se/SE/se-lib/Api/WfsServerBase.php

<?php

Lib::loadClass('Api_WfsException');
Lib::loadClass('Api_WfsGeomTypeConverter');
Lib::loadClass('Api_WfsNs');
Lib::loadClass('Request');
Lib::loadClass('Core_AclHelper');

class Api_WfsServerBase {

	public $_usrAcl;
	public $_typeConverter;
	public $_apiBaseUri;
	protected $_logFile;

	public function __construct($usrAcl) {
		$this->_usrAcl = $usrAcl;
		$this->_typeConverter = new Api_WfsGeomTypeConverter();
		$this->_apiBaseUri = '';
	}

	public function setBaseUri($uri) {
		$this->_apiBaseUri = $uri;
	}

	public function getBaseUri() {// TODO: RMME
		return $this->_apiBaseUri;
	}

	/**
	 * @param string $typeName - 'p5_default_db:TEST_PERMS'
	*/
	public function getAclFromTypeName($typeName) {
		$typeEx = explode(':', $typeName);
		$sourceName = null;
		if (2 != count($typeEx)) throw new Api_WfsException("Could not get acl for '{$typeName}' - syntax error");
		if ('p5_' == substr($typeEx[0], 0, 3)) $sourceName = substr($typeEx[0], 3);
		else if ('default_db__x3A__' == substr($typeEx[0], 0, 17)) $sourceName = 'default_db';
		else if ('default_objects' == $typeEx[0]) $sourceName = 'default_objects';
		if (!$sourceName) throw new Api_WfsException("Type not found '{$typeName}'", 404);
		$objName = $typeEx[1];
		$acl = $this->_usrAcl->getObjectAcl($sourceName, $objName);
		if (!$acl) throw new Api_WfsException("Could not get acl for '{$typeName}'");
		$forceTblAclInit = 0;//('1' == V::get('_force', '', $_GET));
		$acl->init($forceTblAclInit);
		return $acl;
	}

	/**
	 * @param $_GET [ , POST Body - XML file ]
	 * @return array $args
	 * TODO: get $acl and check more restrictions
	 */
	public function parseGetFeatureArgsFromRequest() {
		$rawArgs = $_GET;// $_REQUEST; ($_POST values not allowed, only xml in post body)
		$args = array();
		$args['xsd:type'] = null;// @from: TYPENAME, typeName (typename)
		$args['typePrefix'] = null;// @from: TYPENAME, typeName (typename)
		$args['typeName'] = null;// @from: TYPENAME, typeName (typename)
		$args['srsname'] = null;// @from: SRSNAME (srsname)
		$args['limit'] = 0;// @from: MAXFEATURES, maxFeatures, COUNT (maxfeatures, count)
		$args['offset'] = 0;// @from: startIndex (startindex, count)
		$args['ogc:filter'] = null;// @from: FILTER, Filter (filter)
		$args['sortBy'] = null;// @from: sortBy (sortby)
		$args['wfs:propertyName'] = null;// @from: propertyName (propertyname)
		$args['filterFields'] = array();// array of field names to show - @from: propertyName
		$args['resultType'] = null;// @from: resultType (resulttype)
		$args['bbox'] = null;// @from: BBOX (bbox)
		$args['wfs:featureID'] = null;// @from: featureID, featureId (featureid)
		$args['primaryKey'] = null;// primaryKey type - @from: featureID

		$lowerArgs = array(); foreach ($rawArgs as $name => $value) $lowerArgs[ strtolower($name) ] = trim($value);

		$args['xsd:type'] = V::get('typename', '', $lowerArgs);
		$exType = explode(':', $args['xsd:type']);
		if (count($exType) != 2) throw new HttpException("Wrong param TYPENAME", 400);
		$args['typePrefix'] = $exType[0];
		$args['typeName'] = $exType[1];

		$args['srsname'] = V::get('SRSNAME', '', $lowerArgs);// eg. EPSG:4326

		$args['limit'] = V::get('maxfeatures', $args['limit'], $lowerArgs, 'int');
		$args['limit'] = V::get('count', $args['limit'], $lowerArgs, 'int');
		if ($args['limit'] <= 0) $args['limit'] = 10000;// default limit

		$args['offset'] = V::get('startindex', 0, $lowerArgs, 'int');

		$args['ogc:filter'] = urldecode(V::get('filter', '', $lowerArgs));
		if (empty($args['ogc:filter'])) {// read ogc:Filter from POST body if not defined in GET
			$reqBody = Request::getRequestBody();
			if (!empty($reqBody)) {
				$args['ogc:filter'] = $this->convertOgcFilterFromRequestBody($reqBody);
				if (empty($args['ogc:filter'])) throw new Api_WfsException("Error Processing ogc:Filter", 501);
			}
		}

		$args['sortBy'] = V::get('sortby', '', $lowerArgs);// TODO: split to array of array(fieldName, (asc | desc))

		$args['wfs:propertyName'] = trim(V::get('propertyname', '', $lowerArgs));// TODO: fields to show - split by ','
		if (strlen($args['wfs:propertyName']) > 0) {
			$args['filterFields'] = array();
			$exFields = explode(',', $args['wfs:propertyName']);
			foreach ($exFields as $fieldName) {
				$fieldName = trim($fieldName);
				if (!empty($fieldName)) $args['filterFields'][] = $fieldName;
			}
		}

		$args['resultType'] = V::get('resulttype', '', $lowerArgs);

		$args['bbox'] = V::get('bbox', '', $lowerArgs);
		if (!empty($args['bbox'])) {
			// BBOX may have EPSG at then end - example: ",EPSG:4326"
			if (!preg_match("/^\d+(.\d+)?,\d+(.\d+)?,\d+(.\d+)?,\d+(.\d+)?(\,EPSG:\d+)?$/", $args['bbox'], $matches)) throw new Exception("Wrong param BBOX");
			if (preg_match("/\,EPSG:\d+$/", $args['bbox'], $matches)) {
				$args['bbox'] = substr($args['bbox'], 0, strlen($args['bbox']) - strlen($matches[0]));
			}
			if (!preg_match("/^\d+(.\d+)?,\d+(.\d+)?,\d+(.\d+)?,\d+(.\d+)?$/", $args['bbox'], $matches)) throw new Exception("Illegal BBOX format");
			$searchParams['f_the_geom'] = "BBOX:{$args['bbox']}";
		}

		$args['wfs:featureID'] = V::get('featureid', null, $lowerArgs);// TODO: allow multiply feature id (csv)
		if ($args['wfs:featureID']) {
			$dotPos = strpos($args['wfs:featureID'], '.');
			if (!$dotPos) throw new Exception("Wrong param fetureID");
			if ($args['typeName'] != substr($args['wfs:featureID'], 0, $dotPos)) throw new Exception("Wrong typeName in param fetureID");
			$args['primaryKey'] = substr($args['wfs:featureID'], $dotPos + 1);
		}

		if(DBG::isActive() && V::get('DBG', 0, $_GET)){ echo "\$lowerArgs:";print_r($lowerArgs); }
		if(DBG::isActive() && V::get('DBG', 0, $_GET)){ echo "\$args:";print_r($args); }

		return $args;
	}

	public function _getCapabilities($wfsServerUrl, $serviceTitle, $serviceDescription) {
		if (V::get('DBG_ACL', '', $_GET)) {
			{
				echo "Core_AclHelper::getAclList = [" . "\n";
				foreach (Core_AclHelper::getAclList() as $typeName) {
					echo "|\t{$typeName}" . "\n";
				}
				echo "]// .EOF Core_AclHelper::getAclList" . "\n";
			}

