wfs-server-1_7-V3.patch

Michael Douchin, 2012-03-02 08:11 AM

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src/core/qgsgeometry.cpp
4101 4101
  }
4102 4102
}
4103 4103

  
4104
QString QgsGeometry::exportToGeoJSON()
4105
{
4106
  QgsDebugMsg( "entered." );
4107

  
4108
  // TODO: implement with GEOS
4109
  if ( mDirtyWkb )
4110
  {
4111
    exportGeosToWkb();
4112
  }
4113

  
4114
  if ( !mGeometry )
4115
  {
4116
    QgsDebugMsg( "WKB geometry not available!" );
4117
    return QString::null;
4118
  }
4119

  
4120
  QGis::WkbType wkbType;
4121
  bool hasZValue = false;
4122
  double *x, *y;
4123

  
4124
  QString mWkt; // TODO: rename
4125

  
4126
  // Will this really work when mGeometry[0] == 0 ???? I (gavin) think not.
4127
  //wkbType = (mGeometry[0] == 1) ? mGeometry[1] : mGeometry[4];
4128
  memcpy( &wkbType, &( mGeometry[1] ), sizeof( int ) );
4129

  
4130
  switch ( wkbType )
4131
  {
4132
    case QGis::WKBPoint25D:
4133
    case QGis::WKBPoint:
4134
    {
4135
      mWkt += "{ \"type\": \"Point\", \"coordinates\": [";
4136
      x = ( double * )( mGeometry + 5 );
4137
      mWkt += QString::number( *x, 'f', 6 );
4138
      mWkt += ", ";
4139
      y = ( double * )( mGeometry + 5 + sizeof( double ) );
4140
      mWkt += QString::number( *y, 'f', 6 );
4141
      mWkt += "] }";
4142
      return mWkt;
4143
    }
4144

  
4145
    case QGis::WKBLineString25D:
4146
      hasZValue = true;
4147
    case QGis::WKBLineString:
4148
    {
4149
      QgsDebugMsg( "LINESTRING found" );
4150
      unsigned char *ptr;
4151
      int *nPoints;
4152
      int idx;
4153

  
4154
      mWkt += "{ \"type\": \"LineString\", \"coordinates\": [ ";
4155
      // get number of points in the line
4156
      ptr = mGeometry + 5;
4157
      nPoints = ( int * ) ptr;
4158
      ptr = mGeometry + 1 + 2 * sizeof( int );
4159
      for ( idx = 0; idx < *nPoints; ++idx )
4160
      {
4161
        if ( idx != 0 )
4162
        {
4163
          mWkt += ", ";
4164
        }
4165
        mWkt += "[";
4166
        x = ( double * ) ptr;
4167
        mWkt += QString::number( *x, 'f', 6 );
4168
        mWkt += ", ";
4169
        ptr += sizeof( double );
4170
        y = ( double * ) ptr;
4171
        mWkt += QString::number( *y, 'f', 6 );
4172
        ptr += sizeof( double );
4173
        if ( hasZValue )
4174
        {
4175
          ptr += sizeof( double );
4176
        }
4177
        mWkt += "]";
4178
      }
4179
      mWkt += " ] }";
4180
      return mWkt;
4181
    }
4182

  
4183
    case QGis::WKBPolygon25D:
4184
      hasZValue = true;
4185
    case QGis::WKBPolygon:
4186
    {
4187
      QgsDebugMsg( "POLYGON found" );
4188
      unsigned char *ptr;
4189
      int idx, jdx;
4190
      int *numRings, *nPoints;
4191

  
4192
      mWkt += "{ \"type\": \"Polygon\", \"coordinates\": [ ";
4193
      // get number of rings in the polygon
4194
      numRings = ( int * )( mGeometry + 1 + sizeof( int ) );
4195
      if ( !( *numRings ) )  // sanity check for zero rings in polygon
4196
      {
4197
        return QString();
4198
      }
4199
      int *ringStart; // index of first point for each ring
4200
      int *ringNumPoints; // number of points in each ring
4201
      ringStart = new int[*numRings];
4202
      ringNumPoints = new int[*numRings];
4203
      ptr = mGeometry + 1 + 2 * sizeof( int ); // set pointer to the first ring
4204
      for ( idx = 0; idx < *numRings; idx++ )
4205
      {
4206
        if ( idx != 0 )
4207
        {
4208
          mWkt += ", ";
4209
        }
4210
        mWkt += "[ ";
4211
        // get number of points in the ring
4212
        nPoints = ( int * ) ptr;
4213
        ringNumPoints[idx] = *nPoints;
4214
        ptr += 4;
4215

  
4216
        for ( jdx = 0; jdx < *nPoints; jdx++ )
4217
        {
4218
          if ( jdx != 0 )
4219
          {
4220
            mWkt += ", ";
4221
          }
4222
          mWkt += "[";
4223
          x = ( double * ) ptr;
4224
          mWkt += QString::number( *x, 'f', 6 );
4225
          mWkt += ", ";
4226
          ptr += sizeof( double );
4227
          y = ( double * ) ptr;
4228
          mWkt += QString::number( *y, 'f', 6 );
4229
          ptr += sizeof( double );
4230
          if ( hasZValue )
4231
          {
4232
            ptr += sizeof( double );
4233
          }
4234
          mWkt += "]";
4235
        }
4236
        mWkt += " ]";
4237
      }
4238
      mWkt += " ] }";
4239
      delete [] ringStart;
4240
      delete [] ringNumPoints;
4241
      return mWkt;
4242
    }
4243

  
4244
    case QGis::WKBMultiPoint25D:
4245
      hasZValue = true;
4246
    case QGis::WKBMultiPoint:
4247
    {
4248
      unsigned char *ptr;
4249
      int idx;
4250
      int *nPoints;
4251

  
4252
      mWkt += "{ \"type\": \"MultiPoint\", \"coordinates\": [ ";
4253
      nPoints = ( int* )( mGeometry + 5 );
4254
      ptr = mGeometry + 5 + sizeof( int );
4255
      for ( idx = 0; idx < *nPoints; ++idx )
4256
      {
4257
        ptr += ( 1 + sizeof( int ) );
4258
        if ( idx != 0 )
4259
        {
4260
          mWkt += ", ";
4261
        }
4262
        mWkt += "[";
4263
        x = ( double * )( ptr );
4264
        mWkt += QString::number( *x, 'f', 6 );
4265
        mWkt += ", ";
4266
        ptr += sizeof( double );
4267
        y = ( double * )( ptr );
4268
        mWkt += QString::number( *y, 'f', 6 );
4269
        ptr += sizeof( double );
4270
        if ( hasZValue )
4271
        {
4272
          ptr += sizeof( double );
4273
        }
4274
        mWkt += "]";
4275
      }
4276
      mWkt += " ] }";
4277
      return mWkt;
4278
    }
4279

  
4280
    case QGis::WKBMultiLineString25D:
4281
      hasZValue = true;
4282
    case QGis::WKBMultiLineString:
4283
    {
4284
      QgsDebugMsg( "MULTILINESTRING found" );
4285
      unsigned char *ptr;
4286
      int idx, jdx, numLineStrings;
4287
      int *nPoints;
4288

