/*
* 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 com.vividsolutions.jts.geom.GeometryFactory;
import com.vividsolutions.jts.geom.LineString;
import com.vividsolutions.jts.geom.LinearRing;
import com.vividsolutions.jts.geom.Polygon;
/**
* Binding object for the type http://www.opengis.net/gml:PolygonType.
*
* <p>
* <pre>
* <code>
* <complexType name="PolygonType">
* <annotation>
* <documentation> A Polygon is defined by an outer
* boundary and zero or more inner boundaries which
* are in turn defined by LinearRings. </documentation>
* </annotation>
* <complexContent>
* <extension base="gml:AbstractGeometryType">
* <sequence>
* <element ref="gml:outerBoundaryIs"/>
* <element ref="gml:innerBoundaryIs" minOccurs="0" maxOccurs="unbounded"/>
* </sequence>
* </extension>
* </complexContent>
* </complexType>
*
* </code>
* </pre>
* </p>
*
* @generated
*
* @source $URL$
*/
public class GMLPolygonTypeBinding extends AbstractComplexBinding {
GeometryFactory gFactory;
public GMLPolygonTypeBinding(GeometryFactory gFactory) {
this.gFactory = gFactory;
}
/**
* @generated
*/
public QName getTarget() {
return GML.PolygonType;
}
public int getExecutionMode() {
return BEFORE;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated modifiable
*/
public Class getType() {
return Polygon.class;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
*
* @generated modifiable
*/
public Object parse(ElementInstance instance, Node node, Object value)
throws Exception {
LinearRing shell = (LinearRing) node.getChild("outerBoundaryIs").getValue();
List innerRings = node.getChildren("innerBoundaryIs");
LinearRing[] holes = new LinearRing[innerRings.size()];
for (int i = 0; i < innerRings.size(); i++) {
Node inode = (Node) innerRings.get(i);
holes[i] = (LinearRing) inode.getValue();
}
return gFactory.createPolygon(shell, holes);
}
public Object getProperty(Object object, QName name)
throws Exception {
Polygon polygon = (Polygon) object;
if (GML.outerBoundaryIs.equals(name)) {
return polygon.getExteriorRing();
}
if (GML.innerBoundaryIs.equals(name)) {
int n = polygon.getNumInteriorRing();
if (n > 0) {
LineString[] interior = new LineString[n];
for (int i = 0; i < n; i++) {
interior[i] = polygon.getInteriorRingN(i);
}
return interior;
}
}
return null;
}
}