/*
* 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.gml3.bindings;
import java.util.List;
import javax.xml.namespace.QName;
import org.geotools.geometry.DirectPosition2D;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.geotools.gml3.GML;
import org.geotools.xml.AbstractComplexBinding;
import org.geotools.xml.ElementInstance;
import org.geotools.xml.Node;
import org.opengis.geometry.DirectPosition;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
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:EnvelopeType.
*
* <p>
* <pre>
* <code>
* <complexType name="EnvelopeType">
* <annotation>
* <documentation>Envelope defines an extent using a pair of positions defining opposite corners in arbitrary dimensions. The first direct
* position is the "lower corner" (a coordinate position consisting of all the minimal ordinates for each dimension for all points within the envelope),
* the second one the "upper corner" (a coordinate position consisting of all the maximal ordinates for each dimension for all points within the
* envelope).</documentation>
* </annotation>
* <choice>
* <sequence>
* <element name="lowerCorner" type="gml:DirectPositionType"/>
* <element name="upperCorner" type="gml:DirectPositionType"/>
* </sequence>
* <element maxOccurs="2" minOccurs="2" ref="gml:coord">
* <annotation>
* <appinfo>deprecated</appinfo>
* <documentation>deprecated with GML version 3.0</documentation>
* </annotation>
* </element>
* <element maxOccurs="2" minOccurs="2" ref="gml:pos">
* <annotation>
* <appinfo>deprecated</appinfo>
* <documentation>Deprecated with GML version 3.1. Use the explicit properties "lowerCorner" and "upperCorner" instead.</documentation>
* </annotation>
* </element>
* <element ref="gml:coordinates">
* <annotation>
* <documentation>Deprecated with GML version 3.1.0. Use the explicit properties "lowerCorner" and "upperCorner" instead.</documentation>
* </annotation>
* </element>
* </choice>
* <attributeGroup ref="gml:SRSReferenceGroup"/>
* </complexType>
*
* </code>
* </pre>
* </p>
*
* @generated
*
*
* @source $URL$
*/
public class EnvelopeTypeBinding extends AbstractComplexBinding {
/**
* @generated
*/
public QName getTarget() {
return GML.EnvelopeType;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated modifiable
*/
public Class getType() {
return Envelope.class;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated modifiable
*/
public Object parse(ElementInstance instance, Node node, Object value)
throws Exception {
CoordinateReferenceSystem crs = GML3ParsingUtils.crs(node);
if (node.getChild("lowerCorner") != null) {
DirectPosition l = (DirectPosition) node.getChildValue("lowerCorner");
DirectPosition u = (DirectPosition) node.getChildValue("upperCorner");
return new ReferencedEnvelope(l.getOrdinate(0), u.getOrdinate(0), l.getOrdinate(1),
u.getOrdinate(1), crs);
}
if (node.hasChild(Coordinate.class)) {
List c = node.getChildValues(Coordinate.class);
Coordinate c1 = (Coordinate) c.get(0);
Coordinate c2 = (Coordinate) c.get(1);
return new ReferencedEnvelope(c1.x, c2.x, c1.y, c2.y, crs);
}
if (node.hasChild(DirectPosition.class)) {
List dp = node.getChildValues(DirectPosition.class);
DirectPosition dp1 = (DirectPosition) dp.get(0);
DirectPosition dp2 = (DirectPosition) dp.get(1);
return new ReferencedEnvelope(dp1.getOrdinate(0), dp2.getOrdinate(0),
dp1.getOrdinate(1), dp2.getOrdinate(1), crs);
}
if (node.hasChild(CoordinateSequence.class)) {
CoordinateSequence seq = (CoordinateSequence) node.getChildValue(CoordinateSequence.class);
return new ReferencedEnvelope(seq.getX(0), seq.getX(1), seq.getY(0), seq.getY(1), crs);
}
return null;
}
public Element encode(Object object, Document document, Element value)
throws Exception {
Envelope envelope = (Envelope) object;
if (envelope.isNull()) {
value.appendChild(document.createElementNS(GML.NAMESPACE, GML.Null.getLocalPart()));
}
return null;
}
public Object getProperty(Object object, QName name) {
Envelope envelope = (Envelope) object;
if (envelope.isNull()) {
return null;
}
if (name.getLocalPart().equals("lowerCorner")) {
return new DirectPosition2D(envelope.getMinX(), envelope.getMinY());
}
if (name.getLocalPart().equals("upperCorner")) {
return new DirectPosition2D(envelope.getMaxX(), envelope.getMaxY());
}
if (envelope instanceof ReferencedEnvelope) {
String localName = name.getLocalPart();
if (localName.equals("srsName")) {
return GML3EncodingUtils.toURI(((ReferencedEnvelope) envelope)
.getCoordinateReferenceSystem());
} else if (localName.equals("srsDimension")) {
CoordinateReferenceSystem crs = ((ReferencedEnvelope) envelope)
.getCoordinateReferenceSystem();
if (crs != null) {
return crs.getCoordinateSystem().getDimension();
}
}
}
return null;
}
}