Examples with DWithinType org.geotoolkit.ogc.xml.v110.DWithinType used on opensource projects

Example 1 with DWithinType

use of org.geotoolkit.ogc.xml.v110.DWithinType in project geotoolkit by Geomatys.

the class FilterFactoryImpl method dwithin.

@Override
public DistanceOperator<Object> dwithin(final Expression geometry1, final Expression geometry2, final double distance, String units) {
    String propertyName = "";
    // we get the propertyName
    if (geometry1 instanceof PropertyNameType) {
        propertyName = ((PropertyNameType) geometry1).getXPath();
    } else {
        throw new IllegalArgumentException("unexpected type instead of propertyNameType: " + geometry1.getClass().getSimpleName());
    }
    // we transform the JTS geometry into a GML geometry
    Object geom = null;
    if (geometry2 instanceof LiteralType) {
        geom = ((LiteralType) geometry2).getValue();
        geom = GeometryToGML(geom);
    }
    // we formats the units (CQL parser add a white space at the end)
    if (units.indexOf(' ') == units.length() - 1) {
        units = units.substring(0, units.length() - 1);
    }
    return new DWithinType(propertyName, (AbstractGeometryType) geom, distance, units);
}

Example 2 with DWithinType

use of org.geotoolkit.ogc.xml.v110.DWithinType in project geotoolkit by Geomatys.

the class FilterToOGC110Converter method visit.

public JAXBElement<?> visit(final Filter filter) {
    if (filter.equals(Filter.include())) {
        return null;
    }
    if (filter.equals(Filter.exclude())) {
        return null;
    }
    final CodeList<?> type = filter.getOperatorType();
    if (filter instanceof BetweenComparisonOperator) {
        final BetweenComparisonOperator pib = (BetweenComparisonOperator) filter;
        final LowerBoundaryType lbt = ogc_factory.createLowerBoundaryType();
        lbt.setExpression(extract(pib.getLowerBoundary()));
        final UpperBoundaryType ubt = ogc_factory.createUpperBoundaryType();
        ubt.setExpression(extract(pib.getUpperBoundary()));
        final PropertyIsBetweenType bot = new PropertyIsBetweenType(extract(pib.getExpression()), lbt, ubt);
        return ogc_factory.createPropertyIsBetween(bot);
    } else if (type == ComparisonOperatorName.PROPERTY_IS_EQUAL_TO) {
        final BinaryComparisonOperator pit = (BinaryComparisonOperator) filter;
        final PropertyIsEqualToType bot = ogc_factory.createPropertyIsEqualToType();
        bot.getExpression().add(extract(pit.getOperand1()));
        bot.getExpression().add(extract(pit.getOperand2()));
        return ogc_factory.createPropertyIsEqualTo(bot);
    } else if (type == ComparisonOperatorName.PROPERTY_IS_GREATER_THAN) {
        final BinaryComparisonOperator pit = (BinaryComparisonOperator) filter;
        final PropertyIsGreaterThanType bot = ogc_factory.createPropertyIsGreaterThanType();
        bot.getExpression().add(extract(pit.getOperand1()));
        bot.getExpression().add(extract(pit.getOperand2()));
        return ogc_factory.createPropertyIsGreaterThan(bot);
    } else if (type == ComparisonOperatorName.PROPERTY_IS_GREATER_THAN_OR_EQUAL_TO) {
        final BinaryComparisonOperator pit = (BinaryComparisonOperator) filter;
        final PropertyIsGreaterThanOrEqualToType bot = ogc_factory.createPropertyIsGreaterThanOrEqualToType();
        bot.getExpression().add(extract(pit.getOperand1()));
        bot.getExpression().add(extract(pit.getOperand2()));
        return ogc_factory.createPropertyIsGreaterThanOrEqualTo(bot);
    } else if (type == ComparisonOperatorName.PROPERTY_IS_LESS_THAN) {
        final BinaryComparisonOperator pit = (BinaryComparisonOperator) filter;
        final PropertyIsLessThanType bot = ogc_factory.createPropertyIsLessThanType();
        bot.getExpression().add(extract(pit.getOperand1()));
        bot.getExpression().add(extract(pit.getOperand2()));
        return ogc_factory.createPropertyIsLessThan(bot);
    } else if (type == ComparisonOperatorName.PROPERTY_IS_LESS_THAN_OR_EQUAL_TO) {
        final BinaryComparisonOperator pit = (BinaryComparisonOperator) filter;
        final PropertyIsLessThanOrEqualToType bot = ogc_factory.createPropertyIsLessThanOrEqualToType();
        bot.getExpression().add(extract(pit.getOperand1()));
        bot.getExpression().add(extract(pit.getOperand2()));
        return ogc_factory.createPropertyIsLessThanOrEqualTo(bot);
    } else if (filter instanceof LikeOperator) {
        final LikeOperator pis = (LikeOperator) filter;
        final List<Expression> expressions = filter.getExpressions();
        final PropertyIsLikeType bot = ogc_factory.createPropertyIsLikeType();
        bot.setEscapeChar(String.valueOf(pis.getEscapeChar()));
        final LiteralType lt = ogc_factory.createLiteralType();
