/// <summary>
/// Creates a WFS XML filter string.
/// </summary>
/// <param name="filter">The filter string.</param>
/// <param name="geometryName">Name of the geometry object.</param>
/// <param name="boundingBox">The bounding box.</param>
/// <returns>A string containing WFS XML-text.</returns>
private static string CreateWfsXmlFilterString(string filter, string geometryName, WfsBoundingBox boundingBox)
{
FormulaOperation formulaOperation;
SpatialOperation bboxOperation = null;
if (string.IsNullOrEmpty(geometryName))
{
geometryName = "the_geom";
}
if (boundingBox != null)
{
SpatialBoundingBox spatialBoundingBox = new SpatialBoundingBox(boundingBox.MinX, boundingBox.MinY, boundingBox.MaxX, boundingBox.MaxY, boundingBox.SrsName);
bboxOperation = new SpatialOperation(new SpatialFieldValue(geometryName), spatialBoundingBox, WFSSpatialOperator.InsideBbox);
}
if (string.IsNullOrEmpty(filter))
{
formulaOperation = bboxOperation ?? null;
}
else
{
WfsFormulaParser parser = new WfsFormulaParser();
formulaOperation = parser.Parse(filter);
if (bboxOperation != null)
{
formulaOperation = new BinaryLogicalOperation(formulaOperation, bboxOperation, WFSBinaryLogicalOperator.And);
}
}
WFSFilter wfsFilter = new WFSFilter {
Formula = formulaOperation
};
string strWfsXmlRepresentation = wfsFilter.WfsXmlRepresentation();
return(strWfsXmlRepresentation);
}
public void WfsXmlRepresentation_OrFormula_CorrectXmlRepresentationIsCreated()
{
string strFilter = "<Filter><Or><PropertyIsEqualTo><PropertyName>LänSKOD</PropertyName><Literal>5</Literal></PropertyIsEqualTo><PropertyIsEqualTo><PropertyName>LänSKOD</PropertyName><Literal>6</Literal></PropertyIsEqualTo></Or></Filter>";
WfsFormulaParser parser = new WfsFormulaParser();
FormulaOperation formulaOperation = parser.Parse(strFilter);
string strWfsXmlRepresentation = formulaOperation.WfsXmlRepresentation();
string expectedXmlString = "<ogc:Or><ogc:PropertyIsEqualTo matchCase=\"true\"><ogc:PropertyName>LänSKOD</ogc:PropertyName><ogc:Literal>5</ogc:Literal></ogc:PropertyIsEqualTo><ogc:PropertyIsEqualTo matchCase=\"true\"><ogc:PropertyName>LänSKOD</ogc:PropertyName><ogc:Literal>6</ogc:Literal></ogc:PropertyIsEqualTo></ogc:Or>";
Assert.IsNotNull(formulaOperation);
Assert.AreEqual(expectedXmlString, strWfsXmlRepresentation);
}
public void Parse_PropertyIsLike_FormulaIsParsedSuccessfully()
{
string strFilter = "<Filter><PropertyIsLike wildcard='*' singleChar='.' escape='!'><PropertyName>NAMN</PropertyName><Literal>*land</Literal></PropertyIsLike></Filter>";
WfsFormulaParser parser = new WfsFormulaParser();
FormulaOperation formulaOperation = parser.Parse(strFilter);
string strWfsRepresentation = formulaOperation.WFSRepresentation();
strFilter = strFilter.Replace("<Filter>", "").Replace("</Filter>", "");
Assert.IsNotNull(formulaOperation);
Assert.AreEqual(strFilter, strWfsRepresentation);
}
public void Parse_PropertyIsLessThan_FormulaIsParsedSuccessfully()
{
string strFilter = "<PropertyIsLessThan><PropertyName>LänSBOKSTA</PropertyName><Literal>25</Literal></PropertyIsLessThan>";
WfsFormulaParser parser = new WfsFormulaParser();
FormulaOperation formulaOperation = parser.Parse(strFilter);
string strWfsRepresentation = formulaOperation.WFSRepresentation();
strFilter = strFilter.Replace("<Filter>", "").Replace("</Filter>", "");