			$fullTblAclList = $this->_usrAcl->getTablesAcl();
			print_r($fullTblAclList);
			die("\n" . '.EOF - DBG_ACL');
		}
		echo '<?xml version="1.0" encoding="UTF-8"?>' . "\n";
		?>
<WFS_Capabilities
				  xmlns="http://www.opengis.net/wfs"
				  xmlns:ogc="http://www.opengis.net/ogc"
				  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
				  <?= $this->_printXmlNamespaceList(); ?>
				  <?= $this->_getXmlSchemaLocation(); ?>
					version="1.0.0">
  <Service>
    <Name>WFS</Name>
    <Title><?= $serviceTitle; ?></Title>
    <Abstract><?= $serviceDescription; ?></Abstract>
    <Keywords>WFS, WMS</Keywords>
    <OnlineResource><?= $wfsServerUrl; ?></OnlineResource>
    <Fees>NONE</Fees>
    <AccessConstraints>NONE</AccessConstraints>
  </Service>
  <Capability>
    <Request>
<?php $this->_printGetCapabilitiesXml($wfsServerUrl); ?>
<?php $this->_printDescribeFeatureTypeXml($wfsServerUrl); ?>
<?php $this->_printGetFeatureXml($wfsServerUrl); ?>
<?php $this->_printTransactionXml($wfsServerUrl); ?>
<?php $this->_printLockFeatureXml($wfsServerUrl); ?>
<?php $this->_printGetFeatureWithLockXml($wfsServerUrl); ?>
    </Request>
  </Capability>
  <FeatureTypeList>
    <Operations>
      <Query />
      <Insert />
      <Update />
      <Delete />
      <Lock />
    </Operations>
<?php $this->_printFeatureTypeListXml(); ?>
  </FeatureTypeList>
  <ogc:Filter_Capabilities>
    <ogc:Spatial_Capabilities>
      <ogc:Spatial_Operators>
        <ogc:Disjoint />
        <ogc:Equals />
        <ogc:DWithin />
        <ogc:Beyond />
        <ogc:Intersect />
        <ogc:Touches />
        <ogc:Crosses />
        <ogc:Within />
        <ogc:Contains />
        <ogc:Overlaps />
        <ogc:BBOX />
      </ogc:Spatial_Operators>
    </ogc:Spatial_Capabilities>
    <ogc:Scalar_Capabilities>
      <ogc:Logical_Operators />
      <ogc:Comparison_Operators>
        <ogc:Simple_Comparisons />
        <ogc:Between />
        <ogc:Like />
        <ogc:NullCheck />
      </ogc:Comparison_Operators>
      <ogc:Arithmetic_Operators>
        <ogc:Simple_Arithmetic />
        <ogc:Functions>
          <ogc:Function_Names>
            <ogc:Function_Name nArgs="1">abs</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">abs_2</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">abs_3</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">abs_4</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">acos</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">AddCoverages</ogc:Function_Name>
            <ogc:Function_Name nArgs="4">Aggregate</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">Area</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">area2</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">AreaGrid</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">asin</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">atan</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">atan2</ogc:Function_Name>
            <ogc:Function_Name nArgs="14">BarnesSurface</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">between</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">boundary</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">boundaryDimension</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">Bounds</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">buffer</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">BufferFeatureCollection</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">bufferWithSegments</ogc:Function_Name>
            <ogc:Function_Name nArgs="7">Categorize</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">ceil</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">Centroid</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">classify</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">Clip</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">CollectGeometries</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">Collection_Average</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">Collection_Bounds</ogc:Function_Name>
            <ogc:Function_Name nArgs="0">Collection_Count</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">Collection_Max</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">Collection_Median</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">Collection_Min</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">Collection_Sum</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">Collection_Unique</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">Concatenate</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">contains</ogc:Function_Name>
            <ogc:Function_Name nArgs="7">Contour</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">convert</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">convexHull</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">cos</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">Count</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">CropCoverage</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">crosses</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">dateFormat</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">dateParse</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">difference</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">dimension</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">disjoint</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">disjoint3D</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">distance</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">distance3D</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">double2bool</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">endAngle</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">endPoint</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">env</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">envelope</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">EqualInterval</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">equalsExact</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">equalsExactTolerance</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">equalTo</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">exp</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">exteriorRing</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">Feature</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">floor</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">geometryType</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">geomFromWKT</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">geomLength</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">getGeometryN</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">getX</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">getY</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">getz</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">greaterEqualThan</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">greaterThan</ogc:Function_Name>
            <ogc:Function_Name nArgs="5">Grid</ogc:Function_Name>
            <ogc:Function_Name nArgs="7">Heatmap</ogc:Function_Name>
            <ogc:Function_Name nArgs="0">id</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">IEEEremainder</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">if_then_else</ogc:Function_Name>
            <ogc:Function_Name nArgs="11">in10</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">in2</ogc:Function_Name>
            <ogc:Function_Name nArgs="4">in3</ogc:Function_Name>
            <ogc:Function_Name nArgs="5">in4</ogc:Function_Name>
            <ogc:Function_Name nArgs="6">in5</ogc:Function_Name>
            <ogc:Function_Name nArgs="7">in6</ogc:Function_Name>
            <ogc:Function_Name nArgs="8">in7</ogc:Function_Name>
            <ogc:Function_Name nArgs="9">in8</ogc:Function_Name>
            <ogc:Function_Name nArgs="10">in9</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">InclusionFeatureCollection</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">int2bbool</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">int2ddouble</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">interiorPoint</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">interiorRingN</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">Interpolate</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">intersection</ogc:Function_Name>
            <ogc:Function_Name nArgs="7">IntersectionFeatureCollection</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">intersects</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">intersects3D</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">isClosed</ogc:Function_Name>
            <ogc:Function_Name nArgs="0">isCoverage</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">isEmpty</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">isLike</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">isNull</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">isometric</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">isRing</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">isSimple</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">isValid</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">isWithinDistance</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">isWithinDistance3D</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">Jenks</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">length</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">lessEqualThan</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">lessThan</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">list</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">log</ogc:Function_Name>
            <ogc:Function_Name nArgs="4">LRSGeocode</ogc:Function_Name>
            <ogc:Function_Name nArgs="5">LRSMeasure</ogc:Function_Name>
            <ogc:Function_Name nArgs="5">LRSSegment</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">max</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">max_2</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">max_3</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">max_4</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">min</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">min_2</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">min_3</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">min_4</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">mincircle</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">minimumdiameter</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">minrectangle</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">modulo</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">MultiplyCoverages</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">Nearest</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">not</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">notEqualTo</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">numberFormat</ogc:Function_Name>
            <ogc:Function_Name nArgs="5">numberFormat2</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">numGeometries</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">numInteriorRing</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">numPoints</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">octagonalenvelope</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">offset</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">overlaps</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">parameter</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">parseBoolean</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">parseDouble</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">parseInt</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">parseLong</ogc:Function_Name>
            <ogc:Function_Name nArgs="0">pi</ogc:Function_Name>
            <ogc:Function_Name nArgs="4">PointBuffers</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">pointN</ogc:Function_Name>
            <ogc:Function_Name nArgs="7">PointStacker</ogc:Function_Name>
            <ogc:Function_Name nArgs="6">PolygonExtraction</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">pow</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">property</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">PropertyExists</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">Quantile</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">Query</ogc:Function_Name>
            <ogc:Function_Name nArgs="0">random</ogc:Function_Name>
            <ogc:Function_Name nArgs="5">RangeLookup</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">RasterAsPointCollection</ogc:Function_Name>
            <ogc:Function_Name nArgs="4">RasterZonalStatistics</ogc:Function_Name>
            <ogc:Function_Name nArgs="5">Recode</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">RectangularClip</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">relate</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">relatePattern</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">Reproject</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">rint</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">round</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">round_2</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">roundDouble</ogc:Function_Name>
            <ogc:Function_Name nArgs="6">ScaleCoverage</ogc:Function_Name>
            <ogc:Function_Name nArgs="4">sdo_nn</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">setCRS</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">Simplify</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">sin</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">Snap</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">sqrt</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">StandardDeviation</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">startAngle</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">startPoint</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">strCapitalize</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">strConcat</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">strEndsWith</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">strEqualsIgnoreCase</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">strIndexOf</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">strLastIndexOf</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">strLength</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">strMatches</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">strPosition</ogc:Function_Name>
            <ogc:Function_Name nArgs="4">strReplace</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">strStartsWith</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">strSubstring</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">strSubstringStart</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">strToLowerCase</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">strToUpperCase</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">strTrim</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">strTrim2</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">StyleCoverage</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">symDifference</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">tan</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">toDegrees</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">toRadians</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">touches</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">toWKT</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">Transform</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">union</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">UnionFeatureCollection</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">Unique</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">UniqueInterval</ogc:Function_Name>
            <ogc:Function_Name nArgs="6">VectorToRaster</ogc:Function_Name>
            <ogc:Function_Name nArgs="3">VectorZonalStatistics</ogc:Function_Name>
            <ogc:Function_Name nArgs="1">vertices</ogc:Function_Name>
            <ogc:Function_Name nArgs="2">within</ogc:Function_Name>
          </ogc:Function_Names>
        </ogc:Functions>
      </ogc:Arithmetic_Operators>
    </ogc:Scalar_Capabilities>
  </ogc:Filter_Capabilities>
</WFS_Capabilities>
		<?php
		exit;
	}

	public function _getXmlSchemaLocation() {
		$schemaLocations = array();
		//$schemaLocations[] = 'http://www.opengis.net/wfs http://webgis.regione.sardegna.it:80/geoserver/schemas/wfs/1.0.0/WFS-capabilities.xsd';// @from http://webgis.regione.sardegna.it/geoserver/ows?service=WFS&request=GetCapabilities
		return (!empty($schemaLocations))? 'xsi:schemaLocation="' . implode(' ', $schemaLocations) . '"' : '';
	}

	public function _printXmlNamespaceList() {
		$listNs = array();
		foreach (Api_WfsNs::getNsList() as $uri => $prefix) {
			$listNs[] = 'xmlns:' . $prefix . '="' . $uri . '"';
		}
		return implode("\n", $listNs);
	}

	public function _getSourceNsList() {
		$usrObjList = array();
		$tblsAcl = $this->_usrAcl->getTablesAcl();
		foreach ($tblsAcl as $tblAcl) {
			$dataSourceName = 'default_db';// TODO: getSourceName
			$tblName = $tblAcl->getName();
			$usrObjList[] = array($dataSourceName, $tblName);
		}
		$usrObjList[] = array('objects', 'File');
		$usrObjList[] = array('objects', 'TestPerms');
		$usrObjList[] = array('objects', 'Korespondencja');
		return $usrObjList;
	}