  
4289
      mWkt += "{ \"type\": \"MultiLineString\", \"coordinates\": [ ";
4290
      numLineStrings = ( int )( mGeometry[5] );
4291
      ptr = mGeometry + 9;
4292
      for ( jdx = 0; jdx < numLineStrings; jdx++ )
4293
      {
4294
        if ( jdx != 0 )
4295
        {
4296
          mWkt += ", ";
4297
        }
4298
        mWkt += "[ ";
4299
        ptr += 5; // skip type since we know its 2
4300
        nPoints = ( int * ) ptr;
4301
        ptr += sizeof( int );
4302
        for ( idx = 0; idx < *nPoints; idx++ )
4303
        {
4304
          if ( idx != 0 )
4305
          {
4306
            mWkt += ", ";
4307
          }
4308
          mWkt += "[";
4309
          x = ( double * ) ptr;
4310
          mWkt += QString::number( *x, 'f', 6 );
4311
          ptr += sizeof( double );
4312
          mWkt += ", ";
4313
          y = ( double * ) ptr;
4314
          mWkt += QString::number( *y, 'f', 6 );
4315
          ptr += sizeof( double );
4316
          if ( hasZValue )
4317
          {
4318
            ptr += sizeof( double );
4319
          }
4320
          mWkt += "]";
4321
        }
4322
        mWkt += " ]";
4323
      }
4324
      mWkt += " ] }";
4325
      return mWkt;
4326
    }
4327

  
4328
    case QGis::WKBMultiPolygon25D:
4329
      hasZValue = true;
4330
    case QGis::WKBMultiPolygon:
4331
    {
4332
      QgsDebugMsg( "MULTIPOLYGON found" );
4333
      unsigned char *ptr;
4334
      int idx, jdx, kdx;
4335
      int *numPolygons, *numRings, *nPoints;
4336

  
4337
      mWkt += "{ \"type\": \"MultiPolygon\", \"coordinates\": [ ";
4338
      ptr = mGeometry + 5;
4339
      numPolygons = ( int * ) ptr;
4340
      ptr = mGeometry + 9;
4341
      for ( kdx = 0; kdx < *numPolygons; kdx++ )
4342
      {
4343
        if ( kdx != 0 )
4344
        {
4345
          mWkt += ", ";
4346
        }
4347
        mWkt += "[ ";
4348
        ptr += 5;
4349
        numRings = ( int * ) ptr;
4350
        ptr += 4;
4351
        for ( idx = 0; idx < *numRings; idx++ )
4352
        {
4353
          if ( idx != 0 )
4354
          {
4355
            mWkt += ", ";
4356
          }
4357
          mWkt += "[ ";
4358
          nPoints = ( int * ) ptr;
4359
          ptr += 4;
4360
          for ( jdx = 0; jdx < *nPoints; jdx++ )
4361
          {
4362
            if ( jdx != 0 )
4363
            {
4364
              mWkt += ", ";
4365
            }
4366
            mWkt += "[";
4367
            x = ( double * ) ptr;
4368
            mWkt += QString::number( *x, 'f', 6 );
4369
            ptr += sizeof( double );
4370
            mWkt += ", ";
4371
            y = ( double * ) ptr;
4372
            mWkt += QString::number( *y, 'f', 6 );
4373
            ptr += sizeof( double );
4374
            if ( hasZValue )
4375
            {
4376
              ptr += sizeof( double );
4377
            }
4378
            mWkt += "]";
4379
          }
4380
          mWkt += " ]";
4381
        }
4382
        mWkt += " ]";
4383
      }
4384
      mWkt += " ] }";
4385
      return mWkt;
4386
    }
4387

  
4388
    default:
4389
      QgsDebugMsg( "error: mGeometry type not recognized" );
4390
      return QString::null;
4391
  }
4392
}
4393

  
4104 4394
bool QgsGeometry::exportWkbToGeos()
4105 4395
{
4106 4396
  QgsDebugMsgLevel( "entered.", 3 );
src/core/qgsgeometry.h
360 360
     */
361 361
    QString exportToWkt();
362 362

  
363
    /** Exports the geometry to mGeoJSON
364
        @return true in case of success and false else
365
     */
366
    QString exportToGeoJSON();
367

  
363 368
    /* Accessor functions for getting geometry data */
364 369

  
365 370
    /** return contents of the geometry as a point
src/mapserver/CMakeLists.txt
27 27
  qgssldparser.cpp
28 28
  qgssldrenderer.cpp
29 29
  qgswmsserver.cpp
30
  qgswfsserver.cpp
30 31
  qgsmapserviceexception.cpp
31 32
  qgsmapserverlogger.cpp
32 33
  qgsmslayercache.cpp
src/mapserver/qgis_map_serv.cpp
28 28
#include "qgsmapserviceexception.h"
29 29
#include "qgsprojectparser.h"
30 30
#include "qgssldparser.h"
31
#include "qgswfsserver.h"
31 32
#include <QDomDocument>
32 33
#include <QImage>
33 34
#include <QSettings>
......
264 265
    }
265 266

  
266 267
    QgsWMSServer* theServer = 0;
268
    if ( serviceIt->second == "WFS" )
269
    {
270
      delete theServer;
271
      QgsWFSServer* theServer = 0;
272
      try
273
      {
274
        theServer = new QgsWFSServer( parameterMap );
275
      }
276
      catch ( QgsMapServiceException e ) //admin.sld may be invalid
277
      {
278
        theRequestHandler->sendServiceException( e );
279
        continue;
280
      }
281

  
282
      theServer->setAdminConfigParser( adminConfigParser );
283

  
284

  
285
      //request type
286
      std::map<QString, QString>::const_iterator requestIt = parameterMap.find( "REQUEST" );
287
      if ( requestIt == parameterMap.end() )
288
      {
289
        //do some error handling
290
        QgsMSDebugMsg( "unable to find 'REQUEST' parameter, exiting..." );
291
        theRequestHandler->sendServiceException( QgsMapServiceException( "OperationNotSupported", "Please check the value of the REQUEST parameter" ) );
292
        delete theRequestHandler;
293
        delete theServer;
294
        continue;
295
      }
296

  
297
      if ( requestIt->second == "GetCapabilities" )
298
      {
299
        QDomDocument capabilitiesDocument;
300
        try
301
        {
302
          capabilitiesDocument = theServer->getCapabilities();
303
        }
304
        catch ( QgsMapServiceException& ex )
305
        {
306
          theRequestHandler->sendServiceException( ex );
307
          delete theRequestHandler;
308
          delete theServer;
309
          continue;
310
        }
311
        QgsMSDebugMsg( "sending GetCapabilities response" );
312
        theRequestHandler->sendGetCapabilitiesResponse( capabilitiesDocument );
313
        delete theRequestHandler;
314
        delete theServer;
315
        continue;
316
      }
317
      else if ( requestIt->second == "DescribeFeatureType" )
318
      {
319
        QDomDocument describeDocument;
320
        try
321
        {
322
          describeDocument = theServer->describeFeatureType();
323
        }
324
        catch ( QgsMapServiceException& ex )
325
        {
326
          theRequestHandler->sendServiceException( ex );
327
          delete theRequestHandler;
328
          delete theServer;
329
          continue;
330
        }
331
        QgsMSDebugMsg( "sending GetCapabilities response" );
332
        theRequestHandler->sendGetCapabilitiesResponse( describeDocument );
333
        delete theRequestHandler;
334
        delete theServer;
335
        continue;
336
      }
337
      else if ( requestIt->second == "GetFeature" )
338
      {
339
        //output format for GetFeature
340
        QString outputFormat;
341
        std::map<QString, QString>::const_iterator p_it = parameterMap.find( "OUTPUTFORMAT" );
342
        if ( p_it != parameterMap.end() )
343
        {
344
          outputFormat = p_it->second;
345
        }
346