        lt.setContent(((Literal) expressions.get(1)).getValue());
        bot.setLiteral(lt.getStringValue());
        final Expression expression = expressions.get(0);
        if (!(expression instanceof ValueReference)) {
            throw new IllegalArgumentException("LikeOperator can support ValueReference only, but was a " + expression);
        }
        final PropertyNameType pnt = (PropertyNameType) extract(expression).getValue();
        bot.setPropertyName(pnt);
        bot.setSingleChar(String.valueOf(pis.getSingleChar()));
        bot.setWildCard(String.valueOf(pis.getWildCard()));
        return ogc_factory.createPropertyIsLike(bot);
    } else if (type == ComparisonOperatorName.PROPERTY_IS_NOT_EQUAL_TO) {
        final BinaryComparisonOperator pit = (BinaryComparisonOperator) filter;
        final PropertyIsNotEqualToType bot = ogc_factory.createPropertyIsNotEqualToType();
        bot.getExpression().add(extract(pit.getOperand1()));
        bot.getExpression().add(extract(pit.getOperand2()));
        return ogc_factory.createPropertyIsNotEqualTo(bot);
    } else if (filter instanceof NullOperator) {
        final NullOperator pis = (NullOperator) filter;
        final PropertyIsNullType bot = ogc_factory.createPropertyIsNullType();
        final Object obj = extract((Expression) pis.getExpressions().get(0)).getValue();
        bot.setPropertyName((PropertyNameType) obj);
        return ogc_factory.createPropertyIsNull(bot);
    } else if (type == LogicalOperatorName.AND) {
        final LogicalOperator and = (LogicalOperator) filter;
        final List<JAXBElement> children = new ArrayList<>();
        for (final Filter f : (List<Filter>) and.getOperands()) {
            final JAXBElement<? extends LogicOpsType> ele = (JAXBElement<? extends LogicOpsType>) visit(f);
            if (ele != null) {
                children.add(ele);
            }
        }
        return ogc_factory.createAnd(new AndType(children.toArray()));
    } else if (type == LogicalOperatorName.OR) {
        final LogicalOperator or = (LogicalOperator) filter;
        final List<JAXBElement> children = new ArrayList<>();
        for (final Filter f : (List<Filter>) or.getOperands()) {
            final JAXBElement<? extends LogicOpsType> ele = (JAXBElement<? extends LogicOpsType>) visit(f);
            if (ele != null) {
                children.add(ele);
            }
        }
        return ogc_factory.createOr(new OrType(children.toArray()));
    } else if (type == LogicalOperatorName.NOT) {
        final LogicalOperator not = (LogicalOperator) filter;
        JAXBElement<?> sf = visit((Filter) not.getOperands().get(0));
        return ogc_factory.createNot(new NotType(sf.getValue()));
    } else if (filter instanceof ResourceId) {
        throw new IllegalArgumentException("Not parsed yet : " + filter);
    } else if (type == SpatialOperatorName.BBOX) {
        final BBOX bbox = BBOX.wrap((BinarySpatialOperator) filter);
        final Expression left = bbox.getOperand1();
        final Expression right = bbox.getOperand2();
        final String property;
        final double minx;
        final double maxx;
        final double miny;
        final double maxy;
        String srs;
        if (left instanceof ValueReference) {
            property = ((ValueReference) left).getXPath();
            final Object objGeom = ((Literal) right).getValue();
            if (objGeom instanceof org.opengis.geometry.Envelope) {
                final org.opengis.geometry.Envelope env = (org.opengis.geometry.Envelope) objGeom;
                minx = env.getMinimum(0);
                maxx = env.getMaximum(0);
                miny = env.getMinimum(1);
                maxy = env.getMaximum(1);
                try {
                    srs = IdentifiedObjects.lookupURN(env.getCoordinateReferenceSystem(), null);
                    if (srs == null) {
                        srs = ReferencingUtilities.lookupIdentifier(env.getCoordinateReferenceSystem(), true);
                    }
                } catch (FactoryException ex) {
                    throw new IllegalArgumentException("invalid bbox element : " + filter + " " + ex.getMessage(), ex);
                }
            } else if (objGeom instanceof Geometry) {
                final Geometry geom = (Geometry) objGeom;
                final Envelope env = geom.getEnvelopeInternal();
                minx = env.getMinX();
                maxx = env.getMaxX();
                miny = env.getMinY();
                maxy = env.getMaxY();
                srs = SRIDGenerator.toSRS(geom.getSRID(), SRIDGenerator.Version.V1);
            } else {
                throw new IllegalArgumentException("invalide bbox element : " + filter);
