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 :
25 212 : OGRWFSLayer::OGRWFSLayer(OGRWFSDataSource *poDSIn, OGRSpatialReference *poSRSIn,
26 : int bAxisOrderAlreadyInvertedIn,
27 : const char *pszBaseURLIn, const char *pszNameIn,
28 212 : const char *pszNSIn, const char *pszNSValIn)
29 : : poDS(poDSIn), bAxisOrderAlreadyInverted(bAxisOrderAlreadyInvertedIn),
30 212 : m_poSRS(poSRSIn), pszBaseURL(CPLStrdup(pszBaseURLIn)),
31 424 : pszName(CPLStrdup(pszNameIn)),
32 212 : pszNS(pszNSIn ? CPLStrdup(pszNSIn) : nullptr),
33 212 : pszNSVal(pszNSValIn ? CPLStrdup(pszNSValIn) : nullptr),
34 : // If changing that, change in the GML driver too
35 848 : m_osTmpDir(VSIMemGenerateHiddenFilename("_ogr_wfs_"))
36 : {
37 212 : SetDescription(pszName);
38 212 : }
39 :
40 : /************************************************************************/
41 : /* Clone() */
42 : /************************************************************************/
43 :
44 0 : OGRWFSLayer *OGRWFSLayer::Clone()
45 : {
46 : OGRWFSLayer *poDupLayer =
47 0 : new OGRWFSLayer(poDS, m_poSRS, bAxisOrderAlreadyInverted, pszBaseURL,
48 0 : pszName, pszNS, pszNSVal);
49 0 : if (m_poSRS)
50 0 : m_poSRS->Reference();
51 0 : poDupLayer->poFeatureDefn = GetLayerDefn()->Clone();
52 0 : poDupLayer->poFeatureDefn->Reference();
53 0 : poDupLayer->bGotApproximateLayerDefn = bGotApproximateLayerDefn;
54 0 : poDupLayer->eGeomType = poDupLayer->poFeatureDefn->GetGeomType();
55 0 : poDupLayer->pszRequiredOutputFormat =
56 0 : pszRequiredOutputFormat ? CPLStrdup(pszRequiredOutputFormat) : nullptr;
57 :
58 : /* Copy existing schema file if already found */
59 0 : CPLString osSrcFileName = CPLSPrintf("%s/file.xsd", m_osTmpDir.c_str());
60 : CPLString osTargetFileName =
61 0 : CPLSPrintf("%s/file.xsd", poDupLayer->m_osTmpDir.c_str());
62 0 : CPL_IGNORE_RET_VAL(CPLCopyFile(osTargetFileName, osSrcFileName));
63 :
64 0 : return poDupLayer;
65 : }
66 :
67 : /************************************************************************/
68 : /* ~OGRWFSLayer() */
69 : /************************************************************************/
70 :
71 424 : OGRWFSLayer::~OGRWFSLayer()
72 :
73 : {
74 212 : if (bInTransaction)
75 0 : OGRWFSLayer::CommitTransaction();
76 :
77 212 : if (m_poSRS != nullptr)
78 194 : m_poSRS->Release();
79 :
80 212 : if (poFeatureDefn != nullptr)
81 166 : poFeatureDefn->Release();
82 212 : delete poGMLFeatureClass;
83 :
84 212 : CPLFree(pszBaseURL);
85 212 : CPLFree(pszName);
86 212 : CPLFree(pszNS);
87 212 : CPLFree(pszNSVal);
88 :
89 212 : GDALClose(poBaseDS);
90 :
91 212 : delete poFetchedFilterGeom;
92 :
93 212 : VSIRmdirRecursive(m_osTmpDir.c_str());
94 :
95 212 : CPLFree(pszRequiredOutputFormat);
96 424 : }
97 :
98 : /************************************************************************/
99 : /* SetActiveSRS() */
100 : /************************************************************************/
101 :
102 4 : OGRErr OGRWFSLayer::SetActiveSRS(int /*iGeomField*/,
103 : const OGRSpatialReference *poSRS)
104 : {
105 4 : if (poSRS == nullptr)
106 1 : return OGRERR_FAILURE;
107 3 : const char *const apszOptions[] = {
108 : "IGNORE_DATA_AXIS_TO_SRS_AXIS_MAPPING=YES", nullptr};
109 3 : size_t i = 0;
110 9 : for (const auto &poSupportedSRS : m_apoSupportedCRSList)
111 : {
112 8 : if (poSupportedSRS->IsSame(poSRS, apszOptions))
113 : {
114 2 : m_osSRSName = m_aosSupportedCRSList[i];
115 2 : if (m_poSRS)
116 2 : m_poSRS->Release();
117 2 : m_poSRS = poSRS->Clone();
118 2 : m_poSRS->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
119 2 : if (poFeatureDefn)
120 : {
121 2 : auto poGeomFieldDefn = poFeatureDefn->GetGeomFieldDefn(0);
122 2 : if (poGeomFieldDefn)
123 : {
124 2 : poGeomFieldDefn->SetSpatialRef(m_poSRS);
125 : }
126 : }
127 2 : m_oExtents = OGREnvelope();
128 2 : if (m_oWGS84Extents.IsInit())
129 : {
130 4 : OGRSpatialReference oWGS84;
131 2 : oWGS84.SetWellKnownGeogCS("WGS84");
132 2 : oWGS84.SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
133 : auto poCT = std::unique_ptr<OGRCoordinateTransformation>(
134 4 : OGRCreateCoordinateTransformation(&oWGS84, m_poSRS));
135 2 : if (poCT)
136 : {
137 2 : poCT->TransformBounds(
138 : m_oWGS84Extents.MinX, m_oWGS84Extents.MinY,
139 : m_oWGS84Extents.MaxX, m_oWGS84Extents.MaxY,
140 : &m_oExtents.MinX, &m_oExtents.MinY, &m_oExtents.MaxX,
141 2 : &m_oExtents.MaxY, 20);
142 : }
143 : }
144 2 : SetSpatialFilter(nullptr);
145 2 : ResetReading();
146 2 : return OGRERR_NONE;
147 : }
148 6 : ++i;
149 : }
150 1 : return OGRERR_FAILURE;
151 : }
152 :
153 : /************************************************************************/
154 : /* GetDescribeFeatureTypeURL() */
155 : /************************************************************************/
156 :
157 166 : CPLString OGRWFSLayer::GetDescribeFeatureTypeURL(CPL_UNUSED int bWithNS)
158 : {
159 166 : CPLString osURL(pszBaseURL);
160 166 : osURL = CPLURLAddKVP(osURL, "SERVICE", "WFS");
161 166 : osURL = CPLURLAddKVP(osURL, "VERSION", poDS->GetVersion());
162 166 : osURL = CPLURLAddKVP(osURL, "REQUEST", "DescribeFeatureType");
163 166 : osURL = CPLURLAddKVP(osURL, "TYPENAME", WFS_EscapeURL(pszName));
164 166 : osURL = CPLURLAddKVP(osURL, "PROPERTYNAME", nullptr);
165 166 : osURL = CPLURLAddKVP(osURL, "MAXFEATURES", nullptr);
166 166 : osURL = CPLURLAddKVP(osURL, "COUNT", nullptr);
167 166 : osURL = CPLURLAddKVP(osURL, "FILTER", nullptr);
168 332 : osURL = CPLURLAddKVP(osURL, "OUTPUTFORMAT",
169 166 : pszRequiredOutputFormat &&
170 0 : !EQUAL(pszRequiredOutputFormat, "json")
171 166 : ? WFS_EscapeURL(pszRequiredOutputFormat).c_str()
172 166 : : nullptr);
173 :
174 166 : if (pszNS && poDS->GetNeedNAMESPACE())
175 : {
176 : /* Older Deegree version require NAMESPACE (e.g.
177 : * http://www.nokis.org/deegree2/ogcwebservice) */
178 : /* This has been now corrected */
179 0 : CPLString osValue("xmlns(");
180 0 : osValue += pszNS;
181 0 : osValue += "=";
182 0 : osValue += pszNSVal;
183 0 : osValue += ")";
184 0 : osURL = CPLURLAddKVP(osURL, "NAMESPACE", WFS_EscapeURL(osValue));
185 : }
186 :
187 166 : return osURL;
188 : }
189 :
190 : /************************************************************************/
191 : /* DescribeFeatureType() */
192 : /************************************************************************/
193 :
194 104 : OGRFeatureDefn *OGRWFSLayer::DescribeFeatureType()
195 : {
196 208 : CPLString osURL = GetDescribeFeatureTypeURL(TRUE);
197 :
198 104 : CPLDebug("WFS", "%s", osURL.c_str());
199 :
200 104 : CPLHTTPResult *psResult = poDS->HTTPFetch(osURL, nullptr);
201 104 : if (psResult == nullptr)
202 : {
203 15 : return nullptr;
204 : }
205 :
206 89 : if (strstr(reinterpret_cast<const char *>(psResult->pabyData),
207 : "<ServiceExceptionReport") != nullptr)
208 : {
209 0 : if (poDS->IsOldDeegree(
210 0 : reinterpret_cast<const char *>(psResult->pabyData)))
211 : {
212 0 : CPLHTTPDestroyResult(psResult);
213 0 : return DescribeFeatureType();
214 : }
215 0 : CPLError(CE_Failure, CPLE_AppDefined, "Error returned by server : %s",
216 : psResult->pabyData);
217 0 : CPLHTTPDestroyResult(psResult);
218 0 : return nullptr;
219 : }
220 :
221 : CPLXMLNode *psXML =
222 89 : CPLParseXMLString(reinterpret_cast<const char *>(psResult->pabyData));
223 89 : if (psXML == nullptr)
224 : {
225 1 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid XML content : %s",
226 : psResult->pabyData);
227 1 : CPLHTTPDestroyResult(psResult);
228 1 : return nullptr;
229 : }
230 88 : CPLHTTPDestroyResult(psResult);
231 :
232 88 : const CPLXMLNode *psSchema = WFSFindNode(psXML, "schema");
233 88 : if (psSchema == nullptr)
234 : {
235 1 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find <Schema>");
236 1 : CPLDestroyXMLNode(psXML);
237 :
238 1 : return nullptr;
239 : }
240 :
241 87 : OGRFeatureDefn *poFDefn = ParseSchema(psSchema);
242 87 : if (poFDefn)
243 80 : poDS->SaveLayerSchema(pszName, psSchema);
244 :
245 87 : CPLDestroyXMLNode(psXML);
246 87 : return poFDefn;
247 : }
248 :
249 : /************************************************************************/
250 : /* ParseSchema() */
251 : /************************************************************************/
252 :
253 149 : OGRFeatureDefn *OGRWFSLayer::ParseSchema(const CPLXMLNode *psSchema)
254 : {
255 149 : osTargetNamespace = CPLGetXMLValue(psSchema, "targetNamespace", "");
256 :
257 298 : CPLString osTmpFileName;
258 :
259 149 : osTmpFileName = CPLSPrintf("%s/file.xsd", m_osTmpDir.c_str());
260 149 : CPLSerializeXMLTreeToFile(psSchema, osTmpFileName);
261 :
262 298 : std::vector<GMLFeatureClass *> aosClasses;
263 149 : bool bFullyUnderstood = false;
264 149 : bool bUseSchemaImports = false;
265 149 : bool bHaveSchema = GMLParseXSD(osTmpFileName, bUseSchemaImports, aosClasses,
266 : bFullyUnderstood);
267 :
268 149 : if (bHaveSchema && aosClasses.size() == 1)
269 : {
270 : // CPLDebug("WFS", "Creating %s for %s", osTmpFileName.c_str(),
271 : // GetName());
272 142 : return BuildLayerDefnFromFeatureClass(aosClasses[0]);
273 : }
274 7 : else if (bHaveSchema)
275 : {
276 : std::vector<GMLFeatureClass *>::const_iterator oIter =
277 0 : aosClasses.begin();
278 : std::vector<GMLFeatureClass *>::const_iterator oEndIter =
279 0 : aosClasses.end();
280 0 : while (oIter != oEndIter)
281 : {
282 0 : GMLFeatureClass *poClass = *oIter;
283 0 : ++oIter;
284 0 : delete poClass;
285 : }
286 : }
287 :
288 7 : VSIUnlink(osTmpFileName);
289 :
290 7 : return nullptr;
291 : }
292 :
293 : /************************************************************************/
294 : /* BuildLayerDefnFromFeatureClass() */
295 : /************************************************************************/
296 :
297 : OGRFeatureDefn *
298 142 : OGRWFSLayer::BuildLayerDefnFromFeatureClass(GMLFeatureClass *poClass)
299 : {
300 142 : poGMLFeatureClass = poClass;
301 :
302 142 : OGRFeatureDefn *poFDefn = new OGRFeatureDefn(pszName);
303 142 : poFDefn->SetGeomType(wkbNone);
304 142 : if (poGMLFeatureClass->GetGeometryPropertyCount() > 0)
305 : {
306 127 : poFDefn->SetGeomType(static_cast<OGRwkbGeometryType>(
307 127 : poGMLFeatureClass->GetGeometryProperty(0)->GetType()));
308 127 : poFDefn->GetGeomFieldDefn(0)->SetSpatialRef(m_poSRS);
309 : }
310 :
311 : /* -------------------------------------------------------------------- */
312 : /* Added attributes (properties). */
313 : /* -------------------------------------------------------------------- */
314 142 : if (poDS->ExposeGMLId())
315 : {
316 278 : OGRFieldDefn oField("gml_id", OFTString);
317 139 : oField.SetNullable(FALSE);
318 139 : poFDefn->AddFieldDefn(&oField);
319 : }
320 :
321 710 : for (int iField = 0; iField < poGMLFeatureClass->GetPropertyCount();
322 : iField++)
323 : {
324 568 : GMLPropertyDefn *poProperty = poGMLFeatureClass->GetProperty(iField);
325 568 : OGRFieldSubType eSubType = OFSTNone;
326 : const OGRFieldType eFType =
327 568 : GML_GetOGRFieldType(poProperty->GetType(), eSubType);
328 :
329 1136 : OGRFieldDefn oField(poProperty->GetName(), eFType);
330 568 : oField.SetSubType(eSubType);
331 568 : if (STARTS_WITH_CI(oField.GetNameRef(), "ogr:"))
332 0 : oField.SetName(poProperty->GetName() + 4);
333 568 : if (poProperty->GetWidth() > 0)
334 0 : oField.SetWidth(poProperty->GetWidth());
335 568 : if (poProperty->GetPrecision() > 0)
336 0 : oField.SetPrecision(poProperty->GetPrecision());
337 568 : if (!poDS->IsEmptyAsNull())
338 0 : oField.SetNullable(poProperty->IsNullable());
339 :
340 568 : poFDefn->AddFieldDefn(&oField);
341 : }
342 :
343 142 : if (poGMLFeatureClass->GetGeometryPropertyCount() > 0)
344 : {
345 : const char *pszGeometryColumnName =
346 127 : poGMLFeatureClass->GetGeometryProperty(0)->GetSrcElement();
347 127 : if (pszGeometryColumnName[0] != '\0')
348 : {
349 127 : osGeometryColumnName = pszGeometryColumnName;
350 127 : if (poFDefn->GetGeomFieldCount() > 0)
351 : {
352 254 : poFDefn->GetGeomFieldDefn(0)->SetNullable(
353 127 : poGMLFeatureClass->GetGeometryProperty(0)->IsNullable());
354 127 : poFDefn->GetGeomFieldDefn(0)->SetName(pszGeometryColumnName);
355 : }
356 : }
357 : }
358 :
359 142 : return poFDefn;
360 : }
361 :
362 : /************************************************************************/
363 : /* MakeGetFeatureURL() */
364 : /************************************************************************/
365 :
366 147 : CPLString OGRWFSLayer::MakeGetFeatureURL(int nRequestMaxFeatures,
367 : int bRequestHits)
368 : {
369 147 : CPLString osURL(pszBaseURL);
370 147 : osURL = CPLURLAddKVP(osURL, "SERVICE", "WFS");
371 147 : osURL = CPLURLAddKVP(osURL, "VERSION", poDS->GetVersion());
372 147 : osURL = CPLURLAddKVP(osURL, "REQUEST", "GetFeature");
373 147 : if (atoi(poDS->GetVersion()) >= 2)
374 36 : osURL = CPLURLAddKVP(osURL, "TYPENAMES", WFS_EscapeURL(pszName));
375 : else
376 111 : osURL = CPLURLAddKVP(osURL, "TYPENAME", WFS_EscapeURL(pszName));
377 147 : if (!m_osSRSName.empty())
378 : osURL =
379 1 : CPLURLAddKVP(osURL, "SRSNAME", WFS_EscapeURL(m_osSRSName.c_str()));
380 147 : if (pszRequiredOutputFormat)
381 0 : osURL = CPLURLAddKVP(osURL, "OUTPUTFORMAT",
382 0 : WFS_EscapeURL(pszRequiredOutputFormat));
383 :
384 147 : if (poDS->IsPagingAllowed() && !bRequestHits)
385 : {
386 20 : nRequestMaxFeatures = poDS->GetPageSize();
387 : /* If the feature count is known and is less than the page size, we don't
388 : * need to do paging. Skipping the pagination parameters improves compatibility
389 : * with remote datasources that don't have a primary key.