	public function _printGetCapabilitiesXml($wfsServerUrl) {
		?>
			<GetCapabilities>
				<DCPType>
					<HTTP>
						<Get onlineResource="<?php echo $wfsServerUrl; ?>?REQUEST=GetCapabilities" />
					</HTTP>
				</DCPType>
				<DCPType>
					<HTTP>
						<Post onlineResource="<?php echo $wfsServerUrl; ?>" />
					</HTTP>
				</DCPType>
			</GetCapabilities>
		<?php
	}

	public function _printDescribeFeatureTypeXml($wfsServerUrl) {
		?>
			<DescribeFeatureType>
				<SchemaDescriptionLanguage>
					<XMLSCHEMA />
				</SchemaDescriptionLanguage>
				<DCPType>
					<HTTP>
						<Get onlineResource="<?php echo $wfsServerUrl; ?>?REQUEST=DescribeFeatureType" />
					</HTTP>
				</DCPType>
				<DCPType>
					<HTTP>
						<Post onlineResource="<?php echo $wfsServerUrl; ?>" />
					</HTTP>
				</DCPType>
			</DescribeFeatureType>
		<?php
	}

	public function _printGetFeatureXml($wfsServerUrl) {
		?>
			<GetFeature>
				<ResultFormat>
					<WFSKMLOutputFormat />
					<GML2 />
					<GML3 />
					<SHAPE-ZIP />
					<CSV />
					<JSON />
				</ResultFormat>
				<DCPType>
					<HTTP>
						<Get onlineResource="<?php echo $wfsServerUrl; ?>?REQUEST=GetFeature" />
					</HTTP>
				</DCPType>
				<DCPType>
					<HTTP>
						<Post onlineResource="<?php echo $wfsServerUrl; ?>" />
					</HTTP>
				</DCPType>
			</GetFeature>
		<?php
	}

	public function _printTransactionXml($wfsServerUrl) {
		?>
			<Transaction>
				<DCPType>
					<HTTP>
						<Get onlineResource="<?php echo $wfsServerUrl; ?>?request=Transaction" />
					</HTTP>
				</DCPType>
				<DCPType>
					<HTTP>
						<Post onlineResource="<?php echo $wfsServerUrl; ?>" />
					</HTTP>
				</DCPType>
			</Transaction>
		<?php
	}

	public function _printLockFeatureXml($wfsServerUrl) {
		?>
			<LockFeature>
				<DCPType>
					<HTTP>
						<Get onlineResource="<?php echo $wfsServerUrl; ?>?REQUEST=LockFeature" />
					</HTTP>
				</DCPType>
				<DCPType>
					<HTTP>
						<Post onlineResource="<?php echo $wfsServerUrl; ?>" />
					</HTTP>
				</DCPType>
			</LockFeature>
		<?php
	}

	public function _printGetFeatureWithLockXml($wfsServerUrl) {
		?>
			<GetFeatureWithLock>
				<ResultFormat>
					<GML2 />
				</ResultFormat>
				<DCPType>
					<HTTP>
						<Get onlineResource="<?php echo $wfsServerUrl; ?>?REQUEST=GetFeatureWithLock" />
					</HTTP>
				</DCPType>
				<DCPType>
					<HTTP>
						<Post onlineResource="<?php echo $wfsServerUrl; ?>" />
					</HTTP>
				</DCPType>
			</GetFeatureWithLock>
		<?php
	}

	public function _printFeatureTypeListXml() {
		$featureTypes = array();
		foreach ($this->_getTableAclList() as $tblAcl) {
			$dataSourceName = 'default_db';// TODO: getSourceName
			$tblName = $tblAcl->getName();
			$usrObjList[] = array($dataSourceName, $tblName);
			$featureType = array();
			$featureType['ns'] = "p5_{$dataSourceName}";
			$featureType['Name'] = $tblAcl->getName();
			$featureType['Title'] = $tblAcl->getRawLabel();
			$featureType['Abstract'] = $tblAcl->getRawOpis();
			$featureType['Keywords'] = array();
			$featureType['Keywords'][] = $tblAcl->getID();
			$featureType['Keywords'][] = $tblName;
			$featureType['Keywords'][] = $tblAcl->getRawLabel();
			$featureType['Keywords'] = implode(", ", $featureType['Keywords']);
			$featureType['SRS'] = "EPSG:4326";
			$featureType['LatLongBoundingBox'] = array();// TODO: feature LatLongBoundingBox
			$featureType['LatLongBoundingBox']['minx'] = "8.12328509871721";
			$featureType['LatLongBoundingBox']['miny'] = "38.8575126897477";
			$featureType['LatLongBoundingBox']['maxx'] = "9.838674658246807";
			$featureType['LatLongBoundingBox']['maxy'] = "41.31378404137082";
			$featureTypes[] = $featureType;
		}

		foreach (Core_AclHelper::getAclList() as $typeName) {
			$exTypeName = explode(':', $typeName);
			$featureType = array();
			$featureType['ns'] = $exTypeName[0];
			$featureType['Name'] = $exTypeName[1];
			$featureType['Title'] = $exTypeName[1];
			$featureType['Abstract'] = $exTypeName[1];
			$featureType['Keywords'] = $exTypeName[1];
			$featureType['SRS'] = "EPSG:4326";
			$featureTypes[] = $featureType;
		}

		/*
			<FeatureType>
				<Name>ppr06:AMBITIPAESAGGIO</Name>
				<Title>AMBITIPAESAGGIO</Title>
				<Abstract />
				<Keywords>features, AMBITIPAESAGGIO</Keywords>
				<SRS>EPSG:4326</SRS>
				<LatLongBoundingBox minx="8.12328509871721" miny="38.8575126897477" maxx="9.838674658246807" maxy="41.31378404137082" />
			</FeatureType>
		*/
		$featureTypesXml = '';
		foreach ($featureTypes as $feature) {
			$nsUriFeature = Api_WfsNs::getNsUri($feature['ns']);
			$featureTypesXml .= "    " . '<FeatureType xmlns:' . $feature['ns'] . '="' . $nsUriFeature . '">' . "\n";
				$featureTypesXml .= "      " . '<Name>' . "{$feature['ns']}:{$feature['Name']}" . '</Name>' . "\n";
				$featureTypesXml .= "      " . '<Title>' . "{$feature['Title']}" . '</Title>' . "\n";
				if (!empty($feature['Abstract'])) {
					$featureTypesXml .= "      " . '<Abstract>' . "{$feature['Abstract']}" . '</Abstract>' . "\n";
				} else {
					$featureTypesXml .= "      " . '<Abstract/>' . "\n";
				}
				if (!empty($feature['Keywords'])) {
					$featureTypesXml .= "      " . '<Keywords>' . "{$feature['Keywords']}" . '</Keywords>' . "\n";
				} else {
					$featureTypesXml .= "      " . '<Keywords/>' . "\n";
				}
				$featureTypesXml .= "      " . '<SRS>' . "{$feature['SRS']}" . '</SRS>' . "\n";
				if (!empty($feature['LatLongBoundingBox'])) {
					$latLongBoundingBoxOut = array();
					$latLongBoundingBoxOut[] = 'minx="' . $feature['LatLongBoundingBox']['minx'] . '"';
					$latLongBoundingBoxOut[] = 'miny="' . $feature['LatLongBoundingBox']['miny'] . '"';
					$latLongBoundingBoxOut[] = 'maxx="' . $feature['LatLongBoundingBox']['maxx'] . '"';
					$latLongBoundingBoxOut[] = 'maxy="' . $feature['LatLongBoundingBox']['maxy'] . '"';
					$featureTypesXml .= "      " . '<LatLongBoundingBox ' . implode(' ', $latLongBoundingBoxOut) . ' />' . "\n";
				}
			$featureTypesXml .= "    " . '</FeatureType>' . "\n";
		}
		echo $featureTypesXml;
	}

	public function _parseTransactionXmlStruct($requestXml, $requestXmlTags) {
		$DBG = V::get('DBG_XML', 0, $_GET, 'int');// TODO: Profiler
		$rootTagName = V::get('tag', '', $requestXmlTags[0]);
		if ('Transaction' != $rootTagName) throw new Api_WfsException("Parse Request XML Error - Missing Transaction as root xml tag", __LINE__, null, 'TransactionParseError', 'request');

		// TODO: special actions if action on nested objects
		// 1. convert request: wfs.transaction.convert-wfs-request.xsl
		// 2. validate converted request: wfs.transaction-converted-request.xsd
		// 3. execute request in data source