            }
        } else if (right instanceof ValueReference) {
            property = ((ValueReference) right).getXPath();
            final Object objGeom = ((Literal) left).getValue();
            if (objGeom instanceof org.opengis.geometry.Envelope) {
                final org.opengis.geometry.Envelope env = (org.opengis.geometry.Envelope) objGeom;
                minx = env.getMinimum(0);
                maxx = env.getMaximum(0);
                miny = env.getMinimum(1);
                maxy = env.getMaximum(1);
                try {
                    srs = IdentifiedObjects.lookupURN(env.getCoordinateReferenceSystem(), null);
                } catch (FactoryException ex) {
                    throw new IllegalArgumentException("invalide bbox element : " + filter + " " + ex.getMessage(), ex);
                }
            } else if (objGeom instanceof Geometry) {
                final Geometry geom = (Geometry) objGeom;
                final Envelope env = geom.getEnvelopeInternal();
                minx = env.getMinX();
                maxx = env.getMaxX();
                miny = env.getMinY();
                maxy = env.getMaxY();
                srs = SRIDGenerator.toSRS(geom.getSRID(), SRIDGenerator.Version.V1);
            } else {
                throw new IllegalArgumentException("invalide bbox element : " + filter);
            }
        } else {
            throw new IllegalArgumentException("invalide bbox element : " + filter);
        }
        final BBOXType bbtype = new BBOXType(property, minx, miny, maxx, maxy, srs);
        return ogc_factory.createBBOX(bbtype);
    } else if (filter instanceof ResourceId) {
        // todo OGC filter can not handle ID when we are inside another filter type
        // so here we make a small tric to change an id filter in a serie of propertyequal filter
        // this is not really legal but we dont have the choice here
        // we should propose an evolution of ogc filter do consider id filter as a comparison filter
        final ValueReference n = FF.property(AttributeConvention.IDENTIFIER);
        String ident = ((ResourceId) filter).getIdentifier();
        return visit(FF.equal(n, FF.literal(ident)));
    } else if (filter instanceof SpatialOperator) {
        final BinarySpatialOperator spatialOp = (BinarySpatialOperator) filter;
        Expression exp1 = spatialOp.getOperand1();
        Expression exp2 = spatialOp.getOperand2();
        if (!(exp1 instanceof ValueReference)) {
            // flip order
            final Expression ex = exp1;
            exp1 = exp2;
            exp2 = ex;
        }
        if (!(exp1 instanceof ValueReference)) {
            throw new IllegalArgumentException("Filter can not be transformed in wml filter, " + "expression are not of the requiered type ");
        }
        final JAXBElement<PropertyNameType> pnt = (JAXBElement<PropertyNameType>) extract(exp1);
        final JAXBElement<EnvelopeType> jaxEnv;
        final JAXBElement<? extends AbstractGeometryType> jaxGeom;
        final Object geom = ((Literal) exp2).getValue();
        if (geom instanceof Geometry) {
            final Geometry jts = (Geometry) geom;
            final String srid = SRIDGenerator.toSRS(jts.getSRID(), SRIDGenerator.Version.V1);
            CoordinateReferenceSystem crs;
            try {
                crs = CRS.forCode(srid);
            } catch (Exception ex) {
                Logger.getLogger("org.geotoolkit.sld.xml").log(Level.WARNING, null, ex);
                crs = null;
            }
            final AbstractGeometryType gt = GMLUtilities.getGMLFromISO(JTSUtils.toISO(jts, crs));
            // TODO use gml method to return any JAXBElement
            if (gt instanceof PointType) {
                jaxGeom = gml_factory.createPoint((PointType) gt);
            } else if (gt instanceof CurveType) {
                jaxGeom = gml_factory.createCurve((CurveType) gt);
            } else if (gt instanceof LineStringType) {
                jaxGeom = gml_factory.createLineString((LineStringType) gt);
            } else if (gt instanceof PolygonType) {
                jaxGeom = gml_factory.createPolygon((PolygonType) gt);
            } else if (gt instanceof MultiPolygonType) {
                jaxGeom = gml_factory.createMultiPolygon((MultiPolygonType) gt);
            } else if (gt instanceof MultiLineStringType) {
                jaxGeom = gml_factory.createMultiLineString((MultiLineStringType) gt);
            } else if (gt instanceof MultiCurveType) {
                jaxGeom = gml_factory.createMultiLineString((MultiLineStringType) gt);
            } else if (gt instanceof MultiPointType) {
                jaxGeom = gml_factory.createMultiLineString((MultiLineStringType) gt);
