2050 : }
2051 :
2052 14 : if (strstr((const char *)psResult->pabyData, "<ServiceExceptionReport") !=
2053 12 : nullptr ||
2054 12 : strstr((const char *)psResult->pabyData, "<ows:ExceptionReport") !=
2055 : nullptr)
2056 : {
2057 2 : CPLError(CE_Failure, CPLE_AppDefined, "Error returned by server : %s",
2058 : psResult->pabyData);
2059 2 : CPLHTTPDestroyResult(psResult);
2060 2 : return OGRERR_FAILURE;
2061 : }
2062 :
2063 12 : CPLDebug("WFS", "Response: %s", psResult->pabyData);
2064 :
2065 12 : CPLXMLNode *psXML = CPLParseXMLString((const char *)psResult->pabyData);
2066 12 : if (psXML == nullptr)
2067 : {
2068 2 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid XML content : %s",
2069 : psResult->pabyData);
2070 2 : CPLHTTPDestroyResult(psResult);
2071 2 : return OGRERR_FAILURE;
2072 : }
2073 :
2074 10 : CPLStripXMLNamespace(psXML, nullptr, TRUE);
2075 10 : bool bUse100Schema = false;
2076 10 : CPLXMLNode *psRoot = CPLGetXMLNode(psXML, "=TransactionResponse");
2077 10 : if (psRoot == nullptr)
2078 : {
2079 2 : psRoot = CPLGetXMLNode(psXML, "=WFS_TransactionResponse");
2080 2 : if (psRoot)
2081 0 : bUse100Schema = true;
2082 : }
2083 :
2084 10 : if (psRoot == nullptr)
2085 : {
2086 2 : CPLError(CE_Failure, CPLE_AppDefined,
2087 : "Cannot find <TransactionResponse>");
2088 2 : CPLDestroyXMLNode(psXML);
2089 2 : CPLHTTPDestroyResult(psResult);
2090 2 : return OGRERR_FAILURE;
2091 : }
2092 :
2093 8 : CPLXMLNode *psFeatureID = nullptr;
2094 :
2095 8 : if (bUse100Schema)
2096 : {
2097 0 : if (CPLGetXMLNode(psRoot, "TransactionResult.Status.FAILED"))
2098 : {
2099 0 : CPLError(CE_Failure, CPLE_AppDefined, "Insert failed : %s",
2100 : psResult->pabyData);
2101 0 : CPLDestroyXMLNode(psXML);
2102 0 : CPLHTTPDestroyResult(psResult);
2103 0 : return OGRERR_FAILURE;
2104 : }
2105 :
2106 0 : psFeatureID = CPLGetXMLNode(psRoot, "InsertResult.FeatureId");
2107 0 : if (psFeatureID == nullptr)
2108 : {
2109 0 : CPLError(CE_Failure, CPLE_AppDefined,
2110 : "Cannot find InsertResult.FeatureId");
2111 0 : CPLDestroyXMLNode(psXML);
2112 0 : CPLHTTPDestroyResult(psResult);
2113 0 : return OGRERR_FAILURE;
2114 : }
2115 : }
2116 : else
2117 : {
2118 8 : const char *pszFeatureIdElt = atoi(poDS->GetVersion()) >= 2
2119 8 : ? "InsertResults.Feature.ResourceId"
2120 8 : : "InsertResults.Feature.FeatureId";
2121 8 : psFeatureID = CPLGetXMLNode(psRoot, pszFeatureIdElt);
2122 8 : if (psFeatureID == nullptr)
2123 : {
2124 2 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find %s",
2125 : pszFeatureIdElt);
2126 2 : CPLDestroyXMLNode(psXML);
2127 2 : CPLHTTPDestroyResult(psResult);
2128 2 : return OGRERR_FAILURE;
2129 : }
2130 : }
2131 :
2132 6 : const char *pszFIDAttr = atoi(poDS->GetVersion()) >= 2 ? "rid" : "fid";
2133 6 : const char *pszFID = CPLGetXMLValue(psFeatureID, pszFIDAttr, nullptr);
2134 6 : if (pszFID == nullptr)
2135 : {
2136 2 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find %s", pszFIDAttr);
2137 2 : CPLDestroyXMLNode(psXML);
2138 2 : CPLHTTPDestroyResult(psResult);
2139 2 : return OGRERR_FAILURE;
2140 : }
2141 :
2142 4 : poFeature->SetField("gml_id", pszFID);
2143 :
2144 : /* If the returned fid is of the form layer_name.num, then use */
2145 : /* num as the OGR FID */
2146 4 : if (strncmp(pszFID, pszShortName, strlen(pszShortName)) == 0 &&
2147 4 : pszFID[strlen(pszShortName)] == '.')