		// if($DBG){echo 'L.' . __LINE__ . ' $requestXmlTags:';print_r($requestXmlTags);echo "\n";}
		/*
				<Transaction
				  xmlns="http://www.opengis.net/wfs"
				  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
				  version="1.0.0"
				  service="WFS"
				  xmlns:p5_objects="https://biuro.biall-net.pl/wfs/objects"
				  xmlns:gml="http://www.opengis.net/gml">
				  <Insert xmlns="http://www.opengis.net/wfs">
				    <TestPerms xmlns="https://biuro.biall-net.pl/wfs/objects">
				      <plik xmlns="https://biuro.biall-net.pl/wfs/objects">
				        <p5_objects:File>
				          <p5_objects:name>blank-wfs.gif</p5_objects:name>
				          <p5_objects:content>R0lGODlhAQABAIAAAP///////yH+EUNyZWF0ZWQgd2l0aCBHSU1QACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==</p5_objects:content>
				        </p5_objects:File>
				      </plik>
				    </TestPerms>
				  </Insert>
				</Transaction>
		*/
		$actionXmlTags = array();// // [ 0 => [ 'action'=>Insert, 'typeName'=>str, 'tags'=>[] ]
		{// split xml for action tags (Insert, Update, Delete)
			$tagsCount = count($requestXmlTags);
			for ($i = 1, $actionTagName = null, $actionIdx = -1, $tagLvl = 0; $i < $tagsCount - 1; $i++) {// skip Transaction open/close tag
				$tag = $requestXmlTags[$i];
				if (null == $actionTagName) {
					$actionTagName = $tag['tag'];
					$tagLvl = $tag['level'];
					$actionIdx += 1;
					$actionXmlTags[$actionIdx] = array();
					$actionXmlTags[$actionIdx]['action'] = $actionTagName;
					$actionXmlTags[$actionIdx]['typeName'] = V::get('typeName', '', $tag['attributes']);
					$actionXmlTags[$actionIdx]['isDeepObject'] = null;// null - unknown, false - not seed, true - deep
					$actionXmlTags[$actionIdx]['tags'] = array();
				} else if ($tag['tag'] == $actionTagName && 'close' == $tag['type'] && $tagLvl == $tag['level']) {
					$actionTagName = null;
				} else {
					$actionXmlTags[$actionIdx]['tags'][] = $tag;
				}
			}
		}

		{// Validate Request: WFS allow multiple tags inside Insert tag
			// TODO: implement multiple tags in Insert tag if reauired. Use array_splice($actionXmlTags, $actionIdx, 0, $insertTags);
			{// throw (Not Implemented, 501) if found multiple tags in Insert tag
				foreach ($actionXmlTags as $actionIdx => $action) {
					if ('Insert' !== $action['action']) continue;
					$lvl = $action['tags'][0]['level'];
					for ($i = 1, $cnt = count($action['tags']); $i < $cnt - 1; $i++) {
						$tag = $action['tags'][$i];
						// if($DBG){echo 'L.' . __LINE__ . " actionXmlTags loop({$i}) \$tag:";print_r($tag);echo "\n";}
						if ($tag['level'] == $lvl) throw new Exception("Error Processing Request - multiple tags inside Insert tag is not implemented", 501);
					}
				}
			}
		}

		{// Insert tag - fix typeName from first tag, remove first and last tag - leave only fields
			foreach ($actionXmlTags as $actionIdx => $action) {
				if ('Insert' !== $action['action']) continue;
				array_pop($action['tags']);// remove last tag (close tag)
				$tag = array_shift($action['tags']);// remove last tag (close tag)
				$typeName = $tag['tag'];// eg. with prefix 'p5_objects:File' or without prefix but with @xmlns
				if (false === strpos($typeName, ':')) {
					$nsType = V::get('xmlns', '', $tag['attributes']);
					if (!$nsType) throw new Exception("Error Processing Request - Missing object namespace '{$tag['tag']}'");
					$prefix = Api_WfsNs::getNsPrefix($nsType);
					if (!$prefix) {
						if ($typeName == substr(rtrim($nsType, '/'), -1 * strlen($typeName))) {// typeName may be added to ns uri
							$nsBaseForType = substr(rtrim($nsType, '/'), 0, -1 * strlen($typeName) - 1);
							$prefix = Api_WfsNs::getNsPrefix($nsBaseForType);
						}
					}
					if (!$prefix) throw new Exception("Error Processing Request - Unrecognized namespace uri '{$nsType}' for object '{$tag['tag']}'");
					$typeName = "{$prefix}:{$typeName}";
				}
				$action['typeName'] = $typeName;
				$actionXmlTags[$actionIdx] = $action;
			}
		}

		{// validate
			// if($DBG){echo 'L.' . __LINE__ . ' before validate $actionXmlTags:';print_r($actionXmlTags);echo "\n";}
			foreach ($actionXmlTags as $actionIdx => $action) {
				if ('Insert' == $action['action']) {
					if (empty($action['typeName'])) throw new Exception("Error Processing Request - unknown object typeName to Insert");
					$acl = $this->getAclFromTypeName($action['typeName']);
					$actionXmlTags[$actionIdx] = $acl->validateInsertXml($action);
				} else if ('Update' == $action['action']) {
					$acl = $this->getAclFromTypeName($action['typeName']);
					$actionXmlTags[$actionIdx] = $acl->validateUpdateXml($action);
				} else if ('Delete' == $action['action']) {
					if($DBG>1){echo'<pre>$action: ';print_r($action);echo'</pre>';}
					$acl = $this->getAclFromTypeName($action['typeName']);
					$actionXmlTags[$actionIdx] = $acl->validateDeleteXml($action);
				} else {
					if($DBG>1){echo'<pre>$action: ';print_r($action);echo'</pre>';}
					throw new Exception("{$action['action']} action not implemented", 501);
				}
				// continue;// TODO: validate all by type
			}
		}

		{// execute
			$returnIds = array();
			$changesList = array();
			foreach ($actionXmlTags as $actionIdx => $action) {
				if ('Insert' == $action['action']) {
					if (empty($action['typeName'])) throw new Exception("Error Processing Request - unknown object typeName to Insert");
					$acl = $this->getAclFromTypeName($action['typeName']);
					$newId = $acl->insertXml($action);
					$returnIds[$actionIdx] = $newId;
					$changesList[$actionIdx] = array('Status'=>(($newId > 0)? 'SUCCESS' : 'FAILED'), 'Message'=>"created {$newId}.", 'Action' => $action['action']);
					if ($newId > 0) $changesList[$actionIdx]['fid'] = $acl->getName() . '.' . $newId;
				} else if ('Update' == $action['action']) {
					if($DBG>1){echo'<pre>$action: ';print_r($action);echo'</pre>';}
					$acl = $this->getAclFromTypeName($action['typeName']);
					$affected = $acl->updateXml($action);
					$changesList[$actionIdx] = array('Status'=>(($affected >= 0)? 'SUCCESS' : 'FAILED'), 'Message'=>"affected {$affected}.", 'Action' => $action['action']);
				} else if ('Delete' == $action['action']) {
					$acl = $this->getAclFromTypeName($action['typeName']);
					$affected = $acl->deleteXml($action);
					$changesList[$actionIdx] = array('Status'=>(($affected >= 0)? 'SUCCESS' : 'FAILED'), 'Message'=>"deleted {$affected}.", 'Action' => $action['action']);
				} else throw new Exception("TODO: {$action['action']} action not implemented", 501);
			}
			if($DBG){echo 'L.' . __LINE__ . ' $changesList:';print_r($changesList);echo "\n";}
		}
		return $this->_transactionResponse($changesList);
	}

	public function _transactionResponse($changesList) {
		//  <WFS_TransactionResponse>
		//    <TransactionResult>
		//      <Status> : SUCCESS / FAILED / PARTIAL
		//      [<Locator]
		//      [<Message]
		$messageTag = '';
		$statusTag = '';
		$statusIsFailed = false;
		$statusAll = null;
		$createdFetureId = array();
		foreach ($changesList as $featureId => $change) {
			if ('FAILED' == $change['Status']) {
				$statusIsFailed = true;
			}
			if ('SUCCESS' == $change['Status'] && !empty($change['fid'])) {
				$createdFetureId[] = $change['fid'];
			}
			// if (!empty($change['Message'])) $messageTag .= "Feature '{$featureId}' {$change['Status']}: {$change['Message']}\n";
		}
		$statusTag = ($statusIsFailed)? 'FAILED' : 'SUCCESS';
		$statusTag = "<wfs:{$statusTag}/>";
		$messageTag = '';//"<wfs:Message>{$messageTag}</wfs:Message>";
		/* Example:
		<?xml version="1.0" encoding="UTF-8"?>
		<wfs:WFS_TransactionResponse version="1.0.0" xmlns:wfs="http://www.opengis.net/wfs"
			xmlns:ogc="http://www.opengis.net/ogc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
			xsi:schemaLocation="http://www.opengis.net/wfs http://localhost:8080/geoserver/schemas/wfs/1.0.0/WFS-transaction.xsd">
			<wfs:InsertResult>
				<ogc:FeatureId fid="archsites.26" />
			</wfs:InsertResult>
			<wfs:TransactionResult handle="Updating Signature rock label">
				<wfs:Status>
					<wfs:SUCCESS />
				</wfs:Status>
			</wfs:TransactionResult>
		</wfs:WFS_TransactionResponse>*/
		// TODO: build xml by DOMDocument
		// TODO: xsi:schemaLocation="http://www.opengis.net/wfs http://localhost:8080/geoserver/schemas/wfs/1.0.0/WFS-transaction.xsd"
		$wfsInsertResult = '';
		if (!empty($createdFetureId)) {
			$wfsInsertResult = "\n<wfs:InsertResult>\n";
			foreach ($createdFetureId as $fid) {
				$wfsInsertResult .= '<ogc:FeatureId fid="' . $fid . '" xmlns:ogc="http://www.opengis.net/ogc"/>' . "\n";
			}
			$wfsInsertResult .= "\n</wfs:InsertResult>\n";
EOF;
		}
		$tranRes = <<<EOF
<wfs:WFS_TransactionResponse version="1.0.0"
		xmlns:wfs="http://www.opengis.net/wfs"
		xmlns:ogc="http://www.opengis.net/ogc"
		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
	{$wfsInsertResult}
	<wfs:TransactionResult>
		<wfs:Status>{$statusTag}</wfs:Status>
		{$messageTag}
	</wfs:TransactionResult>
</wfs:WFS_TransactionResponse>
EOF;
		return $tranRes;
	}

