/*
* Copyright (c) 2012 Data Harmonisation Panel
*
* All rights reserved. This program and the accompanying materials are made
* available under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution. If not, see <http://www.gnu.org/licenses/>.
*
* Contributors:
* HUMBOLDT EU Integrated Project #030962
* Data Harmonisation Panel <http://www.dhpanel.eu>
*/
package eu.esdihumboldt.hale.io.gml.writer.internal.geometry.writers;
import java.text.DecimalFormat;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.MultiPolygon;
import com.vividsolutions.jts.geom.Polygon;
import eu.esdihumboldt.hale.common.schema.model.TypeDefinition;
import eu.esdihumboldt.hale.io.gml.writer.internal.geometry.Descent;
import eu.esdihumboldt.hale.io.gml.writer.internal.geometry.GeometryWriter;
/**
* Writes {@link MultiPolygon}s
*
* @author Simon Templer
* @partner 01 / Fraunhofer Institute for Computer Graphics Research
*/
public class LegacyMultiPolygonWriter extends AbstractGeometryWriter<MultiPolygon> {
private final LegacyPolygonWriter polygonWriter = new LegacyPolygonWriter();
/**
* Default constructor
*/
public LegacyMultiPolygonWriter() {
super(MultiPolygon.class);
// compatible types to serve as entry point
addCompatibleType(new QName(Pattern.GML_NAMESPACE_PLACEHOLDER, "MultiPolygonType")); //$NON-NLS-1$
addCompatibleType(new QName(Pattern.GML_NAMESPACE_PLACEHOLDER, "CompositeSurfaceType")); //$NON-NLS-1$
// patterns for matching inside compatible types
addBasePattern("**/polygonMember"); //$NON-NLS-1$
addBasePattern("**/surfaceMember"); //$NON-NLS-1$
// verification patterns (from LegacyPolygonWriter)
addVerificationPattern("*/Polygon/outerBoundaryIs/LinearRing"); // both exterior //$NON-NLS-1$
addVerificationPattern("*/Polygon/innerBoundaryIs/LinearRing"); // and interior elements must be present for contained polygons //$NON-NLS-1$
}
/**
* @see GeometryWriter#write(XMLStreamWriter, Geometry, TypeDefinition,
* QName, String, DecimalFormat)
*/
@Override
public void write(XMLStreamWriter writer, MultiPolygon geometry, TypeDefinition elementType,
QName elementName, String gmlNs, DecimalFormat decimalFormatter) throws XMLStreamException {
for (int i = 0; i < geometry.getNumGeometries(); i++) {
if (i > 0) {
writer.writeStartElement(elementName.getNamespaceURI(), elementName.getLocalPart());
}
Descent descent = descend(writer, Pattern.parse("*/Polygon"), //$NON-NLS-1$
elementType, elementName, gmlNs, false);
Polygon poly = (Polygon) geometry.getGeometryN(i);
polygonWriter.write(writer, poly, descent.getPath().getLastType(), descent.getPath()
.getLastElement().getName(), gmlNs, decimalFormatter);
descent.close();
if (i < geometry.getNumGeometries() - 1) {
writer.writeEndElement();
}
}
}
}