            } else if (gt instanceof MultiGeometryType) {
                jaxGeom = gml_factory.createMultiGeometry((MultiGeometryType) gt);
            } else if (gt instanceof PolyhedralSurfaceType) {
                jaxGeom = gml_factory.createPolyhedralSurface((PolyhedralSurfaceType) gt);
            } else if (gt != null) {
                throw new IllegalArgumentException("unexpected Geometry type:" + gt.getClass().getName());
            } else {
                jaxGeom = null;
            }
            jaxEnv = null;
        } else if (geom instanceof org.opengis.geometry.Geometry) {
            final AbstractGeometryType gt = GMLUtilities.getGMLFromISO((org.opengis.geometry.Geometry) geom);
            // TODO use gml method to return any JAXBElement
            if (gt instanceof PointType) {
                jaxGeom = gml_factory.createPoint((PointType) gt);
            } else if (gt instanceof CurveType) {
                jaxGeom = gml_factory.createCurve((CurveType) gt);
            } else if (gt instanceof LineStringType) {
                jaxGeom = gml_factory.createLineString((LineStringType) gt);
            } else if (gt instanceof PolygonType) {
                jaxGeom = gml_factory.createPolygon((PolygonType) gt);
            } else if (gt instanceof MultiPolygonType) {
                jaxGeom = gml_factory.createMultiPolygon((MultiPolygonType) gt);
            } else if (gt instanceof MultiLineStringType) {
                jaxGeom = gml_factory.createMultiLineString((MultiLineStringType) gt);
            } else if (gt instanceof MultiCurveType) {
                jaxGeom = gml_factory.createMultiLineString((MultiLineStringType) gt);
            } else if (gt instanceof MultiPointType) {
                jaxGeom = gml_factory.createMultiLineString((MultiLineStringType) gt);
            } else if (gt instanceof MultiGeometryType) {
                jaxGeom = gml_factory.createMultiGeometry((MultiGeometryType) gt);
            } else if (gt instanceof PolyhedralSurfaceType) {
                jaxGeom = gml_factory.createPolyhedralSurface((PolyhedralSurfaceType) gt);
            } else if (gt != null) {
                throw new IllegalArgumentException("unexpected Geometry type:" + gt.getClass().getName());
            } else {
                jaxGeom = null;
            }
            jaxEnv = null;
        } else if (geom instanceof org.opengis.geometry.Envelope) {
            final org.opengis.geometry.Envelope genv = (org.opengis.geometry.Envelope) geom;
            EnvelopeType ee = gml_factory.createEnvelopeType();
            try {
                ee.setSrsName(IdentifiedObjects.lookupURN(genv.getCoordinateReferenceSystem(), null));
            } catch (FactoryException ex) {
                Logger.getLogger("org.geotoolkit.sld.xml").log(Level.WARNING, null, ex);
            }
            ee.setLowerCorner(new DirectPositionType(genv.getLowerCorner()));
            ee.setUpperCorner(new DirectPositionType(genv.getUpperCorner()));
            jaxGeom = null;
            jaxEnv = gml_factory.createEnvelope(ee);
        } else {
            throw new IllegalArgumentException("Type is not geometric or envelope.");
        }
        if (type == DistanceOperatorName.BEYOND) {
            final BeyondType jaxelement = ogc_factory.createBeyondType();
            jaxelement.setAbstractGeometry(jaxGeom);
            jaxelement.setPropertyName(pnt.getValue());
            return ogc_factory.createBeyond(jaxelement);
        } else if (type == SpatialOperatorName.CONTAINS) {
            final ContainsType jaxelement = ogc_factory.createContainsType();
            jaxelement.setAbstractGeometry(jaxGeom);
            jaxelement.setEnvelope(jaxEnv);
            jaxelement.setPropertyName(pnt);
            return ogc_factory.createContains(jaxelement);
        } else if (type == SpatialOperatorName.CROSSES) {
            final CrossesType jaxelement = ogc_factory.createCrossesType();
            jaxelement.setAbstractGeometry(jaxGeom);
            jaxelement.setEnvelope(jaxEnv);
            jaxelement.setPropertyName(pnt);
            return ogc_factory.createCrosses(jaxelement);
        } else if (type == DistanceOperatorName.WITHIN) {
            final DWithinType jaxelement = ogc_factory.createDWithinType();
            jaxelement.setAbstractGeometry(jaxGeom);
            jaxelement.setPropertyName(pnt.getValue());
            return ogc_factory.createDWithin(jaxelement);
        } else if (type == SpatialOperatorName.DISJOINT) {
            final DisjointType jaxelement = ogc_factory.createDisjointType();
            jaxelement.setAbstractGeometry(jaxGeom);
            jaxelement.setEnvelope(jaxEnv);