390 : * Without a primary key, the WFS server can't support paging, since there
391 : * is no natural sort order defined. */
392 20 : if (nFeatures < 0 ||
393 6 : (nRequestMaxFeatures && nFeatures > nRequestMaxFeatures))
394 : {
395 : osURL =
396 36 : CPLURLAddKVP(osURL, "STARTINDEX",
397 18 : CPLSPrintf("%d", nPagingStartIndex +
398 36 : poDS->GetBaseStartIndex()));
399 18 : bPagingActive = true;
400 : }
401 : }
402 :
403 147 : if (nRequestMaxFeatures)
404 : {
405 132 : osURL = CPLURLAddKVP(
406 44 : osURL, atoi(poDS->GetVersion()) >= 2 ? "COUNT" : "MAXFEATURES",
407 44 : CPLSPrintf("%d", nRequestMaxFeatures));
408 : }
409 147 : if (pszNS && poDS->GetNeedNAMESPACE())
410 : {
411 : /* Older Deegree version require NAMESPACE (e.g.
412 : * http://www.nokis.org/deegree2/ogcwebservice) */
413 : /* This has been now corrected */
414 0 : CPLString osValue("xmlns(");
415 0 : osValue += pszNS;
416 0 : osValue += "=";
417 0 : osValue += pszNSVal;
418 0 : osValue += ")";
419 0 : osURL = CPLURLAddKVP(osURL, "NAMESPACE", WFS_EscapeURL(osValue));
420 : }
421 :
422 147 : delete poFetchedFilterGeom;
423 147 : poFetchedFilterGeom = nullptr;
424 :
425 294 : CPLString osGeomFilter;
426 :
427 147 : if (m_poFilterGeom != nullptr && !osGeometryColumnName.empty())
428 : {
429 6 : OGREnvelope oEnvelope;
430 6 : m_poFilterGeom->getEnvelope(&oEnvelope);
431 :
432 6 : poFetchedFilterGeom = m_poFilterGeom->clone();
433 :
434 6 : osGeomFilter = "<BBOX>";
435 6 : if (atoi(poDS->GetVersion()) >= 2)
436 1 : osGeomFilter += "<ValueReference>";
437 : else
438 5 : osGeomFilter += "<PropertyName>";
439 6 : if (pszNS)
440 : {
441 0 : osGeomFilter += pszNS;
442 0 : osGeomFilter += ":";
443 : }
444 6 : osGeomFilter += osGeometryColumnName;
445 6 : if (atoi(poDS->GetVersion()) >= 2)
446 1 : osGeomFilter += "</ValueReference>";
447 : else
448 5 : osGeomFilter += "</PropertyName>";
449 :
450 6 : if (atoi(poDS->GetVersion()) >= 2)
451 : {
452 1 : osGeomFilter += "<gml:Envelope";
453 :
454 2 : CPLString osSRSName = CPLURLGetValue(pszBaseURL, "SRSNAME");
455 1 : if (!osSRSName.empty())
456 : {
457 0 : osGeomFilter += " srsName=\"";
458 0 : osGeomFilter += osSRSName;
459 0 : osGeomFilter += "\"";
460 : }
461 :
462 1 : osGeomFilter += ">";
463 1 : if (bAxisOrderAlreadyInverted)
464 : {
465 : osGeomFilter +=
466 : CPLSPrintf("<gml:lowerCorner>%.16f "
467 : "%.16f</gml:lowerCorner><gml:upperCorner>%.16f "
468 : "%.16f</gml:upperCorner>",
469 : oEnvelope.MinY, oEnvelope.MinX, oEnvelope.MaxY,
470 1 : oEnvelope.MaxX);
471 : }
472 : else
473 : osGeomFilter +=
474 : CPLSPrintf("<gml:lowerCorner>%.16f "
475 : "%.16f</gml:lowerCorner><gml:upperCorner>%.16f "
476 : "%.16f</gml:upperCorner>",
477 : oEnvelope.MinX, oEnvelope.MinY, oEnvelope.MaxX,
478 0 : oEnvelope.MaxY);
479 1 : osGeomFilter += "</gml:Envelope>";
480 : }
481 5 : else if (poDS->RequiresEnvelopeSpatialFilter())
482 : {
483 0 : osGeomFilter += "<Envelope xmlns=\"http://www.opengis.net/gml\">";
484 0 : if (bAxisOrderAlreadyInverted)
485 : {
486 : /* We can go here in WFS 1.1 with geographic coordinate systems
487 : */
488 : /* that are natively return in lat,long order, but as we have */
489 : /* presented long,lat order to the user, we must switch back */
490 : /* for the server... */
491 : osGeomFilter +=
492 : CPLSPrintf("<coord><X>%.16f</X><Y>%.16f</Y></"
493 : "coord><coord><X>%.16f</X><Y>%.16f</Y></coord>",
494 : oEnvelope.MinY, oEnvelope.MinX, oEnvelope.MaxY,
495 0 : oEnvelope.MaxX);
496 : }
497 : else
498 : osGeomFilter +=
499 : CPLSPrintf("<coord><X>%.16f</X><Y>%.16f</Y></"
500 : "coord><coord><X>%.16f</X><Y>%.16f</Y></coord>",
501 : oEnvelope.MinX, oEnvelope.MinY, oEnvelope.MaxX,
502 0 : oEnvelope.MaxY);
503 0 : osGeomFilter += "</Envelope>";
504 : }
505 : else
506 : {
507 5 : osGeomFilter += "<gml:Box>";
508 5 : osGeomFilter += "<gml:coordinates>";
509 5 : if (bAxisOrderAlreadyInverted)
510 : {
511 : /* We can go here in WFS 1.1 with geographic coordinate systems
512 : */
513 : /* that are natively return in lat,long order, but as we have */
514 : /* presented long,lat order to the user, we must switch back */
515 : /* for the server... */
516 : osGeomFilter +=
517 : CPLSPrintf("%.16f,%.16f %.16f,%.16f", oEnvelope.MinY,
518 5 : oEnvelope.MinX, oEnvelope.MaxY, oEnvelope.MaxX);
519 : }
520 : else
521 : osGeomFilter +=
522 : CPLSPrintf("%.16f,%.16f %.16f,%.16f", oEnvelope.MinX,
523 0 : oEnvelope.MinY, oEnvelope.MaxX, oEnvelope.MaxY);
524 5 : osGeomFilter += "</gml:coordinates>";
525 5 : osGeomFilter += "</gml:Box>";
526 : }
527 6 : osGeomFilter += "</BBOX>";
528 : }
529 :
530 147 : if (!osGeomFilter.empty() || !osWFSWhere.empty())
531 : {
532 34 : CPLString osFilter;
533 34 : if (atoi(poDS->GetVersion()) >= 2)
534 1 : osFilter = "<Filter xmlns=\"http://www.opengis.net/fes/2.0\"";
535 : else
536 33 : osFilter = "<Filter xmlns=\"http://www.opengis.net/ogc\"";
537 34 : if (pszNS)
538 : {
539 0 : osFilter += " xmlns:";
540 0 : osFilter += pszNS;
541 0 : osFilter += "=\"";
542 0 : osFilter += pszNSVal;
543 0 : osFilter += "\"";
544 : }
545 34 : if (atoi(poDS->GetVersion()) >= 2)
546 1 : osFilter += " xmlns:gml=\"http://www.opengis.net/gml/3.2\">";
547 : else
548 33 : osFilter += " xmlns:gml=\"http://www.opengis.net/gml\">";
549 34 : if (!osGeomFilter.empty() && !osWFSWhere.empty())
550 2 : osFilter += "<And>";
551 34 : osFilter += osWFSWhere;
552 34 : osFilter += osGeomFilter;
553 34 : if (!osGeomFilter.empty() && !osWFSWhere.empty())
554 2 : osFilter += "</And>";
555 34 : osFilter += "</Filter>";
556 :
557 34 : osURL = CPLURLAddKVP(osURL, "FILTER", WFS_EscapeURL(osFilter));
558 : }
559 :
560 147 : if (bRequestHits)
561 : {
562 9 : osURL = CPLURLAddKVP(osURL, "RESULTTYPE", "hits");
563 : }
564 138 : else if (!aoSortColumns.empty())
565 : {
566 0 : CPLString osSortBy;
567 0 : for (const auto &sColumn : aoSortColumns)
568 : {
569 0 : if (!osSortBy.empty())
570 0 : osSortBy += ',';
571 0 : osSortBy += sColumn.osColumn;
572 0 : if (!sColumn.bAsc)
573 : {
574 0 : if (atoi(poDS->GetVersion()) >= 2)
575 0 : osSortBy += " DESC";
576 : else
577 0 : osSortBy += " D";
578 : }
579 : }
580 0 : osURL = CPLURLAddKVP(osURL, "SORTBY", WFS_EscapeURL(osSortBy));
581 : }
582 :
583 : /* If no PROPERTYNAME is specified, build one if there are ignored fields */
584 294 : CPLString osPropertyName = CPLURLGetValue(osURL, "PROPERTYNAME");
585 147 : const char *pszPropertyName = osPropertyName.c_str();
586 147 : if (pszPropertyName[0] == 0 && poFeatureDefn != nullptr)
587 : {
588 138 : bool bHasIgnoredField = false;
589 138 : osPropertyName.clear();
590 910 : for (int iField = 0; iField < poFeatureDefn->GetFieldCount(); iField++)
591 : {
592 772 : if (EQUAL(poFeatureDefn->GetFieldDefn(iField)->GetNameRef(),
593 : "gml_id"))
594 : {
595 : /* fake field : skip it */
596 : }
597 663 : else if (poFeatureDefn->GetFieldDefn(iField)->IsIgnored())
598 : {
599 24 : bHasIgnoredField = true;
600 : }
601 : else
602 : {
603 639 : if (!osPropertyName.empty())
604 534 : osPropertyName += ",";
605 : osPropertyName +=
606 639 : poFeatureDefn->GetFieldDefn(iField)->GetNameRef();
607 : }
608 : }
609 138 : if (!osGeometryColumnName.empty())
610 : {
611 105 : if (poFeatureDefn->IsGeometryIgnored())
612 : {
613 0 : bHasIgnoredField = true;
614 : }
615 : else
616 : {
617 105 : if (!osPropertyName.empty())
618 103 : osPropertyName += ",";
619 105 : osPropertyName += osGeometryColumnName;
620 : }
621 : }
622 :
623 138 : if (bHasIgnoredField && !osPropertyName.empty())
624 : {
625 8 : osURL = CPLURLAddKVP(osURL, "PROPERTYNAME",
626 12 : WFS_EscapeURL(osPropertyName));
627 : }
628 : }
629 :
630 294 : return osURL;
631 : }
632 :
633 : /************************************************************************/
634 : /* OGRWFSFetchContentDispositionFilename() */
635 : /************************************************************************/
636 :
637 52 : static const char *OGRWFSFetchContentDispositionFilename(char **papszHeaders)
638 : {
639 : const char *pszContentDisposition =
640 52 : CSLFetchNameValue(papszHeaders, "Content-Disposition");
641 52 : if (pszContentDisposition &&
642 6 : STARTS_WITH(pszContentDisposition, "attachment; filename="))
643 : {
644 6 : return pszContentDisposition + strlen("attachment; filename=");
645 : }
646 46 : return nullptr;
647 : }
648 :
649 : /************************************************************************/
650 : /* MustRetryIfNonCompliantServer() */
651 : /************************************************************************/
652 :
653 64 : bool OGRWFSLayer::MustRetryIfNonCompliantServer(const char *pszServerAnswer)
654 : {
655 64 : bool bRetry = false;
656 :
657 : /* Deegree server does not support PropertyIsNotEqualTo */
658 : /* We have to turn it into <Not><PropertyIsEqualTo> */
659 77 : if (!osWFSWhere.empty() && poDS->PropertyIsNotEqualToSupported() &&
660 13 : strstr(pszServerAnswer,
661 : "Unknown comparison operation: 'PropertyIsNotEqualTo'") !=
662 : nullptr)
663 : {
664 0 : poDS->SetPropertyIsNotEqualToUnSupported();
665 0 : bRetry = true;
666 : }
667 :
668 : /* Deegree server requires the gml: prefix in GmlObjectId element, but ESRI
669 : */
670 : /* doesn't like it at all ! Other servers don't care... */
671 77 : if (!osWFSWhere.empty() && !poDS->DoesGmlObjectIdNeedGMLPrefix() &&
672 13 : strstr(pszServerAnswer,
673 : "<GmlObjectId> requires 'gml:id'-attribute!") != nullptr)
674 : {
675 0 : poDS->SetGmlObjectIdNeedsGMLPrefix();
676 0 : bRetry = true;
677 : }
678 :
679 : /* GeoServer can return the error 'Only FeatureIds are supported when
680 : * encoding id filters to SDE' */
681 77 : if (!osWFSWhere.empty() && !bUseFeatureIdAtLayerLevel &&
682 13 : strstr(pszServerAnswer, "Only FeatureIds are supported") != nullptr)
683 : {
684 0 : bUseFeatureIdAtLayerLevel = true;
685 0 : bRetry = true;
686 : }
687 :
688 64 : if (bRetry)
689 : {
690 0 : SetAttributeFilter(osSQLWhere);
691 0 : bHasFetched = true;
692 0 : bReloadNeeded = false;
693 : }
694 :
695 64 : return bRetry;
696 : }
697 :
698 : /************************************************************************/
699 : /* FetchGetFeature() */
700 : /************************************************************************/
701 :
702 122 : GDALDataset *OGRWFSLayer::FetchGetFeature(int nRequestMaxFeatures)
703 : {
704 :
705 244 : CPLString osURL = MakeGetFeatureURL(nRequestMaxFeatures, FALSE);
706 122 : CPLDebug("WFS", "%s", osURL.c_str());
707 :
708 122 : CPLHTTPResult *psResult = nullptr;
709 :
710 244 : CPLString osOutputFormat = CPLURLGetValue(osURL, "OUTPUTFORMAT");
711 :
712 84 : const auto ReadNumberMatched = [this](const char *pszData)
713 : {
714 76 : const char *pszNumberMatched = strstr(pszData, " numberMatched=\"");
715 76 : if (!pszNumberMatched)
716 69 : pszNumberMatched = strstr(pszData, "\n"
717 : "numberMatched=\"");
718 76 : if (pszNumberMatched)
719 : {
720 19 : pszNumberMatched += strlen(" numberMatched=\"");
721 19 : if (*pszNumberMatched >= '0' && *pszNumberMatched <= '9')
722 : {
723 2 : m_nNumberMatched = CPLAtoGIntBig(pszNumberMatched);
724 2 : CPLDebug("WFS", "numberMatched = " CPL_FRMT_GIB,
725 : m_nNumberMatched);
726 2 : if (!bCountFeaturesInGetNextFeature)
727 2 : nFeatures = m_nNumberMatched;
728 : }
729 : }
730 198 : };
731 :
732 122 : if (CPLTestBool(CPLGetConfigOption("OGR_WFS_USE_STREAMING", "YES")))
733 : {
734 71 : CPLString osStreamingName;
735 139 : if (STARTS_WITH(osURL, "/vsimem/") &&
736 68 : CPLTestBool(CPLGetConfigOption("CPL_CURL_ENABLE_VSIMEM", "FALSE")))
737 : {
738 68 : osStreamingName = osURL;
739 : }
740 : else
741 : {
742 3 : osStreamingName += "/vsicurl_streaming/";
743 3 : osStreamingName += osURL;
744 : }
745 :
746 : /* Try streaming when the output format is GML and that we have a .xsd
747 : */
748 : /* that we are able to understand */
749 71 : CPLString osXSDFileName = CPLSPrintf("%s/file.xsd", m_osTmpDir.c_str());
750 : VSIStatBufL sBuf;
751 71 : GDALDriver *poDriver = nullptr;
752 71 : if ((osOutputFormat.empty() ||
753 6 : osOutputFormat.ifind("GML") != std::string::npos) &&