  
347
        try
348
        {
349
          if ( theServer->getFeature( *theRequestHandler, outputFormat ) != 0 )
350
          {
351
            delete theRequestHandler;
352
            delete theServer;
353
            continue;
354
          } else {
355
            delete theRequestHandler;
356
            delete theServer;
357
            continue;
358
          }
359
        }
360
        catch ( QgsMapServiceException& ex )
361
        {
362
          theRequestHandler->sendServiceException( ex );
363
          delete theRequestHandler;
364
          delete theServer;
365
          continue;
366
        }
367
      }
368

  
369
      return 0;
370
    } 
371
    else 
372
    {
267 373
    try
268 374
    {
269 375
      theServer = new QgsWMSServer( parameterMap, theMapRenderer );
......
273 379
      theRequestHandler->sendServiceException( e );
274 380
      continue;
275 381
    }
382
    }
276 383

  
277 384
    theServer->setAdminConfigParser( adminConfigParser );
278 385

  
src/mapserver/qgsconfigparser.h
40 40
    /**Adds layer and style specific capabilities elements to the parent node. This includes the individual layers and styles, their description, native CRS, bounding boxes, etc.*/
41 41
    virtual void layersAndStylesCapabilities( QDomElement& parentElement, QDomDocument& doc ) const = 0;
42 42

  
43
    virtual void featureTypeList( QDomElement& parentElement, QDomDocument& doc ) const = 0;
44

  
43 45
    /**Returns one or possibly several maplayers for a given layer name and style. If there are several layers, the layers should be drawn in inverse list order.
44 46
       If no layers/style are found, an empty list is returned*/
45 47
    virtual QList<QgsMapLayer*> mapLayerFromStyle( const QString& layerName, const QString& styleName, bool allowCaching = true ) const = 0;
src/mapserver/qgsgetrequesthandler.cpp
11 11
#include <QImage>
12 12
#include <QStringList>
13 13
#include <QUrl>
14
#include <fcgi_stdio.h>
14 15

  
15 16
QgsGetRequestHandler::QgsGetRequestHandler(): QgsHttpRequestHandler()
16 17
{
......
306 307
{
307 308
  sendHttpResponse( ba, formatToMimeType( mFormat ) );
308 309
}
310

  
311
bool QgsGetRequestHandler::startGetFeatureResponse( QByteArray* ba, const QString& infoFormat ) const
312
{
313
  if ( !ba )
314
  {
315
    return false;
316
  }
317

  
318
  if ( ba->size() < 1 )
319
  {
320
    return false;
321
  }
322

  
323
  QString format;
324
  if (infoFormat == "GeoJSON")
325
    format = "text/plain";
326
  else
327
    format = "text/xml";
328

  
329
  printf( "Content-Type: " );
330
  printf( format.toLocal8Bit() );
331
  printf( "\n" );
332
  printf( "\n" );
333
  fwrite( ba->data(), ba->size(), 1, FCGI_stdout );
334
  return true;
335
}
336

  
337
void QgsGetRequestHandler::sendGetFeatureResponse( QByteArray* ba ) const
338
{
339
  if ( !ba )
340
  {
341
    return;
342
  }
343

  
344
  if ( ba->size() < 1 )
345
  {
346
    return;
347
  }
348
  fwrite( ba->data(), ba->size(), 1, FCGI_stdout );
349
}
350

  
351
void QgsGetRequestHandler::endGetFeatureResponse( QByteArray* ba ) const
352
{
353
  if ( !ba )
354
  {
355
    return;
356
  }
357

  
358
  fwrite( ba->data(), ba->size(), 1, FCGI_stdout );
359
}
src/mapserver/qgsgetrequesthandler.h
30 30
    void sendServiceException( const QgsMapServiceException& ex ) const;
31 31
    void sendGetStyleResponse( const QDomDocument& doc ) const;
32 32
    void sendGetPrintResponse( QByteArray* ba ) const;
33
    bool startGetFeatureResponse( QByteArray* ba, const QString& infoFormat ) const;
34
    void sendGetFeatureResponse( QByteArray* ba ) const;
35
    void endGetFeatureResponse( QByteArray* ba ) const;
33 36
};
src/mapserver/qgsprojectparser.cpp
115 115
  parentElement.appendChild( layerParentElem );
116 116
}
117 117

  
118
void QgsProjectParser::featureTypeList( QDomElement& parentElement, QDomDocument& doc ) const
119
{
120
  QList<QDomElement> layerElems = projectLayerElements();
121

  
122
  QStringList nonIdentifiableLayers = identifyDisabledLayers();
123

  
124
  if ( layerElems.size() < 1 )
125
  {
126
    return;
127
  }
128

  
129
  QMap<QString, QgsMapLayer *> layerMap;
130

  
131
  QList<QDomElement>::const_iterator layerIt = layerElems.constBegin();
132
  for ( ; layerIt != layerElems.constEnd(); ++layerIt )
133
  { 
134
    QDomElement elem = *layerIt;
135
    QString type = elem.attribute( "type" );
136
    if ( type == "vector" )
137
    {
138
      QgsMapLayer *layer = createLayerFromElement( *layerIt );
139
      if ( layer )
140
      {
141
        QgsMSDebugMsg( QString( "add layer %1 to map" ).arg( layer->id() ) );
142
        layerMap.insert( layer->id(), layer );
143

  
144
        QDomElement layerElem = doc.createElement( "FeatureType" );
145
        QDomElement nameElem = doc.createElement( "Name" );
146
        //We use the layer name even though it might not be unique.
147
        //Because the id sometimes contains user/pw information and the name is more descriptive
148
        QDomText nameText = doc.createTextNode( layer->name() );
149
        nameElem.appendChild( nameText );
150
        layerElem.appendChild( nameElem );
151

  
152
        QDomElement titleElem = doc.createElement( "Title" );
153
        QDomText titleText = doc.createTextNode( layer->name() );
154
        titleElem.appendChild( titleText );
155
        layerElem.appendChild( titleElem );
156

  
157
        //appendExGeographicBoundingBox( layerElem, doc, layer->extent(), layer->crs() );
158

  
159
        QDomElement srsElem = doc.createElement( "SRS" );
160
        QDomText srsText = doc.createTextNode( layer->crs().authid() );
161
        srsElem.appendChild( srsText );
162
        layerElem.appendChild( srsElem );
163

  
164
        QgsRectangle layerExtent = layer->extent();
165
        QDomElement bBoxElement = doc.createElement( "LatLongBoundingBox" );
166
        bBoxElement.setAttribute( "minx", QString::number( layerExtent.xMinimum() ) );
167
        bBoxElement.setAttribute( "miny", QString::number( layerExtent.yMinimum() ) );
168
        bBoxElement.setAttribute( "maxx", QString::number( layerExtent.xMaximum() ) );
169
        bBoxElement.setAttribute( "maxy", QString::number( layerExtent.yMaximum() ) );
170
        layerElem.appendChild( bBoxElement );
171

  
172
        parentElement.appendChild(layerElem);
173
      }
174
#if QGSMSDEBUG
175
      else
176
      {
177
        QString buf;
178
        QTextStream s( &buf );
179
        layerIt->save( s, 0 );
180
        QgsMSDebugMsg( QString( "layer %1 not found" ).arg( buf ) );
181
      }
182
#endif
183
    }
184
  }
185
  return;
186
}
187

  
118 188
void QgsProjectParser::addLayers( QDomDocument &doc,
119 189
                                  QDomElement &parentElem,
120 190
                                  const QDomElement &legendElem,
src/mapserver/qgsprojectparser.h
38 38
    /**Adds layer and style specific capabilities elements to the parent node. This includes the individual layers and styles, their description, native CRS, bounding boxes, etc.*/
39 39
    virtual void layersAndStylesCapabilities( QDomElement& parentElement, QDomDocument& doc ) const;
40 40