2148 : {
2149 4 : GIntBig nFID = CPLAtoGIntBig(pszFID + strlen(pszShortName) + 1);
2150 4 : poFeature->SetFID(nFID);
2151 : }
2152 :
2153 4 : CPLDebug("WFS", "Got FID = " CPL_FRMT_GIB, poFeature->GetFID());
2154 :
2155 4 : CPLDestroyXMLNode(psXML);
2156 4 : CPLHTTPDestroyResult(psResult);
2157 :
2158 : /* Invalidate layer */
2159 4 : bReloadNeeded = true;
2160 4 : nFeatures = -1;
2161 4 : m_oExtents = OGREnvelope();
2162 :
2163 4 : return OGRERR_NONE;
2164 : }
2165 :
2166 : /************************************************************************/
2167 : /* ISetFeature() */
2168 : /************************************************************************/
2169 :
2170 16 : OGRErr OGRWFSLayer::ISetFeature(OGRFeature *poFeature)
2171 : {
2172 16 : if (!TestCapability(OLCRandomWrite))
2173 : {
2174 0 : if (!poDS->SupportTransactions())
2175 0 : CPLError(CE_Failure, CPLE_AppDefined,
2176 : "SetFeature() not supported: no WMS-T features advertized "
2177 : "by server");
2178 0 : else if (!poDS->UpdateMode())
2179 0 : CPLError(
2180 : CE_Failure, CPLE_AppDefined,
2181 : "SetFeature() not supported: datasource opened as read-only");
2182 0 : return OGRERR_FAILURE;
2183 : }
2184 :
2185 16 : if (poFeatureDefn->GetFieldIndex("gml_id") != 0)
2186 : {
2187 0 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find gml_id field");
2188 0 : return OGRERR_FAILURE;
2189 : }
2190 :
2191 16 : if (poFeature->IsFieldSetAndNotNull(0) == FALSE)
2192 : {
2193 2 : CPLError(CE_Failure, CPLE_AppDefined,
2194 : "Cannot update a feature when gml_id field is not set");
2195 2 : return OGRERR_FAILURE;
2196 : }
2197 :
2198 14 : if (bInTransaction)
2199 : {
2200 0 : CPLError(
2201 : CE_Warning, CPLE_AppDefined,
2202 : "SetFeature() not yet dealt in transaction. Issued immediately");
2203 : }
2204 :
2205 14 : const char *pszShortName = GetShortName();
2206 :
2207 28 : CPLString osPost;
2208 14 : osPost += GetPostHeader();
2209 :
2210 14 : osPost += " <wfs:Update typeName=\"feature:";
2211 14 : osPost += pszShortName;
2212 14 : osPost += "\" xmlns:feature=\"";
2213 14 : osPost += osTargetNamespace;
2214 14 : osPost += "\">\n";
2215 :
2216 14 : OGRGeometry *poGeom = poFeature->GetGeometryRef();
2217 14 : if (!osGeometryColumnName.empty())
2218 : {
2219 14 : osPost += " <wfs:Property>\n";
2220 14 : osPost += " <wfs:Name>";
2221 14 : osPost += osGeometryColumnName;
2222 14 : osPost += "</wfs:Name>\n";
2223 14 : if (poGeom != nullptr)
2224 : {
2225 2 : if (poGeom->getSpatialReference() == nullptr)
2226 2 : poGeom->assignSpatialReference(m_poSRS);
2227 2 : char *pszGML = nullptr;
2228 2 : if (strcmp(poDS->GetVersion(), "1.1.0") == 0 ||
2229 0 : atoi(poDS->GetVersion()) >= 2)
2230 : {
2231 2 : char **papszOptions = CSLAddString(nullptr, "FORMAT=GML3");
2232 : pszGML =
2233 2 : OGR_G_ExportToGMLEx((OGRGeometryH)poGeom, papszOptions);
2234 2 : CSLDestroy(papszOptions);
2235 : }
2236 : else
2237 0 : pszGML = OGR_G_ExportToGML((OGRGeometryH)poGeom);
2238 2 : osPost += " <wfs:Value>";
2239 2 : osPost += pszGML;
2240 2 : osPost += "</wfs:Value>\n";
2241 2 : CPLFree(pszGML);
2242 : }
2243 14 : osPost += " </wfs:Property>\n";
2244 : }
2245 :
2246 112 : for (int i = 1; i < poFeature->GetFieldCount(); i++)
2247 : {
2248 98 : OGRFieldDefn *poFDefn = poFeature->GetFieldDefnRef(i);
2249 :