754 110 : VSIStatL(osXSDFileName, &sBuf) == 0 &&
755 45 : (poDriver = GDALDriver::FromHandle(GDALGetDriverByName("GML"))) !=
756 142 : nullptr &&
757 44 : poDriver->pfnOpen)
758 : {
759 44 : bStreamingDS = true;
760 44 : CPLStringList aosOptions;
761 44 : aosOptions.SetNameValue("XSD", osXSDFileName.c_str());
762 : aosOptions.SetNameValue("EMPTY_AS_NULL",
763 44 : poDS->IsEmptyAsNull() ? "YES" : "NO");
764 44 : if (CPLGetConfigOption("GML_INVERT_AXIS_ORDER_IF_LAT_LONG",
765 44 : nullptr) == nullptr)
766 : {
767 : aosOptions.SetNameValue(
768 : "INVERT_AXIS_ORDER_IF_LAT_LONG",
769 44 : poDS->InvertAxisOrderIfLatLong() ? "YES" : "NO");
770 : }
771 44 : if (CPLGetConfigOption("GML_CONSIDER_EPSG_AS_URN", nullptr) ==
772 : nullptr)
773 : {
774 : aosOptions.SetNameValue("CONSIDER_EPSG_AS_URN",
775 44 : poDS->GetConsiderEPSGAsURN().c_str());
776 : }
777 44 : if (CPLGetConfigOption("GML_EXPOSE_GML_ID", nullptr) == nullptr)
778 : {
779 : aosOptions.SetNameValue("EXPOSE_GML_ID",
780 44 : poDS->ExposeGMLId() ? "YES" : "NO");
781 : // iGMLOOIdex ++;
782 : }
783 :
784 44 : GDALOpenInfo oOpenInfo(osStreamingName.c_str(), GA_ReadOnly);
785 44 : if (oOpenInfo.nHeaderBytes && m_nNumberMatched < 0)
786 : {
787 29 : const char *pszData =
788 : reinterpret_cast<const char *>(oOpenInfo.pabyHeader);
789 29 : ReadNumberMatched(pszData);
790 : }
791 44 : oOpenInfo.papszOpenOptions = aosOptions.List();
792 :
793 44 : auto poOutputDS = poDriver->Open(&oOpenInfo, true);
794 44 : if (poOutputDS)
795 : {
796 29 : return poOutputDS;
797 : }
798 : }
799 : /* Try streaming when the output format is FlatGeobuf */
800 27 : else if ((osOutputFormat.empty() ||
801 6 : osOutputFormat.ifind("flatgeobuf") != std::string::npos) &&
802 35 : VSIStatL(osXSDFileName, &sBuf) == 0 &&
803 2 : GDALGetDriverByName("FlatGeobuf") != nullptr)
804 : {
805 2 : bStreamingDS = true;
806 2 : const char *const apszAllowedDrivers[] = {"FlatGeobuf", nullptr};
807 :
808 : GDALDataset *poFlatGeobuf_DS =
809 2 : GDALDataset::Open(osStreamingName, GDAL_OF_VECTOR,
810 : apszAllowedDrivers, nullptr, nullptr);
811 2 : if (poFlatGeobuf_DS)
812 : {
813 1 : return poFlatGeobuf_DS;
814 : }
815 : }
816 : else
817 : {
818 25 : bStreamingDS = false;
819 : }
820 :
821 : {
822 : /* In case of failure, read directly the content to examine */
823 : /* it, if it is XML error content */
824 : char szBuffer[2048];
825 41 : int nRead = 0;
826 41 : VSILFILE *fp = VSIFOpenL(osStreamingName, "rb");
827 41 : if (fp)
828 : {
829 15 : nRead = static_cast<int>(
830 15 : VSIFReadL(szBuffer, 1, sizeof(szBuffer) - 1, fp));
831 15 : szBuffer[nRead] = '\0';
832 15 : VSIFCloseL(fp);
833 : }
834 :
835 41 : if (nRead != 0)
836 : {
837 15 : if (strstr(szBuffer, "<wfs:FeatureCollection") != nullptr)
838 : {
839 : poDriver =
840 8 : GDALDriver::FromHandle(GDALGetDriverByName("GML"));
841 8 : if (poDriver == nullptr)
842 : {
843 1 : CPLError(
844 : CE_Failure, CPLE_AppDefined,
845 : "Cannot read features as GML driver is missing");
846 2 : return nullptr;
847 : }
848 7 : else if (poDriver->pfnOpen == nullptr)
849 : {
850 0 : CPLError(CE_Failure, CPLE_AppDefined,
851 : "Cannot read features as GML driver has no "
852 : "read support");
853 0 : return nullptr;
854 : }
855 : }
856 :
857 14 : if (MustRetryIfNonCompliantServer(szBuffer))
858 0 : return FetchGetFeature(nRequestMaxFeatures);
859 :
860 14 : if (strstr(szBuffer, "<ServiceExceptionReport") != nullptr ||
861 13 : strstr(szBuffer, "<ows:ExceptionReport") != nullptr)
862 : {
863 1 : if (poDS->IsOldDeegree(szBuffer))
864 : {
865 0 : return FetchGetFeature(nRequestMaxFeatures);
866 : }
867 :
868 1 : CPLError(CE_Failure, CPLE_AppDefined,
869 : "Error returned by server : %s", szBuffer);
870 1 : return nullptr;
871 : }
872 : }
873 : }
874 : }
875 :
876 90 : bStreamingDS = false;
877 90 : psResult = poDS->HTTPFetch(osURL, nullptr);
878 90 : if (psResult == nullptr)
879 : {
880 40 : return nullptr;
881 : }
882 :
883 50 : const char *pszContentType = "";
884 50 : if (psResult->pszContentType)
885 6 : pszContentType = psResult->pszContentType;
886 :
887 50 : VSIMkdir(m_osTmpDir.c_str(), 0);
888 :
889 50 : GByte *pabyData = psResult->pabyData;
890 50 : int nDataLen = psResult->nDataLen;
891 50 : bool bIsMultiPart = false;
892 50 : const char *pszAttachmentFilename = nullptr;
893 :
894 56 : if (strstr(pszContentType, "multipart") &&
895 6 : CPLHTTPParseMultipartMime(psResult))
896 : {
897 6 : bIsMultiPart = true;
898 6 : VSIRmdirRecursive(m_osTmpDir.c_str());
899 6 : VSIMkdir(m_osTmpDir.c_str(), 0);
900 14 : for (int i = 0; i < psResult->nMimePartCount; i++)
901 : {
902 16 : CPLString osTmpFileName = m_osTmpDir + "/";
903 16 : pszAttachmentFilename = OGRWFSFetchContentDispositionFilename(
904 8 : psResult->pasMimePart[i].papszHeaders);
905 :
906 8 : if (pszAttachmentFilename)
907 6 : osTmpFileName += pszAttachmentFilename;
908 : else
909 2 : osTmpFileName += CPLSPrintf("file_%d", i);
910 :
911 : GByte *pData = static_cast<GByte *>(
912 8 : VSI_MALLOC_VERBOSE(psResult->pasMimePart[i].nDataLen));
913 8 : if (pData)
914 : {
915 8 : memcpy(pData, psResult->pasMimePart[i].pabyData,
916 8 : psResult->pasMimePart[i].nDataLen);
917 8 : VSILFILE *fp = VSIFileFromMemBuffer(
918 8 : osTmpFileName, pData, psResult->pasMimePart[i].nDataLen,
919 : TRUE);
920 8 : VSIFCloseL(fp);
921 : }
922 : }
923 : }
924 : else
925 : pszAttachmentFilename =
926 44 : OGRWFSFetchContentDispositionFilename(psResult->papszHeaders);
927 :
928 50 : bool bJSON = false;
929 50 : bool bCSV = false;
930 50 : bool bKML = false;
931 50 : bool bKMZ = false;
932 50 : bool bFlatGeobuf = false;
933 50 : bool bZIP = false;
934 50 : bool bGZIP = false;
935 :
936 50 : const char *pszOutputFormat = osOutputFormat.c_str();
937 :
938 100 : if (FindSubStringInsensitive(pszContentType, "json") ||
939 50 : FindSubStringInsensitive(pszOutputFormat, "json"))
940 : {
941 4 : bJSON = true;
942 : }
943 92 : else if (FindSubStringInsensitive(pszContentType, "csv") ||
944 46 : FindSubStringInsensitive(pszOutputFormat, "csv"))
945 : {
946 0 : bCSV = true;
947 : }
948 92 : else if (FindSubStringInsensitive(pszContentType, "kml") ||
949 46 : FindSubStringInsensitive(pszOutputFormat, "kml"))
950 : {
951 0 : bKML = true;
952 : }
953 92 : else if (FindSubStringInsensitive(pszContentType, "kmz") ||
954 46 : FindSubStringInsensitive(pszOutputFormat, "kmz"))
955 : {
956 0 : bKMZ = true;
957 : }
958 92 : else if (FindSubStringInsensitive(pszContentType, "flatgeobuf") ||
959 46 : FindSubStringInsensitive(pszOutputFormat, "flatgeobuf"))
960 : {
961 0 : bFlatGeobuf = true;
962 : }
963 46 : else if (strstr(pszContentType, "application/zip") != nullptr)
964 : {
965 0 : bZIP = true;
966 : }
967 46 : else if (strstr(pszContentType, "application/gzip") != nullptr)
968 : {
969 0 : bGZIP = true;
970 : }
971 :
972 50 : const char *pszData = reinterpret_cast<const char *>(pabyData);
973 50 : if (MustRetryIfNonCompliantServer(pszData))
974 : {
975 0 : CPLHTTPDestroyResult(psResult);
976 0 : return FetchGetFeature(nRequestMaxFeatures);
977 : }
978 :
979 50 : if (strstr(pszData, "<ServiceExceptionReport") != nullptr ||
980 49 : strstr(pszData, "<ows:ExceptionReport") != nullptr)
981 : {
982 1 : if (poDS->IsOldDeegree(pszData))
983 : {
984 0 : CPLHTTPDestroyResult(psResult);
985 0 : return FetchGetFeature(nRequestMaxFeatures);
986 : }
987 :
988 1 : CPLError(CE_Failure, CPLE_AppDefined, "Error returned by server : %s",
989 : pabyData);
990 1 : CPLHTTPDestroyResult(psResult);
991 1 : return nullptr;
992 : }
993 :
994 49 : if (m_nNumberMatched < 0)
995 47 : ReadNumberMatched(pszData);
996 :
997 98 : CPLString osTmpFileName;
998 :
999 49 : if (!bIsMultiPart)
1000 : {
1001 43 : if (bJSON)
1002 4 : osTmpFileName = m_osTmpDir + "/file.geojson";
1003 39 : else if (bZIP)
1004 0 : osTmpFileName = m_osTmpDir + "/file.zip";
1005 39 : else if (bCSV)
1006 0 : osTmpFileName = m_osTmpDir + "/file.csv";
1007 39 : else if (bKML)
1008 0 : osTmpFileName = m_osTmpDir + "/file.kml";
1009 39 : else if (bKMZ)
1010 0 : osTmpFileName = m_osTmpDir + "/file.kmz";
1011 39 : else if (bFlatGeobuf)
1012 0 : osTmpFileName = m_osTmpDir + "/file.fgb";
1013 : /* GML is a special case. It needs the .xsd file that has been saved */
1014 : /* as file.xsd, so we cannot used the attachment filename */
1015 39 : else if (pszAttachmentFilename &&
1016 39 : !EQUAL(CPLGetExtensionSafe(pszAttachmentFilename).c_str(),
1017 : "GML"))
1018 : {
1019 0 : osTmpFileName = m_osTmpDir + "/";
1020 0 : osTmpFileName += pszAttachmentFilename;
1021 : }
1022 : else
1023 : {
1024 39 : osTmpFileName = m_osTmpDir + "/file.gfs";
1025 39 : VSIUnlink(osTmpFileName);
1026 :
1027 39 : osTmpFileName = m_osTmpDir + "/file.gml";
1028 : }
1029 :
1030 : VSILFILE *fp =
1031 43 : VSIFileFromMemBuffer(osTmpFileName, pabyData, nDataLen, TRUE);
1032 43 : VSIFCloseL(fp);
1033 43 : psResult->pabyData = nullptr;
1034 :
1035 43 : if (bZIP)
1036 : {
1037 0 : osTmpFileName = "/vsizip/" + osTmpFileName;
1038 : }
1039 43 : else if (bGZIP)
1040 : {
1041 0 : osTmpFileName = "/vsigzip/" + osTmpFileName;
1042 : }
1043 : }
1044 : else
1045 : {
1046 6 : pabyData = nullptr;
1047 6 : nDataLen = 0;
1048 6 : osTmpFileName = m_osTmpDir;
1049 : }
1050 :
1051 49 : CPLHTTPDestroyResult(psResult);
1052 :
1053 49 : const char *const *papszOpenOptions = nullptr;
1054 49 : const char *apszGMLOpenOptions[4] = {nullptr, nullptr, nullptr, nullptr};
1055 49 : int iGMLOOIdex = 0;
1056 49 : if (CPLGetConfigOption("GML_INVERT_AXIS_ORDER_IF_LAT_LONG", nullptr) ==
1057 : nullptr)
1058 : {
1059 49 : apszGMLOpenOptions[iGMLOOIdex] =
1060 49 : CPLSPrintf("INVERT_AXIS_ORDER_IF_LAT_LONG=%s",
1061 49 : poDS->InvertAxisOrderIfLatLong() ? "YES" : "NO");
1062 49 : iGMLOOIdex++;
1063 : }
1064 49 : if (CPLGetConfigOption("GML_CONSIDER_EPSG_AS_URN", nullptr) == nullptr)
1065 : {
1066 49 : apszGMLOpenOptions[iGMLOOIdex] = CPLSPrintf(
1067 49 : "CONSIDER_EPSG_AS_URN=%s", poDS->GetConsiderEPSGAsURN().c_str());
1068 49 : iGMLOOIdex++;
1069 : }
1070 49 : if (CPLGetConfigOption("GML_EXPOSE_GML_ID", nullptr) == nullptr)
1071 : {
1072 49 : apszGMLOpenOptions[iGMLOOIdex] =
1073 49 : CPLSPrintf("EXPOSE_GML_ID=%s", poDS->ExposeGMLId() ? "YES" : "NO");
1074 : // iGMLOOIdex ++;
1075 : }
1076 :
1077 49 : GDALDriverH hDrv = GDALIdentifyDriver(osTmpFileName, nullptr);
1078 49 : if (hDrv != nullptr && hDrv == GDALGetDriverByName("GML"))
1079 37 : papszOpenOptions = apszGMLOpenOptions;
1080 :
1081 : auto poPageDS = std::unique_ptr<GDALDataset>(GDALDataset::Open(
1082 98 : osTmpFileName, GDAL_OF_VECTOR, nullptr, papszOpenOptions, nullptr));
1083 49 : if (poPageDS == nullptr && (bZIP || bIsMultiPart))
1084 : {
1085 4 : char **papszFileList = VSIReadDir(osTmpFileName);
1086 4 : for (int i = 0; papszFileList != nullptr && papszFileList[i] != nullptr;
1087 : i++)
1088 : {
1089 : const CPLString osFullFilename =
1090 4 : CPLFormFilenameSafe(osTmpFileName, papszFileList[i], nullptr);
1091 4 : hDrv = GDALIdentifyDriver(osFullFilename, nullptr);
1092 4 : if (hDrv != nullptr && hDrv == GDALGetDriverByName("GML"))
1093 0 : papszOpenOptions = apszGMLOpenOptions;
1094 4 : poPageDS.reset(GDALDataset::Open(osFullFilename, GDAL_OF_VECTOR,
1095 : nullptr, papszOpenOptions,
1096 : nullptr));
1097 4 : if (poPageDS != nullptr)
1098 4 : break;
1099 : }
1100 :
1101 4 : CSLDestroy(papszFileList);
1102 : }
1103 :
1104 49 : if (poPageDS == nullptr)
1105 : {
1106 2 : if (pabyData != nullptr && !bJSON && !bZIP &&
1107 2 : strstr(reinterpret_cast<const char *>(pabyData),
1108 2 : "<wfs:FeatureCollection") == nullptr &&
1109 2 : strstr(reinterpret_cast<const char *>(pabyData),
1110 : "<gml:FeatureCollection") == nullptr)
1111 : {
1112 2 : if (nDataLen > 1000)
1113 0 : pabyData[1000] = 0;
1114 2 : CPLError(CE_Failure, CPLE_AppDefined, "Error: cannot parse %s",
1115 : pabyData);
1116 : }
1117 2 : return nullptr;
1118 : }
1119 :
1120 47 : OGRLayer *poLayer = poPageDS->GetLayer(0);
1121 47 : if (poLayer == nullptr)
1122 : {
1123 0 : return nullptr;
1124 : }
1125 :