            jaxelement.setPropertyName(pnt);
            return ogc_factory.createDisjoint(jaxelement);
        } else if (type == SpatialOperatorName.EQUALS) {
            final EqualsType jaxelement = ogc_factory.createEqualsType();
            jaxelement.setAbstractGeometry(jaxGeom);
            jaxelement.setEnvelope(jaxEnv);
            jaxelement.setPropertyName(pnt);
            return ogc_factory.createEquals(jaxelement);
        } else if (type == SpatialOperatorName.INTERSECTS) {
            final IntersectsType jaxelement = ogc_factory.createIntersectsType();
            jaxelement.setAbstractGeometry(jaxGeom);
            jaxelement.setEnvelope(jaxEnv);
            jaxelement.setPropertyName(pnt);
            return ogc_factory.createIntersects(jaxelement);
        } else if (type == SpatialOperatorName.OVERLAPS) {
            final OverlapsType jaxelement = new OverlapsType();
            jaxelement.setAbstractGeometry(jaxGeom);
            jaxelement.setEnvelope(jaxEnv);
            jaxelement.setPropertyName(pnt);
            return ogc_factory.createOverlaps(jaxelement);
        } else if (type == SpatialOperatorName.TOUCHES) {
            final TouchesType jaxelement = ogc_factory.createTouchesType();
            jaxelement.setAbstractGeometry(jaxGeom);
            jaxelement.setEnvelope(jaxEnv);
            jaxelement.setPropertyName(pnt);
            return ogc_factory.createTouches(jaxelement);
        } else if (type == SpatialOperatorName.WITHIN) {
            final WithinType jaxelement = ogc_factory.createWithinType();
            jaxelement.setAbstractGeometry(jaxGeom);
            jaxelement.setEnvelope(jaxEnv);
            jaxelement.setPropertyName(pnt);
            return ogc_factory.createWithin(jaxelement);
        } else {
            throw new IllegalArgumentException("Unknowed filter element : " + filter + " class :" + filter.getClass());
        }
    } else {
        throw new IllegalArgumentException("Unknowed filter element : " + filter + " class :" + filter.getClass());
    }
}

Example 3 with DWithinType

use of org.geotoolkit.ogc.xml.v110.DWithinType in project geotoolkit by Geomatys.

the class FilterToOGC200Converter method visit.

public JAXBElement visit(Filter filter) {
    if (filter.equals(Filter.include()) || filter.equals(Filter.exclude())) {
        return null;
    }
    final CodeList<?> type = filter.getOperatorType();
    if (filter instanceof BetweenComparisonOperator) {
        final BetweenComparisonOperator pib = (BetweenComparisonOperator) filter;
        final LowerBoundaryType lbt = ogc_factory.createLowerBoundaryType();
        lbt.setExpression(extract(pib.getLowerBoundary()));
        final UpperBoundaryType ubt = ogc_factory.createUpperBoundaryType();
        ubt.setExpression(extract(pib.getUpperBoundary()));
        final PropertyIsBetweenType bot = new PropertyIsBetweenType();
        bot.setExpression(extract(pib.getExpression()));
        bot.setLowerBoundary(lbt);
        bot.setUpperBoundary(ubt);
        return ogc_factory.createPropertyIsBetween(bot);
    } else if (type == ComparisonOperatorName.PROPERTY_IS_EQUAL_TO) {
        final BinaryComparisonOperator pit = (BinaryComparisonOperator) filter;
        final PropertyIsEqualToType bot = new PropertyIsEqualToType();
        bot.getExpression().add(extract(pit.getOperand1()));
        bot.getExpression().add(extract(pit.getOperand2()));
        return ogc_factory.createPropertyIsEqualTo(bot);
    } else if (type == ComparisonOperatorName.PROPERTY_IS_GREATER_THAN) {
        final BinaryComparisonOperator pit = (BinaryComparisonOperator) filter;
        final PropertyIsGreaterThanType bot = new PropertyIsGreaterThanType();
        bot.getExpression().add(extract(pit.getOperand1()));
        bot.getExpression().add(extract(pit.getOperand2()));
        return ogc_factory.createPropertyIsGreaterThan(bot);
    } else if (type == ComparisonOperatorName.PROPERTY_IS_GREATER_THAN_OR_EQUAL_TO) {
        final BinaryComparisonOperator pit = (BinaryComparisonOperator) filter;
        final PropertyIsGreaterThanOrEqualToType bot = new PropertyIsGreaterThanOrEqualToType();
        bot.getExpression().add(extract(pit.getOperand1()));
        bot.getExpression().add(extract(pit.getOperand2()));
        return ogc_factory.createPropertyIsGreaterThanOrEqualTo(bot);
    } else if (type == ComparisonOperatorName.PROPERTY_IS_LESS_THAN) {
        final BinaryComparisonOperator pit = (BinaryComparisonOperator) filter;
        final PropertyIsLessThanType bot = new PropertyIsLessThanType();
        bot.getExpression().add(extract(pit.getOperand1()));
        bot.getExpression().add(extract(pit.getOperand2()));
        return ogc_factory.createPropertyIsLessThan(bot);