2250 98 : osPost += " <wfs:Property>\n";
2251 98 : osPost += " <wfs:Name>";
2252 98 : osPost += poFDefn->GetNameRef();
2253 98 : osPost += "</wfs:Name>\n";
2254 98 : if (poFeature->IsFieldSetAndNotNull(i))
2255 : {
2256 6 : osPost += " <wfs:Value>";
2257 6 : if (poFDefn->GetType() == OFTInteger)
2258 2 : osPost += CPLSPrintf("%d", poFeature->GetFieldAsInteger(i));
2259 4 : else if (poFDefn->GetType() == OFTInteger64)
2260 : osPost +=
2261 0 : CPLSPrintf(CPL_FRMT_GIB, poFeature->GetFieldAsInteger64(i));
2262 4 : else if (poFDefn->GetType() == OFTReal)
2263 2 : osPost += CPLSPrintf("%.16g", poFeature->GetFieldAsDouble(i));
2264 : else
2265 : {
2266 2 : char *pszXMLEncoded = CPLEscapeString(
2267 : poFeature->GetFieldAsString(i), -1, CPLES_XML);
2268 2 : osPost += pszXMLEncoded;
2269 2 : CPLFree(pszXMLEncoded);
2270 : }
2271 6 : osPost += "</wfs:Value>\n";
2272 : }
2273 98 : osPost += " </wfs:Property>\n";
2274 : }
2275 14 : osPost += " <ogc:Filter>\n";
2276 14 : if (poDS->UseFeatureId() || bUseFeatureIdAtLayerLevel)
2277 0 : osPost += " <ogc:FeatureId fid=\"";
2278 14 : else if (atoi(poDS->GetVersion()) >= 2)
2279 0 : osPost += " <ogc:ResourceId rid=\"";
2280 : else
2281 14 : osPost += " <ogc:GmlObjectId gml:id=\"";
2282 14 : osPost += poFeature->GetFieldAsString(0);
2283 14 : osPost += "\"/>\n";
2284 14 : osPost += " </ogc:Filter>\n";
2285 14 : osPost += " </wfs:Update>\n";
2286 14 : osPost += "</wfs:Transaction>\n";
2287 :
2288 14 : CPLDebug("WFS", "Post : %s", osPost.c_str());
2289 :
2290 14 : char **papszOptions = nullptr;
2291 14 : papszOptions = CSLAddNameValue(papszOptions, "POSTFIELDS", osPost.c_str());
2292 : papszOptions =
2293 14 : CSLAddNameValue(papszOptions, "HEADERS",
2294 : "Content-Type: application/xml; charset=UTF-8");
2295 :
2296 : CPLHTTPResult *psResult =
2297 14 : poDS->HTTPFetch(poDS->GetPostTransactionURL(), papszOptions);
2298 14 : CSLDestroy(papszOptions);
2299 :
2300 14 : if (psResult == nullptr)
2301 : {
2302 4 : return OGRERR_FAILURE;
2303 : }
2304 :
2305 10 : if (strstr((const char *)psResult->pabyData, "<ServiceExceptionReport") !=
2306 8 : nullptr ||
2307 8 : strstr((const char *)psResult->pabyData, "<ows:ExceptionReport") !=
2308 : nullptr)
2309 : {
2310 2 : CPLError(CE_Failure, CPLE_AppDefined, "Error returned by server : %s",
2311 : psResult->pabyData);
2312 2 : CPLHTTPDestroyResult(psResult);
2313 2 : return OGRERR_FAILURE;
2314 : }
2315 :
2316 8 : CPLDebug("WFS", "Response: %s", psResult->pabyData);
2317 :
2318 8 : CPLXMLNode *psXML = CPLParseXMLString((const char *)psResult->pabyData);
2319 8 : if (psXML == nullptr)
2320 : {
2321 2 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid XML content : %s",
2322 : psResult->pabyData);
2323 2 : CPLHTTPDestroyResult(psResult);
2324 2 : return OGRERR_FAILURE;
2325 : }
2326 :
2327 6 : CPLStripXMLNamespace(psXML, nullptr, TRUE);
2328 6 : int bUse100Schema = false;
2329 6 : CPLXMLNode *psRoot = CPLGetXMLNode(psXML, "=TransactionResponse");
2330 6 : if (psRoot == nullptr)
2331 : {
2332 2 : psRoot = CPLGetXMLNode(psXML, "=WFS_TransactionResponse");
2333 2 : if (psRoot)
2334 0 : bUse100Schema = true;
2335 : }
2336 6 : if (psRoot == nullptr)
2337 : {
2338 2 : CPLError(CE_Failure, CPLE_AppDefined,
2339 : "Cannot find <TransactionResponse>");
2340 2 : CPLDestroyXMLNode(psXML);