	public function _convertTransactionXml($requestXmlString, $sourceNsList) {
		$DBG = (V::get('DBG_XSL', '', $_GET) > 0);// TODO: Profiler
if($DBG){echo 'L.' . __LINE__ . ' sourceNsList:';print_r($sourceNsList);echo "\n";}
		$updateActionsXsd = array();
		$insertActionsXsd = array();
		$deleteActionsXsd = array();
		//<!-- TODO: create tag Update{X} where X is namespace index -->
		foreach ($sourceNsList as $nsInd => $sourceNs) {
			// <Update>
			$theGeomField = 'the_geom';// TODO: get from fields list
			$typeName = "p5_{$sourceNs[0]}:{$sourceNs[1]}";
			if($DBG){echo 'L.' . __LINE__ . ' typeName:';print_r($typeName);echo "\n";}
			$updateElementName = "UpdateNs{$nsInd}";
			$geomCoordsUpdateXpath = "//wfs:Value/*/gml:outerBoundaryIs/gml:LinearRing/gml:coordinates";
			$geomCoordsInsertXpath = "//*/gml:outerBoundaryIs/gml:LinearRing/gml:coordinates";
			$acl = $this->getAclFromTypeName($typeName);
			$geomType = $acl->getGeomFieldType($theGeomField);
			if ('polygon' == $geomType) {
				$geomCoordsUpdateXpath = ".//wfs:Value/*/gml:outerBoundaryIs/gml:LinearRing/gml:coordinates";
				$geomCoordsUpdateXpath = "((<xsl:value-of select=\"{$geomCoordsUpdateXpath}\"/>))";
				$geomCoordsInsertXpath = ".//*/gml:outerBoundaryIs/gml:LinearRing/gml:coordinates";
				$geomCoordsInsertXpath = "((<xsl:value-of select=\"{$geomCoordsInsertXpath}\"/>))";
			} else if ('linestring' == $geomType) {
				$geomCoordsUpdateXpath = ".//wfs:Value/*/gml:coordinates";
				$geomCoordsUpdateXpath = "(<xsl:value-of select=\"{$geomCoordsUpdateXpath}\"/>)";
				$geomCoordsInsertXpath = ".//*/gml:coordinates";
				$geomCoordsInsertXpath = "(<xsl:value-of select=\"{$geomCoordsInsertXpath}\"/>)";
			} else if ('point' == $geomType) {
				$geomCoordsUpdateXpath = ".//wfs:Value/*/gml:coordinates";
				$geomCoordsUpdateXpath = "(<xsl:value-of select=\"{$geomCoordsUpdateXpath}\"/>)";
				$geomCoordsInsertXpath = ".//*/gml:coordinates";
				$geomCoordsInsertXpath = "(<xsl:value-of select=\"{$geomCoordsInsertXpath}\"/>)";
			}
			$actionXsd = <<<EOF
					<xsl:when test="@typeName = '{$typeName}'">
						<xsl:element name="{$updateElementName}">
							<xsl:attribute name="typeName"><xsl:value-of select="@typeName" /></xsl:attribute>
							<xsl:attribute name="featureId"><xsl:value-of select="ogc:Filter/ogc:FeatureId/@fid" /></xsl:attribute>
							<xsl:for-each select="wfs:Property">
								<xsl:element name="{wfs:Name}">
									<xsl:choose>
										<xsl:when test="wfs:Name = '{$theGeomField}'"><xsl:value-of select="local-name(//wfs:Value/*[1])"/>{$geomCoordsUpdateXpath}</xsl:when>
										<xsl:otherwise><xsl:value-of select="wfs:Value"/></xsl:otherwise>
									</xsl:choose>
								</xsl:element>
							</xsl:for-each>
						</xsl:element>
					</xsl:when>
EOF;
			$updateActionsXsd[] = $actionXsd;

			$typeName = "{$sourceNs[1]}";//"p5_{$sourceNs[0]}:{$sourceNs[1]}";
			$insertElementName = "InsertNs{$nsInd}";
			$actionXsd = <<<EOF
					<xsl:when test="local-name() = '{$typeName}'">
						<xsl:element name="{$insertElementName}">
							<xsl:attribute name="typeName"><xsl:value-of select="local-name()" /></xsl:attribute>
							<xsl:attribute name="typeNsUri"><xsl:value-of select="namespace-uri()" /></xsl:attribute>
							<xsl:for-each select="*">
								<xsl:element name="{local-name()}">
									<xsl:choose>
										<xsl:when test="local-name() = '{$theGeomField}'"><xsl:value-of select="local-name(*[1])"/>{$geomCoordsInsertXpath}</xsl:when>
										<xsl:otherwise><xsl:value-of select="."/></xsl:otherwise>
									</xsl:choose>
								</xsl:element>
							</xsl:for-each>
						</xsl:element>
					</xsl:when>
EOF;
			$insertActionsXsd[] = $actionXsd;

			$deleteElementName = "DeleteNs{$nsInd}";
			$typeName = "p5_{$sourceNs[0]}:{$sourceNs[1]}";
			$actionXsd = <<<EOF
					<xsl:when test="@typeName = '{$typeName}'">
						<xsl:variable name="typeName" select="@typeName" />
						<xsl:for-each select="ogc:Filter/ogc:FeatureId">
							<xsl:element name="{$deleteElementName}">
								<xsl:attribute name="typeName"><xsl:value-of select="\$typeName" /></xsl:attribute>
								<xsl:attribute name="featureId"><xsl:value-of select="@fid" /></xsl:attribute>
							</xsl:element>
						</xsl:for-each>
					</xsl:when>
EOF;
			$deleteActionsXsd[] = $actionXsd;
		}
		if (!empty($updateActionsXsd)) {
			$updateActionsXsd = implode("\n", $updateActionsXsd);
			$updateActionsXsd = <<<EOF
				<xsl:choose>
					{$updateActionsXsd}
				</xsl:choose>
EOF;
		} else {
			$updateActionsXsd = '';
		}
		if (!empty($insertActionsXsd)) {
			$insertActionsXsd = implode("\n", $insertActionsXsd);
			$insertActionsXsd = <<<EOF
				<xsl:choose>
					{$insertActionsXsd}
				</xsl:choose>
EOF;
		} else {
			$insertActionsXsd = '';
		}
		if (!empty($deleteActionsXsd)) {
			$deleteActionsXsd = implode("\n", $deleteActionsXsd);
			$deleteActionsXsd = <<<EOF
				<xsl:choose>
					{$deleteActionsXsd}
				</xsl:choose>
EOF;
		} else {
			$deleteActionsXsd = '';
		}

		$convertTransactionXslString = '<?xml version="1.0"?>';
		$convertTransactionXslString .= <<<EOF
<xsl:transform version="1.0"
							 xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
							 xmlns:wfs="http://www.opengis.net/wfs"
							 xmlns:ogc="http://www.opengis.net/ogc"
							 xmlns:gml="http://www.opengis.net/gml">
	<xsl:template match="/">
		<xsl:for-each select="wfs:Transaction">
			<Transaction>
				<xsl:attribute name="version"><xsl:value-of select="@version" /></xsl:attribute>
				<xsl:attribute name="service"><xsl:value-of select="@service" /></xsl:attribute>
				<xsl:for-each select="wfs:Update">
					{$updateActionsXsd}
				</xsl:for-each>
				<xsl:for-each select="wfs:Insert/*">
					{$insertActionsXsd}
				</xsl:for-each>
				<xsl:for-each select="wfs:Delete">
					{$deleteActionsXsd}
				</xsl:for-each>
				<!-- TODO: Native -->
			</Transaction>
		</xsl:for-each>
	</xsl:template>

</xsl:transform>
EOF;

if($DBG){echo 'L.' . __LINE__ . ' $convertTransactionXslString:' . $convertTransactionXslString . "\n";}
		$requestXml = new DOMDocument();
		$requestXml->loadXml($requestXmlString);

		$convertTransactionXsl = new DOMDocument();
		$convertTransactionXsl->loadXml($convertTransactionXslString);
		$proc = new XSLTProcessor();
		$proc->importStylesheet($convertTransactionXsl);
		return $proc->transformToXML($requestXml);
	}

	public function _validateConvertedTransactionXml($convertedTransaction, $sourceNsList) {
		$DBG = (V::get('DBG_XSD', '', $_GET) > 0);// TODO: Profiler
if($DBG){echo 'L.' . __LINE__ . ' sourceNsList:';print_r($sourceNsList);echo "\n";}