1126 47 : return poPageDS.release();
1127 : }
1128 :
1129 : /************************************************************************/
1130 : /* GetLayerDefn() */
1131 : /************************************************************************/
1132 :
1133 2047 : const OGRFeatureDefn *OGRWFSLayer::GetLayerDefn() const
1134 : {
1135 2047 : if (!poFeatureDefn)
1136 : {
1137 132 : const_cast<OGRWFSLayer *>(this)->BuildLayerDefn();
1138 : }
1139 2047 : return poFeatureDefn;
1140 : }
1141 :
1142 : /************************************************************************/
1143 : /* BuildLayerDefn() */
1144 : /************************************************************************/
1145 :
1146 132 : void OGRWFSLayer::BuildLayerDefn()
1147 : {
1148 132 : CPLAssert(!poFeatureDefn);
1149 :
1150 132 : if (poDS->GetLayerCount() > 1)
1151 : {
1152 53 : poDS->LoadMultipleLayerDefn(GetName(), pszNS, pszNSVal);
1153 : }
1154 :
1155 132 : if (!poFeatureDefn)
1156 104 : BuildLayerDefn(nullptr);
1157 132 : }
1158 :
1159 : /************************************************************************/
1160 : /* BuildLayerDefn() */
1161 : /************************************************************************/
1162 :
1163 166 : OGRFeatureDefn *OGRWFSLayer::BuildLayerDefn(OGRFeatureDefn *poSrcFDefn)
1164 : {
1165 166 : bool bUnsetWidthPrecision = false;
1166 :
1167 166 : poFeatureDefn = new OGRFeatureDefn(pszName);
1168 166 : poFeatureDefn->GetGeomFieldDefn(0)->SetSpatialRef(m_poSRS);
1169 166 : poFeatureDefn->Reference();
1170 :
1171 166 : GDALDataset *l_poDS = nullptr;
1172 :
1173 166 : if (poSrcFDefn == nullptr)
1174 104 : poSrcFDefn = DescribeFeatureType();
1175 166 : if (poSrcFDefn == nullptr)
1176 : {
1177 24 : l_poDS = FetchGetFeature(1);
1178 24 : if (l_poDS == nullptr)
1179 : {
1180 20 : return poFeatureDefn;
1181 : }
1182 4 : OGRLayer *l_poLayer = l_poDS->GetLayer(0);
1183 4 : if (l_poLayer == nullptr)
1184 : {
1185 0 : return poFeatureDefn;
1186 : }
1187 4 : poSrcFDefn = l_poLayer->GetLayerDefn();
1188 4 : osGeometryColumnName = l_poLayer->GetGeometryColumn();
1189 4 : bGotApproximateLayerDefn = true;
1190 : /* We cannot trust width and precision based on a single feature */
1191 4 : bUnsetWidthPrecision = true;
1192 : }
1193 :
1194 : const CPLStringList aosPropertyName(CSLTokenizeString2(
1195 146 : CPLURLGetValue(pszBaseURL, "PROPERTYNAME"), "(,)", 0));
1196 :
1197 146 : poFeatureDefn->SetGeomType(poSrcFDefn->GetGeomType());
1198 146 : if (poSrcFDefn->GetGeomFieldCount() > 0)
1199 262 : poFeatureDefn->GetGeomFieldDefn(0)->SetName(
1200 131 : poSrcFDefn->GetGeomFieldDefn(0)->GetNameRef());
1201 873 : for (int i = 0; i < poSrcFDefn->GetFieldCount(); i++)
1202 : {
1203 727 : if (!aosPropertyName.empty())
1204 : {
1205 0 : if (aosPropertyName.FindString(
1206 0 : poSrcFDefn->GetFieldDefn(i)->GetNameRef()) >= 0)
1207 0 : poFeatureDefn->AddFieldDefn(poSrcFDefn->GetFieldDefn(i));
1208 : else
1209 0 : bGotApproximateLayerDefn = true;
1210 : }
1211 : else
1212 : {
1213 1454 : OGRFieldDefn oFieldDefn(poSrcFDefn->GetFieldDefn(i));
1214 727 : if (bUnsetWidthPrecision)
1215 : {
1216 20 : oFieldDefn.SetWidth(0);
1217 20 : oFieldDefn.SetPrecision(0);
1218 : }
1219 727 : poFeatureDefn->AddFieldDefn(&oFieldDefn);
1220 : }
1221 : }
1222 :
1223 146 : if (l_poDS)
1224 4 : GDALClose(l_poDS);
1225 : else
1226 142 : delete poSrcFDefn;
1227 :
1228 146 : return poFeatureDefn;
1229 : }
1230 :
1231 : /************************************************************************/
1232 : /* ResetReading() */
1233 : /************************************************************************/
1234 :
1235 202 : void OGRWFSLayer::ResetReading()
1236 :
1237 : {
1238 202 : if (poFeatureDefn == nullptr)
1239 7 : return;
1240 195 : if (bPagingActive)
1241 0 : bReloadNeeded = true;
1242 195 : nPagingStartIndex = 0;
1243 195 : nFeatureRead = 0;
1244 195 : m_nNumberMatched = -1;
1245 195 : m_bHasReadAtLeastOneFeatureInThisPage = false;
1246 195 : if (bReloadNeeded)
1247 : {
1248 42 : GDALClose(poBaseDS);
1249 42 : poBaseDS = nullptr;
1250 42 : poBaseLayer = nullptr;
1251 42 : bHasFetched = false;
1252 42 : bReloadNeeded = false;
1253 : }
1254 195 : if (poBaseLayer)
1255 52 : poBaseLayer->ResetReading();
1256 : }
1257 :
1258 : /************************************************************************/
1259 : /* SetIgnoredFields() */
1260 : /************************************************************************/
1261 :
1262 16 : OGRErr OGRWFSLayer::SetIgnoredFields(CSLConstList papszFields)
1263 : {
1264 16 : bReloadNeeded = true;
1265 16 : ResetReading();
1266 16 : return OGRLayer::SetIgnoredFields(papszFields);
1267 : }
1268 :
1269 : /************************************************************************/
1270 : /* GetNextFeature() */
1271 : /************************************************************************/
1272 :
1273 128 : OGRFeature *OGRWFSLayer::GetNextFeature()
1274 : {
1275 128 : GetLayerDefn();
1276 :
1277 : while (true)
1278 : {
1279 141 : if (bReloadNeeded)
1280 : {
1281 40 : m_bHasReadAtLeastOneFeatureInThisPage = false;
1282 40 : GDALClose(poBaseDS);
1283 40 : poBaseDS = nullptr;
1284 40 : poBaseLayer = nullptr;
1285 40 : bHasFetched = false;
1286 40 : bReloadNeeded = false;
1287 : }
1288 141 : if (poBaseDS == nullptr && !bHasFetched)
1289 : {
1290 98 : bHasFetched = true;
1291 98 : poBaseDS = FetchGetFeature(0);
1292 98 : poBaseLayer = nullptr;
1293 98 : if (poBaseDS)
1294 : {
1295 73 : poBaseLayer = poBaseDS->GetLayer(0);
1296 73 : if (poBaseLayer == nullptr)
1297 0 : return nullptr;
1298 73 : poBaseLayer->ResetReading();
1299 :
1300 : /* Check that the layer field definition is consistent with the
1301 : * one */
1302 : /* we got in BuildLayerDefn() */
1303 73 : if (poFeatureDefn->GetFieldCount() !=
1304 73 : poBaseLayer->GetLayerDefn()->GetFieldCount())
1305 6 : bGotApproximateLayerDefn = true;
1306 : else
1307 : {
1308 505 : for (int iField = 0;
1309 505 : iField < poFeatureDefn->GetFieldCount(); iField++)
1310 : {
1311 : OGRFieldDefn *poFDefn1 =
1312 444 : poFeatureDefn->GetFieldDefn(iField);
1313 : OGRFieldDefn *poFDefn2 =
1314 444 : poBaseLayer->GetLayerDefn()->GetFieldDefn(iField);
1315 444 : if (strcmp(poFDefn1->GetNameRef(),
1316 882 : poFDefn2->GetNameRef()) != 0 ||
1317 438 : poFDefn1->GetType() != poFDefn2->GetType())
1318 : {
1319 6 : bGotApproximateLayerDefn = true;
1320 6 : break;
1321 : }
1322 : }
1323 : }
1324 : }
1325 : }
1326 141 : if (poBaseDS == nullptr || poBaseLayer == nullptr)
1327 38 : return nullptr;
1328 :
1329 103 : OGRFeature *poSrcFeature = poBaseLayer->GetNextFeature();
1330 103 : if (poSrcFeature == nullptr)
1331 : {
1332 24 : if (bPagingActive && m_bHasReadAtLeastOneFeatureInThisPage &&
1333 14 : (m_nNumberMatched < 0 || nFeatureRead < m_nNumberMatched))
1334 : {
1335 12 : bReloadNeeded = true;
1336 12 : nPagingStartIndex = nFeatureRead;
1337 12 : continue;
1338 : }
1339 12 : return nullptr;
1340 : }
1341 79 : nFeatureRead++;
1342 79 : m_bHasReadAtLeastOneFeatureInThisPage = true;
1343 79 : if (bCountFeaturesInGetNextFeature)
1344 2 : nFeatures++;
1345 :
1346 79 : OGRGeometry *poGeom = poSrcFeature->GetGeometryRef();
1347 86 : if (m_poFilterGeom != nullptr && poGeom != nullptr &&
1348 7 : !FilterGeometry(poGeom))
1349 : {
1350 0 : delete poSrcFeature;
1351 0 : continue;
1352 : }
1353 :
1354 : /* Client-side attribute filtering with underlying layer defn */
1355 : /* identical to exposed layer defn. */
1356 64 : if (!bGotApproximateLayerDefn && osWFSWhere.empty() &&
1357 143 : m_poAttrQuery != nullptr && !m_poAttrQuery->Evaluate(poSrcFeature))
1358 : {
1359 0 : delete poSrcFeature;
1360 0 : continue;
1361 : }
1362 :
1363 79 : OGRFeature *poNewFeature = new OGRFeature(poFeatureDefn);
1364 79 : if (bGotApproximateLayerDefn)
1365 : {
1366 15 : poNewFeature->SetFrom(poSrcFeature);
1367 15 : poNewFeature->SetFID(poSrcFeature->GetFID());
1368 :
1369 : /* Client-side attribute filtering. */
1370 17 : if (m_poAttrQuery != nullptr && osWFSWhere.empty() &&
1371 2 : !m_poAttrQuery->Evaluate(poNewFeature))
1372 : {
1373 1 : delete poSrcFeature;
1374 1 : delete poNewFeature;
1375 1 : continue;
1376 : }
1377 : }
1378 : else
1379 : {
1380 64 : poNewFeature->SetFID(poSrcFeature->GetFID());
1381 524 : for (int iField = 0; iField < poFeatureDefn->GetFieldCount();
1382 : iField++)
1383 : {
1384 460 : poNewFeature->SetField(iField,
1385 460 : poSrcFeature->GetRawFieldRef(iField));
1386 : }
1387 64 : poNewFeature->SetStyleString(poSrcFeature->GetStyleString());
1388 64 : poNewFeature->SetGeometryDirectly(poSrcFeature->StealGeometry());
1389 : }
1390 78 : poGeom = poNewFeature->GetGeometryRef();
1391 :
1392 : /* FIXME? I don't really know what we should do with WFS 1.1.0 */
1393 : /* and non-GML format !!! I guess 50% WFS servers must do it wrong
1394 : * anyway */
1395 : /* GeoServer does currently axis inversion for non GML output, but */
1396 : /* apparently this is not correct :
1397 : * http://jira.codehaus.org/browse/GEOS-3657 */
1398 120 : if (poGeom != nullptr && bAxisOrderAlreadyInverted &&
1399 42 : strcmp(poBaseDS->GetDriverName(), "GML") != 0)
1400 : {
1401 9 : poGeom->swapXY();
1402 : }
1403 :
1404 78 : if (poGeom && m_poSRS)
1405 44 : poGeom->assignSpatialReference(m_poSRS);
1406 78 : delete poSrcFeature;
1407 78 : return poNewFeature;
1408 13 : }
1409 : }
1410 :
1411 : /************************************************************************/
1412 : /* ISetSpatialFilter() */
1413 : /************************************************************************/
1414 :
1415 30 : OGRErr OGRWFSLayer::ISetSpatialFilter(int iGeomField, const OGRGeometry *poGeom)
1416 : {
1417 30 : if (bStreamingDS)
1418 : {
1419 7 : bReloadNeeded = true;
1420 : }
1421 23 : else if (poFetchedFilterGeom == nullptr && poBaseDS != nullptr)
1422 : {
1423 : /* If there was no filter set, and that we set one */
1424 : /* the new result set can only be a subset of the whole */
1425 : /* so no need to reload from source */
1426 5 : bReloadNeeded = false;
1427 : }
1428 18 : else if (poFetchedFilterGeom != nullptr && poGeom != nullptr &&
1429 2 : poBaseDS != nullptr)
1430 : {
1431 1 : OGREnvelope oOldEnvelope, oNewEnvelope;
1432 1 : poFetchedFilterGeom->getEnvelope(&oOldEnvelope);
1433 1 : poGeom->getEnvelope(&oNewEnvelope);
1434 : /* Optimization : we don't need to request the server */
1435 : /* if the new BBOX is inside the old BBOX as we have */
1436 : /* already all the features */
1437 1 : bReloadNeeded = !oOldEnvelope.Contains(oNewEnvelope);
1438 : }
1439 : else
1440 : {
1441 17 : bReloadNeeded = true;
1442 : }
1443 30 : nFeatures = -1;
1444 30 : const OGRErr eErr = OGRLayer::ISetSpatialFilter(iGeomField, poGeom);
1445 30 : ResetReading();
1446 30 : return eErr;
1447 : }
1448 :
1449 : /************************************************************************/
1450 : /* SetAttributeFilter() */
1451 : /************************************************************************/
1452 :
1453 92 : OGRErr OGRWFSLayer::SetAttributeFilter(const char *pszFilter)
1454 : {
1455 92 : if (pszFilter != nullptr && pszFilter[0] == 0)
1456 8 : pszFilter = nullptr;
1457 :
1458 184 : CPLString osOldWFSWhere(osWFSWhere);
1459 :
1460 92 : CPLFree(m_pszAttrQueryString);
1461 92 : m_pszAttrQueryString = (pszFilter) ? CPLStrdup(pszFilter) : nullptr;
1462 :
1463 92 : delete m_poAttrQuery;
1464 92 : m_poAttrQuery = nullptr;
1465 :
1466 92 : if (pszFilter != nullptr)
1467 : {
1468 60 : m_poAttrQuery = new OGRFeatureQuery();
1469 :
1470 60 : OGRErr eErr = m_poAttrQuery->Compile(GetLayerDefn(), pszFilter, TRUE,
1471 : WFSGetCustomFuncRegistrar());
1472 60 : if (eErr != OGRERR_NONE)
1473 : {
1474 28 : delete m_poAttrQuery;
1475 28 : m_poAttrQuery = nullptr;
1476 28 : return eErr;
1477 : }
1478 : }
1479 :
1480 64 : if (poDS->HasMinOperators() && m_poAttrQuery != nullptr)
1481 : {
1482 : swq_expr_node *poNode =
1483 30 : static_cast<swq_expr_node *>(m_poAttrQuery->GetSWQExpr());
1484 30 : poNode->ReplaceBetweenByGEAndLERecurse();