2341 2 : CPLHTTPDestroyResult(psResult);
2342 2 : return OGRERR_FAILURE;
2343 : }
2344 :
2345 4 : if (bUse100Schema)
2346 : {
2347 0 : if (CPLGetXMLNode(psRoot, "TransactionResult.Status.FAILED"))
2348 : {
2349 0 : CPLError(CE_Failure, CPLE_AppDefined, "Update failed : %s",
2350 : psResult->pabyData);
2351 0 : CPLDestroyXMLNode(psXML);
2352 0 : CPLHTTPDestroyResult(psResult);
2353 0 : return OGRERR_FAILURE;
2354 : }
2355 : }
2356 :
2357 4 : CPLDestroyXMLNode(psXML);
2358 4 : CPLHTTPDestroyResult(psResult);
2359 :
2360 : /* Invalidate layer */
2361 4 : bReloadNeeded = true;
2362 4 : nFeatures = -1;
2363 4 : m_oExtents = OGREnvelope();
2364 :
2365 4 : return OGRERR_NONE;
2366 : }
2367 :
2368 : /************************************************************************/
2369 : /* GetFeature() */
2370 : /************************************************************************/
2371 :
2372 14 : OGRFeature *OGRWFSLayer::GetFeature(GIntBig nFID)
2373 : {
2374 14 : GetLayerDefn();
2375 14 : if (poBaseLayer == nullptr && poFeatureDefn->GetFieldIndex("gml_id") == 0)
2376 : {
2377 : /* This is lovely hackish. We assume that then gml_id will be */
2378 : /* layer_name.number. This is actually what we can observe with */
2379 : /* GeoServer and TinyOWS */
2380 : CPLString osVal =
2381 14 : CPLSPrintf("gml_id = '%s." CPL_FRMT_GIB "'", GetShortName(), nFID);
2382 14 : CPLString osOldSQLWhere(osSQLWhere);
2383 14 : SetAttributeFilter(osVal);
2384 14 : OGRFeature *poFeature = GetNextFeature();
2385 : const char *pszOldFilter =
2386 14 : osOldSQLWhere.size() ? osOldSQLWhere.c_str() : nullptr;
2387 14 : SetAttributeFilter(pszOldFilter);
2388 14 : if (poFeature)
2389 12 : return poFeature;
2390 : }
2391 :
2392 2 : return OGRLayer::GetFeature(nFID);
2393 : }
2394 :
2395 : /************************************************************************/
2396 : /* DeleteFromFilter() */
2397 : /************************************************************************/
2398 :
2399 12 : OGRErr OGRWFSLayer::DeleteFromFilter(const std::string &osOGCFilter)
2400 : {
2401 12 : if (!TestCapability(OLCDeleteFeature))
2402 : {
2403 0 : if (!poDS->SupportTransactions())
2404 0 : CPLError(CE_Failure, CPLE_AppDefined,
2405 : "DeleteFromFilter() not supported: no WMS-T features "
2406 : "advertized by server");
2407 0 : else if (!poDS->UpdateMode())
2408 0 : CPLError(CE_Failure, CPLE_AppDefined,
2409 : "DeleteFromFilter() not supported: datasource opened as "
2410 : "read-only");
2411 0 : return OGRERR_FAILURE;
2412 : }
2413 :
2414 12 : if (poFeatureDefn->GetFieldIndex("gml_id") != 0)
2415 : {
2416 0 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find gml_id field");
2417 0 : return OGRERR_FAILURE;
2418 : }
2419 12 : const char *pszShortName = GetShortName();
2420 :
2421 24 : CPLString osPost;
2422 12 : osPost += GetPostHeader();
2423 :
2424 12 : osPost += " <wfs:Delete xmlns:feature=\"";
2425 12 : osPost += osTargetNamespace;
2426 12 : osPost += "\" typeName=\"feature:";
2427 12 : osPost += pszShortName;
2428 12 : osPost += "\">\n";
2429 12 : osPost += " <ogc:Filter>\n";
2430 12 : osPost += osOGCFilter;
2431 12 : osPost += " </ogc:Filter>\n";
2432 12 : osPost += " </wfs:Delete>\n";
2433 12 : osPost += "</wfs:Transaction>\n";
2434 :
2435 12 : CPLDebug("WFS", "Post : %s", osPost.c_str());