  
41
    virtual void featureTypeList( QDomElement& parentElement, QDomDocument& doc ) const;
42

  
41 43
    int numberOfLayers() const;
42 44

  
43 45
    /**Returns one or possibly several maplayers for a given layer name and style. If no layers/style are found, an empty list is returned*/
src/mapserver/qgsrequesthandler.h
41 41
    virtual void sendServiceException( const QgsMapServiceException& ex ) const = 0;
42 42
    virtual void sendGetStyleResponse( const QDomDocument& doc ) const = 0;
43 43
    virtual void sendGetPrintResponse( QByteArray* ba ) const = 0;
44
    virtual void sendGetFeatureResponse( QByteArray* ba, const QString& infoFormat ) const = 0;
44 45
    QString format() const { return mFormat; }
45 46
  protected:
46 47
    /**This is set by the parseInput methods of the subclasses (parameter FORMAT, e.g. 'FORMAT=PNG')*/
src/mapserver/qgssldparser.h
57 57
    /**Adds layer and style specific capabilities elements to the parent node. This includes the individual layers and styles, their description, native CRS, bounding boxes, etc.*/
58 58
    void layersAndStylesCapabilities( QDomElement& parentElement, QDomDocument& doc ) const;
59 59

  
60
    void featureTypeList( QDomElement& parentElement, QDomDocument& doc ) const {};
61

  
60 62
    /**Returns number of layers in configuration*/
61 63
    int numberOfLayers() const;
62 64

  
src/mapserver/qgssoaprequesthandler.h
35 35
    void sendServiceException( const QgsMapServiceException& ex ) const;
36 36
    void sendGetStyleResponse( const QDomDocument& doc ) const;
37 37
    void sendGetPrintResponse( QByteArray* ba ) const;
38
    bool startGetFeatureResponse( QByteArray* ba, const QString& infoFormat ) const { return false; };
39
    void sendGetFeatureResponse( QByteArray* ba ) const {};
40
    void endGetFeatureResponse( QByteArray* ba ) const {};
38 41
  private:
39 42
    /**Parses the xml of a getMap request and fills the parameters into the map. Returns 0 in case of success*/
40 43
    int parseGetMapElement( std::map<QString, QString>& parameterMap, const QDomElement& getMapElement ) const;
src/mapserver/qgswfsserver.cpp
1
#include "qgswfsserver.h"
2
#include "qgsconfigparser.h"
3
#include "qgsepsgcache.h"
4
#include "qgsfield.h"
5
#include "qgsgeometry.h"
6
#include "qgsmaplayer.h"
7
#include "qgsmaplayerregistry.h"
8
#include "qgsmaprenderer.h"
9
#include "qgsmaptopixel.h"
10
#include "qgspallabeling.h"
11
#include "qgsproject.h"
12
#include "qgsrasterlayer.h"
13
#include "qgsscalecalculator.h"
14
#include "qgscoordinatereferencesystem.h"
15
#include "qgsvectordataprovider.h"
16
#include "qgsvectorlayer.h"
17
#include "qgsfilter.h"
18
#include "qgsmapserverlogger.h"
19
#include "qgsmapserviceexception.h"
20
#include "qgssldparser.h"
21
#include "qgssymbol.h"
22
#include "qgssymbolv2.h"
23
#include "qgsrenderer.h"
24
#include "qgslegendmodel.h"
25
#include "qgscomposerlegenditem.h"
26
#include "qgslogger.h"
27
#include "qgsrequesthandler.h"
28
#include <QImage>
29
#include <QPainter>
30
#include <QStringList>
31
#include <QTextStream>
32
#include <QDir>
33

  
34
//for printing
35
#include "qgscomposition.h"
36
#include <QBuffer>
37
#include <QPrinter>
38
#include <QSvgGenerator>
39
#include <QUrl>
40
#include <QPaintEngine>
41

  
42
QgsWFSServer::QgsWFSServer( std::map<QString, QString> parameters )
43
    : mParameterMap( parameters )
44
    , mConfigParser( 0 )
45
{
46
}
47

  
48
QgsWFSServer::~QgsWFSServer()
49
{
50
}
51

  
52
QgsWFSServer::QgsWFSServer()
53
{
54
}
55

  
56
QDomDocument QgsWFSServer::getCapabilities()
57
{
58
  QgsMSDebugMsg( "Entering." );
59
  QDomDocument doc;
60
  //wfs:WFS_Capabilities element
61
  QDomElement wfsCapabilitiesElement = doc.createElement( "WFS_Capabilities"/*wms:WFS_Capabilities*/ );
62
  wfsCapabilitiesElement.setAttribute( "xmlns", "http://www.opengis.net/wfs" );
63
  wfsCapabilitiesElement.setAttribute( "xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance" );
64
  wfsCapabilitiesElement.setAttribute( "xsi:schemaLocation", "http://www.opengis.net/wfs http://schemas.opengis.net/wfs/1.0.0/wfs.xsd" );
65
  wfsCapabilitiesElement.setAttribute( "xmlns:ogc", "http://www.opengis.net/ogc" );
66
  wfsCapabilitiesElement.setAttribute( "xmlns:gml", "http://www.opengis.net/gml" );
67
  wfsCapabilitiesElement.setAttribute( "xmlns:ows", "http://www.opengis.net/ows" );
68
  wfsCapabilitiesElement.setAttribute( "xmlns:xlink", "http://www.w3.org/1999/xlink" );
69
  wfsCapabilitiesElement.setAttribute( "version", "1.0.0" );
70
  wfsCapabilitiesElement.setAttribute( "updateSequence", "0" );
71
  doc.appendChild( wfsCapabilitiesElement );
72

  
73
  if ( mConfigParser )
74
  {
75
    mConfigParser->serviceCapabilities( wfsCapabilitiesElement, doc );
76
  }
77

  
78
  //wfs:Capability element
79
  QDomElement capabilityElement = doc.createElement( "Capability"/*wfs:Capability*/ );
80
  wfsCapabilitiesElement.appendChild( capabilityElement );
81
  
82
  //wfs:Request element
83
  QDomElement requestElement = doc.createElement( "Request"/*wfs:Request*/ );
84
  capabilityElement.appendChild( requestElement );
85
  //wfs:GetCapabilities
86
  QDomElement getCapabilitiesElement = doc.createElement( "GetCapabilities"/*wfs:GetCapabilities*/ );
87
  requestElement.appendChild( getCapabilitiesElement );
88
  QDomElement capabilitiesFormatElement = doc.createElement( "Format" );/*wfs:Format*/
89
  getCapabilitiesElement.appendChild( capabilitiesFormatElement );
90
  QDomText capabilitiesFormatText = doc.createTextNode( "text/xml" );
91
  capabilitiesFormatElement.appendChild( capabilitiesFormatText );
92

  
93
  QDomElement dcpTypeElement = doc.createElement( "DCPType"/*wfs:DCPType*/ );
94
  getCapabilitiesElement.appendChild( dcpTypeElement );
95
  QDomElement httpElement = doc.createElement( "HTTP"/*wfs:HTTP*/ );
96
  dcpTypeElement.appendChild( httpElement );
97

  
98
  //Prepare url
99
  //Some client requests already have http://<SERVER_NAME> in the REQUEST_URI variable
100
  QString hrefString;
101
  QString requestUrl = getenv( "REQUEST_URI" );
102
  QUrl mapUrl( requestUrl );
103
  mapUrl.setHost( QString( getenv( "SERVER_NAME" ) ) );
104
  mapUrl.removeQueryItem( "REQUEST" );
105
  mapUrl.removeQueryItem( "VERSION" );
106
  mapUrl.removeQueryItem( "SERVICE" );
107
  hrefString = mapUrl.toString();
108

