/*
* 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.gml2.bindings;
import java.util.List;
import javax.xml.namespace.QName;
import org.geotools.gml2.GML;
import org.geotools.xml.AbstractComplexBinding;
import org.geotools.xml.ElementInstance;
import org.geotools.xml.Node;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.CoordinateSequence;
import com.vividsolutions.jts.geom.Envelope;
/**
* Binding object for the type http://www.opengis.net/gml:BoxType.
*
* <p>
* <pre>
* <code>
* <complexType name="BoxType">
* <annotation>
* <documentation> The Box structure defines an extent
* using a pair of coordinate tuples. </documentation>
* </annotation>
* <complexContent>
* <extension base="gml:AbstractGeometryType">
* <sequence>
* <choice>
* <element ref="gml:coord" minOccurs="2" maxOccurs="2"/>
* <element ref="gml:coordinates"/>
* </choice>
* </sequence>
* </extension>
* </complexContent>
* </complexType>
*
* </code>
* </pre>
* </p>
*
* @generated
*
* @source $URL$
*/
public class GMLBoxTypeBinding extends AbstractComplexBinding {
/**
* @generated
*/
public QName getTarget() {
return GML.BoxType;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated modifiable
*/
public Class getType() {
return Envelope.class;
}
/**
* <!-- begin-user-doc -->
* This method returns an object of type
* @link com.vividsolutions.jts.geom.Envelope.
* <!-- end-user-doc -->
*
* @generated modifiable
*/
public Object parse(ElementInstance instance, Node node, Object value)
throws Exception {
List coordinates = node.getChildren("coord");
if (!coordinates.isEmpty() && (coordinates.size() == 2)) {
Node n1 = (Node) coordinates.get(0);
Node n2 = (Node) coordinates.get(1);
Coordinate c1 = (Coordinate) n1.getValue();
Coordinate c2 = (Coordinate) n2.getValue();
return new Envelope(c1.x, c2.x, c1.y, c2.y);
}
if (!coordinates.isEmpty()) {
throw new RuntimeException("Envelope can have only two coordinates");
}
if (node.getChild("coordinates") != null) {
CoordinateSequence cs = (CoordinateSequence) node.getChild("coordinates").getValue();
if (cs.size() != 2) {
throw new RuntimeException("Envelope can have only two coordinates");
}
return new Envelope(cs.getX(0), cs.getX(1), cs.getY(0), cs.getY(1));
}
throw new RuntimeException("Could not find coordinates for envelope");
}
public Object getProperty(Object object, QName name)
throws Exception {
Envelope e = (Envelope) object;
if (GML.coord.equals(name)) {
return new Coordinate[] {
new Coordinate(e.getMinX(), e.getMinY()), new Coordinate(e.getMaxX(), e.getMaxY())
};
}
return null;
}
}