/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.filter.v1_0;
import java.util.ArrayList;
import java.util.List;
import org.picocontainer.MutablePicoContainer;
import javax.xml.namespace.QName;
import com.vividsolutions.jts.geom.GeometryFactory;
import org.opengis.filter.FilterFactory2;
import org.opengis.filter.expression.Function;
import org.opengis.filter.spatial.BinarySpatialOperator;
import org.geotools.xml.AbstractComplexBinding;
import org.geotools.xml.ElementInstance;
import org.geotools.xml.Node;
/**
* Binding object for the type http://www.opengis.net/ogc:BinarySpatialOpType.
*
* <p>
* <pre>
* <code>
* <xsd:complexType name="BinarySpatialOpType">
* <xsd:complexContent>
* <xsd:extension base="ogc:SpatialOpsType">
* <xsd:sequence>
* <xsd:element ref="ogc:PropertyName"/>
* <xsd:choice>
* <xsd:element ref="gml:_Geometry"/>
* <xsd:element ref="gml:Box"/>
* </xsd:choice>
* </xsd:sequence>
* </xsd:extension>
* </xsd:complexContent>
* </xsd:complexType>
*
* </code>
* </pre>
* </p>
*
* @generated
*
*
* @source $URL$
*/
public class OGCBinarySpatialOpTypeBinding extends AbstractComplexBinding {
private FilterFactory2 factory;
private GeometryFactory gFactory;
public OGCBinarySpatialOpTypeBinding(FilterFactory2 factory, GeometryFactory gFactory) {
this.factory = factory;
this.gFactory = gFactory;
}
/**
* @generated
*/
public QName getTarget() {
return OGC.BinarySpatialOpType;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated modifiable
*/
public int getExecutionMode() {
return AFTER;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated modifiable
*/
public Class getType() {
return BinarySpatialOperator.class;
}
/**
* <!-- begin-user-doc -->
* We check out the instance for the <code>op</code> so we can fail early.
* <!-- end-user-doc -->
*
* @generated modifiable
*/
public void initialize(ElementInstance instance, Node node, MutablePicoContainer context) {
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated modifiable
*/
public Object parse(ElementInstance instance, Node node, Object value)
throws Exception {
//implemented by element bindings
return null;
// //TODO: replace with element bindings
// PropertyName e1 = (PropertyName) node.getChildValue(PropertyName.class);
// Expression e2 = null;
//
// if (node.hasChild(Geometry.class)) {
// e2 = factory.literal(node.getChildValue(Geometry.class));
// } else {
// //turn bounding box into geometry
// //TODO: not sure if this should be done here but I am pretty sure filter
// // implementation expect this to be a geometry
// Envelope bbox = (Envelope) node.getChildValue(Envelope.class);
// e2 = factory.literal(gFactory.createPolygon(gFactory.createLinearRing(
// new Coordinate[] {
// new Coordinate(bbox.getMinX(), bbox.getMinY()),
// new Coordinate(bbox.getMinX(), bbox.getMaxY()),
// new Coordinate(bbox.getMaxX(), bbox.getMaxY()),
// new Coordinate(bbox.getMaxX(), bbox.getMinY()),
// new Coordinate(bbox.getMinX(), bbox.getMinY())
// }), null));
// }
//
// String name = instance.getName();
//
// //<xsd:element name="Equals" substitutionGroup="ogc:spatialOps" type="ogc:BinarySpatialOpType"/>
// if ("Equals".equals(name)) {
// return factory.equal(e1, e2);
// }
// //<xsd:element name="Disjoint" substitutionGroup="ogc:spatialOps" type="ogc:BinarySpatialOpType"/>
// else if ("Disjoint".equals(name)) {
// return factory.disjoint(e1, e2);
// }
// //<xsd:element name="Touches" substitutionGroup="ogc:spatialOps" type="ogc:BinarySpatialOpType"/>
// else if ("Touches".equals(name)) {
// return factory.touches(e1, e2);
// }
// //<xsd:element name="Within" substitutionGroup="ogc:spatialOps" type="ogc:BinarySpatialOpType"/>
// else if ("Within".equals(name)) {
// //TODO: within method on FilterFactory2 needs to take two expressoins
// return factory.within(e1, e2);
// }
// //<xsd:element name="Overlaps" substitutionGroup="ogc:spatialOps" type="ogc:BinarySpatialOpType"/>
// else if ("Overlaps".equals(name)) {
// return factory.overlaps(e1, e2);
// }
// //<xsd:element name="Crosses" substitutionGroup="ogc:spatialOps" type="ogc:BinarySpatialOpType"/>
// else if ("Crosses".equals(name)) {
// return factory.crosses(e1, e2);
// }
// //<xsd:element name="Intersects" substitutionGroup="ogc:spatialOps" type="ogc:BinarySpatialOpType"/>
// else if ("Intersects".equals(name)) {
// return factory.intersects(e1, e2);
// }
// //<xsd:element name="Contains" substitutionGroup="ogc:spatialOps" type="ogc:BinarySpatialOpType"/>
// else if ("Contains".equals(name)) {
// return factory.contains(e1, e2);
// } else {
// throw new IllegalStateException("Unknown - " + name);
// }
}
public Object getProperty(Object object, QName name)
throws Exception {
BinarySpatialOperator operator = (BinarySpatialOperator) object;
return OGCUtils.property(operator.getExpression1(), operator.getExpression2(), name);
}
public List getProperties(Object object) throws Exception {
//special hack for Functions, while not mandated by the spec we handle it
// here
BinarySpatialOperator operator = (BinarySpatialOperator) object;
if ( operator.getExpression2() instanceof Function ) {
ArrayList props = new ArrayList();
props.add( new Object[]{ OGC.Function, operator.getExpression2() } );
return props;
}
return super.getProperties(object);
}
}