2436 :
2437 12 : char **papszOptions = nullptr;
2438 12 : papszOptions = CSLAddNameValue(papszOptions, "POSTFIELDS", osPost.c_str());
2439 : papszOptions =
2440 12 : CSLAddNameValue(papszOptions, "HEADERS",
2441 : "Content-Type: application/xml; charset=UTF-8");
2442 :
2443 : CPLHTTPResult *psResult =
2444 12 : poDS->HTTPFetch(poDS->GetPostTransactionURL(), papszOptions);
2445 12 : CSLDestroy(papszOptions);
2446 :
2447 12 : if (psResult == nullptr)
2448 : {
2449 4 : return OGRERR_FAILURE;
2450 : }
2451 :
2452 8 : if (strstr((const char *)psResult->pabyData, "<ServiceExceptionReport") !=
2453 8 : nullptr ||
2454 8 : strstr((const char *)psResult->pabyData, "<ows:ExceptionReport") !=
2455 : nullptr)
2456 : {
2457 0 : CPLError(CE_Failure, CPLE_AppDefined, "Error returned by server : %s",
2458 : psResult->pabyData);
2459 0 : CPLHTTPDestroyResult(psResult);
2460 0 : return OGRERR_FAILURE;
2461 : }
2462 :
2463 8 : CPLDebug("WFS", "Response: %s", psResult->pabyData);
2464 :
2465 8 : CPLXMLNode *psXML = CPLParseXMLString((const char *)psResult->pabyData);
2466 8 : if (psXML == nullptr)
2467 : {
2468 2 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid XML content : %s",
2469 : psResult->pabyData);
2470 2 : CPLHTTPDestroyResult(psResult);
2471 2 : return OGRERR_FAILURE;
2472 : }
2473 :
2474 6 : CPLStripXMLNamespace(psXML, nullptr, TRUE);
2475 6 : bool bUse100Schema = false;
2476 6 : CPLXMLNode *psRoot = CPLGetXMLNode(psXML, "=TransactionResponse");
2477 6 : if (psRoot == nullptr)
2478 : {
2479 2 : psRoot = CPLGetXMLNode(psXML, "=WFS_TransactionResponse");
2480 2 : if (psRoot)
2481 0 : bUse100Schema = true;
2482 : }
2483 6 : if (psRoot == nullptr)
2484 : {
2485 2 : CPLError(CE_Failure, CPLE_AppDefined,
2486 : "Cannot find <TransactionResponse>");
2487 2 : CPLDestroyXMLNode(psXML);
2488 2 : CPLHTTPDestroyResult(psResult);
2489 2 : return OGRERR_FAILURE;
2490 : }
2491 :
2492 4 : if (bUse100Schema)
2493 : {
2494 0 : if (CPLGetXMLNode(psRoot, "TransactionResult.Status.FAILED"))
2495 : {
2496 0 : CPLError(CE_Failure, CPLE_AppDefined, "Delete failed : %s",
2497 : psResult->pabyData);
2498 0 : CPLDestroyXMLNode(psXML);
2499 0 : CPLHTTPDestroyResult(psResult);
2500 0 : return OGRERR_FAILURE;
2501 : }
2502 : }
2503 :
2504 4 : CPLDestroyXMLNode(psXML);
2505 4 : CPLHTTPDestroyResult(psResult);
2506 :
2507 : /* Invalidate layer */
2508 4 : bReloadNeeded = true;
2509 4 : nFeatures = -1;
2510 4 : m_oExtents = OGREnvelope();
2511 :
2512 4 : return OGRERR_NONE;
2513 : }
2514 :
2515 : /************************************************************************/
2516 : /* DeleteFeature() */
2517 : /************************************************************************/
2518 :
2519 12 : OGRErr OGRWFSLayer::DeleteFeature(GIntBig nFID)
2520 : {
2521 12 : if (!TestCapability(OLCDeleteFeature))
2522 : {
2523 0 : if (!poDS->SupportTransactions())
2524 0 : CPLError(CE_Failure, CPLE_AppDefined,
2525 : "DeleteFeature() not supported: no WMS-T features "
2526 : "advertized by server");
2527 0 : else if (!poDS->UpdateMode())
2528 0 : CPLError(CE_Failure, CPLE_AppDefined,
2529 : "DeleteFeature() not supported: datasource opened as "
2530 : "read-only");
2531 0 : return OGRERR_FAILURE;
2532 : }
2533 :
2534 12 : if (poFeatureDefn->GetFieldIndex("gml_id") != 0)
2535 : {
