org.h2gis.functions.io.geojson.GeoJsonWrite Maven / Gradle / Ivy
/**
* H2GIS is a library that brings spatial support to the H2 Database Engine
* . H2GIS is developed by CNRS
* .
*
* 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 .
*
*
* For more information, please consult:
* or contact directly: info_at_h2gis.org
*/
package org.h2gis.functions.io.geojson;
import org.h2gis.api.AbstractFunction;
import org.h2gis.api.EmptyProgressVisitor;
import org.h2gis.api.ScalarFunction;
import org.h2gis.utilities.URIUtilities;
import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;
/**
* SQL function to write a spatial table to a GeoJSON file.
*
* @author Erwan Bocher
*/
public class GeoJsonWrite extends AbstractFunction implements ScalarFunction {
public GeoJsonWrite(){
addProperty(PROP_REMARKS, "Export a spatial table to a GeoJSON 1.0 file.");
}
@Override
public String getJavaStaticMethod() {
return "writeGeoJson";
}
/**
* Write the GeoJSON file.
*
* @param connection
* @param fileName
* @param tableReference
* @throws IOException
* @throws SQLException
*/
public static void writeGeoJson(Connection connection, String fileName, String tableReference) throws IOException, SQLException {
GeoJsonDriverFunction gjdf = new GeoJsonDriverFunction();
gjdf.exportTable(connection, tableReference, URIUtilities.fileFromString(fileName), new EmptyProgressVisitor());
}
}