  
109
  //only Get supported for the moment
110
  QDomElement getElement = doc.createElement( "Get"/*wfs:Get*/ );
111
  httpElement.appendChild( getElement );
112
  QDomElement olResourceElement = doc.createElement( "OnlineResource"/*wfs:OnlineResource*/ );
113
  olResourceElement.setAttribute( "xlink:type", "simple" );
114
  requestUrl.truncate( requestUrl.indexOf( "?" ) + 1 );
115
  olResourceElement.setAttribute( "xlink:href", hrefString );
116
  getElement.appendChild( olResourceElement );
117

  
118
  //wfs:DescribeFeatureType
119
  QDomElement describeFeatureTypeElement = doc.createElement( "DescribeFeatureType"/*wfs:DescribeFeatureType*/ );
120
  requestElement.appendChild( describeFeatureTypeElement );
121
  QDomElement schemaDescriptionLanguageElement = doc.createElement( "SchemaDescriptionLanguage"/*wfs:SchemaDescriptionLanguage*/ );
122
  describeFeatureTypeElement.appendChild( schemaDescriptionLanguageElement );
123
  QDomElement xmlSchemaElement = doc.createElement( "XMLSCHEMA"/*wfs:XMLSCHEMA*/ );
124
  schemaDescriptionLanguageElement.appendChild( xmlSchemaElement );
125
  QDomElement describeFeatureTypeDhcTypeElement = dcpTypeElement.cloneNode().toElement();//this is the same as for 'GetCapabilities'
126
  describeFeatureTypeElement.appendChild( describeFeatureTypeDhcTypeElement );
127

  
128
  //wfs:GetFeature
129
  QDomElement getFeatureElement = doc.createElement( "GetFeature"/*wfs:GetFeature*/ );
130
  requestElement.appendChild( getFeatureElement );
131
  QDomElement getFeatureFormatElement = doc.createElement( "ResultFormat" );/*wfs:ResultFormat*/
132
  getFeatureElement.appendChild( getFeatureFormatElement );
133
  QDomElement gmlFormatElement = doc.createElement( "GML2" );/*wfs:GML2*/
134
  getFeatureFormatElement.appendChild( gmlFormatElement );
135
  QDomElement geojsonFormatElement = doc.createElement( "GeoJSON" );/*wfs:GeoJSON*/
136
  getFeatureFormatElement.appendChild( geojsonFormatElement );
137
  QDomElement getFeatureDhcTypeElement = dcpTypeElement.cloneNode().toElement();//this is the same as for 'GetCapabilities'
138
  getFeatureElement.appendChild( getFeatureDhcTypeElement );
139

  
140
  //wfs:FeatureTypeList element
141
  QDomElement featureTypeListElement = doc.createElement( "FeatureTypeList"/*wfs:FeatureTypeList*/ );
142
  capabilityElement.appendChild( featureTypeListElement );
143
  //wfs:Operations element
144
  QDomElement operationsElement = doc.createElement( "Operations"/*wfs:Operations*/ );
145
  featureTypeListElement.appendChild( operationsElement );
146
  //wfs:Query element
147
  QDomElement queryElement = doc.createElement( "Query"/*wfs:Query*/ );
148
  operationsElement.appendChild( queryElement );
149
  /*
150
   * Adding layer liste in featureTypeListElement
151
   */
152
  if ( mConfigParser )
153
  {
154
    mConfigParser->featureTypeList( featureTypeListElement, doc );
155
  }
156

  
157
  /*
158
   * Adding ogc:Filter_Capabilities in capabilityElement
159
   */
160
  //ogc:Filter_Capabilities element
161
  QDomElement filterCapabilitiesElement = doc.createElement( "ogc:Filter_Capabilities"/*ogc:Filter_Capabilities*/ );
162
  capabilityElement.appendChild( filterCapabilitiesElement );
163
  QDomElement spatialCapabilitiesElement = doc.createElement( "ogc:Spatial_Capabilities"/*ogc:Spatial_Capabilities*/ );
164
  filterCapabilitiesElement.appendChild( spatialCapabilitiesElement );
165
  QDomElement spatialOperatorsElement = doc.createElement( "ogc:Spatial_Operators"/*ogc:Spatial_Operators*/ );
166
  spatialCapabilitiesElement.appendChild( spatialOperatorsElement );
167
  QDomElement ogcBboxElement = doc.createElement( "ogc:BBOX"/*ogc:BBOX*/ );
168
  spatialOperatorsElement.appendChild( ogcBboxElement );
169
  QDomElement scalarCapabilitiesElement = doc.createElement( "ogc:Scalar_Capabilities"/*ogc:Scalar_Capabilities*/ );
170
  filterCapabilitiesElement.appendChild( scalarCapabilitiesElement );
171
  QDomElement comparisonOperatorsElement = doc.createElement( "ogc:Comparison_Operators"/*ogc:Comparison_Operators*/ );
172
  scalarCapabilitiesElement.appendChild( comparisonOperatorsElement );
173
  QDomElement simpleComparisonsElement = doc.createElement( "ogc:Simple_Comparisons"/*ogc:Simple_Comparisons*/ );
174
  comparisonOperatorsElement.appendChild( simpleComparisonsElement );
175
  return doc;
176
}
177

  
178
QDomDocument QgsWFSServer::describeFeatureType()
179
{
180
  QgsMSDebugMsg( "Entering." );
181
  QDomDocument doc;
182
  //xsd:schema
183
  QDomElement schemaElement = doc.createElement( "schema"/*xsd:schema*/ );
184
  schemaElement.setAttribute( "xmlns", "http://www.w3.org/2001/XMLSchema" );
185
  schemaElement.setAttribute( "xmlns:xsd", "http://www.w3.org/2001/XMLSchema" );
186
  schemaElement.setAttribute( "xmlns:ogc", "http://www.opengis.net/ogc" );
187
  schemaElement.setAttribute( "xmlns:gml", "http://www.opengis.net/gml" );
188
  schemaElement.setAttribute( "xmlns:qgs", "http://www.qgis.org/gml" );
189
  schemaElement.setAttribute( "targetNamespace", "http://www.qgis.org/gml" );
190
  doc.appendChild( schemaElement );
191

  
192
  //xsd:import
193
  QDomElement importElement = doc.createElement( "import"/*xsd:import*/ );
194
  importElement.setAttribute( "namespace", "http://www.opengis.net/gml" );
195
  importElement.setAttribute( "schemaLocation", "http://schemas.opengis.net/gml/2.1.2/feature.xsd" );
196
  schemaElement.appendChild( importElement );
197

  
198
  //read TYPENAME
199
  QString typeName;
200
  std::map<QString, QString>::const_iterator type_name_it = mParameterMap.find( "TYPENAME" );
201
  if ( type_name_it != mParameterMap.end() )
202
  {
203
    typeName = type_name_it->second;
204
  }
205
  else
206
  {
207
    return doc;
208
  }
209

  
210
  QStringList nonIdentifiableLayers = mConfigParser->identifyDisabledLayers();
211
  QMap< QString, QMap< int, QString > > aliasInfo = mConfigParser->layerAliasInfo();
212
  QMap< QString, QSet<QString> > hiddenAttributes = mConfigParser->hiddenAttributes();
213
  