		$dom = new DOMDocument('1.0', 'utf-8');
		$dom->formatOutput = true;
		$dom->preserveWhiteSpace = false;
		$rootNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:schema');
		$dom->appendChild($rootNode);
		$rootNode->setAttribute('elementFormDefault', 'qualified');
		$rootNode->setAttribute('version', '1.0');

		{// <xsd:element name="Transaction" type="TransactionType">
			$elNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:element');
			$rootNode->appendChild($elNode);
			$elNode->setAttribute('name', 'Transaction');
			$elNode->setAttribute('type', 'TransactionType');
			$cTypeNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:complexType');
			$rootNode->appendChild($cTypeNode);
			$cTypeNode->setAttribute('name', 'TransactionType');
				$seqNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:sequence');
				$cTypeNode->appendChild($seqNode);

					$choiceNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:choice');
					$seqNode->appendChild($choiceNode);
					$choiceNode->setAttribute('minOccurs', '0');
					$choiceNode->setAttribute('maxOccurs', 'unbounded');

					// <!-- <xsd:element ref="Update"/>	-->
					foreach ($sourceNsList as $nsInd => $sourceNs) {
						$typeName = "p5_{$sourceNs[0]}:{$sourceNs[1]}";
						$updateElementName = "UpdateNs{$nsInd}";
						$updateElementType = "UpdateNs{$nsInd}ElementType";
						$updateElemNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:element');
						$choiceNode->appendChild($updateElemNode);
						$updateElemNode->setAttribute('name', $updateElementName);
						$updateElemNode->setAttribute('type', $updateElementType);
					}
					// <!-- <xsd:element ref="Insert"/>	-->
					foreach ($sourceNsList as $nsInd => $sourceNs) {
						$typeName = "p5_{$sourceNs[0]}:{$sourceNs[1]}";
						$insertElementName = "InsertNs{$nsInd}";
						$insertElementType = "InsertNs{$nsInd}ElementType";
						$insertElemNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:element');
						$choiceNode->appendChild($insertElemNode);
						$insertElemNode->setAttribute('name', $insertElementName);
						$insertElemNode->setAttribute('type', $insertElementType);
					}
					// <!-- <xsd:element ref="Delete"/>	-->
					foreach ($sourceNsList as $nsInd => $sourceNs) {
						$typeName = "p5_{$sourceNs[0]}:{$sourceNs[1]}";
						$deleteElementName = "DeleteNs{$nsInd}";
						$deleteElementType = "DeleteNs{$nsInd}ElementType";
						$deleteElemNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:element');
						$choiceNode->appendChild($deleteElemNode);
						$deleteElemNode->setAttribute('name', $deleteElementName);
						$deleteElemNode->setAttribute('type', $deleteElementType);
					}
					// <!-- <xsd:element ref="Native"/>	-->

				$attrNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:attribute');
				$cTypeNode->appendChild($attrNode);
				$attrNode->setAttribute('name', 'version');
				$attrNode->setAttribute('type', 'xsd:string');
				$attrNode->setAttribute('use', 'required');
				$attrNode->setAttribute('fixed', '1.0.0');

				$attrNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:attribute');
				$cTypeNode->appendChild($attrNode);
				$attrNode->setAttribute('name', 'service');
				$attrNode->setAttribute('type', 'xsd:string');
				$attrNode->setAttribute('use', 'required');
				$attrNode->setAttribute('fixed', 'WFS');
		}

		foreach ($sourceNsList as $nsInd => $sourceNs) {
			$transactionTypesList = array();
			$transactionTypesList[] = 'Update';
			$transactionTypesList[] = 'Insert';
			foreach ($transactionTypesList as $transactionType) {
				$typeName = "p5_{$sourceNs[0]}:{$sourceNs[1]}";
				if($DBG){echo 'L.' . __LINE__ . ' TODO: get acl typeName:';print_r($typeName);echo "\n";}
				$acl = $this->getAclFromTypeName($typeName);
				$updateElementName = "{$transactionType}Ns{$nsInd}";
				$updateElementType = "{$transactionType}Ns{$nsInd}ElementType";

	/*
	<xsd:complexType name="{$updateElementType}">
			<xsd:sequence>
				<xsd:element name="PARENT_ID" minOccurs="0" maxOccurs="1" type="xsd:integer" />
			</xsd:sequence>
	*/
				$updateTypeNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:complexType');
				$rootNode->appendChild($updateTypeNode);
				$updateTypeNode->setAttribute('name', $updateElementType);
				{
					$seqNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:all');
					$updateTypeNode->appendChild($seqNode);
					{
						$pKeyField = $acl->getPrimaryKeyField();
						$fldList = $this->_getFieldListFromAcl($acl);

						// fields without geometry fields
						foreach ($fldList as $fldName) {
							if ($acl->isGeomField($fldName)) continue;

							$elNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:element');
							$seqNode->appendChild($elNode);
							$elNode->setAttribute('name', $fldName);
							$minOccurs = 0;
							if ($pKeyField == $fldName) {
								$minOccurs = '1';
							} else {
								$minOccurs = '0';
							}
							$elNode->setAttribute('minOccurs', $minOccurs);

							$fldType = null;
							if ($acl->isIntegerField($fldName)) {
								$fldType = 'xsd:integer';
							}
							else if ($acl->isDecimalField($fldName)) {
								$fldType = 'xsd:decimal';
							}
							else if ($acl->isDateField($fldName)) {
								$fldType = 'xsd:date';
							}
							else if ($acl->isDateTimeField($fldName)) {
								// $fldType = 'xsd:dateTime';
								$fldType = null;// 'xsd:string';
								$patternDataTime = "(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2})(:(\d{2}))?";
								// <xsd:element name="..." minOccurs="0" nillable="true">
		            //     <xsd:simpleType>
		            //         <xsd:restriction base="xsd:string">
		            //             <xsd:pattern value="[a-zA-Z]+\(\((\-?\d+\.?\d*,\-?\d+\.?\d*)( \-?\d+\.?\d*,\-?\d+\.?\d*)+\)\)"/>
		            //         </xsd:restriction>
		            //     </xsd:simpleType>
		            // </xsd:element>
								$simpleTypeNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:simpleType');
								$restrictionNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:restriction');
								$patternNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:pattern');
								$restrictionNode->setAttribute('base', 'xsd:string');
								$patternNode->setAttribute('value', $patternDataTime);
								$restrictionNode->appendChild($patternNode);
								$simpleTypeNode->appendChild($restrictionNode);
								$elNode->appendChild($simpleTypeNode);
								// continue;// TODO: ? below added nillable = true, minOccurs = 0, type = $fldType
							}
							else if ($acl->isBinaryField($fldName)) {
								$fldType = 'xsd:base64Binary';
							}
							else {
								$fldType = 'xsd:string';
							}
							if ($fldType) $elNode->setAttribute('type', $fldType);
							$elNode->setAttribute('nillable', 'true');
							$elNode->setAttribute('minOccurs', '0');
						}

						// only geometry fields
						foreach ($fldList as $fldName) {
							if (!$acl->isGeomField($fldName)) continue;

							$elNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:element');
							$seqNode->appendChild($elNode);
							$elNode->setAttribute('name', $fldName);
							$minOccurs = 0;
							if ($pKeyField == $fldName) {
								$minOccurs = '1';
							} else {
								$minOccurs = '0';
							}
							$elNode->setAttribute('minOccurs', $minOccurs);
							if ($acl->isGeomField($fldName)) {
								//$fldType = 'gml:GeometryPropertyType';
								// TODO: use geom types from gml to wkt
								// TODO: pattern wg atrybutów gml:coordinates decimal="." cs="," ts=" "
								$patternWkt = '';// TODO: error if empty - unsupported geom type
								$patternNum = '\-?\d+\.?\d*';
								$patternPoint = $patternNum . ',' . $patternNum;
								$patternPoints = '(' . $patternPoint . ')( ' . $patternPoint . ')+';

								$geomType = $acl->getGeomFieldType($fldName);
								if ('polygon' == $geomType) {
									// [a-zA-Z]+\(\((\-?\d+\.?\d*,\-?\d+\.?\d*)( (\-?\d+\.?\d*,\-?\d+\.?\d*))+\)\)
									$patternWkt = '[a-zA-Z]+\(\(' . $patternPoints . '\)\)';
								} else if ('linestring' == $geomType) {
									// [a-zA-Z]+\((\-?\d+\.?\d*,\-?\d+\.?\d*)( (\-?\d+\.?\d*,\-?\d+\.?\d*))+\)
									$patternWkt = '[a-zA-Z]+\(' . $patternPoints . '\)';
								} else if ('point' == $geomType) {
									// [a-zA-Z]+\(\-?\d\.?\d*,\-?\d\.?\d*\)
									$patternWkt = '[a-zA-Z]+\(' . $patternPoint . '\)';
								}