1485 30 : poNode->ReplaceInByOrRecurse();
1486 :
1487 30 : int bNeedsNullCheck = FALSE;
1488 60 : int nVersion = (strcmp(poDS->GetVersion(), "1.0.0") == 0) ? 100
1489 30 : : (atoi(poDS->GetVersion()) >= 2) ? 200
1490 30 : : 110;
1491 30 : if (poNode->field_type != SWQ_BOOLEAN)
1492 0 : osWFSWhere = "";
1493 : else
1494 60 : osWFSWhere = WFS_TurnSQLFilterToOGCFilter(
1495 : poNode, nullptr, GetLayerDefn(), nVersion,
1496 30 : poDS->PropertyIsNotEqualToSupported(),
1497 30 : poDS->UseFeatureId() || bUseFeatureIdAtLayerLevel,
1498 60 : poDS->DoesGmlObjectIdNeedGMLPrefix(), "", &bNeedsNullCheck);
1499 30 : if (bNeedsNullCheck && !poDS->HasNullCheck())
1500 0 : osWFSWhere = "";
1501 : }
1502 : else
1503 34 : osWFSWhere = "";
1504 :
1505 64 : if (m_poAttrQuery != nullptr && osWFSWhere.empty())
1506 : {
1507 2 : CPLDebug("WFS", "Using client-side only mode for filter \"%s\"",
1508 : pszFilter);
1509 2 : OGRErr eErr = OGRLayer::SetAttributeFilter(pszFilter);
1510 2 : if (eErr != OGRERR_NONE)
1511 0 : return eErr;
1512 : }
1513 64 : ResetReading();
1514 :
1515 64 : osSQLWhere = (pszFilter) ? pszFilter : "";
1516 :
1517 64 : if (osWFSWhere != osOldWFSWhere)
1518 46 : bReloadNeeded = true;
1519 : else
1520 18 : bReloadNeeded = false;
1521 64 : nFeatures = -1;
1522 :
1523 64 : return OGRERR_NONE;
1524 : }
1525 :
1526 : /************************************************************************/
1527 : /* TestCapability() */
1528 : /************************************************************************/
1529 :
1530 146 : int OGRWFSLayer::TestCapability(const char *pszCap) const
1531 :
1532 : {
1533 146 : if (EQUAL(pszCap, OLCFastFeatureCount))
1534 : {
1535 1 : if (nFeatures >= 0)
1536 0 : return TRUE;
1537 :
1538 1 : return poBaseLayer != nullptr && m_poFilterGeom == nullptr &&
1539 1 : m_poAttrQuery == nullptr &&
1540 2 : poBaseLayer->TestCapability(pszCap) &&
1541 0 : (!poDS->IsPagingAllowed() &&
1542 1 : poBaseLayer->GetFeatureCount() < poDS->GetPageSize());
1543 : }
1544 :
1545 145 : else if (EQUAL(pszCap, OLCFastGetExtent))
1546 : {
1547 7 : if (m_oExtents.IsInit())
1548 0 : return TRUE;
1549 :
1550 7 : return poBaseLayer != nullptr && poBaseLayer->TestCapability(pszCap);
1551 : }
1552 :
1553 138 : else if (EQUAL(pszCap, OLCStringsAsUTF8))
1554 2 : return poBaseLayer != nullptr && poBaseLayer->TestCapability(pszCap);
1555 :
1556 136 : else if (EQUAL(pszCap, OLCSequentialWrite) ||
1557 98 : EQUAL(pszCap, OLCDeleteFeature) || EQUAL(pszCap, OLCRandomWrite))
1558 : {
1559 78 : GetLayerDefn();
1560 156 : return poDS->SupportTransactions() && poDS->UpdateMode() &&
1561 156 : poFeatureDefn->GetFieldIndex("gml_id") == 0;
1562 : }
1563 58 : else if (EQUAL(pszCap, OLCTransactions))
1564 : {
1565 50 : return poDS->SupportTransactions() && poDS->UpdateMode();
1566 : }
1567 8 : else if (EQUAL(pszCap, OLCIgnoreFields))
1568 : {
1569 0 : return TRUE;
1570 : }
1571 :
1572 8 : return FALSE;
1573 : }
1574 :
1575 : /************************************************************************/
1576 : /* ExecuteGetFeatureResultTypeHits() */
1577 : /************************************************************************/
1578 :
1579 9 : GIntBig OGRWFSLayer::ExecuteGetFeatureResultTypeHits()
1580 : {
1581 9 : char *pabyData = nullptr;
1582 18 : CPLString osURL = MakeGetFeatureURL(0, TRUE);
1583 9 : if (pszRequiredOutputFormat)
1584 0 : osURL = CPLURLAddKVP(osURL, "OUTPUTFORMAT",
1585 0 : WFS_EscapeURL(pszRequiredOutputFormat));
1586 9 : CPLDebug("WFS", "%s", osURL.c_str());
1587 :
1588 9 : CPLHTTPResult *psResult = poDS->HTTPFetch(osURL, nullptr);
1589 9 : if (psResult == nullptr)
1590 : {
1591 1 : return -1;
1592 : }
1593 :
1594 : /* http://demo.snowflakesoftware.com:8080/Obstacle_AIXM_ZIP/GOPublisherWFS
1595 : * returns */
1596 : /* zip content, including for RESULTTYPE=hits */
1597 8 : if (psResult->pszContentType != nullptr &&
1598 0 : strstr(psResult->pszContentType, "application/zip") != nullptr)
1599 : {
1600 : const CPLString osTmpFileName(
1601 0 : VSIMemGenerateHiddenFilename("wfstemphits.zip"));
1602 0 : VSILFILE *fp = VSIFileFromMemBuffer(osTmpFileName, psResult->pabyData,
1603 0 : psResult->nDataLen, FALSE);
1604 0 : VSIFCloseL(fp);
1605 :
1606 0 : CPLString osZipTmpFileName("/vsizip/" + osTmpFileName);
1607 :
1608 0 : char **papszDirContent = VSIReadDir(osZipTmpFileName);
1609 0 : if (CSLCount(papszDirContent) != 1)
1610 : {
1611 0 : CPLError(CE_Failure, CPLE_AppDefined,
1612 : "Cannot parse result of RESULTTYPE=hits request : more "
1613 : "than one file in zip");
1614 0 : CSLDestroy(papszDirContent);
1615 0 : CPLHTTPDestroyResult(psResult);
1616 0 : VSIUnlink(osTmpFileName);
1617 0 : return -1;
1618 : }
1619 :
1620 0 : CPLString osFileInZipTmpFileName = osZipTmpFileName + "/";
1621 0 : osFileInZipTmpFileName += papszDirContent[0];
1622 :
1623 0 : fp = VSIFOpenL(osFileInZipTmpFileName.c_str(), "rb");
1624 : VSIStatBufL sBuf;
1625 0 : if (fp == nullptr ||
1626 0 : VSIStatL(osFileInZipTmpFileName.c_str(), &sBuf) != 0)
1627 : {
1628 0 : CPLError(CE_Failure, CPLE_AppDefined,
1629 : "Cannot parse result of RESULTTYPE=hits request : cannot "
1630 : "open one file in zip");
1631 0 : CSLDestroy(papszDirContent);
1632 0 : CPLHTTPDestroyResult(psResult);
1633 0 : VSIUnlink(osTmpFileName);
1634 0 : if (fp)
1635 0 : VSIFCloseL(fp);
1636 0 : return -1;
1637 : }
1638 : pabyData = static_cast<char *>(
1639 0 : CPLMalloc(static_cast<size_t>(sBuf.st_size + 1)));
1640 0 : pabyData[sBuf.st_size] = 0;
1641 0 : VSIFReadL(pabyData, 1, static_cast<size_t>(sBuf.st_size), fp);
1642 0 : VSIFCloseL(fp);
1643 :
1644 0 : CSLDestroy(papszDirContent);
1645 0 : VSIUnlink(osTmpFileName);
1646 : }
1647 : else
1648 : {
1649 8 : pabyData = reinterpret_cast<char *>(psResult->pabyData);
1650 8 : psResult->pabyData = nullptr;
1651 : }
1652 :
1653 8 : if (strstr(pabyData, "<ServiceExceptionReport") != nullptr ||
1654 7 : strstr(pabyData, "<ows:ExceptionReport") != nullptr)
1655 : {
1656 1 : if (poDS->IsOldDeegree(pabyData))
1657 : {
1658 0 : CPLHTTPDestroyResult(psResult);
1659 0 : return ExecuteGetFeatureResultTypeHits();
1660 : }
1661 1 : CPLError(CE_Failure, CPLE_AppDefined, "Error returned by server : %s",
1662 : pabyData);
1663 1 : CPLHTTPDestroyResult(psResult);
1664 1 : CPLFree(pabyData);
1665 1 : return -1;
1666 : }
1667 :
1668 7 : CPLXMLNode *psXML = CPLParseXMLString(pabyData);
1669 7 : if (psXML == nullptr)
1670 : {
1671 2 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid XML content : %s",
1672 : pabyData);
1673 2 : CPLHTTPDestroyResult(psResult);
1674 2 : CPLFree(pabyData);
1675 2 : return -1;
1676 : }
1677 :
1678 5 : CPLStripXMLNamespace(psXML, nullptr, TRUE);
1679 5 : CPLXMLNode *psRoot = CPLGetXMLNode(psXML, "=FeatureCollection");
1680 5 : if (psRoot == nullptr)
1681 : {
1682 1 : CPLError(CE_Failure, CPLE_AppDefined,
1683 : "Cannot find <FeatureCollection>");
1684 1 : CPLDestroyXMLNode(psXML);
1685 1 : CPLHTTPDestroyResult(psResult);
1686 1 : CPLFree(pabyData);
1687 1 : return -1;
1688 : }
1689 :
1690 4 : const char *pszValue = CPLGetXMLValue(psRoot, "numberOfFeatures", nullptr);
1691 4 : if (pszValue == nullptr)
1692 : pszValue =
1693 3 : CPLGetXMLValue(psRoot, "numberMatched", nullptr); /* WFS 2.0.0 */
1694 4 : if (pszValue == nullptr)
1695 : {
1696 1 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find numberOfFeatures");
1697 1 : CPLDestroyXMLNode(psXML);
1698 1 : CPLHTTPDestroyResult(psResult);
1699 1 : CPLFree(pabyData);
1700 :
1701 1 : poDS->DisableSupportHits();
1702 1 : return -1;
1703 : }
1704 :
1705 3 : GIntBig l_nFeatures = CPLAtoGIntBig(pszValue);
1706 : /* Hum,
1707 : * 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
1708 : */
1709 : /* returns more than MAXFEATURES features... So truncate to MAXFEATURES */
1710 : CPLString osMaxFeatures = CPLURLGetValue(
1711 3 : osURL, atoi(poDS->GetVersion()) >= 2 ? "COUNT" : "MAXFEATURES");
1712 3 : if (!osMaxFeatures.empty())
1713 : {
1714 0 : GIntBig nMaxFeatures = CPLAtoGIntBig(osMaxFeatures);
1715 0 : if (l_nFeatures > nMaxFeatures)
1716 : {
1717 0 : CPLDebug("WFS",
1718 : "Truncating result from " CPL_FRMT_GIB " to " CPL_FRMT_GIB,
1719 : l_nFeatures, nMaxFeatures);
1720 0 : l_nFeatures = nMaxFeatures;
1721 : }
1722 : }
1723 :
1724 3 : CPLDestroyXMLNode(psXML);
1725 3 : CPLHTTPDestroyResult(psResult);
1726 3 : CPLFree(pabyData);
1727 :
1728 3 : return l_nFeatures;
1729 : }
1730 :
1731 : /************************************************************************/
1732 : /* CanRunGetFeatureCountAndGetExtentTogether() */
1733 : /************************************************************************/
1734 :
1735 16 : int OGRWFSLayer::CanRunGetFeatureCountAndGetExtentTogether()
1736 : {
1737 : /* In some cases, we can evaluate the result of GetFeatureCount() */
1738 : /* and GetExtent() with the same data */
1739 16 : CPLString osRequestURL = MakeGetFeatureURL(0, FALSE);
1740 26 : return (!m_oExtents.IsInit() && nFeatures < 0 &&
1741 10 : osRequestURL.ifind("FILTER") == std::string::npos &&
1742 10 : osRequestURL.ifind("MAXFEATURES") == std::string::npos &&
1743 34 : osRequestURL.ifind("COUNT") == std::string::npos &&
1744 40 : !(GetLayerDefn()->IsGeometryIgnored()));
1745 : }
1746 :
1747 : /************************************************************************/
1748 : /* GetFeatureCount() */
1749 : /************************************************************************/
1750 :
1751 14 : GIntBig OGRWFSLayer::GetFeatureCount(int bForce)
1752 : {
1753 14 : if (nFeatures >= 0)
1754 2 : return nFeatures;
1755 :
1756 12 : if (poBaseLayer && TestCapability(OLCFastFeatureCount))
1757 0 : return poBaseLayer->GetFeatureCount(bForce);
1758 :
1759 22 : if ((m_poAttrQuery == nullptr || !osWFSWhere.empty()) &&
1760 10 : poDS->GetFeatureSupportHits())
1761 : {
1762 9 : nFeatures = ExecuteGetFeatureResultTypeHits();
1763 9 : if (nFeatures >= 0)
1764 3 : return nFeatures;
1765 : }
1766 :
1767 : /* If we have not yet the base layer, try to read one */
1768 : /* feature, and then query again OLCFastFeatureCount on the */
1769 : /* base layer. In case the WFS response would contain the */
1770 : /* number of features */
1771 17 : if (poBaseLayer == nullptr &&
1772 8 : (m_poAttrQuery == nullptr || !osWFSWhere.empty()))
1773 : {
1774 7 : ResetReading();
1775 7 : OGRFeature *poFeature = GetNextFeature();
1776 7 : delete poFeature;
1777 7 : ResetReading();
1778 :
1779 7 : if (nFeatures >= 0)
1780 0 : return nFeatures;
1781 :
1782 7 : if (poBaseLayer && TestCapability(OLCFastFeatureCount))
1783 0 : return poBaseLayer->GetFeatureCount(bForce);
1784 : }
1785 :
1786 : /* In some cases, we can evaluate the result of GetFeatureCount() */
1787 : /* and GetExtent() with the same data */
1788 9 : if (CanRunGetFeatureCountAndGetExtentTogether())
1789 : {
1790 1 : OGREnvelope sDummy;
1791 1 : CPL_IGNORE_RET_VAL(GetExtent(&sDummy));
1792 : }
1793 :
1794 9 : if (nFeatures < 0)
1795 9 : nFeatures = OGRLayer::GetFeatureCount(bForce);
1796 :
1797 9 : return nFeatures;
1798 : }
1799 :
1800 : /************************************************************************/
1801 : /* SetExtents() */
1802 : /************************************************************************/
1803 :
1804 152 : void OGRWFSLayer::SetExtents(double dfMinXIn, double dfMinYIn, double dfMaxXIn,
1805 : double dfMaxYIn)
1806 : {
1807 152 : m_oExtents.MinX = dfMinXIn;
1808 152 : m_oExtents.MinY = dfMinYIn;
1809 152 : m_oExtents.MaxX = dfMaxXIn;
1810 152 : m_oExtents.MaxY = dfMaxYIn;
1811 152 : }
1812 :
1813 : /************************************************************************/
1814 : /* SetWGS84Extents() */
1815 : /************************************************************************/
1816 :
1817 152 : void OGRWFSLayer::SetWGS84Extents(double dfMinXIn, double dfMinYIn,
1818 : double dfMaxXIn, double dfMaxYIn)
1819 : {
1820 152 : m_oWGS84Extents.MinX = dfMinXIn;
1821 152 : m_oWGS84Extents.MinY = dfMinYIn;
1822 152 : m_oWGS84Extents.MaxX = dfMaxXIn;
1823 152 : m_oWGS84Extents.MaxY = dfMaxYIn;
1824 152 : }
1825 :