214
  QList<QgsMapLayer*> layerList;
215
  QgsMapLayer* currentLayer = 0;
216

  
217
  layerList = mConfigParser->mapLayerFromStyle( typeName, "" );
218
  currentLayer = layerList.at( 0 );
219
  
220
  QgsVectorLayer* layer = dynamic_cast<QgsVectorLayer*>( currentLayer );
221
  if ( layer )
222
  {
223
    //is there alias info for this vector layer?
224
    QMap< int, QString > layerAliasInfo;
225
    QMap< QString, QMap< int, QString > >::const_iterator aliasIt = aliasInfo.find( currentLayer->id() );
226
    if ( aliasIt != aliasInfo.constEnd() )
227
    {
228
      layerAliasInfo = aliasIt.value();
229
    }
230

  
231
    //hidden attributes for this layer
232
    QSet<QString> layerHiddenAttributes;
233
    QMap< QString, QSet<QString> >::const_iterator hiddenIt = hiddenAttributes.find( currentLayer->id() );
234
    if ( hiddenIt != hiddenAttributes.constEnd() )
235
    {
236
      layerHiddenAttributes = hiddenIt.value();
237
    }
238
    
239
    //do a select with searchRect and go through all the features
240
    QgsVectorDataProvider* provider = layer->dataProvider();
241
    if ( !provider )
242
    {
243
      return doc;
244
    }
245

  
246
    typeName = typeName.replace( QString(" "), QString("_") );
247
    
248
    //xsd:element
249
    QDomElement elementElem = doc.createElement( "element"/*xsd:element*/ );
250
    elementElem.setAttribute( "name", typeName );
251
    elementElem.setAttribute( "type", "qgs:" + typeName + "Type" );
252
    elementElem.setAttribute( "substitutionGroup", "gml:_Feature" );
253
    schemaElement.appendChild( elementElem );
254

  
255
    //xsd:complexType
256
    QDomElement complexTypeElem = doc.createElement( "complexType"/*xsd:complexType*/ );
257
    complexTypeElem.setAttribute( "name", typeName + "Type" );
258
    schemaElement.appendChild( complexTypeElem );
259

  
260
    //xsd:complexType
261
    QDomElement complexContentElem = doc.createElement( "complexContent"/*xsd:complexContent*/ );
262
    complexTypeElem.appendChild( complexContentElem );
263

  
264
    //xsd:extension
265
    QDomElement extensionElem = doc.createElement( "extension"/*xsd:extension*/ );
266
    extensionElem.setAttribute( "base", "gml:AbstractFeatureType" );
267
    complexContentElem.appendChild( extensionElem );
268

  
269
    //xsd:sequence
270
    QDomElement sequenceElem = doc.createElement( "sequence"/*xsd:sequence*/ );
271
    extensionElem.appendChild( sequenceElem );
272

  
273
    //xsd:element
274
    QDomElement geomElem = doc.createElement( "element"/*xsd:element*/ );
275
    geomElem.setAttribute( "name", "geometry" );
276
    geomElem.setAttribute( "type", "gml:GeometryPropertyType" );
277
    geomElem.setAttribute( "minOccurs", "0" );
278
    geomElem.setAttribute( "maxOccurs", "1" );
279
    sequenceElem.appendChild( geomElem );
280

  
281
    const QgsFieldMap& fields = provider->fields();
282
    for ( QgsFieldMap::const_iterator it = fields.begin(); it != fields.end(); ++it )
283
    {
284

  
285
      QString attributeName = it.value().name();
286
      //skip attribute if it has edit type 'hidden'
287
      if ( layerHiddenAttributes.contains( attributeName ) )
288
      {
289
        continue;
290
      }
291

  
292
      //check if the attribute name should be replaced with an alias
293
      QMap<int, QString>::const_iterator aliasIt = layerAliasInfo.find( it.key() );
294
      if ( aliasIt != layerAliasInfo.constEnd() )
295
      {
296
        attributeName = aliasIt.value();
297
      }
298

  
299
      //xsd:element
300
      QDomElement geomElem = doc.createElement( "element"/*xsd:element*/ );
301
      geomElem.setAttribute( "name", attributeName );
302
      if ( it.value().type() == 2 )
303
        geomElem.setAttribute( "type", "integer" );
304
      else if ( it.value().type() == 6 )
305
        geomElem.setAttribute( "type", "double" );
306
      else
307
        geomElem.setAttribute( "type", "string" );
308

  
309
      sequenceElem.appendChild( geomElem );
310

  
311
    }
312
  }
313

  
314
  return doc;
315
}
316

  
317
int QgsWFSServer::getFeature( QgsRequestHandler& request, const QString& format )
318
{
319
  QByteArray result;
320
  QgsMSDebugMsg( "Info format is:" + infoFormat );
321

  
322
  //read TYPENAME
323
  QString typeName;
324
  std::map<QString, QString>::const_iterator type_name_it = mParameterMap.find( "TYPENAME" );
325
  if ( type_name_it != mParameterMap.end() )
326
  {
327
    typeName = type_name_it->second;
328
  }
329
  else
330
  {
331
    return 1;
332
  }
333

  
334
  QStringList nonIdentifiableLayers = mConfigParser->identifyDisabledLayers();
335
  QMap< QString, QMap< int, QString > > aliasInfo = mConfigParser->layerAliasInfo();
336
  QMap< QString, QSet<QString> > hiddenAttributes = mConfigParser->hiddenAttributes();
337
  
338
  QList<QgsMapLayer*> layerList;
339
  QgsMapLayer* currentLayer = 0;
340

  
341
  layerList = mConfigParser->mapLayerFromStyle( typeName, "" );
342
  currentLayer = layerList.at( 0 );
343
  
344
  QgsVectorLayer* layer = dynamic_cast<QgsVectorLayer*>( currentLayer );
345
  if ( layer )
346
  {
347
    //is there alias info for this vector layer?
348
    QMap< int, QString > layerAliasInfo;
349
    QMap< QString, QMap< int, QString > >::const_iterator aliasIt = aliasInfo.find( currentLayer->id() );
350
    if ( aliasIt != aliasInfo.constEnd() )
351
    {
352
      layerAliasInfo = aliasIt.value();
353
    }
354

  
355
    //hidden attributes for this layer
356
    QSet<QString> layerHiddenAttributes;
357
    QMap< QString, QSet<QString> >::const_iterator hiddenIt = hiddenAttributes.find( currentLayer->id() );
358
    if ( hiddenIt != hiddenAttributes.constEnd() )
359
    {
360
      layerHiddenAttributes = hiddenIt.value();
361
    }
362
    
363
    //do a select with searchRect and go through all the features
364
    QgsVectorDataProvider* provider = layer->dataProvider();
365
    if ( !provider )
366
    {
367
      return 2;
368
    }
369

  
370
    QgsFeature feature;
371
    QgsAttributeMap featureAttributes;
372
    const QgsFieldMap& fields = provider->fields();
373

  
374
    //map extent
375
    QgsRectangle searchRect = layer->extent();
376

  
377
    //read FEATUREDID
378
    bool fidOk = false;
379
    QString fid;
380
    std::map<QString, QString>::const_iterator fidIt = mParameterMap.find( "FEATUREID" );
381
    if ( fidIt != mParameterMap.end() ) {
382
      fidOk = true;
383
      fid = fidIt->second;
384
    }
385