								$simpleTypeNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:simpleType');
								$restrictionNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:restriction');
								$patternNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:pattern');
								$restrictionNode->setAttribute('base', 'xsd:string');
								$patternNode->setAttribute('value', $patternWkt);
								$restrictionNode->appendChild($patternNode);
								$simpleTypeNode->appendChild($restrictionNode);
								$elNode->appendChild($simpleTypeNode);
							}
							$elNode->setAttribute('nillable', 'true');
							$elNode->setAttribute('minOccurs', '0');
						}
					}
				}

				$attrNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:attribute');
				$updateTypeNode->appendChild($attrNode);
				$attrNode->setAttribute('name', 'typeName');
				$attrNode->setAttribute('type', 'xsd:token');
				$attrNode->setAttribute('use', 'required');

				if ($transactionType == 'Insert') {
					$attrNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:attribute');
					$updateTypeNode->appendChild($attrNode);
					$attrNode->setAttribute('name', 'typeNsUri');
					$attrNode->setAttribute('type', 'xsd:anyURI');
					$attrNode->setAttribute('use', 'required');
				}
				if ($transactionType == 'Update') {
					$attrNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:attribute');
					$updateTypeNode->appendChild($attrNode);
					$attrNode->setAttribute('name', 'featureId');
					$attrNode->setAttribute('use', 'required');
						$sTypeNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:simpleType');
						$attrNode->appendChild($sTypeNode);
							$resNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:restriction');
							$sTypeNode->appendChild($resNode);
							$resNode->setAttribute('base', 'xsd:string');
								$patternNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:pattern');
								$resNode->appendChild($patternNode);
								$patternNode->setAttribute('value', '[a-zA-Z_][a-zA-Z0-9_]*\.[0-9]*');
				}
			}
			{// 'Delete'
				$typeName = "p5_{$sourceNs[0]}:{$sourceNs[1]}";
				$acl = $this->getAclFromTypeName($typeName);
				$deleteElementType = "DeleteNs{$nsInd}ElementType";
				$deleteTypeNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:complexType');
				$rootNode->appendChild($deleteTypeNode);
				$deleteTypeNode->setAttribute('name', $deleteElementType);

				/* <xsd:attribute name="typeName" type="xsd:token" use="required"/> */
				$attrNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:attribute');
				$deleteTypeNode->appendChild($attrNode);
				$attrNode->setAttribute('name', 'typeName');
				$attrNode->setAttribute('type', 'xsd:token');
				$attrNode->setAttribute('use', 'required');
				/* <xsd:attribute name="featureId" use="required"> */
				$attrNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:attribute');
				$deleteTypeNode->appendChild($attrNode);
				$attrNode->setAttribute('name', 'featureId');
				$attrNode->setAttribute('use', 'required');
				$sTypeNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:simpleType');
				$attrNode->appendChild($sTypeNode);
					$resNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:restriction');
					$sTypeNode->appendChild($resNode);
					$resNode->setAttribute('base', 'xsd:string');
						$patternNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:pattern');
						$resNode->appendChild($patternNode);
						$patternNode->setAttribute('value', '[a-zA-Z_][a-zA-Z0-9_]*\.[0-9]*');
			}
		}

		$validateConvertedTransactionXsdString = $dom->saveXml();

if($DBG){echo 'L.' . __LINE__ . ' $validateConvertedTransactionXsdString:';print_r($validateConvertedTransactionXsdString);echo "\n";}
		$reqXml = new DOMDocument();
		$reqXml->loadXml($convertedTransaction);
		// TODO: fetch PHP Warning: DOMDocument::schemaValidateSource(): Element 'PARENT_ID': 'abc' is not a valid value of the atomic type 'xs:integer'.
		return $reqXml->schemaValidateSource($validateConvertedTransactionXsdString);
	}

	public function _getDescribeFeatureType($nsPrefix, $type, $simple = true) {
		return $this->_getDescribeFeatureTypes(array(array($nsPrefix, $type)), $simple);
	}

	public function _parseDescribeFeatureTypeRequest($reqContent, $simple = true) {
		$parserXml = xml_parser_create();
		xml_parser_set_option($parserXml, XML_OPTION_CASE_FOLDING, 0);
		xml_parser_set_option($parserXml, XML_OPTION_SKIP_WHITE, 1);
		if (0 == xml_parse_into_struct($parserXml, $reqContent, $tags)) {
			throw new Exception("Error parsing xml");
		}
		xml_parser_free($parserXml);
		if (empty($tags)) {
			throw new Exception("Empty structure from request");
		}

		$rootTagName = V::get('tag', '', $tags[0]);
		if ('DescribeFeatureType' != $rootTagName) {
			throw new Api_WfsException("Wrong xml root tag '{$rootTagName}' #" . __LINE__, 501);
		}
		$requestXmlTags = $tags;
		$DBG = (V::get('DBG_XML', '', $_GET) > 0);// TODO: Profiler
		$rootTagName = V::get('tag', '', $requestXmlTags[0]);
		if ('DescribeFeatureType' != $rootTagName) {
			throw new Exception("Parse Request xml error #" . __LINE__);
		}
		/*[1] => Array(
						[tag] => TypeName
						[type] => complete
						[level] => 2
						[value] => p5_default_db:Rozdzielcza_rurociag_wsg84)
		*/
		$typeNames = array();
		$totalTypes = count($requestXmlTags) - 1;
		for ($i = 1; $i < $totalTypes; $i++) {
			if($DBG){echo "TAG[{$i}]:" . json_encode($requestXmlTags[$i]) . "\n";}
			$typeNames[] = explode(':', $requestXmlTags[$i]['value'], 2);
		}
		//echo "typeNames: " . json_encode($typeNames) . "\n";
		return $this->_getDescribeFeatureTypes($typeNames, $simple);
	}

	public function _getDescribeFeatureAllTypes($simple = true) {
		$db = DB::getDB();
		$idDefaultDB = $db->_zasob_id;

		$tblsAcl = $this->_getTableAclList();
		foreach ($tblsAcl as $tblAcl) {
			$dataSourceName = 'default_db';// TODO: getSourceName
			$tblName = $tblAcl->getName();
			$typeNames[] = array("p5_{$dataSourceName}", $tblName);
		}
		$typeNames[] = array("p5_objects", 'File');
		return $this->_getDescribeFeatureTypes($typeNames, $simple);
	}

	// @param $typeNames = array( array( $nsPrefix, $type ) )
	public function _getDescribeFeatureTypes($typeNames, $simple = true) {
		if (empty($typeNames)) throw new HttpException("Feature Type Names not defined", 400);
		$this->DBG("types:" . json_encode($typeNames), __LINE__, __FUNCTION__, __CLASS__);

		$baseNsUri = Api_WfsNs::getBaseWfsUri();
		$rootWfsNs = 'p5';
		$rootWfsNsUri = "{$baseNsUri}";
		$featureTypeUri = Api_WfsNs::getBaseWfsUri() . "?SERVICE=WFS&VERSION=1.0.0&REQUEST=DescribeFeatureType";

		header('Content-type: application/xml');
		// <xsd:import namespace="http://www.opengis.net/gml" schemaLocation="http://webgis.regione.sardegna.it:80/geoserver/schemas/gml/2.1.2/feature.xsd"/>
		//	<xsd:element name="{type}" substitutionGroup="gml:_Feature" type="dbu:{typeName}"/>

		$dom = new DOMDocument('1.0', 'utf-8');
		$dom->formatOutput = true;
		$dom->preserveWhiteSpace = false;
		$rootNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:schema');
		$dom->appendChild($rootNode);
		$rootNode->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:gml', 'http://www.opengis.net/gml');
		foreach (Api_WfsNs::getNsList() as $uri => $prefix) {
			$rootNode->setAttributeNS('http://www.w3.org/2000/xmlns/', "xmlns:{$prefix}", $uri);
		}
		$rootNode->setAttribute('elementFormDefault', 'qualified');
		$rootNode->setAttribute('targetNamespace', Api_WfsNs::getNsUri('p5_default_db'));// TODO:? what targetNamespace if showing types from p5_objects and p5_default_db
		{// <xsd:import namespace="http://www.opengis.net/gml" schemaLocation="...../gml/2.1.2/feature.xsd"/>
			$elNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:import');
			$rootNode->appendChild($elNode);
			$elNode->setAttribute('namespace', "http://www.opengis.net/gml");
			$elNode->setAttribute('schemaLocation', Request::getPathUri() . "schema/gml/2.1.2/feature.xsd");
		}

		foreach ($typeNames as $typeNameEx) {
			$nsPrefix = $typeNameEx[0];
			$type = $typeNameEx[1];

			$typeName = "{$nsPrefix}:{$type}";
			$acl = $this->getAclFromTypeName($typeName);
			$typeName = $type . 'Type';
			$fldList = $this->_getFieldListFromAcl($acl);

			$cTypeNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:complexType');
			$rootNode->appendChild($cTypeNode);
			$cTypeNode->setAttribute('name', $typeName);
			if (!$simple) $cTypeNode->setAttributeNS($rootWfsNsUri, "{$rootWfsNs}:web_link", Request::getPathUri() . "index.php?_route=ViewTableAjax&namespace=" . $acl->getNamespace());

			$cConNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:complexContent');
			$cTypeNode->appendChild($cConNode);

