/**
* H2GIS is a library that brings spatial support to the H2 Database Engine
* <http://www.h2database.com>. H2GIS is developed by CNRS
* <http://www.cnrs.fr/>.
*
* This code is part of the H2GIS project. H2GIS 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 3.0 of the License.
*
* H2GIS 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 <http://www.gnu.org/licenses/>.
*
*
* For more information, please consult: <http://www.h2gis.org/>
* or contact directly: info_at_h2gis.org
*/
package org.h2gis.functions.io.geojson;
import org.h2gis.api.DriverFunction;
import org.h2gis.api.ProgressVisitor;
import org.h2gis.utilities.JDBCUtilities;
import java.io.File;
import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;
/**
* GeoJSON driver to import a GeoJSON file and export a spatial table in a
* GeoJSON 1.0 file.
*
* @author Erwan Bocher
*/
public class GeoJsonDriverFunction implements DriverFunction {
@Override
public IMPORT_DRIVER_TYPE getImportDriverType() {
return IMPORT_DRIVER_TYPE.COPY;
}
@Override
public String[] getImportFormats() {
return new String[]{"geojson"};
}
@Override
public String[] getExportFormats() {
return new String[]{"geojson"};
}
@Override
public String getFormatDescription(String format) {
if (format.equalsIgnoreCase("geojson")) {
return "GeoJSON 1.0";
} else {
return "";
}
}
@Override
public boolean isSpatialFormat(String extension) {
return extension.equals("geojson");
}
@Override
public void exportTable(Connection connection, String tableReference, File fileName, ProgressVisitor progress) throws SQLException, IOException {
int recordCount = JDBCUtilities.getRowCount(connection, tableReference);
ProgressVisitor copyProgress = progress.subProcess(recordCount);
GeoJsonWriteDriver geoJsonDriver = new GeoJsonWriteDriver(connection, tableReference, fileName);
geoJsonDriver.write(copyProgress);
}
@Override
public void importFile(Connection connection, String tableReference, File fileName, ProgressVisitor progress) throws SQLException, IOException {
GeoJsonReaderDriver geoJsonReaderDriver = new GeoJsonReaderDriver(connection, fileName);
geoJsonReaderDriver.read(progress, tableReference);
}
}