  
386
    //read FILTER
387
    bool filterOk = false;
388
    QDomDocument filter;
389
    std::map<QString, QString>::const_iterator filterIt = mParameterMap.find( "FILTER" );
390
    if ( filterIt != mParameterMap.end() ) {
391
      try {
392
      QString errorMsg;
393
      if ( !filter.setContent( filterIt->second, true, &errorMsg ) )
394
      {
395
        QgsMSDebugMsg( "soap request parse error" );
396
        QgsMSDebugMsg( "error message: " + errorMsg );
397
        QgsMSDebugMsg( "the xml string was:" );
398
        QgsMSDebugMsg( filterIt->second );
399
      }
400
      else 
401
      {
402
        filterOk = true;
403
      }
404
      } catch(QgsMapServiceException& e ) {
405
        filterOk = false;
406
      }
407
    }
408

  
409
    //read BBOX
410
    bool conversionSuccess;
411
    double minx, miny, maxx, maxy;
412
    bool bboxOk = false;
413
    std::map<QString, QString>::const_iterator bbIt = mParameterMap.find( "BBOX" );
414
    if ( bbIt == mParameterMap.end() )
415
    {
416
      minx = 0; miny = 0; maxx = 0; maxy = 0;
417
    }
418
    else
419
    {
420
      bboxOk = true;
421
      QString bbString = bbIt->second;
422
      minx = bbString.section( ",", 0, 0 ).toDouble( &conversionSuccess );
423
      if ( !conversionSuccess ) {bboxOk = false;}
424
      miny = bbString.section( ",", 1, 1 ).toDouble( &conversionSuccess );
425
      if ( !conversionSuccess ) {bboxOk = false;}
426
      maxx = bbString.section( ",", 2, 2 ).toDouble( &conversionSuccess );
427
      if ( !conversionSuccess ) {bboxOk = false;}
428
      maxy = bbString.section( ",", 3, 3 ).toDouble( &conversionSuccess );
429
      if ( !conversionSuccess ) {bboxOk = false;}
430
    }
431

  
432
    //read MAXFEATURES
433
    long maxFeat = layer->featureCount();
434
    long featureCounter = 0;
435
    std::map<QString, QString>::const_iterator mfIt = mParameterMap.find( "MAXFEATURES" );
436
    if ( mfIt != mParameterMap.end() )
437
    {
438
       QString mfString = mfIt->second;
439
       bool mfOk;
440
       maxFeat = mfString.toLong(&mfOk, 10);
441
       if ( !mfOk ) { maxFeat = layer->featureCount(); }
442
    }
443

  
444
    //read PROPERTYNAME
445
    bool withGeom = true;
446
    QgsAttributeList attrIndexes = provider->attributeIndexes();
447
    std::map<QString, QString>::const_iterator pnIt = mParameterMap.find( "PROPERTYNAME" );
448
    if ( pnIt != mParameterMap.end() )
449
    {
450
       QStringList attrList = pnIt->second.split( "," );
451
       if ( attrList.size() > 0 )
452
       {
453
         withGeom = false;
454
         QStringList::const_iterator alstIt;
455
         QList<int> idxList;
456
         QMap<QString, int> fieldMap = provider->fieldNameMap();
457
         QMap<QString, int>::const_iterator fieldIt;
458
         QString fieldName;
459
         for ( alstIt = attrList.begin(); alstIt != attrList.end(); ++alstIt )
460
         {
461
           fieldName = *alstIt;
462
           fieldIt = fieldMap.find( fieldName );
463
           if ( fieldIt != fieldMap.end() )
464
           {
465
             idxList.append( fieldIt.value() );
466
           }
467
           else if ( fieldName == "geometry" )
468
           {
469
             withGeom = true;
470
           }
471
         }
472
         if ( idxList.size() > 0 || withGeom)
473
         {
474
           attrIndexes = idxList;
475
         }
476
         else
477
         {
478
           withGeom = true;
479
         }
480
       }
481
    }
482

  
483
    QList<QgsFeature> featureList;
484
    if ( fidOk )
485
    {
486
      provider->featureAtId(  fid.toInt(), feature, withGeom, attrIndexes );
487
      featureList.append(feature);
488
    }
489
    else if ( filterOk )
490
    {
491
      provider->select( attrIndexes, searchRect, withGeom, true );
492
      try {
493
        QgsFilter* mFilter = QgsFilter::createFilterFromXml( filter.firstChild().toElement().firstChild().toElement(), layer );
494
        while ( provider->nextFeature( feature ) && featureCounter < maxFeat)
495
        {
496
          if ( mFilter )
497
          {
498
            if ( mFilter->evaluate( feature ) )
499
            {
500
              featureList.append(feature);
501
              ++featureCounter;
502
            }
503
          }
504
          else
505
          {
506
            featureList.append(feature);
507
            ++featureCounter;
508
          }
509
        }
510
        delete mFilter;
511
      } catch(QgsMapServiceException& e ) {
512
        while ( provider->nextFeature( feature )  && featureCounter < maxFeat)
513
        {
514
          featureList.append(feature);
515
          ++featureCounter;
516
        }
517
      }
518
    }
519
    else
520
    {
521
      if ( bboxOk )
522
        searchRect.set( minx, miny, maxx, maxy );
523
      provider->select( attrIndexes, searchRect, withGeom, true );
524
      while ( provider->nextFeature( feature )  && featureCounter < maxFeat )
525
      {
526
        featureList.append(feature);
527
        ++featureCounter;
528
      }
529
    }
530
    QList<QgsFeature>::const_iterator featureIt = featureList.constBegin();
531

  
532
    QString fcString;
533
    if ( format == "GeoJSON" )
534
    {
535
      featureCounter = 0;
536

  
537
      fcString = "{\"type\": \"FeatureCollection\",\n";
538
      fcString += " \"features\": [\n";
539
      result = fcString.toUtf8();
540
      request.startGetFeatureResponse(&result, format);
541
      fcString = "";
542

  
543
      for ( ; featureIt != featureList.constEnd(); ++featureIt )
544
      {
545
        feature = *featureIt;
546
        if (featureCounter == 0)
547
          fcString += "  {\"type\": \"Feature\",\n";
548
        else
549
          fcString += " ,{\"type\": \"Feature\",\n";
550

  
551
        fcString += "   \"id\": ";
552
        fcString +=  QString::number( feature.id() );
553
        fcString += ",\n";
554

  
555
        QgsGeometry* geom = feature.geometry();
556
        if ( geom && withGeom )
557
        {
558
          fcString += "  \"geometry\": ";
559
          fcString += geom->exportToGeoJSON();
560
          fcString += ",\n";
561
        }
562

  
563
        fcString += "   \"properties\": {\n";
564

  
565
        //read all attribute values from the feature
566
        featureAttributes = feature.attributeMap();
567
        int attributeCounter = 0;
568
        for ( QgsAttributeMap::const_iterator it = featureAttributes.begin(); it != featureAttributes.end(); ++it )
569
        {
570

  
571
          QString attributeName = fields[it.key()].name();
572
          //skip attribute if it has edit type 'hidden'
573
          if ( layerHiddenAttributes.contains( attributeName ) )
574
          {
575
            continue;
576
          }
577

  
578
          //check if the attribute name should be replaced with an alias
579
          QMap<int, QString>::const_iterator aliasIt = layerAliasInfo.find( it.key() );
580
          if ( aliasIt != layerAliasInfo.constEnd() )
581
          {
582
            attributeName = aliasIt.value();
583
          }
584

  
585
          if (attributeCounter == 0)
586
            fcString += "    \"";
587
          else
588
            fcString += "   ,\"";
589
          fcString += attributeName;
590
          fcString += "\": ";
591
          if (it->type() == 6 || it->type() == 2) 
592
          {
593
            fcString +=  it->toString();
594
          }
595
          else
596
          {
597
            fcString += "\"";
598
            fcString +=  it->toString().replace( QString( "\"" ), QString( "\\\"" ) );
599
            fcString += "\"";
600
          }
601
          fcString += "\n";
602
          ++attributeCounter;
603
        }
604