1826 : /************************************************************************/
1827 : /* IGetExtent() */
1828 : /************************************************************************/
1829 :
1830 16 : OGRErr OGRWFSLayer::IGetExtent(int iGeomField, OGREnvelope *psExtent,
1831 : bool bForce)
1832 : {
1833 16 : if (m_oExtents.IsInit())
1834 : {
1835 9 : *psExtent = m_oExtents;
1836 9 : return OGRERR_NONE;
1837 : }
1838 :
1839 : /* If we have not yet the base layer, try to read one */
1840 : /* feature, and then query again OLCFastGetExtent on the */
1841 : /* base layer. In case the WFS response would contain the */
1842 : /* global extent */
1843 7 : if (poBaseLayer == nullptr)
1844 : {
1845 7 : ResetReading();
1846 7 : OGRFeature *poFeature = GetNextFeature();
1847 7 : delete poFeature;
1848 7 : ResetReading();
1849 : }
1850 :
1851 7 : if (TestCapability(OLCFastGetExtent))
1852 0 : return poBaseLayer->GetExtent(iGeomField, psExtent, bForce);
1853 :
1854 : /* In some cases, we can evaluate the result of GetFeatureCount() */
1855 : /* and GetExtent() with the same data */
1856 7 : if (CanRunGetFeatureCountAndGetExtentTogether())
1857 : {
1858 7 : bCountFeaturesInGetNextFeature = true;
1859 7 : nFeatures = 0;
1860 : }
1861 :
1862 7 : OGRErr eErr = OGRLayer::IGetExtent(iGeomField, psExtent, bForce);
1863 :
1864 7 : if (bCountFeaturesInGetNextFeature)
1865 : {
1866 7 : if (eErr == OGRERR_NONE)
1867 : {
1868 2 : m_oExtents = *psExtent;
1869 : }
1870 : else
1871 : {
1872 5 : nFeatures = -1;
1873 : }
1874 7 : bCountFeaturesInGetNextFeature = false;
1875 : }
1876 :
1877 7 : return eErr;
1878 : }
1879 :
1880 : /************************************************************************/
1881 : /* GetShortName() */
1882 : /************************************************************************/
1883 :
1884 718 : const char *OGRWFSLayer::GetShortName()
1885 : {
1886 718 : const char *pszShortName = strchr(pszName, ':');
1887 718 : if (pszShortName == nullptr)
1888 622 : pszShortName = pszName;
1889 : else
1890 96 : pszShortName++;
1891 718 : return pszShortName;
1892 : }
1893 :
1894 : /************************************************************************/
1895 : /* GetPostHeader() */
1896 : /************************************************************************/
1897 :
1898 62 : CPLString OGRWFSLayer::GetPostHeader()
1899 : {
1900 62 : CPLString osPost;
1901 62 : osPost += "<?xml version=\"1.0\"?>\n";
1902 62 : osPost += "<wfs:Transaction xmlns:wfs=\"http://www.opengis.net/wfs\"\n";
1903 : osPost += " "
1904 62 : "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n";
1905 62 : osPost += " service=\"WFS\" version=\"";
1906 62 : osPost += poDS->GetVersion();
1907 62 : osPost += "\"\n";
1908 62 : osPost += " xmlns:gml=\"http://www.opengis.net/gml\"\n";
1909 62 : osPost += " xmlns:ogc=\"http://www.opengis.net/ogc\"\n";
1910 : osPost +=
1911 : " xsi:schemaLocation=\"http://www.opengis.net/wfs "
1912 62 : "http://schemas.opengis.net/wfs/";
1913 62 : osPost += poDS->GetVersion();
1914 62 : osPost += "/wfs.xsd ";
1915 62 : osPost += osTargetNamespace;
1916 62 : osPost += " ";
1917 :
1918 : char *pszXMLEncoded =
1919 62 : CPLEscapeString(GetDescribeFeatureTypeURL(FALSE), -1, CPLES_XML);
1920 62 : osPost += pszXMLEncoded;
1921 62 : CPLFree(pszXMLEncoded);
1922 :
1923 62 : osPost += "\">\n";
1924 :
1925 62 : return osPost;
1926 : }
1927 :
1928 : /************************************************************************/
1929 : /* ICreateFeature() */
1930 : /************************************************************************/
1931 :
1932 38 : OGRErr OGRWFSLayer::ICreateFeature(OGRFeature *poFeature)
1933 : {
1934 38 : if (!TestCapability(OLCSequentialWrite))
1935 : {
1936 0 : if (!poDS->SupportTransactions())
1937 0 : CPLError(CE_Failure, CPLE_AppDefined,
1938 : "CreateFeature() not supported: no WMS-T features "
1939 : "advertized by server");
1940 0 : else if (!poDS->UpdateMode())
1941 0 : CPLError(CE_Failure, CPLE_AppDefined,
1942 : "CreateFeature() not supported: datasource opened as "
1943 : "read-only");
1944 0 : return OGRERR_FAILURE;
1945 : }
1946 :
1947 38 : if (poGMLFeatureClass == nullptr)
1948 : {
1949 0 : CPLError(CE_Failure, CPLE_AppDefined,
1950 : "Cannot insert feature because we didn't manage to parse the "
1951 : ".XSD schema");
1952 0 : return OGRERR_FAILURE;
1953 : }
1954 :
1955 38 : if (poFeatureDefn->GetFieldIndex("gml_id") != 0)
1956 : {
1957 0 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find gml_id field");
1958 0 : return OGRERR_FAILURE;
1959 : }
1960 :
1961 38 : if (poFeature->IsFieldSetAndNotNull(0))
1962 : {
1963 2 : CPLError(CE_Failure, CPLE_AppDefined,
1964 : "Cannot insert a feature when gml_id field is already set");
1965 2 : return OGRERR_FAILURE;
1966 : }
1967 :
1968 72 : CPLString osPost;
1969 :
1970 36 : const char *pszShortName = GetShortName();
1971 :
1972 36 : if (!bInTransaction)
1973 : {
1974 20 : osPost += GetPostHeader();
1975 20 : osPost += " <wfs:Insert>\n";
1976 : }
1977 36 : osPost += " <feature:";
1978 36 : osPost += pszShortName;
1979 36 : osPost += " xmlns:feature=\"";
1980 36 : osPost += osTargetNamespace;
1981 36 : osPost += "\">\n";
1982 :
1983 288 : for (int i = 1; i <= poFeature->GetFieldCount(); i++)
1984 : {
1985 576 : if (poGMLFeatureClass->GetGeometryPropertyCount() == 1 &&
1986 288 : poGMLFeatureClass->GetGeometryProperty(0)->GetAttributeIndex() ==
1987 288 : i - 1)
1988 : {
1989 36 : OGRGeometry *poGeom = poFeature->GetGeometryRef();
1990 36 : if (poGeom != nullptr && !osGeometryColumnName.empty())
1991 : {
1992 2 : if (poGeom->getSpatialReference() == nullptr)
1993 2 : poGeom->assignSpatialReference(m_poSRS);
1994 2 : char *pszGML = nullptr;
1995 2 : if (strcmp(poDS->GetVersion(), "1.1.0") == 0 ||
1996 0 : atoi(poDS->GetVersion()) >= 2)
1997 : {
1998 2 : char **papszOptions = CSLAddString(nullptr, "FORMAT=GML3");
1999 2 : pszGML = OGR_G_ExportToGMLEx(OGRGeometry::ToHandle(poGeom),
2000 : papszOptions);
2001 2 : CSLDestroy(papszOptions);
2002 : }
2003 : else
2004 0 : pszGML = OGR_G_ExportToGML(OGRGeometry::ToHandle(poGeom));
2005 2 : osPost += " <feature:";
2006 2 : osPost += osGeometryColumnName;
2007 2 : osPost += ">";
2008 2 : osPost += pszGML;
2009 2 : osPost += "</feature:";
2010 2 : osPost += osGeometryColumnName;
2011 2 : osPost += ">\n";
2012 2 : CPLFree(pszGML);
2013 : }
2014 : }
2015 288 : if (i == poFeature->GetFieldCount())
2016 36 : break;
2017 :
2018 : #ifdef notdef
2019 : if (poFeature->IsFieldNull(i))
2020 : {
2021 : const OGRFieldDefn *poFDefn = poFeature->GetFieldDefnRef(i);
2022 : osPost += " <feature:";
2023 : osPost += poFDefn->GetNameRef();
2024 : osPost += " xsi:nil=\"true\" />\n";
2025 : }
2026 : else
2027 : #endif
2028 252 : if (poFeature->IsFieldSet(i) && !poFeature->IsFieldNull(i))
2029 : {
2030 6 : const OGRFieldDefn *poFDefn = poFeature->GetFieldDefnRef(i);
2031 6 : osPost += " <feature:";
2032 6 : osPost += poFDefn->GetNameRef();
2033 6 : osPost += ">";
2034 6 : if (poFDefn->GetType() == OFTInteger)
2035 2 : osPost += CPLSPrintf("%d", poFeature->GetFieldAsInteger(i));
2036 4 : else if (poFDefn->GetType() == OFTInteger64)
2037 : osPost +=
2038 0 : CPLSPrintf(CPL_FRMT_GIB, poFeature->GetFieldAsInteger64(i));
2039 4 : else if (poFDefn->GetType() == OFTReal)
2040 2 : osPost += CPLSPrintf("%.16g", poFeature->GetFieldAsDouble(i));
2041 : else
2042 : {
2043 2 : char *pszXMLEncoded = CPLEscapeString(
2044 : poFeature->GetFieldAsString(i), -1, CPLES_XML);
2045 2 : osPost += pszXMLEncoded;
2046 2 : CPLFree(pszXMLEncoded);
2047 : }
2048 6 : osPost += "</feature:";
2049 6 : osPost += poFDefn->GetNameRef();
2050 6 : osPost += ">\n";
2051 : }
2052 : }
2053 :
2054 36 : osPost += " </feature:";
2055 36 : osPost += pszShortName;
2056 36 : osPost += ">\n";
2057 :
2058 36 : if (!bInTransaction)
2059 : {
2060 20 : osPost += " </wfs:Insert>\n";
2061 20 : osPost += "</wfs:Transaction>\n";
2062 : }
2063 : else
2064 : {
2065 16 : osGlobalInsert += osPost;
2066 16 : nExpectedInserts++;
2067 16 : return OGRERR_NONE;
2068 : }
2069 :
2070 20 : CPLDebug("WFS", "Post : %s", osPost.c_str());
2071 :
2072 20 : char **papszOptions = nullptr;
2073 20 : papszOptions = CSLAddNameValue(papszOptions, "POSTFIELDS", osPost.c_str());
2074 : papszOptions =
2075 20 : CSLAddNameValue(papszOptions, "HEADERS",
2076 : "Content-Type: application/xml; charset=UTF-8");
2077 :
2078 : CPLHTTPResult *psResult =
2079 20 : poDS->HTTPFetch(poDS->GetPostTransactionURL(), papszOptions);
2080 20 : CSLDestroy(papszOptions);
2081 :
2082 20 : if (psResult == nullptr)
2083 : {
2084 6 : return OGRERR_FAILURE;
2085 : }
2086 :
2087 14 : if (strstr(reinterpret_cast<const char *>(psResult->pabyData),
2088 12 : "<ServiceExceptionReport") != nullptr ||
2089 12 : strstr(reinterpret_cast<const char *>(psResult->pabyData),
2090 : "<ows:ExceptionReport") != nullptr)
2091 : {
2092 2 : CPLError(CE_Failure, CPLE_AppDefined, "Error returned by server : %s",
2093 : psResult->pabyData);
2094 2 : CPLHTTPDestroyResult(psResult);
2095 2 : return OGRERR_FAILURE;
2096 : }
2097 :
2098 12 : CPLDebug("WFS", "Response: %s", psResult->pabyData);
2099 :
2100 : CPLXMLNode *psXML =
2101 12 : CPLParseXMLString(reinterpret_cast<const char *>(psResult->pabyData));
2102 12 : if (psXML == nullptr)
2103 : {
2104 2 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid XML content : %s",
2105 : psResult->pabyData);
2106 2 : CPLHTTPDestroyResult(psResult);
2107 2 : return OGRERR_FAILURE;
2108 : }
2109 :
2110 10 : CPLStripXMLNamespace(psXML, nullptr, TRUE);
2111 10 : bool bUse100Schema = false;
2112 10 : CPLXMLNode *psRoot = CPLGetXMLNode(psXML, "=TransactionResponse");
2113 10 : if (psRoot == nullptr)
2114 : {
2115 2 : psRoot = CPLGetXMLNode(psXML, "=WFS_TransactionResponse");
2116 2 : if (psRoot)
2117 0 : bUse100Schema = true;
2118 : }
2119 :
2120 10 : if (psRoot == nullptr)
2121 : {
2122 2 : CPLError(CE_Failure, CPLE_AppDefined,
2123 : "Cannot find <TransactionResponse>");
2124 2 : CPLDestroyXMLNode(psXML);
2125 2 : CPLHTTPDestroyResult(psResult);
2126 2 : return OGRERR_FAILURE;
2127 : }
2128 :
2129 8 : CPLXMLNode *psFeatureID = nullptr;
2130 :
2131 8 : if (bUse100Schema)
2132 : {
2133 0 : if (CPLGetXMLNode(psRoot, "TransactionResult.Status.FAILED"))
2134 : {
2135 0 : CPLError(CE_Failure, CPLE_AppDefined, "Insert failed : %s",
2136 : psResult->pabyData);
2137 0 : CPLDestroyXMLNode(psXML);
2138 0 : CPLHTTPDestroyResult(psResult);
2139 0 : return OGRERR_FAILURE;
2140 : }
2141 :
2142 0 : psFeatureID = CPLGetXMLNode(psRoot, "InsertResult.FeatureId");
2143 0 : if (psFeatureID == nullptr)
2144 : {
2145 0 : CPLError(CE_Failure, CPLE_AppDefined,
2146 : "Cannot find InsertResult.FeatureId");
2147 0 : CPLDestroyXMLNode(psXML);
2148 0 : CPLHTTPDestroyResult(psResult);
2149 0 : return OGRERR_FAILURE;
2150 : }
2151 : }
2152 : else
2153 : {
2154 8 : const char *pszFeatureIdElt = atoi(poDS->GetVersion()) >= 2
2155 8 : ? "InsertResults.Feature.ResourceId"
2156 8 : : "InsertResults.Feature.FeatureId";
2157 8 : psFeatureID = CPLGetXMLNode(psRoot, pszFeatureIdElt);
2158 8 : if (psFeatureID == nullptr)
2159 : {
2160 2 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find %s",
2161 : pszFeatureIdElt);
2162 2 : CPLDestroyXMLNode(psXML);
2163 2 : CPLHTTPDestroyResult(psResult);
2164 2 : return OGRERR_FAILURE;
2165 : }
2166 : }
2167 :
2168 6 : const char *pszFIDAttr = atoi(poDS->GetVersion()) >= 2 ? "rid" : "fid";
2169 6 : const char *pszFID = CPLGetXMLValue(psFeatureID, pszFIDAttr, nullptr);
2170 6 : if (pszFID == nullptr)
2171 : {
2172 2 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find %s", pszFIDAttr);
2173 2 : CPLDestroyXMLNode(psXML);
2174 2 : CPLHTTPDestroyResult(psResult);
2175 2 : return OGRERR_FAILURE;
2176 : }
2177 :
2178 4 : poFeature->SetField("gml_id", pszFID);
2179 :
2180 : /* If the returned fid is of the form layer_name.num, then use */
2181 : /* num as the OGR FID */
2182 4 : if (strncmp(pszFID, pszShortName, strlen(pszShortName)) == 0 &&
2183 4 : pszFID[strlen(pszShortName)] == '.')
