/*
* 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.ext;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.xml.namespace.QName;
import org.geotools.gml3.GML;
import org.geotools.gml3.bindings.SurfaceTypeBinding;
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.MultiPolygon;
import com.vividsolutions.jts.geom.Polygon;
/**
*
*
* @source $URL$
*/
public class MultiSurfaceTypeBinding extends org.geotools.gml3.bindings.MultiSurfaceTypeBinding
implements Comparable {
public MultiSurfaceTypeBinding(GeometryFactory gf) {
super(gf);
}
public Object parse(ElementInstance instance, Node node, Object value)
throws Exception {
// we keep the same sequence order as in the xsd:
//<element maxOccurs="unbounded" minOccurs="0" ref="gml:surfaceMember"/>
List<MultiPolygon> surfaceMemberList = node.getChildValues("surfaceMember");
//<element minOccurs="0" ref="gml:surfaceMembers"/>
MultiPolygon surfaceMembers = (MultiPolygon)node.getChildValue("surfaceMembers");
List<Polygon> polygons = new ArrayList<Polygon>();
if (surfaceMemberList != null) {
for (MultiPolygon surface : surfaceMemberList) {
for (int i = 0; i < surface.getNumGeometries(); i++) {
Polygon polygon = (Polygon)surface.getGeometryN(i);
polygons.add(polygon);
}
}
}
if (surfaceMembers != null) {
for (int i = 0; i < surfaceMembers.getNumGeometries(); i++) {
Polygon polygon = (Polygon)surfaceMembers.getGeometryN(i);
polygons.add(polygon);
}
}
return gf.createMultiPolygon((Polygon[])polygons.toArray(new Polygon[polygons.size()]));
}
public Object getProperty(Object object, QName name)
throws Exception {
if ("surfaceMembers".equals(name.getLocalPart())) {
return super.getProperty(object, GML.surfaceMember);
}
return super.getProperty(object, name);
}
/**
* Implement comparable because MultiPolygonBinding, MultiSurfaceBinding and Surface
* are bound to the same class, MultiPolygon. Since MultiPolygon is deprecated
* by gml3 and MultiSurface only has children that are also mapped to MultiPolygons,
* Surface always wins.
*/
public int compareTo(Object o) {
if (o instanceof SurfaceTypeBinding) {
return 1;
} else {
return 0;
}
}
}