  
605
        fcString += "   }\n";
606

  
607
        fcString += "  }";
608
        fcString += "\n";
609

  
610
        result = fcString.toUtf8();
611
        request.sendGetFeatureResponse( &result );
612
        fcString = "";
613

  
614
        ++featureCounter;
615
      }
616
      fcString = "";
617
      fcString += " ]\n";
618
      fcString += "}";
619

  
620
      result = fcString.toUtf8();
621
      request.endGetFeatureResponse( &result );
622
      fcString = "";
623
    }
624
    else
625
    {
626
      QDomDocument gmlDoc;
627
      //wfs:FeatureCollection
628
      fcString = "<wfs:FeatureCollection";
629
      fcString += " xmlns=\"http://www.opengis.net/wfs\"";
630
      fcString += " xmlns:wfs=\"http://www.opengis.net/wfs\"";
631
      fcString += " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"";
632
      fcString += " xsi:schemaLocation=\"http://www.opengis.net/wfs http://schemas.opengis.net/wfs/1.0.0/wfs.xsd\"";
633
      fcString += " xmlns:ogc=\"http://www.opengis.net/ogc\"";
634
      fcString += " xmlns:gml=\"http://www.opengis.net/gml\"";
635
      fcString += " xmlns:ows=\"http://www.opengis.net/ows\"";
636
      fcString += " xmlns:xlink=\"http://www.w3.org/1999/xlink\"";
637
      fcString += " xmlns:qgs=\"http://www.qgis.org/gml\"";
638
      fcString += ">";
639
      result = fcString.toUtf8();
640
      request.startGetFeatureResponse(&result, format);
641
      fcString = "";
642

  
643
      for ( ; featureIt != featureList.constEnd(); ++featureIt )
644
      {
645
        feature = *featureIt;
646
        //gml:FeatureMember
647
        QDomElement featureElement = gmlDoc.createElement( "gml:featureMember"/*wfs:FeatureMember*/ );
648
        gmlDoc.appendChild(featureElement);
649

  
650
        //qgs:%TYPENAME%
651
        QDomElement typeNameElement = gmlDoc.createElement( "qgs:"+typeName.replace( QString(" "), QString("_") )/*qgs:%TYPENAME%*/ );
652
        typeNameElement.setAttribute( "fid", QString::number( feature.id() ) );
653
        featureElement.appendChild(typeNameElement);
654

  
655
        if ( withGeom )
656
        {
657
          //add geometry column (as gml)
658
          QDomElement geomElem = gmlDoc.createElement( "qgs:geometry" );
659
          QDomElement gmlElem = createGeometryElem( feature.geometry(), gmlDoc );
660
          if ( !gmlElem.isNull() )
661
          {
662
            QgsCoordinateReferenceSystem layerCrs = layer->crs();
663
            if ( layerCrs.isValid() )
664
            {
665
              gmlElem.setAttribute( "srsName", layerCrs.authid() );
666
            }
667
            geomElem.appendChild( gmlElem );
668
            typeNameElement.appendChild( geomElem );
669
          }
670
        }
671

  
672
        //read all attribute values from the feature
673
        featureAttributes = feature.attributeMap();
674
        for ( QgsAttributeMap::const_iterator it = featureAttributes.begin(); it != featureAttributes.end(); ++it )
675
        {
676

  
677
          QString attributeName = fields[it.key()].name();
678
          //skip attribute if it has edit type 'hidden'
679
          if ( layerHiddenAttributes.contains( attributeName ) )
680
          {
681
            continue;
682
          }
683

  
684
          //check if the attribute name should be replaced with an alias
685
          QMap<int, QString>::const_iterator aliasIt = layerAliasInfo.find( it.key() );
686
          if ( aliasIt != layerAliasInfo.constEnd() )
687
          {
688
            attributeName = aliasIt.value();
689
          }
690
          
691
          QDomElement fieldElem = gmlDoc.createElement( "qgs:"+attributeName );
692
          QDomText fieldText = gmlDoc.createTextNode( it->toString() );
693
          fieldElem.appendChild( fieldText );
694
          typeNameElement.appendChild( fieldElem );
695
        }
696
        result = gmlDoc.toByteArray();
697
        request.sendGetFeatureResponse( &result );
698
        gmlDoc.removeChild(featureElement);
699
      }
700

  
701
      fcString = "</wfs:FeatureCollection>";
702
      result = fcString.toUtf8();
703
      request.endGetFeatureResponse( &result );
704
      fcString = "";
705
    }
706

  
707
  }
708
  else
709
  {
710
    return 2;
711
  }
712
  return 0;
713
}
714

  
715
QDomElement QgsWFSServer::createGeometryElem( QgsGeometry* geom, QDomDocument& doc ) /*const*/
716
{
717
  if ( !geom )
718
  {
719
    return QDomElement();
720
  }
721

  
722

  
723
  QDomElement geomElement;
724
  QString geomTypeName;
725
  QGis::WkbType wkbType = geom->wkbType();
726
  switch ( wkbType )
727
  {
728
    case QGis::WKBPoint:
729
    case QGis::WKBPoint25D:
730
      geomElement = createPointElem( geom, doc );
731
      break;
732
    case QGis::WKBMultiPoint:
733
    case QGis::WKBMultiPoint25D:
734
      geomElement = createMultiPointElem( geom, doc );
735
      break;
736
    case QGis::WKBLineString:
737
    case QGis::WKBLineString25D:
738
      geomElement = createLineStringElem( geom, doc );
739
      break;
740
    case QGis::WKBMultiLineString:
741
    case QGis::WKBMultiLineString25D:
742
      geomElement = createMultiLineStringElem( geom, doc );
743
      break;
744
    case QGis::WKBPolygon:
745
    case QGis::WKBPolygon25D:
746
      geomElement = createPolygonElem( geom, doc );
747
      break;
748
    case QGis::WKBMultiPolygon:
749
    case QGis::WKBMultiPolygon25D:
750
      geomElement = createMultiPolygonElem( geom, doc );
751
      break;
752
    default:
753
      return QDomElement();
754
  }
755
  return geomElement;
756
}
757

  
758
QDomElement QgsWFSServer::createLineStringElem( QgsGeometry* geom, QDomDocument& doc ) const
759
{
760
  if ( !geom )
761
  {
762
    return QDomElement();
763
  }
764

  
765
  QDomElement lineStringElem = doc.createElement( "gml:LineString" );
766
  QDomElement coordElem = createCoordinateElem( geom->asPolyline(), doc );
767
  lineStringElem.appendChild( coordElem );
768
  return lineStringElem;
769
}
770

  
771
QDomElement QgsWFSServer::createMultiLineStringElem( QgsGeometry* geom, QDomDocument& doc ) const
772
{
773
  if ( !geom )
774
  {
775
    return QDomElement();
776
  }
777

  
778
  QDomElement multiLineStringElem = doc.createElement( "gml:MultiLineString" );
779
  QgsMultiPolyline multiline = geom->asMultiPolyline();
780

  
781
  QgsMultiPolyline::const_iterator multiLineIt = multiline.constBegin();
782
  for ( ; multiLineIt != multiline.constEnd(); ++multiLineIt )
783
  {
784
    QgsGeometry* lineGeom = QgsGeometry::fromPolyline( *multiLineIt );
785
    if ( lineGeom )
786
    {
... This diff was truncated because it exceeds the maximum size that can be displayed.