2184 : {
2185 4 : GIntBig nFID = CPLAtoGIntBig(pszFID + strlen(pszShortName) + 1);
2186 4 : poFeature->SetFID(nFID);
2187 : }
2188 :
2189 4 : CPLDebug("WFS", "Got FID = " CPL_FRMT_GIB, poFeature->GetFID());
2190 :
2191 4 : CPLDestroyXMLNode(psXML);
2192 4 : CPLHTTPDestroyResult(psResult);
2193 :
2194 : /* Invalidate layer */
2195 4 : bReloadNeeded = true;
2196 4 : nFeatures = -1;
2197 4 : m_oExtents = OGREnvelope();
2198 :
2199 4 : return OGRERR_NONE;
2200 : }
2201 :
2202 : /************************************************************************/
2203 : /* ISetFeature() */
2204 : /************************************************************************/
2205 :
2206 16 : OGRErr OGRWFSLayer::ISetFeature(OGRFeature *poFeature)
2207 : {
2208 16 : if (!TestCapability(OLCRandomWrite))
2209 : {
2210 0 : if (!poDS->SupportTransactions())
2211 0 : CPLError(CE_Failure, CPLE_AppDefined,
2212 : "SetFeature() not supported: no WMS-T features advertized "
2213 : "by server");
2214 0 : else if (!poDS->UpdateMode())
2215 0 : CPLError(
2216 : CE_Failure, CPLE_AppDefined,
2217 : "SetFeature() not supported: datasource opened as read-only");
2218 0 : return OGRERR_FAILURE;
2219 : }
2220 :
2221 16 : if (poFeatureDefn->GetFieldIndex("gml_id") != 0)
2222 : {
2223 0 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find gml_id field");
2224 0 : return OGRERR_FAILURE;
2225 : }
2226 :
2227 16 : if (poFeature->IsFieldSetAndNotNull(0) == FALSE)
2228 : {
2229 2 : CPLError(CE_Failure, CPLE_AppDefined,
2230 : "Cannot update a feature when gml_id field is not set");
2231 2 : return OGRERR_FAILURE;
2232 : }
2233 :
2234 14 : if (bInTransaction)
2235 : {
2236 0 : CPLError(
2237 : CE_Warning, CPLE_AppDefined,
2238 : "SetFeature() not yet dealt in transaction. Issued immediately");
2239 : }
2240 :
2241 14 : const char *pszShortName = GetShortName();
2242 :
2243 28 : CPLString osPost;
2244 14 : osPost += GetPostHeader();
2245 :
2246 14 : osPost += " <wfs:Update typeName=\"feature:";
2247 14 : osPost += pszShortName;
2248 14 : osPost += "\" xmlns:feature=\"";
2249 14 : osPost += osTargetNamespace;
2250 14 : osPost += "\">\n";
2251 :
2252 14 : OGRGeometry *poGeom = poFeature->GetGeometryRef();
2253 14 : if (!osGeometryColumnName.empty())
2254 : {
2255 14 : osPost += " <wfs:Property>\n";
2256 14 : osPost += " <wfs:Name>";
2257 14 : osPost += osGeometryColumnName;
2258 14 : osPost += "</wfs:Name>\n";
2259 14 : if (poGeom != nullptr)
2260 : {
2261 2 : if (poGeom->getSpatialReference() == nullptr)
2262 2 : poGeom->assignSpatialReference(m_poSRS);
2263 2 : char *pszGML = nullptr;
2264 2 : if (strcmp(poDS->GetVersion(), "1.1.0") == 0 ||
2265 0 : atoi(poDS->GetVersion()) >= 2)
2266 : {
2267 2 : char **papszOptions = CSLAddString(nullptr, "FORMAT=GML3");
2268 2 : pszGML = OGR_G_ExportToGMLEx(OGRGeometry::ToHandle(poGeom),
2269 : papszOptions);
2270 2 : CSLDestroy(papszOptions);
2271 : }
2272 : else
2273 0 : pszGML = OGR_G_ExportToGML(OGRGeometry::ToHandle(poGeom));
2274 2 : osPost += " <wfs:Value>";
2275 2 : osPost += pszGML;
2276 2 : osPost += "</wfs:Value>\n";
2277 2 : CPLFree(pszGML);
2278 : }
2279 14 : osPost += " </wfs:Property>\n";
2280 : }
2281 :
2282 112 : for (int i = 1; i < poFeature->GetFieldCount(); i++)
2283 : {
2284 98 : const OGRFieldDefn *poFDefn = poFeature->GetFieldDefnRef(i);
2285 :
2286 98 : osPost += " <wfs:Property>\n";
2287 98 : osPost += " <wfs:Name>";
2288 98 : osPost += poFDefn->GetNameRef();
2289 98 : osPost += "</wfs:Name>\n";
2290 98 : if (poFeature->IsFieldSetAndNotNull(i))
2291 : {
2292 6 : osPost += " <wfs:Value>";
2293 6 : if (poFDefn->GetType() == OFTInteger)
2294 2 : osPost += CPLSPrintf("%d", poFeature->GetFieldAsInteger(i));
2295 4 : else if (poFDefn->GetType() == OFTInteger64)
2296 : osPost +=
2297 0 : CPLSPrintf(CPL_FRMT_GIB, poFeature->GetFieldAsInteger64(i));
2298 4 : else if (poFDefn->GetType() == OFTReal)
2299 2 : osPost += CPLSPrintf("%.16g", poFeature->GetFieldAsDouble(i));
2300 : else
2301 : {
2302 2 : char *pszXMLEncoded = CPLEscapeString(
2303 : poFeature->GetFieldAsString(i), -1, CPLES_XML);
2304 2 : osPost += pszXMLEncoded;
2305 2 : CPLFree(pszXMLEncoded);
2306 : }
2307 6 : osPost += "</wfs:Value>\n";
2308 : }
2309 98 : osPost += " </wfs:Property>\n";
2310 : }
2311 14 : osPost += " <ogc:Filter>\n";
2312 14 : if (poDS->UseFeatureId() || bUseFeatureIdAtLayerLevel)
2313 0 : osPost += " <ogc:FeatureId fid=\"";
2314 14 : else if (atoi(poDS->GetVersion()) >= 2)
2315 0 : osPost += " <ogc:ResourceId rid=\"";
2316 : else
2317 14 : osPost += " <ogc:GmlObjectId gml:id=\"";
2318 14 : osPost += poFeature->GetFieldAsString(0);
2319 14 : osPost += "\"/>\n";
2320 14 : osPost += " </ogc:Filter>\n";
2321 14 : osPost += " </wfs:Update>\n";
2322 14 : osPost += "</wfs:Transaction>\n";
2323 :
2324 14 : CPLDebug("WFS", "Post : %s", osPost.c_str());
2325 :
2326 14 : char **papszOptions = nullptr;
2327 14 : papszOptions = CSLAddNameValue(papszOptions, "POSTFIELDS", osPost.c_str());
2328 : papszOptions =
2329 14 : CSLAddNameValue(papszOptions, "HEADERS",
2330 : "Content-Type: application/xml; charset=UTF-8");
2331 :
2332 : CPLHTTPResult *psResult =
2333 14 : poDS->HTTPFetch(poDS->GetPostTransactionURL(), papszOptions);
2334 14 : CSLDestroy(papszOptions);
2335 :
2336 14 : if (psResult == nullptr)
2337 : {
2338 4 : return OGRERR_FAILURE;
2339 : }
2340 :
2341 10 : if (strstr(reinterpret_cast<const char *>(psResult->pabyData),
2342 8 : "<ServiceExceptionReport") != nullptr ||
2343 8 : strstr(reinterpret_cast<const char *>(psResult->pabyData),
2344 : "<ows:ExceptionReport") != nullptr)
2345 : {
2346 2 : CPLError(CE_Failure, CPLE_AppDefined, "Error returned by server : %s",
2347 : psResult->pabyData);
2348 2 : CPLHTTPDestroyResult(psResult);
2349 2 : return OGRERR_FAILURE;
2350 : }
2351 :
2352 8 : CPLDebug("WFS", "Response: %s", psResult->pabyData);
2353 :
2354 : CPLXMLNode *psXML =
2355 8 : CPLParseXMLString(reinterpret_cast<const char *>(psResult->pabyData));
2356 8 : if (psXML == nullptr)
2357 : {
2358 2 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid XML content : %s",
2359 : psResult->pabyData);
2360 2 : CPLHTTPDestroyResult(psResult);
2361 2 : return OGRERR_FAILURE;
2362 : }
2363 :
2364 6 : CPLStripXMLNamespace(psXML, nullptr, TRUE);
2365 6 : int bUse100Schema = false;
2366 6 : CPLXMLNode *psRoot = CPLGetXMLNode(psXML, "=TransactionResponse");
2367 6 : if (psRoot == nullptr)
2368 : {
2369 2 : psRoot = CPLGetXMLNode(psXML, "=WFS_TransactionResponse");
2370 2 : if (psRoot)
2371 0 : bUse100Schema = true;
2372 : }
2373 6 : if (psRoot == nullptr)
2374 : {
2375 2 : CPLError(CE_Failure, CPLE_AppDefined,
2376 : "Cannot find <TransactionResponse>");
2377 2 : CPLDestroyXMLNode(psXML);
2378 2 : CPLHTTPDestroyResult(psResult);
2379 2 : return OGRERR_FAILURE;
2380 : }
2381 :
2382 4 : if (bUse100Schema)
2383 : {
2384 0 : if (CPLGetXMLNode(psRoot, "TransactionResult.Status.FAILED"))
2385 : {
2386 0 : CPLError(CE_Failure, CPLE_AppDefined, "Update failed : %s",
2387 : psResult->pabyData);
2388 0 : CPLDestroyXMLNode(psXML);
2389 0 : CPLHTTPDestroyResult(psResult);
2390 0 : return OGRERR_FAILURE;
2391 : }
2392 : }
2393 :
2394 4 : CPLDestroyXMLNode(psXML);
2395 4 : CPLHTTPDestroyResult(psResult);
2396 :
2397 : /* Invalidate layer */
2398 4 : bReloadNeeded = true;
2399 4 : nFeatures = -1;
2400 4 : m_oExtents = OGREnvelope();
2401 :
2402 4 : return OGRERR_NONE;
2403 : }
2404 :
2405 : /************************************************************************/
2406 : /* GetFeature() */
2407 : /************************************************************************/
2408 :
2409 14 : OGRFeature *OGRWFSLayer::GetFeature(GIntBig nFID)
2410 : {
2411 14 : GetLayerDefn();
2412 14 : if (poBaseLayer == nullptr && poFeatureDefn->GetFieldIndex("gml_id") == 0)
2413 : {
2414 : /* This is lovely hackish. We assume that then gml_id will be */
2415 : /* layer_name.number. This is actually what we can observe with */
2416 : /* GeoServer and TinyOWS */
2417 : CPLString osVal =
2418 14 : CPLSPrintf("gml_id = '%s." CPL_FRMT_GIB "'", GetShortName(), nFID);
2419 14 : CPLString osOldSQLWhere(osSQLWhere);
2420 14 : SetAttributeFilter(osVal);
2421 14 : OGRFeature *poFeature = GetNextFeature();
2422 : const char *pszOldFilter =
2423 14 : osOldSQLWhere.size() ? osOldSQLWhere.c_str() : nullptr;
2424 14 : SetAttributeFilter(pszOldFilter);
2425 14 : if (poFeature)
2426 12 : return poFeature;
2427 : }
2428 :
2429 2 : return OGRLayer::GetFeature(nFID);
2430 : }
2431 :
2432 : /************************************************************************/
2433 : /* DeleteFromFilter() */
2434 : /************************************************************************/
2435 :
2436 12 : OGRErr OGRWFSLayer::DeleteFromFilter(const std::string &osOGCFilter)
2437 : {
2438 12 : if (!TestCapability(OLCDeleteFeature))
2439 : {
2440 0 : if (!poDS->SupportTransactions())
2441 0 : CPLError(CE_Failure, CPLE_AppDefined,
2442 : "DeleteFromFilter() not supported: no WMS-T features "
2443 : "advertized by server");
2444 0 : else if (!poDS->UpdateMode())
2445 0 : CPLError(CE_Failure, CPLE_AppDefined,
2446 : "DeleteFromFilter() not supported: datasource opened as "
2447 : "read-only");
2448 0 : return OGRERR_FAILURE;
2449 : }
2450 :
2451 12 : if (poFeatureDefn->GetFieldIndex("gml_id") != 0)
2452 : {
2453 0 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find gml_id field");
2454 0 : return OGRERR_FAILURE;
2455 : }
2456 12 : const char *pszShortName = GetShortName();
2457 :
2458 24 : CPLString osPost;
2459 12 : osPost += GetPostHeader();
2460 :
2461 12 : osPost += " <wfs:Delete xmlns:feature=\"";
2462 12 : osPost += osTargetNamespace;
2463 12 : osPost += "\" typeName=\"feature:";
2464 12 : osPost += pszShortName;
2465 12 : osPost += "\">\n";
2466 12 : osPost += " <ogc:Filter>\n";
2467 12 : osPost += osOGCFilter;
2468 12 : osPost += " </ogc:Filter>\n";
2469 12 : osPost += " </wfs:Delete>\n";
2470 12 : osPost += "</wfs:Transaction>\n";
2471 :
2472 12 : CPLDebug("WFS", "Post : %s", osPost.c_str());
2473 :
2474 12 : char **papszOptions = nullptr;
2475 12 : papszOptions = CSLAddNameValue(papszOptions, "POSTFIELDS", osPost.c_str());
2476 : papszOptions =
2477 12 : CSLAddNameValue(papszOptions, "HEADERS",
2478 : "Content-Type: application/xml; charset=UTF-8");
2479 :
2480 : CPLHTTPResult *psResult =
2481 12 : poDS->HTTPFetch(poDS->GetPostTransactionURL(), papszOptions);
2482 12 : CSLDestroy(papszOptions);
2483 :
2484 12 : if (psResult == nullptr)
2485 : {
2486 4 : return OGRERR_FAILURE;
2487 : }
2488 :
2489 8 : if (strstr(reinterpret_cast<const char *>(psResult->pabyData),
2490 8 : "<ServiceExceptionReport") != nullptr ||
2491 8 : strstr(reinterpret_cast<const char *>(psResult->pabyData),
2492 : "<ows:ExceptionReport") != nullptr)
2493 : {
2494 0 : CPLError(CE_Failure, CPLE_AppDefined, "Error returned by server : %s",
2495 : psResult->pabyData);
2496 0 : CPLHTTPDestroyResult(psResult);
2497 0 : return OGRERR_FAILURE;
2498 : }
2499 :
2500 8 : CPLDebug("WFS", "Response: %s", psResult->pabyData);
2501 :
2502 : CPLXMLNode *psXML =
2503 8 : CPLParseXMLString(reinterpret_cast<const char *>(psResult->pabyData));
2504 8 : if (psXML == nullptr)
2505 : {
2506 2 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid XML content : %s",
2507 : psResult->pabyData);
2508 2 : CPLHTTPDestroyResult(psResult);
2509 2 : return OGRERR_FAILURE;
2510 : }
2511 :
2512 6 : CPLStripXMLNamespace(psXML, nullptr, TRUE);
2513 6 : bool bUse100Schema = false;
2514 6 : CPLXMLNode *psRoot = CPLGetXMLNode(psXML, "=TransactionResponse");
2515 6 : if (psRoot == nullptr)
2516 : {
2517 2 : psRoot = CPLGetXMLNode(psXML, "=WFS_TransactionResponse");
2518 2 : if (psRoot)
