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Add H2 read/write support for file formats such as ESRI shape file
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/**
* H2GIS is a library that brings spatial support to the H2 Database Engine
* .
*
* H2GIS is distributed under GPL 3 license. It is produced by CNRS
* .
*
* H2GIS is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* H2GIS. If not, see .
*
* For more information, please consult:
* or contact directly: info_at_h2gis.org
*/
package org.h2gis.drivers.geojson;
import org.h2gis.h2spatialapi.AbstractFunction;
import org.h2gis.h2spatialapi.EmptyProgressVisitor;
import org.h2gis.h2spatialapi.ScalarFunction;
import org.h2gis.utilities.URIUtility;
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, URIUtility.fileFromString(fileName), new EmptyProgressVisitor());
}
}
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