2536 0 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find gml_id field");
2537 0 : return OGRERR_FAILURE;
2538 : }
2539 :
2540 12 : OGRFeature *poFeature = GetFeature(nFID);
2541 12 : if (poFeature == nullptr)
2542 : {
2543 2 : CPLError(CE_Failure, CPLE_AppDefined,
2544 : "Cannot find feature " CPL_FRMT_GIB, nFID);
2545 2 : return OGRERR_FAILURE;
2546 : }
2547 :
2548 10 : const char *pszGMLID = poFeature->GetFieldAsString("gml_id");
2549 10 : if (pszGMLID == nullptr)
2550 : {
2551 0 : CPLError(CE_Failure, CPLE_AppDefined,
2552 : "Cannot delete a feature with gml_id unset");
2553 0 : delete poFeature;
2554 0 : return OGRERR_FAILURE;
2555 : }
2556 :
2557 10 : if (bInTransaction)
2558 : {
2559 0 : CPLError(
2560 : CE_Warning, CPLE_AppDefined,
2561 : "DeleteFeature() not yet dealt in transaction. Issued immediately");
2562 : }
2563 :
2564 20 : CPLString osGMLID = pszGMLID;
2565 10 : pszGMLID = nullptr;
2566 10 : delete poFeature;
2567 10 : poFeature = nullptr;
2568 :
2569 20 : CPLString osFilter;
2570 10 : osFilter = "<ogc:FeatureId fid=\"";
2571 10 : osFilter += osGMLID;
2572 10 : osFilter += "\"/>\n";
2573 10 : return DeleteFromFilter(osFilter);
2574 : }
2575 :
2576 : /************************************************************************/
2577 : /* StartTransaction() */
2578 : /************************************************************************/
2579 :
2580 24 : OGRErr OGRWFSLayer::StartTransaction()
2581 : {
2582 24 : if (!TestCapability(OLCTransactions))
2583 : {
2584 0 : if (!poDS->SupportTransactions())
2585 0 : CPLError(CE_Failure, CPLE_AppDefined,
2586 : "StartTransaction() not supported: no WMS-T features "
2587 : "advertized by server");
2588 0 : else if (!poDS->UpdateMode())
2589 0 : CPLError(CE_Failure, CPLE_AppDefined,
2590 : "StartTransaction() not supported: datasource opened as "
2591 : "read-only");
2592 0 : return OGRERR_FAILURE;
2593 : }
2594 :
2595 24 : if (bInTransaction)
2596 : {
2597 2 : CPLError(CE_Failure, CPLE_AppDefined,
2598 : "StartTransaction() has already been called");
2599 2 : return OGRERR_FAILURE;
2600 : }
2601 :
2602 22 : bInTransaction = true;
2603 22 : osGlobalInsert = "";
2604 22 : nExpectedInserts = 0;
2605 22 : aosFIDList.resize(0);
2606 :
2607 22 : return OGRERR_NONE;
2608 : }
2609 :
2610 : /************************************************************************/
2611 : /* CommitTransaction() */
2612 : /************************************************************************/
2613 :
2614 20 : OGRErr OGRWFSLayer::CommitTransaction()
2615 : {
2616 20 : if (!TestCapability(OLCTransactions))
2617 : {
2618 0 : if (!poDS->SupportTransactions())
2619 0 : CPLError(CE_Failure, CPLE_AppDefined,
2620 : "CommitTransaction() not supported: no WMS-T features "
2621 : "advertized by server");
2622 0 : else if (!poDS->UpdateMode())
2623 0 : CPLError(CE_Failure, CPLE_AppDefined,
2624 : "CommitTransaction() not supported: datasource opened as "
2625 : "read-only");
2626 0 : return OGRERR_FAILURE;
2627 : }
2628 :
2629 20 : if (!bInTransaction)
2630 : {
2631 2 : CPLError(CE_Failure, CPLE_AppDefined,
2632 : "StartTransaction() has not yet been called");
2633 2 : return OGRERR_FAILURE;
2634 : }
2635 :
2636 18 : if (!osGlobalInsert.empty())
2637 : {
2638 16 : CPLString osPost = GetPostHeader();
2639 16 : osPost += " <wfs:Insert>\n";
