/**
* Creates a GML object from a GeoJSON (http://www.geojson.org) String
*
* @return Gml
* @param $geoJson String
*/
public function createFromGeoJson($geoJson, $wfsConf = null)
{
if (is_a($wfsConf, "WfsConfiguration")) {
$wfsFactory = new UniversalWfsFactory();
$myWfsFactory = $wfsFactory->createFromDb($wfsConf->wfsId);
if (is_a($myWfsFactory, "Wfs_1_1")) {
$gml3Factory = new Gml_3_Factory();
return $gml3Factory->createFromGeoJson($geoJson);
}
if (is_a($myWfsFactory, "Wfs_1_0")) {
$gml2Factory = new Gml_2_Factory();
return $gml2Factory->createFromGeoJson($geoJson);
}
throw new Exception("UniversalGmlFactory: Unknown WFS version");
} else {
$gml2Factory = new Gml_2_Factory();
return $gml2Factory->createFromGeoJson($geoJson);
}
}
public function transaction($method, $wfsConf, $geoJson)
{
$gmlFactory = new Gml_2_Factory();
$gmlObj = $gmlFactory->createFromGeoJson($geoJson);
return parent::transaction($method, $wfsConf, $gmlObj);
}
/**
* Parses the feature segment of a GML and stores the geometry in the
* $geometry variable of the class.
*
* Example of a feature segment of a GML.
*
* <gml:featureMember>
* <ms:my_polygons gml:id="my_polygons.624">
* <gml:boundedBy>
* <gml:Envelope srsName="epsg:4326">
* <gml:lowerCorner>39.700000 29.400000</gml:lowerCorner>
* <gml:upperCorner>46.400000 35.400000</gml:upperCorner>
* </gml:Envelope>
* </gml:boundedBy>
* <ms:the_geom>
* <gml:MultiSurface srsName="epsg:4326">
* <gml:surfaceMembers>
* <gml:Polygon>
* <gml:exterior>
* <gml:LinearRing>
* <gml:posList srsDimension="2">
* 43.200000 35.400000
* 46.400000 31.700000
* 44.100000 31.000000
* 41.700000 29.400000
* 39.700000 31.400000
* 43.300000 32.300000
* 43.200000 35.400000
* </gml:posList>
* </gml:LinearRing>
* </gml:exterior>
* </gml:Polygon>
* </gml:surfaceMembers>
* </gml:MultiSurface>
* </ms:the_geom>
* <ms:oid>16752039</ms:oid>
* <ms:gid>624</ms:gid>
* <ms:name>inter_08</ms:name>
* <ms:angle/>
* <ms:annotation/>
* <ms:style>3</ms:style>
* </ms:my_polygons>
* </gml:featureMember>
*
* @return void
* @param $domNode DOMNodeObject the feature tag of the GML
* (<gml:featureMember> in the above example)
*/
protected function parseFeature($domNode, $feature, $wfsConf)
{
$geomFeaturetypeElement = $wfsConf->getGeometryColumnName();
$feature->fid = $domNode->getAttribute("gml:id");
$currentSibling = $domNode->firstChild;
while ($currentSibling) {
$name = $currentSibling->nodeName;
$value = $currentSibling->nodeValue;
$namespace = $this->findNameSpace($name);
$ns = $namespace['ns'];
$columnName = $namespace['value'];
$isGeomColumn = $geomFeaturetypeElement == null || $columnName == $geomFeaturetypeElement;
// check if this node is a geometry node.
// however, even if it is a property node,
// it has a child node, the text node!
// So we might need to do something more
// sophisticated here...
if ($currentSibling->hasChildNodes() && $isGeomColumn) {
$geomNode = $currentSibling->firstChild;
if ($geomNode->nodeType != XML_ELEMENT_NODE) {
while ($geomNode = $geomNode->nextSibling) {
if ($geomNode->nodeType == XML_ELEMENT_NODE) {
break;
}
}
}
$geomType = $geomNode->nodeName;
if ($geomNode->hasAttribute("srsName")) {
$srs = $geomNode->getAttribute("srsName");
}
switch ($geomType) {
case "gml:Polygon":
// untested!
$feature->geometry = self::parsePolygon($geomNode);
if ($feature->geometry->isEmpty()) {
$feature->geometry = Gml_2_Factory::parsePolygon($geomNode);
}
$feature->geometry->srs = $srs;
break;
case "gml:LineString":
// untested!
$feature->geometry = self::parseLine($geomNode);
if ($feature->geometry->isEmpty()) {
$feature->geometry = Gml_2_Factory::parseLine($geomNode);
}
$feature->geometry->srs = $srs;
break;
case "gml:Point":
$feature->geometry = self::parsePoint($geomNode);
if ($feature->geometry->isEmpty()) {
$feature->geometry = Gml_2_Factory::parsePoint($geomNode);
}
$feature->geometry->srs = $srs;
break;
case "gml:MultiPoint":
$feature->geometry = self::parseMultiPoint($geomNode);
if ($feature->geometry->isEmpty()) {
$feature->geometry = Gml_2_Factory::parseMultiPoint($geomNode);
}
$feature->geometry->srs = $srs;
break;
case "gml:MultiLineString":
new mb_exception("found multilinestring");
$feature->geometry = self::parseMultiLine($geomNode);
if ($feature->geometry->isEmpty()) {
$feature->geometry = Gml_2_Factory::parseMultiLine($geomNode);
}
$feature->geometry->srs = $srs;
break;
case "gml:MultiCurve":
$feature->geometry = self::parseMultiCurve($geomNode);
if ($feature->geometry->isEmpty()) {
$feature->geometry = Gml_2_Factory::parseMultiLine($geomNode);
}
$feature->geometry->srs = $srs;
break;
case "gml:MultiSurface":
$feature->geometry = self::parseMultiPolygon($geomNode);
if ($feature->geometry->isEmpty()) {
$feature->geometry = Gml_2_Factory::parseMultiPolygon($geomNode);
}
$feature->geometry->srs = $srs;
break;
default:
$feature->properties[$columnName] = $value;
break;
}
} else {
if ($currentSibling->hasChildNodes() && $currentSibling->firstChild instanceof DOMText) {
$feature->properties[$columnName] = $value;
}
}
$currentSibling = $currentSibling->nextSibling;
}
}