Assert.IsNotNull(formulaOperation);
Assert.AreEqual(strFilter, strWfsRepresentation);
}
public void Parse_ComplexFormula_FormulaIsParsedSuccessfully()
{
string strFilter = "<Filter><Or><Or><And><Not><PropertyIsLessThan><PropertyName>LänSBOKSTA</PropertyName><Literal>K</Literal></PropertyIsLessThan></Not><PropertyIsNotEqualTo><PropertyName>NAMN</PropertyName><Literal>Småland</Literal></PropertyIsNotEqualTo></And><PropertyIsEqualTo><PropertyName>LänSKOD</PropertyName><Literal>25</Literal></PropertyIsEqualTo></Or><PropertyIsEqualTo><PropertyName>NAMN</PropertyName><Literal>Dalarna</Literal></PropertyIsEqualTo></Or></Filter>";
WfsFormulaParser parser = new WfsFormulaParser();
FormulaOperation formulaOperation = parser.Parse(strFilter);
string strWfsRepresentation = formulaOperation.WFSRepresentation();
strFilter = strFilter.Replace("<Filter>", "").Replace("</Filter>", "");
Assert.IsNotNull(formulaOperation);
Assert.AreEqual(strFilter, strWfsRepresentation);
}
public void Parse_AndFormula_FormulaIsParsedSuccessfully()
{
string strFilter = "<Filter><And><PropertyIsEqualTo><PropertyName>LänSKOD</PropertyName><Literal>5</Literal></PropertyIsEqualTo><PropertyIsEqualTo><PropertyName>LänSKOD</PropertyName><Literal>6</Literal></PropertyIsEqualTo></And></Filter>";
WfsFormulaParser parser = new WfsFormulaParser();
FormulaOperation formulaOperation = parser.Parse(strFilter);
string strWfsRepresentation = formulaOperation.WFSRepresentation();
strFilter = strFilter.Replace("<Filter>", "").Replace("</Filter>", "");
Assert.IsNotNull(formulaOperation);
Assert.AreEqual(strFilter, strWfsRepresentation);
}
public void WfsFilterWfsXmlRepresentation_BoundingBox_CorrectXmlRepresentationIsCreated()
{
string strFilter = "<Filter><Or><PropertyIsEqualTo><PropertyName>LänSKOD</PropertyName><Literal>5</Literal></PropertyIsEqualTo><PropertyIsEqualTo><PropertyName>LänSKOD</PropertyName><Literal>6</Literal></PropertyIsEqualTo></Or></Filter>";
WfsFormulaParser parser = new WfsFormulaParser();
FormulaOperation formulaOperation = parser.Parse(strFilter);
SpatialBoundingBox spatialBoundingBox = new SpatialBoundingBox(-180, -90, 180, 90, "EPSG:4326");
var bboxOperation = new SpatialOperation(new SpatialFieldValue("the_geom"), spatialBoundingBox, WFSSpatialOperator.InsideBbox);
formulaOperation = new BinaryLogicalOperation(formulaOperation, bboxOperation, WFSBinaryLogicalOperator.And);
WFSFilter wfsFilter = new WFSFilter {
Formula = formulaOperation
};
string strWfsXmlRepresentation = wfsFilter.WfsXmlRepresentation();
string expectedXmlString = "<ogc:Filter xmlns:ogc=\"http://www.opengis.net/ogc\"><ogc:And><ogc:Or><ogc:PropertyIsEqualTo matchCase=\"true\"><ogc:PropertyName>LänSKOD</ogc:PropertyName><ogc:Literal>5</ogc:Literal></ogc:PropertyIsEqualTo><ogc:PropertyIsEqualTo matchCase=\"true\"><ogc:PropertyName>LänSKOD</ogc:PropertyName><ogc:Literal>6</ogc:Literal></ogc:PropertyIsEqualTo></ogc:Or><ogc:BBOX><ogc:PropertyName>the_geom</ogc:PropertyName><gml:Envelope xmlns:gml=\"http://www.opengis.net/gml\" srsName=\"EPSG:4326\"><gml:lowerCorner>-180 -90</gml:lowerCorner><gml:upperCorner>180 90</gml:upperCorner></gml:Envelope></ogc:BBOX></ogc:And></ogc:Filter>";
Assert.IsNotNull(formulaOperation);
Assert.AreEqual(expectedXmlString, strWfsXmlRepresentation);
}