    } else if (type == ComparisonOperatorName.PROPERTY_IS_LESS_THAN_OR_EQUAL_TO) {
        final BinaryComparisonOperator pit = (BinaryComparisonOperator) filter;
        final PropertyIsLessThanOrEqualToType bot = new PropertyIsLessThanOrEqualToType();
        bot.getExpression().add(extract(pit.getOperand1()));
        bot.getExpression().add(extract(pit.getOperand2()));
        return ogc_factory.createPropertyIsLessThanOrEqualTo(bot);
    } else if (filter instanceof LikeOperator) {
        final LikeOperator pis = (LikeOperator) filter;
        final List<Expression> expressions = filter.getExpressions();
        final PropertyIsLikeType bot = ogc_factory.createPropertyIsLikeType();
        bot.setEscape(String.valueOf(pis.getEscapeChar()));
        final LiteralType lt = ogc_factory.createLiteralType();
        lt.setContent(((Literal) expressions.get(1)).getValue());
        bot.getElements().add(ogc_factory.createLiteral(lt));
        final Expression expression = expressions.get(0);
        if (!(expression instanceof ValueReference)) {
            throw new IllegalArgumentException("LikeOperator can support ValueReference only, but was a " + expression);
        }
        bot.getElements().add(0, extract(expression));
        bot.setSingleChar(String.valueOf(pis.getSingleChar()));
        bot.setWildCard(String.valueOf(pis.getWildCard()));
        return ogc_factory.createPropertyIsLike(bot);
    } else if (type == ComparisonOperatorName.PROPERTY_IS_NOT_EQUAL_TO) {
        final BinaryComparisonOperator pit = (BinaryComparisonOperator) filter;
        final PropertyIsNotEqualToType bot = new PropertyIsNotEqualToType();
        bot.getExpression().add(extract(pit.getOperand1()));
        bot.getExpression().add(extract(pit.getOperand2()));
        return ogc_factory.createPropertyIsNotEqualTo(bot);
    } else if (filter instanceof NullOperator) {
        final NullOperator pis = (NullOperator) filter;
        final PropertyIsNullType bot = ogc_factory.createPropertyIsNullType();
        bot.setExpression(extract((Expression) pis.getExpressions().get(0)));
        return ogc_factory.createPropertyIsNull(bot);
    } else if (type == LogicalOperatorName.AND) {
        final LogicalOperator and = (LogicalOperator) filter;
        final List<JAXBElement> lot = new ArrayList<>();
        for (final Filter f : (List<Filter>) and.getOperands()) {
            final JAXBElement<?> ele = visit(f);
            if (ele != null && ele.getValue() instanceof LogicOpsType) {
                lot.add(ele);
            }
        }
        return ogc_factory.createAnd(new AndType(lot.toArray()));
    } else if (type == LogicalOperatorName.OR) {
        final LogicalOperator or = (LogicalOperator) filter;
        final List<JAXBElement> lot = new ArrayList<>();
        for (final Filter f : (List<Filter>) or.getOperands()) {
            final JAXBElement subFilter = visit(f);
            if (subFilter != null) {
                lot.add(subFilter);
            }
        }
        return ogc_factory.createOr(new OrType(lot.toArray()));
    } else if (type == LogicalOperatorName.NOT) {
        final LogicalOperator not = (LogicalOperator) filter;
        final JAXBElement<?> sf = visit((Filter) not.getOperands().get(0));
        // should not happen
        return ogc_factory.createNot(new NotType(sf));
    } else if (filter instanceof ResourceId) {
        throw new IllegalArgumentException("Not parsed yet : " + filter);
    } else if (type == SpatialOperatorName.BBOX) {
        final BBOX bbox = BBOX.wrap((BinarySpatialOperator) filter);
        final Expression left = bbox.getOperand1();
        final Expression right = bbox.getOperand2();
        final String property;
        final double minx;
        final double maxx;
        final double miny;
        final double maxy;
        String srs;
        if (left instanceof ValueReference) {
            property = ((ValueReference) left).getXPath();
            final Object objGeom = ((Literal) right).getValue();
            if (objGeom instanceof org.opengis.geometry.Envelope) {
                final org.opengis.geometry.Envelope env = (org.opengis.geometry.Envelope) objGeom;
                minx = env.getMinimum(0);
                maxx = env.getMaximum(0);
                miny = env.getMinimum(1);
                maxy = env.getMaximum(1);
                try {
                    srs = IdentifiedObjects.lookupURN(env.getCoordinateReferenceSystem(), null);
                    if (srs == null) {
                        srs = ReferencingUtilities.lookupIdentifier(env.getCoordinateReferenceSystem(), true);
                    }
                } catch (FactoryException ex) {