2519 0 : bUse100Schema = true;
2520 : }
2521 6 : if (psRoot == nullptr)
2522 : {
2523 2 : CPLError(CE_Failure, CPLE_AppDefined,
2524 : "Cannot find <TransactionResponse>");
2525 2 : CPLDestroyXMLNode(psXML);
2526 2 : CPLHTTPDestroyResult(psResult);
2527 2 : return OGRERR_FAILURE;
2528 : }
2529 :
2530 4 : if (bUse100Schema)
2531 : {
2532 0 : if (CPLGetXMLNode(psRoot, "TransactionResult.Status.FAILED"))
2533 : {
2534 0 : CPLError(CE_Failure, CPLE_AppDefined, "Delete failed : %s",
2535 : psResult->pabyData);
2536 0 : CPLDestroyXMLNode(psXML);
2537 0 : CPLHTTPDestroyResult(psResult);
2538 0 : return OGRERR_FAILURE;
2539 : }
2540 : }
2541 :
2542 4 : CPLDestroyXMLNode(psXML);
2543 4 : CPLHTTPDestroyResult(psResult);
2544 :
2545 : /* Invalidate layer */
2546 4 : bReloadNeeded = true;
2547 4 : nFeatures = -1;
2548 4 : m_oExtents = OGREnvelope();
2549 :
2550 4 : return OGRERR_NONE;
2551 : }
2552 :
2553 : /************************************************************************/
2554 : /* DeleteFeature() */
2555 : /************************************************************************/
2556 :
2557 12 : OGRErr OGRWFSLayer::DeleteFeature(GIntBig nFID)
2558 : {
2559 12 : if (!TestCapability(OLCDeleteFeature))
2560 : {
2561 0 : if (!poDS->SupportTransactions())
2562 0 : CPLError(CE_Failure, CPLE_AppDefined,
2563 : "DeleteFeature() not supported: no WMS-T features "
2564 : "advertized by server");
2565 0 : else if (!poDS->UpdateMode())
2566 0 : CPLError(CE_Failure, CPLE_AppDefined,
2567 : "DeleteFeature() not supported: datasource opened as "
2568 : "read-only");
2569 0 : return OGRERR_FAILURE;
2570 : }
2571 :
2572 12 : if (poFeatureDefn->GetFieldIndex("gml_id") != 0)
2573 : {
2574 0 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find gml_id field");
2575 0 : return OGRERR_FAILURE;
2576 : }
2577 :
2578 12 : OGRFeature *poFeature = GetFeature(nFID);
2579 12 : if (poFeature == nullptr)
2580 : {
2581 2 : CPLError(CE_Failure, CPLE_AppDefined,
2582 : "Cannot find feature " CPL_FRMT_GIB, nFID);
2583 2 : return OGRERR_FAILURE;
2584 : }
2585 :
2586 10 : const char *pszGMLID = poFeature->GetFieldAsString("gml_id");
2587 10 : if (pszGMLID == nullptr)
2588 : {
2589 0 : CPLError(CE_Failure, CPLE_AppDefined,
2590 : "Cannot delete a feature with gml_id unset");
2591 0 : delete poFeature;
2592 0 : return OGRERR_FAILURE;
2593 : }
2594 :
2595 10 : if (bInTransaction)
2596 : {
2597 0 : CPLError(
2598 : CE_Warning, CPLE_AppDefined,
2599 : "DeleteFeature() not yet dealt in transaction. Issued immediately");
2600 : }
2601 :
2602 20 : CPLString osGMLID = pszGMLID;
2603 10 : pszGMLID = nullptr;
2604 10 : delete poFeature;
2605 10 : poFeature = nullptr;
2606 :
2607 20 : CPLString osFilter;
2608 10 : osFilter = "<ogc:FeatureId fid=\"";
2609 10 : osFilter += osGMLID;
2610 10 : osFilter += "\"/>\n";
2611 10 : return DeleteFromFilter(osFilter);
2612 : }
2613 :
2614 : /************************************************************************/
2615 : /* StartTransaction() */
2616 : /************************************************************************/
2617 :
2618 24 : OGRErr OGRWFSLayer::StartTransaction()
2619 : {
2620 24 : if (!TestCapability(OLCTransactions))
2621 : {
2622 0 : if (!poDS->SupportTransactions())
2623 0 : CPLError(CE_Failure, CPLE_AppDefined,
2624 : "StartTransaction() not supported: no WMS-T features "
2625 : "advertized by server");
2626 0 : else if (!poDS->UpdateMode())
2627 0 : CPLError(CE_Failure, CPLE_AppDefined,
2628 : "StartTransaction() not supported: datasource opened as "
2629 : "read-only");
2630 0 : return OGRERR_FAILURE;
2631 : }
2632 :
2633 24 : if (bInTransaction)
2634 : {
2635 2 : CPLError(CE_Failure, CPLE_AppDefined,
2636 : "StartTransaction() has already been called");
2637 2 : return OGRERR_FAILURE;
2638 : }
2639 :
2640 22 : bInTransaction = true;
2641 22 : osGlobalInsert = "";
2642 22 : nExpectedInserts = 0;
2643 22 : aosFIDList.resize(0);
2644 :
2645 22 : return OGRERR_NONE;
2646 : }
2647 :
2648 : /************************************************************************/
2649 : /* CommitTransaction() */
2650 : /************************************************************************/
2651 :
2652 20 : OGRErr OGRWFSLayer::CommitTransaction()
2653 : {
2654 20 : if (!TestCapability(OLCTransactions))
2655 : {
2656 0 : if (!poDS->SupportTransactions())
2657 0 : CPLError(CE_Failure, CPLE_AppDefined,
2658 : "CommitTransaction() not supported: no WMS-T features "
2659 : "advertized by server");
2660 0 : else if (!poDS->UpdateMode())
2661 0 : CPLError(CE_Failure, CPLE_AppDefined,
2662 : "CommitTransaction() not supported: datasource opened as "
2663 : "read-only");
2664 0 : return OGRERR_FAILURE;
2665 : }
2666 :
2667 20 : if (!bInTransaction)
2668 : {
2669 2 : CPLError(CE_Failure, CPLE_AppDefined,
2670 : "StartTransaction() has not yet been called");
2671 2 : return OGRERR_FAILURE;
2672 : }
2673 :
2674 18 : if (!osGlobalInsert.empty())
2675 : {
2676 16 : CPLString osPost = GetPostHeader();
2677 16 : osPost += " <wfs:Insert>\n";
2678 16 : osPost += osGlobalInsert;
2679 16 : osPost += " </wfs:Insert>\n";
2680 16 : osPost += "</wfs:Transaction>\n";
2681 :
2682 16 : bInTransaction = false;
2683 16 : osGlobalInsert = "";
2684 16 : int l_nExpectedInserts = nExpectedInserts;
2685 16 : nExpectedInserts = 0;
2686 :
2687 16 : CPLDebug("WFS", "Post : %s", osPost.c_str());
2688 :
2689 16 : char **papszOptions = nullptr;
2690 : papszOptions =
2691 16 : CSLAddNameValue(papszOptions, "POSTFIELDS", osPost.c_str());
2692 : papszOptions =
2693 16 : CSLAddNameValue(papszOptions, "HEADERS",
2694 : "Content-Type: application/xml; charset=UTF-8");
2695 :
2696 : CPLHTTPResult *psResult =
2697 16 : poDS->HTTPFetch(poDS->GetPostTransactionURL(), papszOptions);
2698 16 : CSLDestroy(papszOptions);
2699 :
2700 16 : if (psResult == nullptr)
2701 : {
2702 0 : return OGRERR_FAILURE;
2703 : }
2704 :
2705 16 : if (strstr(reinterpret_cast<const char *>(psResult->pabyData),
2706 14 : "<ServiceExceptionReport") != nullptr ||
2707 14 : strstr(reinterpret_cast<const char *>(psResult->pabyData),
2708 : "<ows:ExceptionReport") != nullptr)
2709 : {
2710 2 : CPLError(CE_Failure, CPLE_AppDefined,
2711 : "Error returned by server : %s", psResult->pabyData);
2712 2 : CPLHTTPDestroyResult(psResult);
2713 2 : return OGRERR_FAILURE;
2714 : }
2715 :
2716 14 : CPLDebug("WFS", "Response: %s", psResult->pabyData);
2717 :
2718 28 : CPLXMLNode *psXML = CPLParseXMLString(
2719 14 : reinterpret_cast<const char *>(psResult->pabyData));
2720 14 : if (psXML == nullptr)
2721 : {
2722 2 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid XML content : %s",
2723 : psResult->pabyData);
2724 2 : CPLHTTPDestroyResult(psResult);
2725 2 : return OGRERR_FAILURE;
2726 : }
2727 :
2728 12 : CPLStripXMLNamespace(psXML, nullptr, TRUE);
2729 12 : bool bUse100Schema = false;
2730 12 : CPLXMLNode *psRoot = CPLGetXMLNode(psXML, "=TransactionResponse");
2731 12 : if (psRoot == nullptr)
2732 : {
2733 2 : psRoot = CPLGetXMLNode(psXML, "=WFS_TransactionResponse");
2734 2 : if (psRoot)
2735 0 : bUse100Schema = true;
2736 : }
2737 :
2738 12 : if (psRoot == nullptr)
2739 : {
2740 2 : CPLError(CE_Failure, CPLE_AppDefined,
2741 : "Cannot find <TransactionResponse>");
2742 2 : CPLDestroyXMLNode(psXML);
2743 2 : CPLHTTPDestroyResult(psResult);
2744 2 : return OGRERR_FAILURE;
2745 : }
2746 :
2747 10 : if (bUse100Schema)
2748 : {
2749 0 : if (CPLGetXMLNode(psRoot, "TransactionResult.Status.FAILED"))
2750 : {
2751 0 : CPLError(CE_Failure, CPLE_AppDefined, "Insert failed : %s",
2752 : psResult->pabyData);
2753 0 : CPLDestroyXMLNode(psXML);
2754 0 : CPLHTTPDestroyResult(psResult);
2755 0 : return OGRERR_FAILURE;
2756 : }
2757 :
2758 : /* TODO */
2759 : }
2760 : else
2761 : {
2762 10 : int nGotInserted = atoi(
2763 : CPLGetXMLValue(psRoot, "TransactionSummary.totalInserted", ""));
2764 10 : if (nGotInserted != l_nExpectedInserts)
2765 : {
2766 2 : CPLError(
2767 : CE_Failure, CPLE_AppDefined,
2768 : "Only %d features were inserted whereas %d where expected",
2769 : nGotInserted, l_nExpectedInserts);
2770 2 : CPLDestroyXMLNode(psXML);
2771 2 : CPLHTTPDestroyResult(psResult);
2772 2 : return OGRERR_FAILURE;
2773 : }
2774 :
2775 : CPLXMLNode *psInsertResults =
2776 8 : CPLGetXMLNode(psRoot, "InsertResults");
2777 8 : if (psInsertResults == nullptr)
2778 : {
2779 2 : CPLError(CE_Failure, CPLE_AppDefined,
2780 : "Cannot find node InsertResults");
2781 2 : CPLDestroyXMLNode(psXML);
2782 2 : CPLHTTPDestroyResult(psResult);
2783 2 : return OGRERR_FAILURE;
2784 : }
2785 :
2786 6 : aosFIDList.resize(0);
2787 :
2788 6 : CPLXMLNode *psChild = psInsertResults->psChild;
2789 8 : while (psChild)
2790 : {
2791 : const char *pszFID =
2792 4 : CPLGetXMLValue(psChild, "FeatureId.fid", nullptr);
2793 4 : if (pszFID == nullptr)
2794 : {
2795 2 : CPLError(CE_Failure, CPLE_AppDefined, "Cannot find fid");
2796 2 : CPLDestroyXMLNode(psXML);
2797 2 : CPLHTTPDestroyResult(psResult);
2798 2 : return OGRERR_FAILURE;
2799 : }
2800 2 : aosFIDList.push_back(pszFID);
2801 :
2802 2 : psChild = psChild->psNext;
2803 : }
2804 :
2805 4 : if (static_cast<int>(aosFIDList.size()) != nGotInserted)
2806 : {
2807 2 : CPLError(CE_Failure, CPLE_AppDefined,
2808 : "Inconsistent InsertResults: did not get expected FID "
2809 : "count");
2810 2 : CPLDestroyXMLNode(psXML);
2811 2 : CPLHTTPDestroyResult(psResult);
2812 2 : return OGRERR_FAILURE;
2813 : }
2814 : }
2815 :
2816 2 : CPLDestroyXMLNode(psXML);
2817 2 : CPLHTTPDestroyResult(psResult);
2818 : }
2819 :
2820 4 : bInTransaction = false;
2821 4 : osGlobalInsert = "";
2822 4 : nExpectedInserts = 0;
2823 :
2824 4 : return OGRERR_NONE;
2825 : }
2826 :
2827 : /************************************************************************/
2828 : /* RollbackTransaction() */
2829 : /************************************************************************/
2830 :
2831 6 : OGRErr OGRWFSLayer::RollbackTransaction()
2832 : {
2833 6 : if (!TestCapability(OLCTransactions))
2834 : {
2835 0 : if (!poDS->SupportTransactions())
2836 0 : CPLError(CE_Failure, CPLE_AppDefined,
2837 : "RollbackTransaction() not supported: no WMS-T features "
2838 : "advertized by server");
2839 0 : else if (!poDS->UpdateMode())
2840 0 : CPLError(CE_Failure, CPLE_AppDefined,
2841 : "RollbackTransaction() not supported: datasource opened "
2842 : "as read-only");
2843 0 : return OGRERR_FAILURE;
2844 : }
2845 :
2846 6 : if (!bInTransaction)
2847 : {
2848 2 : CPLError(CE_Failure, CPLE_AppDefined,
2849 : "StartTransaction() has not yet been called");
2850 2 : return OGRERR_FAILURE;
2851 : }
2852 :
2853 4 : bInTransaction = false;
2854 4 : osGlobalInsert = "";
2855 4 : nExpectedInserts = 0;
2856 :
2857 4 : return OGRERR_NONE;
2858 : }
2859 :
2860 : /************************************************************************/
2861 : /* SetRequiredOutputFormat() */
2862 : /************************************************************************/
2863 :
2864 0 : void OGRWFSLayer::SetRequiredOutputFormat(const char *pszRequiredOutputFormatIn)
2865 : {
2866 0 : CPLFree(pszRequiredOutputFormat);
2867 0 : if (pszRequiredOutputFormatIn)
2868 : {
2869 0 : pszRequiredOutputFormat = CPLStrdup(pszRequiredOutputFormatIn);
2870 : }
2871 : else
2872 : {
2873 0 : pszRequiredOutputFormat = nullptr;
2874 : }
2875 0 : }
2876 :
2877 : /************************************************************************/
2878 : /* SetOrderBy() */
2879 : /************************************************************************/
2880 :
2881 0 : void OGRWFSLayer::SetOrderBy(const std::vector<OGRWFSSortDesc> &aoSortColumnsIn)
2882 : {
2883 0 : aoSortColumns = aoSortColumnsIn;
2884 0 : }
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