2640 16 : osPost += osGlobalInsert;
2641 16 : osPost += " </wfs:Insert>\n";
2642 16 : osPost += "</wfs:Transaction>\n";
2643 :
2644 16 : bInTransaction = false;
2645 16 : osGlobalInsert = "";
2646 16 : int l_nExpectedInserts = nExpectedInserts;
2647 16 : nExpectedInserts = 0;
2648 :
2649 16 : CPLDebug("WFS", "Post : %s", osPost.c_str());
2650 :
2651 16 : char **papszOptions = nullptr;
2652 : papszOptions =
2653 16 : CSLAddNameValue(papszOptions, "POSTFIELDS", osPost.c_str());
2654 : papszOptions =
2655 16 : CSLAddNameValue(papszOptions, "HEADERS",
2656 : "Content-Type: application/xml; charset=UTF-8");
2657 :
2658 : CPLHTTPResult *psResult =
2659 16 : poDS->HTTPFetch(poDS->GetPostTransactionURL(), papszOptions);
2660 16 : CSLDestroy(papszOptions);
2661 :
2662 16 : if (psResult == nullptr)
2663 : {
2664 0 : return OGRERR_FAILURE;
2665 : }
2666 :
2667 16 : if (strstr((const char *)psResult->pabyData,
2668 14 : "<ServiceExceptionReport") != nullptr ||
2669 14 : strstr((const char *)psResult->pabyData, "<ows:ExceptionReport") !=
2670 : nullptr)
2671 : {
2672 2 : CPLError(CE_Failure, CPLE_AppDefined,
2673 : "Error returned by server : %s", psResult->pabyData);
2674 2 : CPLHTTPDestroyResult(psResult);
2675 2 : return OGRERR_FAILURE;
2676 : }
2677 :
2678 14 : CPLDebug("WFS", "Response: %s", psResult->pabyData);
2679 :
2680 14 : CPLXMLNode *psXML = CPLParseXMLString((const char *)psResult->pabyData);
2681 14 : if (psXML == nullptr)
2682 : {
2683 2 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid XML content : %s",
2684 : psResult->pabyData);
2685 2 : CPLHTTPDestroyResult(psResult);
2686 2 : return OGRERR_FAILURE;
2687 : }
2688 :
2689 12 : CPLStripXMLNamespace(psXML, nullptr, TRUE);
2690 12 : bool bUse100Schema = false;
2691 12 : CPLXMLNode *psRoot = CPLGetXMLNode(psXML, "=TransactionResponse");
2692 12 : if (psRoot == nullptr)
2693 : {
2694 2 : psRoot = CPLGetXMLNode(psXML, "=WFS_TransactionResponse");
2695 2 : if (psRoot)
2696 0 : bUse100Schema = true;
2697 : }
2698 :
2699 12 : if (psRoot == nullptr)
2700 : {
2701 2 : CPLError(CE_Failure, CPLE_AppDefined,
2702 : "Cannot find <TransactionResponse>");
2703 2 : CPLDestroyXMLNode(psXML);
2704 2 : CPLHTTPDestroyResult(psResult);
2705 2 : return OGRERR_FAILURE;
2706 : }
2707 :
2708 10 : if (bUse100Schema)
2709 : {
2710 0 : if (CPLGetXMLNode(psRoot, "TransactionResult.Status.FAILED"))
2711 : {
2712 0 : CPLError(CE_Failure, CPLE_AppDefined, "Insert failed : %s",
2713 : psResult->pabyData);
2714 0 : CPLDestroyXMLNode(psXML);
2715 0 : CPLHTTPDestroyResult(psResult);
2716 0 : return OGRERR_FAILURE;
2717 : }
2718 :
2719 : /* TODO */
2720 : }
2721 : else
2722 : {
2723 10 : int nGotInserted = atoi(
2724 : CPLGetXMLValue(psRoot, "TransactionSummary.totalInserted", ""));
2725 10 : if (nGotInserted != l_nExpectedInserts)
2726 : {
2727 2 : CPLError(
2728 : CE_Failure, CPLE_AppDefined,
2729 : "Only %d features were inserted whereas %d where expected",
2730 : nGotInserted, l_nExpectedInserts);
2731 2 : CPLDestroyXMLNode(psXML);
2732 2 : CPLHTTPDestroyResult(psResult);
2733 2 : return OGRERR_FAILURE;
2734 : }
2735 :
2736 : CPLXMLNode *psInsertResults =
2737 8 : CPLGetXMLNode(psRoot, "InsertResults");
2738 8 : if (psInsertResults == nullptr)
2739 : {
2740 2 : CPLError(CE_Failure, CPLE_AppDefined,