			$extNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:extension');
			$cConNode->appendChild($extNode);
			$extNode->setAttribute('base', 'gml:AbstractFeatureType');

			$seqNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:sequence');
			$extNode->appendChild($seqNode);

			// <xsd:element maxOccurs="1" minOccurs="0" name="{$fldName}" nillable="true" type="xsd:integer"/>
			$pKeyField = $acl->getPrimaryKeyField();
			$p5Attributes = ($simple)? array() : $acl->getAttributesFromZasoby();
			foreach ($fldList as $fldName) {
				$elNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:element');
				$seqNode->appendChild($elNode);
				$minOccurs = 0;
				if ($pKeyField == $fldName) {
					$minOccurs = '1';
				} else {
					$minOccurs = '0';
				}
				$elNode->setAttribute('minOccurs', $minOccurs);
				$elNode->setAttribute('maxOccurs', '1');
				$elNode->setAttribute('nillable', 'true');
				$fldType = $acl->getXsdFieldType($fldName);
				if (!$simple && $acl->isEnumerationField($fldName)) {
					$fldType = "{$nsPrefix}:{$fldName}Type";
				}
				if ('ref:' == substr($fldType, 0, 4)) {
					$elNode->setAttribute('ref', substr($fldType, 4));
					$elNode->setAttributeNS($rootWfsNsUri, "{$rootWfsNs}:name", $fldName);
				} else if ('local_ref:' == substr($fldType, 0, 10)) {
					$elNode->setAttribute('type', "{$fldName}Type");
					$elNode->setAttributeNS($rootWfsNsUri, "{$rootWfsNs}:name", $fldName);
				} else if ('alias_ref:' == substr($fldType, 0, 10)) {
					$elNode->setAttribute('ref', "p5_" . $acl->getSourceName() . ":{$fldName}");
					$elNode->setAttributeNS($rootWfsNsUri, "{$rootWfsNs}:name", $fldName);
				} else {
					$elNode->setAttribute('name', $fldName);
					$elNode->setAttribute('type', $fldType);
				}

				if (!$simple) {
					if (!empty($p5Attributes[$fldName])) {
						$p5attrs = $p5Attributes[$fldName];
						if (!empty($p5attrs['id_zasob'])) $elNode->setAttributeNS($rootWfsNsUri, "{$rootWfsNs}:id_zasob", $p5attrs['id_zasob']);
						if (!empty($p5attrs['label'])) $elNode->setAttributeNS($rootWfsNsUri, "{$rootWfsNs}:label", $p5attrs['label']);
						if (!empty($p5attrs['description'])) $elNode->setAttributeNS($rootWfsNsUri, "{$rootWfsNs}:description", $p5attrs['description']);
					}
					if ($acl->canWriteField($fldName)) $elNode->setAttributeNS($rootWfsNsUri, "{$rootWfsNs}:allow_write", "true");
					if ($acl->canCreateField($fldName)) $elNode->setAttributeNS($rootWfsNsUri, "{$rootWfsNs}:allow_create", "true");
					if (!$acl->canReadField($fldName)) $elNode->setAttributeNS($rootWfsNsUri, "{$rootWfsNs}:allow_read", "false");
				}
			}

			$elNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:element');
			$rootNode->appendChild($elNode);
			$elNode->setAttribute('name', $type);
			$elNode->setAttribute('type', $nsPrefix . ':' . $typeName);// TODO: $acl->getSourceName() != $nsPrefix
			if ($simple) {
				$elNode->setAttribute('substitutionGroup', 'gml:_Feature');
			} else {
				$elNode->setAttribute('substitutionGroup', 'gml:AbstractFeature');
			}

			foreach ($fldList as $fldName) {
				$fldType = $acl->getXsdFieldType($fldName);
				if ('alias_ref:' == substr($fldType, 0, 10)) {
					$localRefType = substr($fldType, 10);
					// <xsd:element name="{$fldName}" ref="{$localRefType}">
					$ctNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:element');
					$rootNode->appendChild($ctNode);
					$ctNode->setAttribute('name', $fldName);
					$ctNode->setAttribute('type', $localRefType);
				} else if ('local_ref:' == substr($fldType, 0, 10)) {
					$localRefType = substr($fldType, 10);
					// <xsd:complexType name="produkt_Type">
					// 	<xsd:sequence>
					// 		<xsd:element name="idProd" type="xsd:integer" />
					// 		<xsd:element name="nazwa" type="xsd:string" />
					// 		<xsd:element name="cena" type="xsd:decimal" />
					// 	</xsd:sequence>
					// </xsd:complexType>
					$ctNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:complexType');
					$rootNode->appendChild($ctNode);
					$ctNode->setAttribute('name', "{$fldName}Type");

					$seqNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:sequence');
					$ctNode->appendChild($seqNode);

					$elNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:element');
					$seqNode->appendChild($elNode);
					$elNode->setAttribute('name', "test_id");
					$elNode->setAttribute('type', "xsd:integer");

					$elNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:element');
					$seqNode->appendChild($elNode);
					$elNode->setAttribute('name', "test_opis");
					$elNode->setAttribute('type', "xsd:string");

					$elNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:element');
					$seqNode->appendChild($elNode);
					$elNode->setAttribute('name', "test_decimal");
					$elNode->setAttribute('type', "xsd:decimal");
				}
			}

			if (!$simple) {
				foreach ($fldList as $fldName) {
					if ($acl->isEnumerationField($fldName)) {
						$enum = $acl->getEnumerations($fldName);
						$stNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:simpleType');
						$stNode->setAttribute('name', "{$fldName}Type");//"{$nsPrefix}:{$fldName}Type");
						$rootNode->appendChild($stNode);
							$resNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:restriction');
							$stNode->appendChild($resNode);
							$resNode->setAttribute('base', 'xsd:string');
							// TODO: if (!empty($p5Attributes[$fldName]['valuesMap'])) -> show only this values
							foreach ($enum as $val => $label) {
								$enumNode = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:enumeration');
								$resNode->appendChild($enumNode);
								$enumNode->setAttribute('value', "{$val}");

								if (!empty($p5Attributes[$fldName]['valuesMap'][$val])) {
									$enumNode->setAttributeNS($rootWfsNsUri, "{$rootWfsNs}:label", $p5Attributes[$fldName]['valuesMap'][$val]);
								}
							}
					}
				}
			}
		}

		return $dom->saveXML();
	}

	public function _getTableAclList() {// Use only Tables from default_db
		$tblAclList = array();
		$db = DB::getDB();
		$idDefaultDB = $db->_zasob_id;
		$fullTblAclList = $this->_usrAcl->getTablesAcl();
		foreach ($fullTblAclList as $tblAcl) {
			$dataSourceName = 'default_db';// TODO: getSourceName
			$tblName = $tblAcl->getName();
			if ($idDefaultDB != $tblAcl->getDB()) {// hide non default_db tables
				continue;
			}
			try {
				$acl = $this->getAclFromTypeName($typeName = "p5_{$dataSourceName}:{$tblName}");
			} catch (Exception $e) {
				// echo "Error for table({$tblName}): " . $e->getMessage() . "\n";
			}
			if (!$acl) {
				// TODO: error log msg
				continue;
			}
			$tblAclList[] = $tblAcl;
		}
		return $tblAclList;
	}

	public function _getFieldListFromAcl($acl) {
		$fldList = $acl->getRealFieldListByIdZasob();
		return $fldList;
	}

	public function setLogger($logger) {
		$this->_logger = $logger;
	}

	public function DBG($reqLog, $lineNr = null, $funName = null, $className = null) {
		if (!$this->_logger) return;
		$this->_logger->DBG($reqLog, $lineNr, $funName, $className);
	}

	public function convertOgcFilterFromRequestBody($requestOgcFilter) {
		$ogcFilter = '';
		if (empty($requestOgcFilter)) return '';
		{
			$convertOgcFilterXslString .= <<<EOF
<xsl:transform version="1.0"
							 xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
							 xmlns:wfs="http://www.opengis.net/wfs"
							 xmlns:ogc="http://www.opengis.net/ogc"
							 xmlns:gml="http://www.opengis.net/gml">
	<xsl:output method="xml" omit-xml-declaration="yes" indent="yes"/>
	<xsl:template match="/">
	<xsl:for-each select="//*[local-name() = 'GetFeature']">
	  <xsl:copy-of select="ogc:Filter"/>
	</xsl:for-each>
	</xsl:template>
</xsl:transform>
EOF;

			DBG::_('DBG_XML', '>2', "convertOgcFilterXslString", $convertOgcFilterXslString, __CLASS__, __FUNCTION__, __LINE__);
			$convertTransactionXsl = new DOMDocument();
			$convertTransactionXsl->loadXml($convertOgcFilterXslString);

			$requestXml = new DOMDocument();
			$requestXml->loadXml($requestOgcFilter);

			$proc = new XSLTProcessor();
			$proc->importStylesheet($convertTransactionXsl);
			$ogcFilter = $proc->transformToXML($requestXml);
			DBG::_('DBG_XML', '>2', "ogcFilter", $ogcFilter, __CLASS__, __FUNCTION__, __LINE__);
		}
		return $ogcFilter;
	}

}