                    throw new IllegalArgumentException("invalid bbox element : " + filter + " " + ex.getMessage(), ex);
                }
            } else if (objGeom instanceof Geometry) {
                final Geometry geom = (Geometry) objGeom;
                final Envelope env = geom.getEnvelopeInternal();
                minx = env.getMinX();
                maxx = env.getMaxX();
                miny = env.getMinY();
                maxy = env.getMaxY();
                srs = SRIDGenerator.toSRS(geom.getSRID(), SRIDGenerator.Version.V1);
            } else {
                throw new IllegalArgumentException("invalid bbox element : " + filter);
            }
        } else if (right instanceof ValueReference) {
            property = ((ValueReference) right).getXPath();
            final Object objGeom = ((Literal) left).getValue();
            if (objGeom instanceof org.opengis.geometry.Envelope) {
                final org.opengis.geometry.Envelope env = (org.opengis.geometry.Envelope) objGeom;
                minx = env.getMinimum(0);
                maxx = env.getMaximum(0);
                miny = env.getMinimum(1);
                maxy = env.getMaximum(1);
                try {
                    srs = IdentifiedObjects.lookupURN(env.getCoordinateReferenceSystem(), null);
                    if (srs == null) {
                        srs = ReferencingUtilities.lookupIdentifier(env.getCoordinateReferenceSystem(), true);
                    }
                } catch (FactoryException ex) {
                    throw new IllegalArgumentException("invalid bbox element : " + filter + " " + ex.getMessage(), ex);
                }
            } else if (objGeom instanceof Geometry) {
                final Geometry geom = (Geometry) objGeom;
                final Envelope env = geom.getEnvelopeInternal();
                minx = env.getMinX();
                maxx = env.getMaxX();
                miny = env.getMinY();
                maxy = env.getMaxY();
                srs = SRIDGenerator.toSRS(geom.getSRID(), SRIDGenerator.Version.V1);
            } else {
                throw new IllegalArgumentException("invalid bbox element : " + filter);
            }
        } else {
            throw new IllegalArgumentException("invalid bbox element : " + filter);
        }
        final BBOXType bbtype = new BBOXType(property, minx, miny, maxx, maxy, srs);
        return ogc_factory.createBBOX(bbtype);
    } else if (filter instanceof ResourceId) {
        final ValueReference n = FF.property(AttributeConvention.IDENTIFIER);
        ResourceId idFilter = (ResourceId) filter;
        final String id = idFilter.getIdentifier();
        final ResourceIdType rId = ogc_factory.createResourceIdType();
        rId.setRid(id);
        return ogc_factory.createResourceId(rId);
    } else if (filter instanceof BinarySpatialOperator) {
        final BinarySpatialOperator spatialOp = (BinarySpatialOperator) filter;
        Expression exp1 = spatialOp.getOperand1();
        Expression exp2 = spatialOp.getOperand2();
        if (!(exp1 instanceof ValueReference)) {
            // flip order
            final Expression ex = exp1;
            exp1 = exp2;
            exp2 = ex;
        }
        if (!(exp1 instanceof ValueReference)) {
            throw new IllegalArgumentException("Filter can not be transformed in xml filter, " + "expression are not of the required type ");
        } else if (!(exp2 instanceof Literal)) {
            throw new IllegalArgumentException("Spatial operator should use a literal object containing the filtering geometry.");
        }
        final JAXBElement pnt = extract(exp1);
        final String pName;
        if (pnt.getValue() instanceof String) {
            pName = (String) pnt.getValue();
        } else {
            throw new IllegalArgumentException("Property name cannot be cast to string.");
        }
        final JAXBElement<?> geometryExpression;
        final Object geom = ((Literal) exp2).getValue();
        if (geom instanceof Geometry) {
            final Geometry jts = (Geometry) geom;
            final String srid = SRIDGenerator.toSRS(jts.getSRID(), SRIDGenerator.Version.V1);
            CoordinateReferenceSystem crs;
            try {
                crs = CRS.forCode(srid);
            } catch (Exception ex) {
                Logger.getLogger("org.geotoolkit.sld.xml").log(Level.WARNING, null, ex);
                crs = null;
            }
            final AbstractGeometry gmlGeom;
            try {
                gmlGeom = JTStoGeometry.toGML("3.2.1", jts);
            } catch (FactoryException ex) {
                throw new IllegalArgumentException(ex);
            }
            // TODO use gml method to return any JAXBElement
            if (gmlGeom instanceof PointType) {