2741 : "Cannot find node InsertResults");
2742 2 : CPLDestroyXMLNode(psXML);
2743 2 : CPLHTTPDestroyResult(psResult);
2744 2 : return OGRERR_FAILURE;
2745 : }
2746 :
2747 6 : aosFIDList.resize(0);
2748 :
2749 6 : CPLXMLNode *psChild = psInsertResults->psChild;
2750 8 : while (psChild)
2751 : {
2752 : const char *pszFID =
2753 4 : CPLGetXMLValue(psChild, "FeatureId.fid", nullptr);
2754 4 : if (pszFID == nullptr)
2755 : {
2756 2 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find fid");
2757 2 : CPLDestroyXMLNode(psXML);
2758 2 : CPLHTTPDestroyResult(psResult);
2759 2 : return OGRERR_FAILURE;
2760 : }
2761 2 : aosFIDList.push_back(pszFID);
2762 :
2763 2 : psChild = psChild->psNext;
2764 : }
2765 :
2766 4 : if ((int)aosFIDList.size() != nGotInserted)
2767 : {
2768 2 : CPLError(CE_Failure, CPLE_AppDefined,
2769 : "Inconsistent InsertResults: did not get expected FID "
2770 : "count");
2771 2 : CPLDestroyXMLNode(psXML);
2772 2 : CPLHTTPDestroyResult(psResult);
2773 2 : return OGRERR_FAILURE;
2774 : }
2775 : }
2776 :
2777 2 : CPLDestroyXMLNode(psXML);
2778 2 : CPLHTTPDestroyResult(psResult);
2779 : }
2780 :
2781 4 : bInTransaction = false;
2782 4 : osGlobalInsert = "";
2783 4 : nExpectedInserts = 0;
2784 :
2785 4 : return OGRERR_NONE;
2786 : }
2787 :
2788 : /************************************************************************/
2789 : /* RollbackTransaction() */
2790 : /************************************************************************/
2791 :
2792 6 : OGRErr OGRWFSLayer::RollbackTransaction()
2793 : {
2794 6 : if (!TestCapability(OLCTransactions))
2795 : {
2796 0 : if (!poDS->SupportTransactions())
2797 0 : CPLError(CE_Failure, CPLE_AppDefined,
2798 : "RollbackTransaction() not supported: no WMS-T features "
2799 : "advertized by server");
2800 0 : else if (!poDS->UpdateMode())
2801 0 : CPLError(CE_Failure, CPLE_AppDefined,
2802 : "RollbackTransaction() not supported: datasource opened "
2803 : "as read-only");
2804 0 : return OGRERR_FAILURE;
2805 : }
2806 :
2807 6 : if (!bInTransaction)
2808 : {
2809 2 : CPLError(CE_Failure, CPLE_AppDefined,
2810 : "StartTransaction() has not yet been called");
2811 2 : return OGRERR_FAILURE;
2812 : }
2813 :
2814 4 : bInTransaction = false;
2815 4 : osGlobalInsert = "";
2816 4 : nExpectedInserts = 0;
2817 :
2818 4 : return OGRERR_NONE;
2819 : }
2820 :
2821 : /************************************************************************/
2822 : /* SetRequiredOutputFormat() */
2823 : /************************************************************************/
2824 :
2825 0 : void OGRWFSLayer::SetRequiredOutputFormat(const char *pszRequiredOutputFormatIn)
2826 : {
2827 0 : CPLFree(pszRequiredOutputFormat);
2828 0 : if (pszRequiredOutputFormatIn)
2829 : {
2830 0 : pszRequiredOutputFormat = CPLStrdup(pszRequiredOutputFormatIn);
2831 : }
2832 : else
2833 : {
2834 0 : pszRequiredOutputFormat = nullptr;
2835 : }
2836 0 : }
2837 :
2838 : /************************************************************************/
2839 : /* SetOrderBy() */
2840 : /************************************************************************/
2841 :
2842 0 : void OGRWFSLayer::SetOrderBy(const std::vector<OGRWFSSortDesc> &aoSortColumnsIn)
2843 : {
2844 0 : aoSortColumns = aoSortColumnsIn;
2845 0 : }
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