                geometryExpression = gml_factory.createPoint((PointType) gmlGeom);
            } else if (gmlGeom instanceof CurveType) {
                geometryExpression = gml_factory.createCurve((CurveType) gmlGeom);
            } else if (gmlGeom instanceof LineStringType) {
                geometryExpression = gml_factory.createLineString((LineStringType) gmlGeom);
            } else if (gmlGeom instanceof PolygonType) {
                geometryExpression = gml_factory.createPolygon((PolygonType) gmlGeom);
            } else if (gmlGeom instanceof MultiSurfaceType) {
                geometryExpression = gml_factory.createMultiSurface((MultiSurfaceType) gmlGeom);
            } else if (gmlGeom instanceof MultiCurveType) {
                geometryExpression = gml_factory.createMultiCurve((MultiCurveType) gmlGeom);
            } else if (gmlGeom instanceof MultiPointType) {
                geometryExpression = gml_factory.createMultiPoint((MultiPointType) gmlGeom);
            } else if (gmlGeom instanceof MultiGeometryType) {
                geometryExpression = gml_factory.createMultiGeometry((MultiGeometryType) gmlGeom);
            } else if (gmlGeom instanceof SurfaceType) {
                geometryExpression = gml_factory.createPolyhedralSurface((SurfaceType) gmlGeom);
            } else {
                throw new IllegalArgumentException("Unexpected Geometry type:" + gmlGeom.getClass().getName());
            }
        } else if (geom instanceof org.opengis.geometry.Geometry) {
            throw new UnsupportedOperationException("No valid ISO implementation avaiable for now.");
        } else if (geom instanceof org.opengis.geometry.Envelope) {
            final org.opengis.geometry.Envelope genv = (org.opengis.geometry.Envelope) geom;
            EnvelopeType ee = gml_factory.createEnvelopeType();
            ee.setSrsDimension(genv.getDimension());
            if (genv.getCoordinateReferenceSystem() != null) {
                String urn;
                try {
                    urn = IdentifiedObjects.lookupURN(genv.getCoordinateReferenceSystem(), null);
                } catch (FactoryException ex) {
                    Logger.getLogger("org.geotoolkit.sld.xml").log(Level.WARNING, null, ex);
                    urn = null;
                }
                if (urn == null) {
                    urn = IdentifiedObjects.getIdentifierOrName(genv.getCoordinateReferenceSystem());
                }
                if (urn != null) {
                    ee.setSrsName(urn);
                }
            }
            ee.setLowerCorner(new DirectPositionType(genv.getLowerCorner(), false));
            ee.setUpperCorner(new DirectPositionType(genv.getUpperCorner(), false));
            geometryExpression = gml_factory.createEnvelope(ee);
        } else {
            throw new IllegalArgumentException("Type is neither geometric nor envelope.");
        }
        if (type == DistanceOperatorName.BEYOND) {
            throw new UnsupportedOperationException();
        } else if (type == SpatialOperatorName.CONTAINS) {
            return ogc_factory.createContains(new ContainsType(pName, geometryExpression));
        } else if (type == SpatialOperatorName.CROSSES) {
            ogc_factory.createCrosses(new CrossesType(pName, geometryExpression));
        } else if (type == DistanceOperatorName.WITHIN) {
            Quantity q = ((DistanceOperator) filter).getDistance();
            return ogc_factory.createDWithin(new DWithinType(pName, geometryExpression, q.getValue().doubleValue(), q.getUnit().toString()));
        } else if (type == SpatialOperatorName.DISJOINT) {
            return ogc_factory.createDisjoint(new DisjointType(pName, geometryExpression));
        } else if (type == SpatialOperatorName.EQUALS) {
            return ogc_factory.createEquals(new EqualsType(pName, geometryExpression));
        } else if (type == SpatialOperatorName.INTERSECTS) {
            return ogc_factory.createIntersects(new IntersectsType(pName, geometryExpression));
        } else if (type == SpatialOperatorName.OVERLAPS) {
            return ogc_factory.createOverlaps(new OverlapsType(pName, geometryExpression));
        } else if (type == SpatialOperatorName.TOUCHES) {
            return ogc_factory.createTouches(new TouchesType(pName, geometryExpression));
        } else if (type == SpatialOperatorName.WITHIN) {
            return ogc_factory.createWithin(new WithinType(pName, geometryExpression));
        }
        throw new IllegalArgumentException("Unknown filter element : " + filter + " class :" + filter.getClass());
    }
    throw new IllegalArgumentException("Unknown filter element : " + filter + " class :" + filter.getClass());
}